| 16-05-2010 | ||||
| Ukraine / Uruguay / U S A | ||||
| UKRAINE | ||||
| AMETIST - ZELENODOLSK | ||||
| BOUW- | EIGENDOM | |||
| TYPE | NAAM | EIGENAAR | JAAR | VAN/TOT |
| MSLB | AMETIST | BLACK SEA SHIPPING CO LTD | 1977 | |
| MTSU | BERKUT | BLACK SEA SHIPPING CO LTD | 1983 | 1992-2000 |
| MSLB | BIZON | BLACK SEA SHIPPING CO LTD | 1977 | 199 -1997 |
| MSLB | GRANIT | PORT AUTHORITY OF ODESSA | 1982 | |
| MSLB | GRONZY | S.D.P. | 1967 | 1967- |
| MTSU | NEFTEGAZ – 68 | CHERNOMOR NEFTEGAZ TECH. | 1991 | 1992- |
| MSLB | ODESSA | S.D.P. | 1956 | 1956- |
| MDB | ZELENODOLSK | U.D.P. | 1981 | 1991- |
| URUGUAY | ||||
| ALFREDO LABADIE - TIGRE | ||||
| BOUW- | EIGENDOM | |||
| TYPE | NAAM | EIGENAAR | JAAR | VAN/TOT |
| SSLB | ALFREDO LABADIE | GOVERNMENT OF URUGUAY | 1911 | 1935- |
| SSLB | ANTONIO D. LUSSISCH | GOVERNMENT OF URUGUAY | 1931 | 1931- |
| SSLB | ARTIGAS | GOVERNMENT OF URUGUAY | 1931 | 1931-1995 |
| MSLB | ENRIQUETA | REY LA S/A | 1910 | 1910- |
| MSLB | GAUCHO | GOVERNMENT OF URUGUAY | 1985 | 1985- |
| MSLB | HC-2 | GOVERNMENT OF URUGUAY | 1973 | 1973- |
| SSLB | HERCULES | GOVERNMENT OF URUGUAY | 1911 | 1911-1935 |
| MSLB | ING. PABLO M. FERRES | GOVERNMENT OF URUGUAY | 1961 | 1961- |
| MSLB | JUPITER | MONTE TUG | 1965 | 1965-1995 |
| MSLB | LAVALLEJA | GOVERNMENT OF URUGUAY | 1962 | 1962- |
| MSLB | MARTE | MONTERTUG | 1965 | 1995- |
| MSLB | MERCURIO | MONTE TUG | 1965 | 1995- |
| MSLB | TIGRE | REY LA S/A | 1912 | 1912- |
| U.S.A | ||||
| A.A. McKINNEY - | ||||
| BOUW- | EIGENDOM | |||
| TYPE | NAAM | EIGENAAR | JAAR | VAN/TOT |
| MSLB | A. A. McKINNEY | McKINNEY TOWING INC. | 1963 | 1963-1986 |
| MSLB | A.J. McALLISTER | McALLISTER BROS INC. | 1939 | 1947-1947 |
| SSLB | A.T. LOWMASTER | CHESAPEAKE & OHIO RAILW. CO. | 1948 | |
| MDB | A.W. BAYER | MOUNT VERNON BARGE | ||
| SERVICE INC. | 1979 | 1979- | ||
| SSLB | A.W. WHITEMAN | GEORGE W. WHITEMAN | 1886 | 1915-1918 |
| MDB | AARON CHARLES | |||
| McKINNEY | McKINNEY TOWING INC. | 1981 | 2002-2002 | |
| MSLB | ABDON MARTIN | ANDREW MARTIN MARINE CO. | 1976 | 1976-1985 |
| MSLB | ABCENSION | |||
| MSLB | ABNAKI | U.S. NAVY | 1943 | 1943-1978 |
| MSLB | ABRAM S. HEWITT | NEW YORK CITY | 1903 | 1903- |
| MSU | ACADIAN | |||
| COMMANDER | ACADIAN MARINE SERVICES INC. | 1981 | 1981- | |
| MSU | ACADIAN FREEDOM | ACADIAN SUPPLY SHIPS INC. | 1973 | |
| MSU | ACADIAN GAIL | ACADIAN OFFSHORE SERVICES INC. | 1982 | 1983-1991 |
| MSU | ACADIAN MARINER | ACADIAN MARINE SERVICES INC. | 1978 | 1978- |
| MSU | ACADIAN NAVIGATOR | ACADIAN SUPPLY SHIPS INC. | 1980 | 1980-1987 |
| MTSU | ACADIAN SEARCHER | ACADIAN SUPPLY SHIPS INC. | 1981 | 1981-1982 |
| MSU | ACADIAN VALOR | ACADIAN MARINE SERVICES INC. | 1974 | 1974-1977 |
| MSU | ACADIAN VICTORY | ACADIAN MARINE SERVICES INC. | 1973 | 1973-1976 |
| SSLB | ACCOHANOC | |||
| (YTM 545) | U.S. NAVY | 1945 | 1945-1987 | |
| MSLB | ACCOMAC | CLAYMONT CORP. | 1943 | 1972-1973 |
| MSLB | ACCOMAC | U.S. NAVY | 1971 | 1971- |
| MDB | ACCU II | ACCUMARINE TRANSPORTATION LP | 1961 | |
| MDB | ACCU VII | ACCUMARINE TRANSPORTATION LP | 1969 | |
| SSLB | ACOMA | U.S. NAVY | 1946 | 1946-1985 |
| SSLB | ACTIVE | BOSTON TOW BOAT CO. | ||
| MSLB | ACTIVE | PUGET SOUND TUG & BARGE CO. | 1944 | 19 -1974 |
| MSLB | ACTIVE | AMTUGCO INC. | 1944 | 19 -1974 |
| SSLB | USS ACUSHNET(WAGO) | U.S. COAST GUARD | 1908 | 1908-1936 |
| SSLB | ACUSHNET (WAT 167) | U.S. COAST GUARD | 1943 | 1946-1968 |
| MSLB | ADAM J. | |||
| SRSLB | ADELAIDE | HELEN COULSON | 1853 | 1853- |
| MSLB | ADELE CANDIES | OTTO CANDIES INC. | 1974 | 1974-1999 |
| MSLB | ADELINE FOSS (2) | FOSS LAUNCH & TUG CO. | 1944 | 1977-1977 |
| SSLB | ADLER | W.G. COYLE TOWING CO. | 1921 | 1921-1942 |
| MSLB | ADMIRAL | GREAT LAKES TOWING CO. | 1979 | 19 -1985 |
| MSLB | ADMIRAL | VESSEL MANAGEMENT SERVICE INC. | 1998 | 1998- |
| MSLB | ADMIRAL | GULFPORT TOWING CO. INC. | ||
| SSLB | ADMIRAL DEWEY | 1898 | 1898- | |
| MSLB | ADMIRAL LEE | ADMIRAL LEE TOWING INC. | 1972 | 1972- |
| MTSU | ADRI TIDE | TIDEWATER INC. | 1972 | 19 -1984 |
| SSLB | ADVANCE | 1911 | 1911-1918 | |
| MSLB | AGAWAM (YTB 809) | U.S. NAVY | 1971 | 1971-2001 |
| SSLB | AGNES A. MORAN (2) | MORAN TOWING CORP. | 1919 | 1920-1929 |
| MSLB | AGNES A. MORAN (4) | MORAN TOWING CORP. | 1941 | 1941-1972 |
| MSLB | AGNES CANDIES | OTTO CANDIES INC. | 1983 | 1983-1988 |
| SSLB | AGNES FOSS | FOSS LAUNCH & TUG CO. | 1904 | 19 -1970 |
| MSLB | AGNES FOSS (2) | FOSS LAUNCH & TUG CO. | 1971 | 1975- |
| MSLB | AHI | ISLEWAYS DIVISION H.P. CO. LTD. | 1947 | 1948-1971 |
| MSLB | AJAX | INTRACOASTAL TOWING & TRANS. | 1943 | 19 -1960 |
| MSLB | AKRON | ERIE RAILROAD TUGBOAT CO. | 1953 | 1953-1975 |
| MSLB | ALABAMA | GREAT LAKES TOWING CO. | 1916 | 1916- |
| MSLB | ALAMO II | ALAMO TOWING SERVICE INC. | 1961 | 1961- |
| MSLB | ALASKA | |||
| CONSTRUCTOR | FOSS LAUNCH & TUG CO. | 1944 | 1946-1968 | |
| MTSU | ALASKA HUSKY | FOSS LAUNCH & TUG CO. | 1966 | 1976- |
| MSLB | ALASKA MONARCH | PUGET SOUND STEV. CO. INC. | 1943 | 1959- |
| MSLB | ALBANY | ERIE CANAL BOAT CO. | 1958 | 1982- |
| SSLB | ALBERT F. DEWEY | ALBERT F. DEWEY | 1895 | 1895- |
| MSLB | ALBERT SCHAFER | |||
| MTSU | ALBERTA TIDE | TIDEWATER INC. | 1976 | 1976- |
| SSLB | ALERT | SCOTT CHOTIN INC. | 1913 | 1913- |
| MSLB | ALEUTIAN SALVOR | |||
| SRSLB | ALEXANDER | 1903 | ||
| SSLB | ALEXANDER H. | |||
| ERICKSON | MORAN TOWING CORP. | 1917 | 1950- | |
| MSLB | ALEXANDRA | WEEKS MARINE INC. | 1976 | 1986- |
| MSLB | ALEXANDRA | |||
| McALLISTER | McALLISTER BROS. INC. | 1948 | 1974- | |
| MSLB | ALGONQUIN | GOWANUS MARINE CORP. | 1980 | 1990-2001 |
| SSLB | ALICE | 1892 | ||
| SSLB | ALICE | 1897 | 1897- | |
| MSLB | ALICE L. MORAN | MORAN INTERN. TOWING CORP. | 1966 | 1966-1969 |
| SSLB | ALICE M. MORAN | MORAN TOWING CORP. | 1919 | 1925-1953 |
| SSLB | ALICE M. MORAN (2) | MORAN TOWING CORP. | 1946 | 1954-1965 |
| MSLB | ALICE MORAN | MORAN TOWING CORP. | 1976 | 1976- |
| SSLB | ALICE WINSLOW | BATH IRON WORKS | 1891 | |
| MSLB | ALINE MARTIN | ANDREW MARTIN MARINE CO. | 1975 | 1975-1978 |
| MSLB | ALISON C. | MIDLAND ENTERPRISES INC. | 1968 | 1968-2000 |
| MSLB | ALL AMERICAN | THE TEXAS COMPANY | 1935 | 1935-196 |
| MTSU | ALL TIDE | TIDEWATER VENICE INC. | 1975 | 1975-19 |
| MSU | ALLEN | TIDEWATER MARINE SERVICE INC. | 1965 | 1965-1980 |
| SSLB | ALLENTOWN | JERSEY CENTRAL LINES | ||
| SSLB | ALLIANCE | |||
| MDB | ALLIANCE DUKE | ALLIANCE MARINE SERVICES | 1941 | 1981-1986 |
| MDB | ALOIS LUHR | LUHR BROTHERS INC. | 1985 | 1985- |
| MSLB | ALTON C. | |||
| GAMBARELLA | OCEAN TOWING SERVICE INC. | 1982 | 1987-2001 | |
| SSLB | ALTOONA | PENNSYLVANIA RAILROAD CO. | 1906 | 1906- |
| MTSU | AMBASSADOR | |||
| SERVICE | ZAPATA MARINE SERVICE INC. | 1975 | 1975- | |
| MSLB | AMBER MAE | MORRISH WALLACE CONSTR. INC. | 1922 | 19 |
| SSLB | AMBOY | PENNSYLVANIA RAILROAD CO. INC. | ||
| MSU | AMELIA CANDIES | OTTO CANDIES INC. | 1974 | 1974-1976 |
| MSLB | AMERICA | MARINE EQUIPMENT LEASING CO. | 1982 | 1988-1989 |
| MSLB | AMERICA | WILLAMETTE TUG & BARGE CO. INC. | 1982 | 1989- |
| SSLB | AMERICAN | AMERICAN DREDGING CO. | ||
| MSU | AMERICAN DELTA | AMERICAN DELTA CORP. | 1968 | 1968-1978 |
| MSLB | AMERICAN MOON | JACKSON MARINE CORP. | 1973 | 1973-1988 |
| MSU | AMERICAN TIDE | TIDEWATER INC. | 1965 | 1980-1982 |
| MSLB | AMERICAN VETERAN | ALASKA MARINE CHARTERS | 1944 | |
| AMMARADOR VI | ||||
| MSLB | AMY MORAN | MORAN TOWING CORP. | 1973 | 1973-1976 |
| MSLB | ANACAPA | U.S. MARITIME COMMISSION | 1943 | 1943- |
| MSLB | ANCHOR III | INTERCOAST TOW. & TRANS. CORP. | 1967 | 1967-1988 |
| MSU | ANDREA MARTIN | ANDREW MARTIN SEA SERVICES | 1974 | 1974-1989 |
| MSLB | ANDREW FOSS | FOSS LAUNCH & TUG CO. | 1941 | 19 |
| MSLB | ANDREW FOSS | FOSS LAUNCH & TUG CO. | 1982 | 1982- |
| MSLB | ANDREW MARTIN | MARTIN MARINE TRANS. CORP. | 1976 | 1976-1990 |
| MSLB | ANGELS GATE | CITY OF LOS ANGELOS | 1944 | 19 - 199 |
| SSLB | ANGUS McDONALD | |||
| SSLB | ANN MARIE TRACY | TRACY TOWING LINE INC. | 1948 | |
| MSLB | ANN MORAN | MORAN TOWING CORP. | 1977 | 1977- |
| MSLB | ANN W. | BELCO PETROLEUM CORP. | 1944 | 1977- |
| SSLB | ANNA FOSS (3) | FOSS LAUNCH & TUG CO. | 1970 | 1972 |
| MDB | ANNABEL | CROUNSE CORP. | 1962 | 1964-1985 |
| MSLB | ANNE | N.J. TUCKER TOWING CO. | 1942 | 1942- |
| MSLB | ANNE CARLANDER | PUGET SOUND FREIGHT LINES INC. | 1972 | 1972- |
| MSLB | ANNE MORAN | MORAN TOWING CORP. | 1938 | 1947-1976 |
| SSLB | ANNE W. | PIONEER SAND & GRAVEL CO. | 1913 | 1913-1967 |
| MSLB | ANNIE-O | |||
| SSLB | ANT | GEORGE KNEASS | 1925 | 1925- |
| MSLB | ANTIOCH | PUGET SOUND TUG & BARGE CO. | 1944 | |
| MSLB | APACHE | CROCKER NATIONAL | ||
| MSLB | APACHE | PACIFIC INLAND NAV. CO. INC. | 1968 | 1968- |
| MSLB | APACHE (ATF 67) | U.S. NAVY | 1942 | 1942-1974 |
| MSLB | APEX | INTERSTATE SERVICES | 1960 | 1997-1998 |
| MSLB | APPOLLO | CROWLEY LAUNCH & TUG BOAT CO. | 1967 | 1967- |
| MDB | APRIL T. BEKER | BEKER SHIPPING CO. | 1982 | 1982-1987 |
| MTSU | AQUAMARINE 501 | AQUAMARINE 501 | 1974 | 1974-1986 |
| MTSU | ARABIAN SEAHORSE | SEAHORSE INC. | 1972 | 1972-1988 |
| SSLB | ARAGO | |||
| MSLB | ARAPAHO | PUGET SOUND TUG & BARGE CO. | 1945 | 1977-1980 |
| SSLB | ARCTIC | |||
| MSLB | ARCTIC MOON | JACKSON MARINE CORP. | 1971 | 1971- |
| MBV | ARCTIC SALVOR | H. SIGHTSEER INC. | 1970 | 1980-2008 |
| MTSU | ARCTIC SEAHORSE | SEAHORSE INC. | 1973 | 1973-1991 |
| MSU | ARCTIC SEAL | SEALCRAFT OPERATORS INC. | 1965 | 1965- |
| MDB | ARGONAUT | UNION MECHLING CORP. | 1974 | 1974-1980 |
| SSLB | ARGUS | |||
| MDB | ARGUS | STEWART & STEVENSON | 1968 | 1968-1973 |
| MSU | ARIELLE | OFFSHORE LOGISTIC INT. | 1967 | 1983-1994 |
| MSLB | ARIKARA (ATF 98) | U.S. NAVY | 1943 | 1943-1971 |
| SSLB | ARIOSA | McALLISTER BROS. INC. | 1907 | 19 -1958 |
| SSLB | ARKANSAS | GREAT LAKES TOWING CO. | 1909 | |
| MSLB | ARLINGTON I | |||
| MSLB | ARLINGTON II | |||
| MSLB | ARROW No. 3 | ARROW TUG & BARGE CO. | 1999-1925 | |
| SSLB | ARTHUR FOSS | FOSS LAUNCH & TUG CO. | 1933 | 1933- |
| MSLB | ARTHUR FOSS (2) | FOSS LAUNCH & TUG CO. | 1944 | 1962-1985 |
| MTSU | ASAY D. GUIDRY | AMERICAN OFFSHORE FLEET INC. | 1975 | 1975-1981 |
| MSU | ASIAN MOON | JACKSON MARINE CORP. | 1975 | 1975- |
| MSLB | ATA 184 | U.S. NAVY | 1944 | 1944-1944 |
| MSLB | ATA 641 | U.S. NAVY | ||
| MSLB | ATAKAPA (ATF 149) | U.S. NAVY | 1944 | 1944-1974 |
| MSLB | ATLANTIC 5 | ATLANTIC REFINING CO. | 1952 | 1952- |
| MSLB | ATLANTIC 7 | ATLANTIC REFINING CO. | 1956 | 1956- |
| MSLB | ATLANTIC RANGER | CARIBBEAN TOWING INC. | 1944 | 1962-1985 |
| MTSU | ATLANTIC SALVOR | DONJON MARINE CO. INC. | 1977 | 1991-1998 |
| MSLB | ATLAS | |||
| SSLB | ATLAS | INTRACOASTAL T. & T. CO. INC | 1897 | 1927-1949 |
| MSLB | ATLAS | INTRACOASTAL T. & T. CO. INC | 1951 | 19 -1984 |
| MSU | ATLAS II | ATLAS OFFSHORE BOAT SERV. INC. | 1976 | 1976-1991 |
| MSLB | ATR 7 | U.S. NAVY | 1944 | 1944-1948 |
| MSLB | USS ATR-87 | U.S. NAVY | 1944 | 1944- |
| MSLB | USS ATR 89 | U.S. NAVY | 1944 | 1944-1947 |
| SSLB | AUBURN | LEHIGH VALLEY RAILROAD | 1912 | 1912- |
| SSLB | AUDRY | DELTA V. SMYTHS | 1909 | 1909-1961 |
| MDB | AUSTEN S. CARGILL | CARGO CARRIERS | 1960 | 1960-1989 |
| MSLB | AUSTILL PHARR | MOBILE TOW & WRECKING CO. | 1950 | 19 -1976 |
| SSLB | AUTHENTIC | T. WARF TOWBOAT CO. | ||
| MSU | AUTUMN TIDE | TIDEWATER INC. | 1971 | |
| MSU | AZTEC MOON | JACKSON MARINE CORP. | 1980 | 1980- |
| SSLB | B.M. THOMAS | WARNER COMPANY | 1926 | 1926- |
| MSLB | B.T. FREDERICK | BULK TRANSPORTATION CO. | 1972 | 1985-1988 |
| MDB | BACCHUS | MONARCH MARINE INC. | 1962 | 1991-1992 |
| SSLB | BAER | |||
| SSLB | BAHADA | PUGET SOUND TUG & BARGE | 1903 | 1903- |
| SSLB | BAHAL | |||
| SSLB | BALDROCK (USSB 1170) | U.S. SHIPPING BOARD | 1919 | 1919-1923 |
| SSLB | BALEEN | BOSTON TOWBOAT CO. | 1923 | |
| SSLB | BALTIMORE | MUSEUM OF INDUSTRY | 1907 | |
| MSLB | BANNOCK (ATF 81) | U.S. NAVY | 1943 | 1943-1963 |
| MSLB | BANTRY BAY | TUG KILLARNEY INC. | 1949 | 1989-1992 |
| MSLB | BARBARA ANDRIE | CANONIE TRANSPORTATION CO. | 1940 | 1983-1990 |
| SSLB | BARBARA FOSS (1) | FOSS LAUNCH & TUG CO. | 1925 | 1925-1942 |
| MSLB | BARBARA FOSS (2) | FOSS LAUNCH & TUG CO. | 1944 | 1946-1973 |
| MSLB | BARBARA FOSS (3) | FOSS LAUNCH & TUG CO. | 1976 | 1976- |
| MSLB | BARBARA GEORGE | BAY-HOUSTON TOWING CO. | 1957 | 1957-2003 |
| MSLB | BARBARA H. NEUHAUS | BAY-HOUSTON MAR. INDUSTRIES | 1979 | 1979- |
| SSLB | BARBARA HENJES | 1924 | 1924-1942 | |
| MSLB | BARBARA MORAN (1) | MORAN TOWING CORP. | 1949 | 1949-1969 |
| MSLB | BARF | FREMONT TUGBOAT COMPANY | ||
| SSLB | BARKHAMSTEAD | |||
| (USSB1313) | U.S. SHIPPING BOARD | 1919 | 1919-1923 | |
| SSLB | BARLOW | HAROLD SMITH FLEET | 1919 | 1919-1925 |
| SSLB | BARNEY TURECAMO | M. TURECAMO | 1930 | 1930-1956 |
| MSLB | BARNEY TURECAMO | VINCENT C. TURECAMO INC. | 1956 | 1956-1993 |
| S/MSLB | BARRYTON | U.S. SHIPPING BOARD | 1919 | 1919- |
| MSLB | BART J. TURECAMO | BART J. TURECAMO INC. | 1968 | 1968-1990 |
| MSLB | BARTOW | ALLIED CHEMICAL & DYE | 1943 | 1947-1957 |
| SSLB | BARWICK | MORRIS & COMMINGS DREDGING CO | 1919 | |
| SSLB | BASCOBAL | STANDARD TANK CLEANING CO. | 1919 | 1954-1958 |
| SSLB | BASCOBAL | TENNESSEE COAL, IRON & R.R. CO. | 1919 | 1946-1949 |
| S/MSLB | BATH | DELAWARE, LACK. & WESTERN R.R. | 1908 | 1908 |
| MSLB | BATON VOQUE | |||
| MSLB | BATTLER | TIDEWATER INTERNATIONAL INC. | 1976 | 1994-1996 |
| SSLB | BAUCAMP | |||
| MTSU | BAY SERVICE | ZAPATA MARINE SERVICE LTD S.A. | 1982 | 1982- |
| MSU | BAYOU TIDE | TIDEWATER INC. | 1973 | 1973- |
| SSLB | BAYOU BELLE | |||
| MSLB | BEA THERIOT | NOLTY J. THERIOT INC. | 1967 | 1967-1981 |
| MSLB | BEAR | |||
| MSLB | BEAR | ARMY CORPS OF ENGINEERS | 1948 | 1948- |
| SSLB | BEATRICE BUSH | BUSH TERMINAL RAILROAD | 1905 | 1905-1960 |
| MSLB | BEAU BISSO | BISSO MARINE CO. INC. | 1955 | 1955- |
| MSU | BEAUREGARD | TIDEWATER GRAND ISLE | 1964 | 1964- |
| MSLB | BEAVER | |||
| MDB | BECKY SUE | TAYLOR TOWING CO. INC. | 1977 | 1977-1979 |
| MSLB | BEE | WASHINGTON TUG & BARGE CO. | ||
| MSLB | BELCHER MIAMI | BELCHER TOWING CO. | 1981 | 1981-1991 |
| SSLB | BELLE | MORAN TOWING CORP. | 1837 | 1892-1893 |
| SSLB | BELLINGHAM | BELLINGHAM BAY TRANS. CO. | 1882 | 1903-1917 |
| SSLB | BELVIDERE | PENNSYLVANIA RAILROAD CO. INC. | ||
| MSLB | BEN CANDIES | OTTO CANDIES INC. | 1966 | 1966-1978 |
| MDB | BEN H. SLOANE | MATAGORDA SHELL COMPANY | 1959 | 1959-1968 |
| SSLB | BENJ. B. BRADY | DALZELL TOWING CO. | 1920 | |
| MSLB | BERN | READING CO. | 1907 | 1907-1956 |
| SSLB | BERNARDSVILLE | DELAWARE, LACK. & WESTERN R.R. | 1906 | 1906- |
| MSU | BERING SEAL | SEALCRAFT OPERATORS INC. | 1976 | 1976-1990 |
| MSLB | BERTHOLF (WMSL-750) | U.S. COAST GUARD | 2008 | 2008- |
| SSLB | BESSIE C. MESECK | MESECK T. & T. CO. INC. | 1924 | 1924-1941 |
| MSLB | BETHLEHEM | LEHIGH VALLEY RAILROAD INC. | 1953 | 1953- |
| MSLB | BETSY L | KNAPPTON TOWBOAT COMPANY | 1969 | 1969- |
| MSLB | BETTENDORF | U.S. CORPS OF ENGINEERS | 1994 | 1994- |
| SSLB | BETSY ROSS | JOHN L. GOSS & CO. | 1903 | 1903- |
| SSLB | BETSY ROSS | ROSS TOWBOAT COMPANY | 1905 | 1905- |
| MSLB | BETTY | CORNELL STEAMBOAT CO. | 1940 | 1951-1959 |
| MSLB | BETTY CULBREATH | GULFCOAST TRANSIT CORP. | 1968 | 1968- |
| MSLB | BETTY JOYCE | THIBODEAUX MARINE SERVICE INC. | 1972 | 1972-1977 |
| MDB | BETTY MORAN (2) | MORAN INLAND WATERWAYS | 1956 | 1956-1962 |
| MDSLB | BETTY SMITH | CRESENT TOWAGE & SALVAGE CO. | 1962 | 1962-19 |
| MSLB | BETTY WOOD | GULFCOAST TRANSIT CORP. | 1972 | 1972- |
| MSLB | BEULAH CANDIES | OTTO CANDIES INC. | 1972 | 1972-1999 |
| MSU | BEULAH CHOUEST | NORTH AMERICA BOAT RENTALS INC. | 1982 | 1991- |
| MSU | BIEHL TRADER | BIEHL OFFSHORE INC. | 1977 | 1977-1991 |
| MSU | BIEHL TRAVELER | BIEHL OFFSHORE INC. | 1977 | 1978-1991 |
| MSU | BIENVILLE | TIDEWATER GRAND ISLE | 1962 | 1962-1984 |
| MSLB | BIG AL | FLORIDA TOWING CORP. | 1954 | |
| MSLB | BIG BILL | STEUART TRANSPORT CO. | 1965 | 1965-1991 |
| MDB | BIG MAMA | F & F TOWING CO. | 1966 | 1966-1997 |
| MSU | BIG TIDE | TIDEWATER CAYMAN INC. | 1963 | 1976- |
| MSU | BIG ORANGE 29 | NICOR MARINE INC. | 1980 | 1996- |
| MSU | BIG ORANGE IV | AMERICAN OLYMPIC CORP. | 1975 | 1976- |
| MDB | BILL ANDREWS | CANAL BARGE CO. INC. | 1975 | 1975-2002 |
| MSLB | BILL ENDTER | MORANIA OIL TANKER INC. | 1951 | 1951- |
| SSLB | BILLY | |||
| MSLB | BILLY B. | NOLTY J. THERIOT INC. | 1970 | 1970-1980 |
| SSLB | BILLY MURRAY | NATIONAL TOWING CORP. | 1909 | |
| MSLB | BINGHAMPTON | ERIE RAILROAD TUGBOAT CO. | 1953 | 1953-1973 |
| SSLB | BIRGIT ANN | |||
| SSLB | BISMARCK | ROSS TOWBOAT COMPANY | 1888 | |
| MSU | BISON | PORTAL BOAT CO. | 1973 | 1973-1993 |
| SSLB | BISSO | WILLIAM A. BISSO | 1905 | 1946-1975 |
| MSLB | BLACK DIAMOND | LEHIGH VALLEY RAILROAD INC. | ||
| MSLB | BLACK HAWK | PUGET SOUND TUG & B. | 1968 | 1968- |
| MDB | BLACK JACK | SELF TOWING COMPANY INC. | 1963 | 1963-1980 |
| MSLB | BLACK ROCK | U.S. MARITIME COMMISSION | 1943 | 1943- |
| SSLB | BLUE STAR | ROSS LAUNCH & TUG CO | ||
| MSLB | BLUEBERRY | FREMONT TUGBOAT COMPANY | 1941 | 1994- |
| MSLB | BOBCAT | PENROD DRILLING CO | ||
| MSU | BOLLING TIDE | TIDEWATER INC. | 1980 | 1980- |
| MSLB | BOLSTER (ARS 38) | U.S. NAVY | 1945 | 1945-1994 |
| MSLB | BONANKA | FULLER MARINE TOWING INC. | 1931 | 1961-1965 |
| MSLB | BOSTON | RED STAR T. & T. CO. | 1944 | 1944-1960 |
| MSLB | BOUCHARD GIRLS | BOUCHARD TRANSPORT. CO. INC. | 1989 | 1989- |
| MDB | BRAHMA | TWENTY GRAND MARINE SERVICES | 1961 | 1961-1973 |
| MSLB | BRIAN F. | PENOBSCOT BAY TOWING CO | 1953 | 1980-1989 |
| MSLB | BRANGUS | GREAT LAKES D. & D. CO. INC. | 1965 | 1983- |
| MSLB | BRANSON C. HEBERT | GULF INTERNATIONAL MARINE | ||
| MSLB | BREAKER | TIDEWATER INTERNATIONAL | 1977 | 1994-1995 |
| MSLB | BRENDAN TURECAMO | TURECAMO INC. | 1975 | 1988- |
| MSLB | BRETT CANDIES | OTTO CANDIES INC. | 1981 | 1981- |
| MSLB | BRIAN A. McALLISTER | McALLISTER BROS. INC. | 1961 | 1963- |
| SSLB | BRILJANT | ATLANTIC REFINING CO. | 1903 | 1903- |
| SSLB | BRIMSTONE | |||
| MDB | BRIMSTONE | TEXAS MOLTON SULPHUR TRANS. | 1958 | 1958-1971 |
| MDB | BRIMSTONE | YAZOO RIVER TOWING INC. | 1958 | 1992- |
| SSLB | BRISTOL | STEAMTUG BRISTOL INC. | 1914 | 1914- |
| MSLB | BRONX 1 | BRONX TOWING LINE CO. | 1967 | 19 -1981 |
| MSLB | BRONX 5 | BRONX TOWING LINE CO. | 1956 | 1972-1979 |
| SSLB | BROOKLYN | NEW YORK DOCK RAILWAY | 1910 | 1910- |
| MSLB | BROOKLYN | CITY OF NEW YORK | 1943 | |
| MSLB | BROWARD | HVIDE SHIPPING INC. | 1945 | 1990- |
| MSLB | BROWARD | HVIDE SHIPPING INC. | 1995 | 1995- |
| MDB | BROWN ATLAS | TIDEWATER INC. | 1980 | 1980- |
| MSLB | BRUCE A. McALLISTER | McALLISTER BROS. INC. | 1974 | 1980-1984 |
| SSLB | BRUCE J. BIEMECK | 1978 | 1978- | |
| MTSU | BRUTE TIDE | TIDEWATER INC. | 1982 | 1982- |
| MSLB | BRYNN FOSS | FOSS LAUNCH & TUG CO. | 1952 | 1952- |
| SSLB | BUCHANAN SISTERS | BOUCHARD TRANSPORT. CO. INC. | ||
| MSLB | BUFFALO | PENNSYLVANIA R.R. CORP. INC. | 1955 | 1955- |
| MSLB | BUFFALO | DELAWARE, LACK. & WESTERN R.R. | 1957 | 1957-1971 |
| MDB | BUNKER BEAVER | NATIONAL MARINE SERVICES | 1961 | 1965-1976 |
| MSLB | BUNKER POWER | MARINE FUEL LOGISTICS | 1914 | 1991- |
| MIJSBR | BURTON ISLAND | |||
| (WAGB283) | U.S. COAST GUARD | 1946 | 1966-1978 | |
| MSLB | BUSTER B. | BOUCHARD TRANSPORT. CO. INC. | 1979 | 1979-1981 |
| MSLB | BUSTER BOUCHARD | TUG BUSTER BOUCHARD CORP. | 1979 | 1981- |
| SSLB | BUTAGAMIE | |||
| S/MSLB | BUTTERCUP | U.S. SHIPPING BOARD | 1919 | 1919-1943 |
| MSU | C.E. TIDE II | TIDEWATER INC. | 1974 | 1974- |
| MSLB | C.F. BECKER | GAELIC TUGBOAT COMPANY | 1932 | 1973-1982 |
| MDB | C.F. CAMPBELL | CAMPBELL TOWING CO. | 1975 | 1996- |
| MSLB | C. HADEN MASTERSON | BAY-HOUSTON TOWING CO. INC. | 1944 | 1947-1990 |
| MSLB | C.R. HADEN | R.P. BUSHMAN JR. | 1977 | 1978- |
| MSLB | C.R. HADEN (2) | BAY-HOUSTON TOWING CO. | 1944 | 1961-1961 |
| MSLB | C. STEWART LEE | PERRYVILLE CURTIS BAY | 1939 | 19 -1972 |
| SSLB | C.W. MORSE | NICKERBOCKER TOWING | 1889 | 1889- |
| MDB | C. & R. No. 1 | C & R TOWING & FLEETING INC. | 1973 | 1975-1979 |
| MSLB | C-CADET | EDISON CHOUEST OFFSHORE LLC | 1997 | 1997- |
| SSLB | C. HAYWARD MESECK | MESECK TOWING& TRANSP. CO. INC. | 1946 | 1946-1954 |
| SSLB | CABLE | MERRIT-CHAPMAN & SCOTT CORP. | 1943 | 1947- |
| MSLB | CABO ROJO | THE PORTO RICO LIGHTERAGE CO. | 1965 | 1965-1996 |
| MSLB | CABOT | BOSTON TOWBOAT CO. | 1972 | 1972-1986 |
| MSLB | CALABAR SEAHORSE | SEAHORSE LIBERIA LTD. | 1982 | 1982-1988 |
| SSLB | CALCITE | FOSS LAUNCH & TUG CO. | ||
| MTSU | CALICO JACK | SLATER ENTERPRISES INC. | 1974 | 1974-1980 |
| MSLB | CALIFORNIA | GREAT LAKES TOWING CO. | 1926 | 1926- |
| MSLB | CALIFORNIA EAGLE | SLACKWATER TOWBOAT CO. | 1927 | 1927- |
| MSLB | CALTEX BINTANG | BALBAO TRANSPORT CORP. | 1949 | 1958-1980 |
| MSU | CAMILLE TIDE | TIDEWATER LIBERIA INC. | 1969 | 1975- |
| MSLB | CAMPECHE | NARRANGANSETT OFFSHORE CORP. | 1976 | 1979-1987 |
| SSLB | CANTON | CURTIS BAY TOWING INC. | 1906 | 1906- |
| MSLB | CAPE C. | |||
| MSLB | CAPE CANAVERAL | HVIDE CHARTERING LTD | 1985 | 1990-1996 |
| MSLB | CAPE CHARLES | CHESTERTOWN CURTIS BAY CO. | 1972 | 1972-1988 |
| MSLB | CAPE HATTERAS | ABERDEEN CURTIS BAY CO. | 1967 | 1970-1993 |
| MSLB | CAPE HENLOPEN | CURTIS BAY TOWING INC. OF DEL. | 1973 | 1973-1988 |
| MSLB | CAPE HENRY (2) | WARWICK CURTIS BAY CO. | 1967 | 1976-1992 |
| MSLB | CAPE LOOKOUT | MORAN ATLANTIC TOWING CORP. | 1975 | 1975-1981 |
| MSLB | CAPE MAY | MORAN TOWING CORP. | 1973 | |
| MSLB | CAPE MAY | CURTIS BAY TOWING CO. | 1973 | 1973- |
| MSLB | CAPE ROMAIN | CURTIS BAY TOWING CO. | 1979 | 1979- |
| MSLB | CAPE ROMAIN | MORAN TOWING CORP. | 1979 | |
| MSU | CAPE SABINE | SEA-MAR OPERATORS INC. | 1976 | 1991- |
| MTSU | CAPE SERVICE | ZAPATA MARINE SERVICE INC. | 1982 | 1982-1991 |
| MSU | CAPE TIDE | TIDEWATER INC. | 1969 | 1970- |
| MSLB | CAPT. ANDY | F. & S. BOAT CORP. | 1975 | 1975-1978 |
| SSLB | CAPT. BILLY SLATTEN | BISSO TOWBOAT CO. INC. | 1885 | 1885- |
| MSLB | CAPT. BILLY SLATTEN | BISSO TOWBOAT CO. INC. | 1996 | 1996- |
| SSLB | CAPT. C. MATHIASEN | MATHIASEN TRANSPORTATION NC. | 1919 | |
| MSLB | CAPT. CRAIG | F. & S. BOAT CORP. | 1976 | 1976-1978 |
| MSLB | CAPT. ED | NORFOLK DREDGING CO. | 1967 | 1967- |
| MSLB | CAPT. HARRY | WILMINGTON TRANSP. CO. | 2001 | 2001- |
| MSLB | CAPT. JOHN | F. & S. BOAT CORP. | 1976 | 1976-1978 |
| MSLB | CAPT. KIRK | F. & S. BOAT CORP. | 1972 | 1972-1979 |
| MDB | CAPT. KURT | BENOIT TOWING CO. | 1975 | 1975-1988 |
| MSLB | CAPT. SAM | F. & S. BOAT CORP. | 1975 | 1975-1978 |
| MSLB | CAPT. TOM | GALLUP MARINE SERVICES | ||
| MTSU | CAPT. W.A. BISSOR JR. | BISSO & SONS INC. E.N. | 1965 | 1993- |
| SSLB | CAPTAIN | DALZELL TOWING CORP. | 1943 | 1945- |
| MSLB | CAPTAIN BARNABY | LAKE MICHIGAN CONTRAC. INC. | 1956 | 1988- |
| MSLB | CAPTAIN BILL | PORTLAND TOWB. & SHIPD. INC. | 1951 | 1986- |
| SSLB | CAPTAIN BOB | TIDEWATER BARGE LINES INC. | 1945 | |
| MSLB | CAPTAIN BRINN | PORT EVERGLADES TOWING INC. | 1960 | 1970- |
| MSLB | CAPTAIN CARL | JACKSON MARINE CORP. | 1970 | 1970-1985 |
| MSLB | CAPTAIN D | A-1 TOWING CO. | 1973 | |
| MSLB | CAPTAIN JAC | JACKSON MARINE CORP. | 1967 | 19 -1987 |
| MSLB | CAPTAIN MORGAN | GEORGETOWN TOWING | 1906 | 1994-2004 |
| MSLB | CAPTAIN NELSON | HVIDE SHIPPING INC. | 1959 | 19 -1999 |
| MDB | CAPTAIN REX | HIGHLAND MARINE | 1971 | 1999- |
| MSLB | CAPTAIN WILLIAM | CATALINA ISLAND STEAMSHIP LINE | ||
| SSLB | CARD BOYS | CARD TOWING CO. | ||
| MSU | CARIBBEAN SEAL | IRVING REINGOLD | 1967 | 1967-1985 |
| MSLB | CARIBE | MARINE EXPLORATION CO INC. | 1945 | 1977-1980 |
| MSU | CARIBE TIDE | TIDEWATER INC. | 1966 | |
| MSU | CARIBOU | PENROD DRILLING CO. | 1968 | 1968-1982 |
| SSLB | CARL FOSS | FOSS LAUNCH & TUG CO. | 1912 | |
| MDB | CARL SHELTON | AMERICAN COMM. BARGE LINE | 1972 | 1973-1995 |
| MSLB | CARLY A. TURECAMO | KIMBERLY J. TURECAMO INC. | 1966 | 1988- |
| MSLB | CAROL FENN | GULF INRACOASTAL MARINE INC. | 1980 | 1986-1993 |
| MSLB | CAROL FOSS | FOSS LAUNCH & TUG CO. | 1957 | 1957- |
| MSLB | CAROL MORAN | MORAN TOWING CORP. | 1949 | 1949-1990 |
| MSLB | CAROLE G. INGRAM | INGRAM OCEAN SYSTEMS INC. | 1972 | 1972-1980 |
| MSLB | CAROLINA | |||
| MSLB | CAROLINE | SEA BRIDGE EXPRESS INC. | 1978 | 1986- |
| MSLB | CAROLYN | CURTIS BAY TOWING CO. | 1936 | 1954-1997 |
| MSLB | CAROLYN HOEY | GAELIC TUGBOAT COMPANY | 1951 | 1988- |
| SSLB | CARRIE T. MESECK | MESECK TOWING & TRANSP. CO. INC. | 1906 | |
| SSLB | CARROLL | CARROLL TOWING CO. INC. | 1904 | 1945-1951 |
| SSLB | CARROLLINE | |||
| SSLB | CARROLTON | CARROLL TOWING CO. LTD. | 1904 | 1945-1949 |
| MDB | CASCADES | SHAVER TRANSPORTATION CO. | 1974 | 1981 |
| MSLB | CATANO | THE PORTO RICO LIGHTERAGE CO. | 1965 | 1965-1976 |
| MSLB | CATAWBA (ATF 168) | U.S. NAVY | 1980 | 1980- |
| SSLB | CATHARINE CARROLL | CARROLL TOWING CO. LTD. | 1921 | 1921-1942 |
| SSLB | CATHERINE FOSS | FOSS LAUNCH & TUG CO. | 1899 | 1940-1969 |
| MSLB | CATHERINE FOSS (2) | FOSS LAUNCH & TUG CO. | 1967 | 1969- |
| MSLB | CATHERINE | |||
| McALLISTER | McALLISTER BROS. INC. | 1957 | 1973-1978 | |
| MSLB | CATHERINE MORAN (3) | MORAN TOWING CORP. | 1939 | 1947-1960 |
| MSU | CATHERINE TIDE | TIDEWATER INC. | 1969 | 19 -1984 |
| MSLB | CATHLEEN E. | |||
| MORAN (2) | MORAN TOWING CORP. | 1965 | 1965- | |
| MSLB | CAVALIER | CURTIS BAY TOWING CO. | 1954 | 1954- |
| MSU | CAY W. | OFFSHORE LOGISTICS INTERN. INC. | 1969 | 1977-1991 |
| MSLB | CAYUSE (LT 143) | U.S. ARMY | 1943 | 1944- |
| MSLB | CECILE B. | NOLTY J. THERIOT INC | 1974 | 1974-1984 |
| MSLB | CECILIA BISSO | BISSO TOWBOAT CO. INC. | 1916 | 1972- |
| MSLB | CECILIA B. SLATTEN | BISSO TOWBOAT CO. INC. | 1999 | 1999- |
| MSLB | CECILIA J. BROWN | THOMAS J. BROWN | 1944 | 1967- |
| MSLB | CEDAR POINT | CURTIS BAY TOWING CO. | 1949 | 1967-2002 |
| MTSU | CELTIC SEAHORSE | SEAHORSE INC. | 1974 | 1981- |
| SSLB | CENTRAL | RED STAR TOWING&TRANSP. CO. INC. | ||
| MSU | CENTURION SERVICE | ZAPATA MARINE SERVICE LTD. | 1964 | 1971-1986 |
| MSLB | CHADRAS | |||
| MSLB | CHAHUNTA | SAUSE BROS. INC. | 1935 | 1947-1973 |
| MSLB | CHALLENGE (ATA 201) | U.S. NAVY | 1944 | 1944-1944 |
| MSLB | CHALLENGER | PORT EVERGLADES TOWING INC. | 1960 | 1960-1970 |
| MTSU | CHALLENGER SERVICE | ZAPATA MARINE SERVICE INC. | 1973 | 1979- |
| MSU | CHAMPION | OFFSHORE LOGISTICS SERVICES INC. | 1970 | 1975- |
| MSLB | CHANCELLOR | DRILL | ||
| SSLB | CHANTICLEER (ASR 7) | U.S. NAVY | 1942 | 1942-1974 |
| MTSU | CHAP TIDE | TIDEWATER INC. | 1976 | 1976-1980 |
| MDB | CHAROLAIS | TWENTY GRAND MARINE SERV. INC. | 1953 | 1953- |
| SSLB | CHAPLAIN | NEW YORK SCOW CORP. | 1952 | 1952- |
| MSLB | CHARLES | ALASKA FREIGHT LINES INC. | 1943 | 1955- |
| MSLB | CHARLES D. | |||
| McALLISTER | McALLISTER BROS. INC. | 1948 | 1989-2001 | |
| MDB | CHARLES E. MARTIN | BLESSEY MARINE SERVICES INC. | 2001 | 2001- |
| SSLB | CHARLES H. MARKHAM | OCEAN STEAMSHIP CO. | 1925 | 1925-1947 |
| SSLB | CHARLES P. | |||
| GREENOUGH | MYSTIC STEAMSHIP CO | 1913 | 1913- | |
| SSLB | CHARLES W. | |||
| PARKER Jr. | BOSTON TOWBOAT COMPANY | 1909 | 1909- | |
| MSLB | CHARLES WINSLOW | SHEEPSCOT PILOTS INC. | 1972 | 1972- |
| MTSU | CHARLESTON | GONSOULIN ENTERPRISES | 1978 | 1978-1979 |
| SSLB | CHARLIE LAWRENCE | |||
| SSLB | CHARLIE MENTZ | |||
| SSLB | CHAS D. McALLISTER | McALLISTER BROS. INC. | 1924 | 1953-1977 |
| MSLB | CHARLES E. TROUT | GREAT LAKES DREDGE & DOCK CO. | 1943 | |
| SSLB | CHAS H. HERSEY | |||
| MSLB | CHAUNCEY | C.G. WILLIS INC. | 1943 | 1946-1962 |
| MSLB | CHEETAH | PENROD DRILLING CO. | ||
| MDB | CHEMICAL EXPRESS | SPANIER MARINE CORP. | 1972 | 1972-1973 |
| SSLB | CHERITON | PENNSYLVANIA R.R. CORP. INC. | 1944 | 19 -1972 |
| MSLB | CHEROKEE | O'DONNELL TOWING & TRANSP. | ||
| SSLB | CHESAPEAKE (2) | MORAN TOWING CORP. | 1926 | 1955-1959 |
| MSU | CHESAPEAKE | |||
| SEAHORSE | SEAHORSE INC. | 1978 | 1978- | |
| MSLB | CHESSIE | CHESAPEAKE & OHIO RAILWAY CO. | 1983 | 1983-1986 |
| SSLB | CHEYENNE II | IRA S. BUSHEY & SONS INC. | 1941 | 1941- |
| MDB | CHICAGO CHALLENGE | CANAL & HARBOR TUG SERVICE INC. | 1926 | 1956-1959 |
| SSLB | CHICKAMAUGA | 1915 | ||
| MSLB | CHICKASAW (ATF 83) | U.S. NAVY | 1942 | 1942-1966 |
| MSLB | CHICOPEE | SANCHEZ MARINE SERVICES INC. | 1953 | 19 -1986 |
| MSLB | CHIEF | CROWLEY MARITIME CORP. | 1999 | 1999- |
| MSLB | CHILKAT HUNTER | SOUTH COAST INC. | 1964 | 1993-1998 |
| MTSU | CHINA SEAL | SEALCRAFT OPERATORS INC. | 1977 | 1977-1986 |
| MSLB | CHIPPEWA | WELLINGTON TOWING INC. | 1927 | 1987-1990 |
| MSLB | CHIPPEWA | U.S. COAST GUARD | 1942 | 1947-1961 |
| SSLB | CHIPPEWA II | IRA S. BUSHEY & SONS INC. | 1941 | 1941- |
| MSLB | CHIPPY T. | NOLTY J. THERIOT INC. | 1969 | 1970- |
| SSLB | CHOPTANK | W.L. MESECK | 1909 | 1909-1917 |
| MSLB | CHOWANOC (ATF 100) | U.S. NAVY | 1943 | 1943-1977 |
| MSLB | CHRIS CANDIES | OTTO CANDIES INC. | 1981 | 1981- |
| MSLB | CHRIS FOSS | FOSS LAUNCH & TUG CO. | 1925 | 1937-1956 |
| MSLB | CHRIS SHERIDAN | TUG NEW YORK CO. | 1944 | |
| MDB | CHRIS WAY McMILLAN | HUGH MAC TOWING CORP. | 1958 | 1991-1995 |
| MSLB | CHRISNICK | CHRISNICK MARINE CORP. | 1943 | 1967-1990 |
| MSLB | CHRISTINE E. | NEW ENGLAND PETROLEUM CORP. | 1975 | 19- 1986 |
| MSLB | CHRISTINE FOSS | FOSS LAUNCH & TUG CO. | 1943 | 1977-1982 |
| MSLB | CHRISTINE MORAN (1) | MORAN TOWING CORP. | 1942 | 1942-1952 |
| MSLB | CHRISTINE MORAN | MORAN TOWING CORP. | 1953 | 1953-1983 |
| MSU | CIMARRON | CHARLES D. SLATER Sr. | 1970 | 1974-1975 |
| MDB | CINDY M | PUGET SOUND TUG & BARGE CO. | ||
| MSLB | CISSI REINAUER | BOSTON TOWING & TRANSP. CO. INC. | 1958 | 1958- |
| MSLB | CITTIE POINT | B & B TUGS | 1953 | 1991- |
| MDB | CITY OF MEMPHIS | MEMPHIS MID-STREAM SERVICES | 1958 | 1958-1960 |
| MDB | CITY OF St. LOUIS | LB ENTERPRISES | 1964 | 1985-1989 |
| SSLB | CLAIRE A. MORAN (1) | MORAN TOWING CORP. | 1919 | 1922-1949 |
| MSLB | CLAIRE A. MORAN | MORAN TOWING CORP. | 1943 | 1951-1967 |
| MSLB | USS CLAMP (ARS 33) | U.S. NAVY | 1942 | 1942-1973 |
| MSLB | CLAMP (CGB 68016) | U.S. COAST GUARD | 1964 | 1964- |
| SSLB | CLARA H. DOANE | DOANE COMMINS TOWING INC. | 1919 | 1919- |
| MSLB | CLAUDIA FOSS | FOSS LAUNCH & TUG CO. | 1968 | 1968- |
| MSLB | CLAYMORE SEA | SECUNDA MARINE SERVICES LTD. | 1974 | 1979- |
| MDB | CLETUS | LUHR BROTHERS INC. | 1985 | 1985- |
| SSLB | CLEVELAND | ERIE RAILROAD CO. | 1930 | 1930- |
| SSLB | CLINTON | NEWBURGH DREDGING CO. | 1898 | 1898- |
| SSLB | CLYDE B. HOLMES | EAST MARINE TOWAGE | 1924 | 1956-1976 |
| MSLB | COASTAL BUTUCHU | COASTAL TUG & BARGE CO. | 1975 | 1991-1996 |
| MSLB | COASTAL KEY WEST | COASTAL TUG & BARGE INC. | 1961 | 1991- |
| MSLB | COASTAL MIAMI | COASTAL TUG & BARGE INC. | 1981 | 1991- |
| MDSLB | COASTAL PENSACOLA | COASTAL TUG & BARGE | 1979 | 1990- |
| MSLB | COASTAL | |||
| PORT EVERGLADES | COASTAL TUG & BARGE INC. | 1981 | 1991-2001 | |
| MSLB | COASTAL SAVANTA | COASTAL TUG & BARGE INC. | 1966 | 1991- |
| SSLB | COASTWISE | |||
| MSLB | COL SETH WARNER | U.S. ARMY | 1994 | 1994- |
| MSU | COLE G. SETTOON | SETTOON TOWING LLC | 1967 | 2006- |
| MSLB | COLONEL | |||
| GEORGE ARMISTEAD | U.S. NAVY | 1904 | 1904- | |
| MDB | COLONEL | |||
| GEORGE LAMBERT | TWIN CITY BARGE & TOWING CO. | 1975 | 1975-1978 | |
| MSLB | COLUMBIA | PUGET SOUND TUG & BARGE CO. | ||
| MSU | COLUMBIA | OFFSHORE LOGISTICS INTERN. INC. | 1968 | 1977-1985 |
| MSLB | COLUMBIA | SHAVER TRANSPORTATION CO. | 1968 | 1968- |
| MTSU | COLUMBIA | ZAPATA MARINE SERVICE INC. | 1975 | 1975- |
| SSLB | COLUMBUS | PENNSYLVANIA RAILROAD CORP. | ||
| MSLB | COMANCHE | FREDERICK SALVAGE CORP. INC. | ||
| MSLB | COMANCHE | PACIFIC INLAND NAV. CO. INC. | 1942 | 1959- |
| MSLB | COMET | ALASKA BRITISH COLUMBIA TRANS. | 1944 | 1954- |
| MSU | COMET | OFFSHORE LOGISTICS INC. | 1973 | 1973-1988 |
| MSU | COMMAND TIDE | TIDEWATER INC. | 1972 | 1972-1984 |
| MSLB | COMMANDANT | DALZELL TOWING CORP. | 1944 | 1947-1950 |
| SSLB | COMPELLER | U.S. MARITIME COMMISSION | 1944 | 1944- |
| MSLB | CONDOR | HVIDE MARINE TOWING INC. | 1995 | 1998- |
| SSLB | CONFIDENCE | BOSTON TOWBOAT CO. | 1898 | 1898- |
| MSLB | CONNEE D. | DONAHUE BROS. INC. | 1947 | 1963-1974 |
| MSLB | CONSERVER (ARS 39) | U.S. NAVY | 1945 | 1945-2004 |
| MTSU | CONSTITUTION SERV. | ZAPATA MARINE U.S. INC. | 1976 | 1976- |
| MSLB | CONSULTOR II | SPENTONBUSH FUEL TRANS. SERV. | 1941 | 1941-1959 |
| SSLB | CONVOY | BALTIMORE & OHIO R.R. CO. | ||
| MSLB | CORNELL | LEHIGH VALLEY R.R. CO. | 1950 | |
| SSLB | CORNELL | JOH. H. WRONOWSKI | ||
| SSLB | CORNELL 21 | CORNELL STEAMBOAT CO. | ||
| SSLB | CORNING | DEL., LACK. & WESTERN R.R. CO. | ||
| SSLB | CORPORAL | CORNELL STEAMBOAT CO. | ||
| MSLB | COURAGEOUS | MURPHY PACIFIC MARINE SALV. CO. | ||
| SSLB | COVINGTON | SEABOARD TRANSPORTATION | 1899 | 1899- |
| MDB | CRAIG E. PHILIP | INGRAM BARGE CO. | 1970 | 1994- |
| MSLB | CRAIG FOSS | FOSS LAUNCH & TUG CO. | 1944 | 1966- |
| MSLB | CRAIG REINAUER | R.T.C. No. TWO CORPORATION | 1952 | 1981-1990 |
| MSLB | CRAIG SMITH | T. SMITH & SONS. INC. | 1953 | 1977- |
| MSLB | CREE (ARG 84) | U.S. NAVY | 1942 | 1942-1978 |
| SSLB | CREOLE | SHIPOWNERS & MERCHANTS | 1918 | |
| MDB | CREOLE BELLE | CONTI CARRIERS & TERMINALS INC. | 1967 | 1980-1994 |
| MSLB | CROSBY EXPRESS | CROSBY MARINE | 1999 | 1999- |
| MSLB | CROW | IRA S. BUSHEY & SONS INC. | 1938 | 1938- |
| MSLB | CROWLEY No. 23 | CROWLEY L. & TUGBOAT CORP. | ||
| SSLB | CROWLEY No. 28 | CROWLEY L. & TUGBOAT CORP. | 1927 | 1927-1965 |
| MTSU | CROYLE TIDE | TIDEWATER INC. | 1976 | 1976-1977 |
| MSLB | CRUSADER | CROWLEY L. & TUGBOAT CORP. | ||
| MSLB | CRUSADER | INTERSTATE OIL TRANSPORT. CO. | 1967 | 1967-1990 |
| MSLB | CRUSADER | MARITRANS OPERATING PARTNERS | 1967 | 1990- |
| MSLB | CUBITS GAP (MC 1148) | U.S. DEPT. OF COMMERCE | 1943 | 1943- |
| MSLB | CUMBERLAND | MORAN TOWING CORP. | 1910 | 1951-1952 |
| SSLB | CURB | MERRITT-CHAPMAN & SCOTT CORP. | 1943 | 1947-1983 |
| SSLB | CURRENT (ARS 23) | U.S. NAVY | 1944 | 1944-1975 |
| SSLB | CYGNET | |||
| MSLB | CYNTHIA MORAN | MORAN TOWING CORP. | 1957 | 1957- |
| MSLB | CYNTHIA TURECAMO | TURECAMO OF SAVANNAH INC. | 1969 | 1990- |
| MSLB | D.T. SHERIDAN | SHERIDAN TOWING CO. INC. | 1940 | 1940- |
| MSLB | D.T. SHERIDAN | SHERIDAN TOWING CO. INC. | 1951 | 1951- |
| SIJSBR | d'IBERVILLE | OFFSHORE PETROLEUM CO. | 1953 | 1989- |
| MSLB | DABNEY PETTY E. | RAY PETTY GEOPHISICAL DIV. | 1966 | 1976-1979 |
| MSLB | DAD III | DOUCET & ADAMS INC. | 1970 | 1970-1980 |
| MSLB | DALEY | BOSTON TOWBOAT CO. | 1972 | 1972-1986 |
| MSLB | DALZELL I | DALZELL HARBOR CORP. | 1957 | 1957-1966 |
| SSLB | DALZELLACE | DALZELL TOWING CO. INC. | 1919 | |
| MSLB | DALZELLAIRD | DALZELL TOWING CO. INC. | 1942 | 1946- |
| SSLB | DALZELLANCE | DALZELL TOWING CO. INC. | 1919 | 1934-1956 |
| MSLB | DALZELLANCE | DALZELL TOWING CO. INC. | 1944 | 19 -1967 |
| MSLB | DALZELLATLAS | DALZELLEADER INC. | 1949 | 1960- |
| SSLB | DALZELLEA | DALZELL TOWING CO. INC. | 1920 | |
| MSLB | DALZELLEADER | DALZELLEADER INC. | 1943 | 1948-1972 |
| MSLB | DALZELLEADER | McALLISTER BROS. INC. | 1943 | |
| MSLB | DALZELLEAGLE | DALZELLEAGLE INC. | 1958 | 1958- |
| SSLB | DALZELLERA | DALZELLIDO INC. | 1915 | 1952- |
| SSLB | DALZELLIDO | DALZELL TOWING CO. INC. | 1919 | 19 -1948 |
| MSLB | DALZELLIDO | TUGBOAT DALZELLIDO INC. | 1942 | 1963-1970 |
| SSLB | DALZELLINE | DALZELL TOWING CO. INC. | 1919 | |
| MSLB | DALZELLINE | DALZELL TOWING CO. INC. | 1957 | 1957-1966 |
| SSLB | DALZELLITE | DALZELL TOWING CO. INC. | 1930 | 1955-1961 |
| MSLB | DALZELLOCH | DALZELL TOWING CO. INC. | 1942 | 19 -1963 |
| MSLB | DANIEL FOSS | FOSS MARITIME CO. | 1998 | 1998- |
| SSLB | DANIEL WILLARD | ERIE RAILROAD TUGBOAT CO. | ||
| MSLB | DANIELLE | MANKE LUMBER CO. | 1972 | 1972- |
| MSU | DANTZLER ASH | MENTOR OFFSHORE BOAT SERV. INC. | 1967 | 1967-1976 |
| MSU | DARA | JACKSON MARINE CORP. | 1974 | 1974-1998 |
| MSLB | DARLENE BISSO | BISSO MARINE CO. INC. | 1984 | 2001- |
| MSLB | DARYL C. HANNAH | HANNAH MARINE CORP. | 1943 | 1975-1984 |
| MSLB | DAUNTLESS | DAUNTLESS TOWING LINE INC. | 1891 | 1948-1955 |
| SSLB | DAUNTLESS | W.A. BISBEE | 1893 | 1893- |
| SSLB | DAUNTLESS | J.D. SPECKLES & BROS. CO. | 1902 | 1902-1903 |
| SSLB | DAUNTLESS No. 5 | DAUNTLESS TOWING LINE INC. | 1914 | 1925-1955 |
| SSLB | DAUNTLESS No. 5 | DAUNTLESS TRANSPORTATION CO. | ||
| MSLB | DAUNTLESS No. 11 | DAUNTLESS TOWING LINE INC. | 1936 | 1936-1955 |
| MSLB | DAUNTLESS No. 12 | DAUNTLESS TOWING LINE INC. | 1938 | 1938- |
| MSLB | DAUNTLESS No. 14 | DAUNTLESS TOWING LINE INC. | 1940 | 1940- |
| MSLB | DAUNTLESS No. 15 | DAUNTLESS TOWING LINE INC. | 1941 | |
| MSLB | DAVID FOSS (1) | FOSS LAUNCH & TUG CO. | 1967 | 1967-1975 |
| MSLB | DAVID FOSS (2) | FOSS LAUNCH & TUG CO. | 1980 | 1980- |
| MDB | DAVID L. MORAN | MORAN TOWING CORP. | ||
| MSLB | DAVID McALLISTER | McALLISTER BROS. INC. | 1957 | 1981- |
| MSLB | DAVID P. GUIDRY | DAVID P.GUIDRY INC. | 1973 | 1973-1978 |
| MDB | DAYTONA | KIRBY INLAND MARINE LP | 1974 | 1998- |
| MDB | DE SOTO | COMMERCIAL TRANSPORT CORP. | 1951 | 1951-1962 |
| MSLB | DEARBORN | 1932 | ||
| MSU | DEARBORN 46 | DEARBORN MARINE SERV. INC. | 1971 | 1971-1975 |
| MTSU | DEARBORN 203 | DEARBORN MARINE SERV. INC. | 1974 | 1974-1975 |
| SSLB | DECK BOY | ALLMAN HUBBLE | 1928 | 1928- |
| SSLB | DEFENDER | PUGET SOUND TUG & BARGE CO. | ||
| MSLB | DEFENDER | INTERSTATE OIL TRANSPORT | 1969 | 1969- |
| MTSU | DEFENDER | OFFSHORE LOGISTICS INC. | 1974 | 1974-1988 |
| MSLB | DEFENDER | CROWLEY MARITIME CORP. | 1976 | 1976-1978 |
| SSLB | DEFIANCE | SHIPOWNERS & MERCHANTS | 1889 | 1946- |
| SSLB | DEFIANCE | 1903 | ||
| SSLB | DEIDRES FOSS | FOSS LAUNCH & TUG CO. | ||
| MSLB | DELAWARE | CURTIS BAY TOWING CO. OF VIRG. | 1906 | 19 -1991 |
| MSLB | DELAWARE | GREAT LAKES TOWING CO. | 1924 | 1924- |
| MSU | DELIA TIDE | TIDEWATER LIBERIA INC. | 1966 | 1974- |
| SSLB | DELIVER (ARS 23) | U.S. NAVY | 1944 | 1944-1979 |
| MSLB | DELTA BILLIE | BAY & DELTA TUGBOATS | 1990 | 1993- |
| MSLB | DELTA BOLLIE | BAYDELTA MARITIME | 2009 | 2009- |
| MSLB | DELTA CAREY | BAY TRANSPORTATION CORP. | 1998 | 1998- |
| MSLB | DELTA CATHRYN | ST. PHILIP TOWING CO. INC. | 1956 | 2000-2005 |
| MDB | DELTA DIAMOND 5 | DOWELL SCHLUMPBERGER | 1975 | 1975-1984 |
| MSLB | DELTA JESSICA | BAY DELTA MARITIME LTD. | 1943 | 1996- |
| MSLB | DELTA LINDA | BAY & DELTA MARINE | 1997 | 1997-1999 |
| MSLB | DENIA | SUDERMAN & YOUNG TOWING CO. | 1979 | 1979- |
| MSLB | DENISE D. DeFELICE | DeFELICE MARINE CONTR. INC. | 1966 | 1966- |
| MSLB | DENISE D. DeFELICE | GULF FLEET MIDDLE EAST INC. | 1966 | 19 -1992 |
| MDB | DENNIS HENDRIX | AM. COMMERCIAL BARGE LINE | 1977 | 1977- |
| MDB | DESCHUTES | SHAVER TRANSPORTATION CO. | 1997 | 1997- |
| MSLB | DESPATCH | THIEMANN & JOHNSTON | ||
| SSLB | DETROIT | PENNSYLVANIA RAILROAD CORP. | 1924 | 1924- |
| MSU | DEUTSCH TIDE | TIDEWATER INC. | 1974 | 1980- |
| SSLB | DEVOE AND HAROLD | BALTIMORE & OHIO RAILROAD CO. | 1930 | 1930- |
| MSLB | DEVON | TUG DEVON INC. | 1941 | 1958- |
| MSLB | DIANA L. MORAN | MORAN TOWING CORP. | 1956 | 1956-2002 |
| MSLB | DIANE MORAN | MORAN TOWING CORP. | 2001 | 2001- |
| Z.SCHIP | DILEGENCE | U.S. COAST GUARD | 1799 | 1799- |
| MSU | DILIGENTE | OFFSHORE LOGISTICS SERV. INC. | 1971 | 1978-1990 |
| MSLB | DIPLOMAT | GELLENTHIN BULK TRANSP. CORP. | 1978 | 1980- |
| SSLB | DIRECTOR | |||
| MSU | DISCOVERY | OFFSHORE LOGISTICS INC. | 1976 | 1976-1988 |
| MSLB | DIXIE PIRATE | 1967 | 1967- | |
| MTSU | DOC TIDE | TIDEWATER INC. | 1982 | 1982-1993 |
| SSLB | DOLLY C | PUGET SOUND TUG & BARGE CO. | ||
| MSLB | DOLOMITE | MICHIGAN LIMESTONE CO. | 1927 | |
| MSLB | DOLOMITE | UNITED STATES CORP. INC. | 1927 | 19 -1981 |
| MSLB | DOMAR CAPTAIN | DOMAR OCEAN TRANSP. INC. | 1978 | 1978-1981 |
| MSLB | DOMINION | FLOYD WAITE | 1944 | |
| MSLB | DONALD C. HANNAH | HANNAH INLAND W.W. CORP. | 1962 | 1962- |
| MSLB | DONEGAL | GAELIC TUGBOAT CO. | 1943 | 1967-1985 |
| MSLB | DONNA FOSS (1) | FOSS LAUNCH & TUG CO. | 1944 | 1947-1969 |
| MSLB | DONNA FOSS (2) | FOSS LAUNCH & TUG CO. | 1969 | 1969- |
| MSLB | DONNA GAIL | GAUTIER TRANSPORTATION INC. | 1966 | 1966-1974 |
| MSLB | DORADO | CARIBE TUGBOAT CORP. | 1965 | 1976- |
| MSLB | DOREEN FOSS | FOSS LAUNCH & TUG CO. | ||
| MSLB | DORISS MORAN | MORAN TOWING CORP. | 1943 | 1966-1966 |
| MSLB | DORIS MORAN | MORAN TOWING CORP. | 1967 | 1967-1970 |
| MSLB | DORIS MORAN | MORAN TOWING CORP. | 1982 | 1982- |
| MSLB | DOROTHY | ALLIED TOWING CORP. | 1891 | 1976- |
| MSLB | DOROTHY FOSS | FOSS LAUNCH & TUG CO. | 1963 | 1963- |
| MSLB | DOROTHY-H | H.M.S. | ||
| MSLB | DOROTHY McALLISTER | McALLISTER BROS INC. | 1949 | 1949- |
| MSLB | DOROTHY MORAN | MORAN TOWING CORP. | 1977 | 1977- |
| MSLB | DOUBLE EAGLE | D. & V. BOAT COMPANY | 1972 | 2009-2009 |
| SSLB | DOUGLASS H. THOMAS | THE P. DOUGHERTY CO. | 1892 | 1892- |
| S/MSLB | DOWNER IX | DOWNER TOWING CORP. | 1911 | 1911-1938 |
| SSLB | DOWNER XII | DOWNER TOWING CORP. | 1916 | 1916- |
| SSLB | DOWNER XV | DOWNER TOWING CORP. | ||
| MSLB | DR. DANIELS | GULF & CARIBBEAN TOWING CO. INC. | 1957 | 1982-1984 |
| MSLB | DR JACK | JACKSON MAR. CORP. OF ARANSAS | 1976 | 1976-1995 |
| MSLB | DRAVO PIONEER | DRAVO CORPORATION | 1959 | 1959-1961 |
| SSLB | DREW FOSS (1) | FOSS LAUNCH & TUG CO. | 1929 | 1929-1975 |
| MSLB | DREW FOSS (2) | FOSS LAUNCH & TUG CO. | 1977 | 1980- |
| MSLB | DRIVER | INTERSTATE OIL TRANSPORT CO. | 1973 | 1973- |
| MSLB | DRUM POINT | CURTIS BAY TOWING CO. | 1968 | 1968- |
| MSLB | DRUM POINT | MORAN TOW. OF VIRGINIA INC. | 1968 | |
| SSLB | DUDLEY PRAY | COMMERCIAL TOWBOAT CO. | 1890 | 1890-1908 |
| SSLB | DUKE | |||
| MSLB | DUNCAN FOSS | FOSS LAUNCH & TUG CO. | 1970 | 1970- |
| SSLB | DUNMORE | THE P. DOUGHERTY CO. | 1919 | 1923- |
| MSLB | DUWAMISH | PUGET SOUND FREIGHT LINES INC. | 1976 | |
| SSLB | DYNAMIC | |||
| MSLB | E.B. McNAUGHTON | TRUSTEE TO ULTRAMAR CHEM. CO. | 1970 | 1981-1991 |
| MSLB | E. BRONSON INGRAM | INGRAM MARINE LTD. | 1969 | 1969-1972 |
| SSLB | E.F. MORAN Jr. | MORAN TOWING CORP. | 1940 | 1954- |
| MSLB | E.M. BLACK | D.M. PICTON & CO. INC. | 1936 | 1936-1964 |
| MDB | E.N. BELCHER Jr. | BELCHER TOWING CO. | 1973 | 1973-1992 |
| MSU | EAGLE | OFFSHORE LOGISTICS SERVICES INC. | 1967 | |
| MSLB | EAGLE RIVER | TRICO MARINE INC. | 1983 | 1977- |
| MSLB | EARL H | KNAPPTON TOWBOAT CO. | ||
| MSU | EASTERN SERVICE | ZAPATA MARINE SERVICES LTD. S.A. | 1963 | 1963-1981 |
| MTSU | EBB TIDE II | TIDEWATER BARGES LTD. | 1974 | 1974- |
| SSLB | ECHO | OLSON TUG BOAT CO. | ||
| MSLB | EDDIE B. | CALUMET MARINE TOWING CO. | 1958 | 1967-1992 |
| MSLB | EDENSHAW (YTB-752) | U.S. NAVY | 1943 | 1943-1994 |
| MSLB | EDENTON (ATS 1) | U.S. NAVY | 1968 | 1968- |
| SSLB | EDGAR F. LUCKENBACH | LUCKENBACH TOWING & SALVAGE | 1891 | 1981-1917 |
| MDB | EDITH | COMPASS MARINE SERVICE INC. | 1981 | 1982-1993 |
| SSLB | EDITH FOSS (1) | FOSS LAUNCH & TUG CO. | 1901 | 1942-1943 |
| MSLB | EDITH FOSS | FOSS LAUNCH & TUG CO. | 1980 | 1980-1990 |
| MSLB | EDITH J. | HENRY GILLEN SONS | 1962 | 1962- |
| MSLB | EDITH LOVEJOY | PUGET SOUND FREIGHT LINES INC. | 1971 | 1971- |
| SSLB | EDMOND J. MORAN (1) | MORAN TOWING CORP. | 1886 | 1916-1939 |
| MSLB | EDMOND J. MORAN (2) | MORAN TOWING CORP. | 1940 | 1940-1943 |
| SSLB | EDMUND N. RUSSELL | MOORE-McCORMACK LINES INC. | 1925 | 1947- |
| SSLB | EDNA G. | DULUTH MISSABE AND IRON | 1896 | 1896-1984 |
| SSLB | EDNA MAY | NEW HAVEN TOWING CO. | 1910 | |
| MSLB | EDNA ST. PHILIP | BAY TRANPORTATION CORP. | ||
| SSLB | EDNA V. CREW | WOOD TOWING CORP. | 1901 | |
| SSLB | EDWARD A. MESECK | MESECK TOWING & TRANS. CO. INC. | 1920 | 1940-1954 |
| MSLB | EDWARD E. GILLEN | HENRY GILLEN SONS | 1988 | 1988- |
| SSLB | EDWARD J. BERWIND | PUERTO RICO LIGHTERAGE CO. INC. | 1902 | 1902- |
| SSLB | EDWARD LUCKENBACH | LUCKENBACH TOWING & SALVAGE | 1896 | 1896-1917 |
| SSLB | EDWARD LUCKENBACH | LUCKENBACH TOWING & SALVAGE | 1899 | 1899-1915 |
| MSLB | EDWARD S ATWOOD | |||
| SSLB | EDWARD T. DALZELL | DALZELL TOWING CORP. | ||
| MSLB | EDWIN N. BELCHER | BELCHER TOWING CO. | 1961 | 1961-1991 |
| MSLB | EDWINA MARTIN | MARTIN OFFSHORE BOATS INC. | 1974 | 1974-1989 |
| MSLB | EIL FRITZ | |||
| MSLB | EILEEN C. | NEW ENGLAND PETROLEUM CO. | 1974 | 1974-1977 |
| MSLB | EILEEN McALLISTER | McALLISTER BROS. INC. | 1977 | 1977- |
| SSLB | EILEEN MORSE | MORSE DRY DOCK & REPAIR CO. | 1897 | |
| MTSU | EKOFISK MOON | JACKSON MARINE CORP. | 1972 | 1972-1986 |
| MSLB | EL BUEY GRANDE | TWENTY GRAND MARINE SERV. INC. | 1962 | 1962-1977 |
| MSLB | EL BUFALO GRANDE | TIDEWATER INC. | 1967 | 1967-1987 |
| MSLB | EL CABALLO GRANDE | TIDEWATER INC. | 1966 | 1966-1981 |
| MSLB | EL CAPITAN | ALASKA TIMBER CORP. | 1944 | 1975-1980 |
| SSLB | EL CHICO | SOUTHERN PACIFIC CO. | 1907 | 1907- |
| MSLB | EL FALCON GRANDE | TIDEWATER MARINE INC. | 1975 | 1986- |
| MSLB | EL JAGUAR GRANDE | TIDEWATER INC. | 1976 | 1976-1977 |
| MTSU | EL LEON GRANDE II | TIDEWATER INC. | 1975 | 1981- |
| MSLB | EL MORRO | CARIBE TUGBOAT CORP. | 1966 | 1977- |
| MSLB | EL PUMA GRANDE | TIDEWATER INC. | 1965 | 1965- |
| MSLB | EL RHINO | TIDEWATER INC. | 1981 | 1991- |
| MSLB | EL TIGRE GRANDE | TWENTY GRAND MARINE SERV. INC. | 1963 | 1963-1970 |
| MTSU | EL TIGRE GRANDE II | TIDEWATER INC. | 1975 | 1981- |
| SSLB | EL TORRO | SOUTHERN PACIFIC CO. | 1907 | 1907- |
| SSLB | ELAINE FOSS | FOSS LAUNCH & TUG CO. | 1925 | 1969- |
| MSU | ELDA MARTIN | ANDREW MARTIN MARINE CORP. | 1975 | 1975-1991 |
| MDB | ELEANOR GORDON | MID-AMERICA TRANSPORT. CO. | 1956 | 1956-1965 |
| MSLB | ELEU | HAWAIIAN TUG & BARGE CO. LTD. | 1989 | 1989- |
| S/MSLB | ELF | OLSON TUG BOAT CO. | 1902 | 1902-1916 |
| MSLB | ELIOT WINSLOW | SHEEPSCOT PILOTS INC. | 1943 | 1982- |
| SSLB | ELISE ANN CONNORS | CONNORS MARINE CORP. INC. | 1881 | 1881- |
| MTSU | ELISE M. | MISTOIL TUG CORP. | 1975 | 1975-1989 |
| MSLB | ELISKA THERIOT | NOLTY J. THERIOT INC. | 1964 | 1964-1967 |
| MSLB | ELISKA THERIOT | NOLTY J. THERIOT INC. | 1967 | 1967-1973 |
| MSLB | ELISKA THERIOT | NOLTY J. THERIOT INC. | 1975 | 1975-1984 |
| SSLB | ELIZABETH | 1931 | ||
| MSLB | ELIZABETH MORAN (2) | MORAN TOWING CORP. | 1943 | 1957-1957 |
| MSLB | ELIZABETH MORAN | PASADENA CURTIS BAY | 1967 | 1967- |
| MSLB | ELIZABETH OLSON | OLSON TOWBOAT CO. | 1944 | 1959-1960 |
| SSLB | ELIZABETH W. MORAN | MORAN TOWING CORP. | 1937 | 1937-1948 |
| MSU | ELK | PENROD DRILLING CO. | 1968 | 1968-1991 |
| SSLB | ELLA CARROLL | CARROLL TOWING CO. LTD. | ||
| MSLB | ELLEN F. | EFM TUG SERVICES | 1971 | 1984- |
| MSLB | ELLEN F. McALLISTER | McALLISTER BROS. INC. | 1971 | 1977-1978 |
| MSLB | ELLEN F. McALLISTER | McALLISTER BROS. INC. | 1974 | 1977-1978 |
| MSLB | ELLEN FOSS | FOSS LAUNCH & TUG CO. | 1943 | 1962-1970 |
| MDB | ELLEN M | BAILEY COKE TRANSPORT INC. | 1967 | 1967-1970 |
| MSLB | ELLEN MURPHY | MURPHY PACIFIC MARINE SALV. INC. | 1923 | 19 -1977 |
| SSLB | ELMIRA | PENNSYLVANIA RAILROAD CORP. | 1925 | 1925- |
| MSLB | ELMIRE G. DeFELICE | DeFELICE MARINE CONTR. INC. | 1971 | 1971- |
| MSLB | ELSBETH II | C. LATHAM & ELSBETH A. SMITH | 1985 | 1985- |
| SSLB | ELSIE NELL | RICHARD SMITH | 1901 | 1901-1912 |
| MSLB | EMPIRE STATE | GREAT LAKES DREDGE & DOCK CO. | ||
| MSLB | ENSCO SUNSHINE | |||
| STATE | HUMBLE OIL & REFINING CO. | 1970 | 1970-2003 | |
| MSU | ENDEAVOUR | OFFSHORE LOGISTICS SERV. INC. | 1964 | 1977-1982 |
| MTSU | ENDEAVOUR | NATIONAL SCIENCE FOUNDATION | 1976 | 1976- |
| SSLB | ENERGETIC | BOSTON TOWBOAT CO. | ||
| MSLB | ENFORCER | TD 61 CORP. | 1966 | 1992- |
| MSLB | ENSIGN | CARIBE TUGBOAT CORP. | 1977 | 1977- |
| MTSU | ENTERPRISE | OFFSHORE LOGISTICS INC. | 1973 | 1973-1988 |
| MTU | ENTERPRISE | INTERSTATE OIL TRANSP. CO. | 1977 | 1977-1990 |
| SSLB | EQUATOR | PUGET SOUND TUG & BARGE CO. | ||
| MSLB | EQUATOR | EQUATOR MARINE SERVICE INC. | 1976 | 1976-1981 |
| MSLB | ERIC-H | HYDRO DREDGE CORP. | 1943 | 1980- |
| SSLB | ERIK FOSS | FOSS LAUNCH & TUG CO. | 1908 | -1977 |
| MSLB | ERNEST M. | SOUTHEASTERN LEASING CORP. | 1956 | 1956- |
| MSLB | ERVIN S. COOPER | CRESCENT TOWING & SALVAGE CO. | 1958 | 1990- |
| MBV | ESCAPE (WMEC 6) | U.S. COAST GUARD | 1943 | 1980- |
| MSLB | ESCORT | SEATANKERS INC. | 1944 | 1953-1954 |
| MSU | ESCRAVOS SEAHORSE | SEAHORSE INC. | 1977 | 1977-1988 |
| SSLB | ESPECO | ALLIED TOWING CO. | 1938 | 1938- |
| SSLB | ESSAYONS | WHITNEY BROS. CO. | ||
| MSLB | ESSO BAY STATE | HUMBLE OIL & REFINING CO. | 1970 | 1970-1973 |
| MSLB | ESSO EMPIRE STATE | HUMBLE OIL & REFINING CO. | 1967 | 1967-1973 |
| MSLB | ESSO GARDEN STATE | HUMBLE OIL & REFINING CO. | 1967 | 1967-1973 |
| MSLB | ESSO LOUISIANA | HUMBLE OIL & REFINING CO. | 1965 | 1965-1973 |
| MSLB | ESSO MASSACHUSETTS | HUMBLE OIL & REFINING CO. | 1953 | 1955-1973 |
| MSLB | ESSO NEW JERSEY | HUMBLE OIL & REFINING CO. | 1952 | 1955-1978 |
| MSLB | ESSO RHODE ISLAND | ESSO STANDARD OIL CO. INC. | 1951 | 1956-1958 |
| MSLB | ESSO SAN NICOLAS | LAGO OIL & TRANSPORT CO. LTD. | 1969 | 1969-1986 |
| SSLB | ESSO TUG No. 1 | ESSO STANDARD OIL CO. INC. | 1907 | |
| SSLB | ESSO TUG No. 3 | ESSO STANDARD OIL CO. INC. | ||
| SSLB | ESSO TUG No. 4 | ESSO STANDARD OIL CO. INC. | 1908 | 1908- |
| SSLB | ESSO TUG No. 6 | ESSO STANDARD OIL CO. INC. | 1913 | 1913- |
| MSLB | ESSO TUG No. 8 | ESSO STANDARD OIL CO. INC. | 1945 | 1946-1955 |
| MSLB | ESSO TUG No. 10 | ESSO STANDARD OIL CO. INC. | 1951 | 1951-1955 |
| MSLB | ESSO TUG No. 11 | ESSO STANDARD OIL CO. INC. | 1951 | 1951-1956 |
| MSLB | ESSO TUG No. 12 | ESSO STANDARD OIL CO. INC. | 1952 | 1952-1955 |
| MSLB | ESSO TUG No. 20 | ESSO STANDARD OIL CO. INC. | 1953 | 1953-1955 |
| MSLB | ESTEFF S. DeFELICE | DeFELICE MARINE CONTR. INC. | 1971 | 1971- |
| MSLB | ESTHER MORAN | MORAN TOWING CORP. | 1963 | 1963-2000 |
| MSLB | EUGENE F. MORAN (6) | MORAN TOWING CORP. | 1942 | 1946-1947 |
| MSLB | EUGENE F. MORAN (7) | MORAN TOWING CORP. | 1944 | 1947-1947 |
| MSLB | EUGENE F. MORAN (9) | MORAN TOWING CORP. | 1951 | 1951-2002 |
| MSLB | EUGENE McDERMOTT II | J. RAY McDERMOTT & CO. INC. | 1972 | 1972 |
| SSLB | EUGENE T. MESECK | MESECK TOWING & TRANS. CO. INC. | 1930 | 1930-1954 |
| MSLB | EUGENIE MORAN | MORAN TOWING CORP. | 1966 | 1966- |
| SSLB | EUGENIE MORAN (1) | MORAN TOWING CORP. | 1938 | 1962-1963 |
| MSLB | EUGENIA M. MORAN (3) | MORAN TOWING CORP. | 1942 | 1947-1959 |
| S/MSLB | EUGENIE SPOFFORD | EASTERN MAIN TOWING CO. | 1924 | 1924- |
| MSLB | EVELYN | MARINE TOWING CO. | 1943 | 1967- |
| MSLB | EVELYN COLLINS | NOLTY J. THERIOT INC. | 1965 | 1965- |
| SSLB | EVELYN MATHIASEN | MATHIASEN STEAMBOAT INC. | 1910 | 1927- |
| MDB | EVELYN RUSHING | RUSHING MARINE CORP. | 1956 | 1979-1981 |
| MSLB | EVENING TIDE | TUG EVENING TIDE CORP. | 1970 | 1973- |
| MSLB | EVERGLADES | HVIDE SHIPPING INC. | 1956 | |
| MSLB | EXPLORER | SAN DIEGO TRANSPORTATION CO. | 1975 | 1975- |
| MSLB | EXXON BAY STATE | EXXON SHIPPING CO. | 1970 | 1973-1994 |
| MSLB | EXXON BROWNSVILLE | EXXON SHIPPING CO. | 1974 | 1974-1993 |
| MSLB | EXXON DELAWARE | |||
| VALLEY | EXXON SHIPPING CO. | 1967 | 1967-1973 | |
| MSLB | EXXON EMPIRE STATE | EXXON SHIPPING CO. | 1967 | 1973-1999 |
| MSLB | EXXON GARDEN STATE | EXXON SHIPPING CO. | 1967 | 1973-1985 |
| MSLB | EXXON GOLDEN STATE | EXXON SHIPPING CO. | 1975 | 1989-1993 |
| MSLB | EXXON GRANITE STATE | EXXON PETROLEUM CORP. | 1975 | 1980-1984 |
| MSLB | EXXON KENTUCKY | EXXON SHIPPING CO. | 1972 | 1972-1993 |
| MSLB | EXXON LOUISVILLE | EXXON SHIPPING CO. | 1976 | 1976-1992 |
| MSLB | EXXON MAINE | EXXON SHIPPING CO. | 1982 | 1982-1991 |
| MSLB | EXXON MASSACH. | EXXON CO. U.S.A. | 1953 | 1973-1981 |
| MDB | EXXON MEMPHIS | EXXON SHIPPING CO. | 1976 | 1976-1993 |
| MSLB | EXXON MISSISSIPPI | EXXON SHIPPING CO. | 1968 | 1973-1993 |
| MSLB | EXXON MOBILE | EXXON SHIPPING CO. | 1977 | 1977-1992 |
| MSLB | EXXON PENNSLYVANIA | EXXON SHIPPING CO. | 1962 | 1973-1983 |
| MSLB | EXXON WEST VIRGINIA | EXXON SHIPPING CO. | 1963 | 1973-1983 |
| SSLB | F.H. CHAPPELL | THAMES TOWBOAT CO. | 1899 | |
| SSLB | F.W. VOSBURGH | MORAN TOWING CO. | 1883 | 1883-1895 |
| SSLB | FAIRFIELD | TACOMA TUG AND BARGE CO. | 1899 | 1899- |
| SSLB | FAIRLESS | 1874 | 1874-1889 | |
| SSLB | FAIRPLAY | |||
| MSLB | FAJARDO | CARIBE TUGBOAT CORP. | 1966 | 1977- |
| MSLB | FALCON | WADE TOWING INC. | 1943 | 19 -1977 |
| SSLB | FAME | |||
| MSLB | FARALLON (MC 625) | U.S. DEPARTMENT OF COMMERCE | 1943 | 19 -1973 |
| SSLB | FAVORITE | GREAT LAKES TOWING CO. | 1864 | 1902-1907 |
| SRSLB | FAVORITE | PUGET MILL COMPANY | 1869 | 1876- |
| SSLB | FAVORITE | GREAT LAKES TOWING CO. | 1919 | 1919-1954 |
| SSLB | FAVORITE II | GREAT LAKES TOWING CO. | 1907 | 1907-1917 |
| MSLB | FAY BLACKMAN | COASTAL TOWING CORP. | 1964 | 1964-1992 |
| SSLB | FEARLESS | J.D. SPRECKLES & BROS. CO. | 1892 | 1892-1898 |
| MSLB | FELICIA | McALLISTER TOWING CO. LTD. | 1923 | 1960-1965 |
| MSLB | FELLS POINT | CURTIS BAY TOWING CO. | 1956 | 1956- |
| SSLB | FIRE FIGHTER | CITY OF NEW YORK | 1938 | 1938- |
| MSLB | FLO W. | MERRITT-CHAPMAN & SCOT CORP. | 1959 | 1959-1969 |
| MTSU | FLOOD TIDE II | TIDEWATER BARGES INC. | 1974 | 1974- |
| SSLB | FLORENCE | |||
| MSLB | FLORIDA | GREAT LAKES TOWING CO. | 1926 | 1926-1983 |
| MSLB | FLORIDA MARTIN | FLORIDA MARTIN INC. | 1974 | 1974-1974 |
| MSLB | FLORIKAN (ARS 9) | U.S. NAVY | 1943 | 1943- |
| MSLB | FLUSHING | RED STAR TOWING & TRANS. CO. INC. | 1937 | 1937- |
| MSLB | FORCE TIDE | TIDEWATER CARIBE C.A. | 1970 | 1970-1977 |
| SSLB | FOREMOST | |||
| MSLB | FORNEY | U.S. CORPS OF ENGINEERS | 1944 | 1960-2003 |
| MSLB | FORT CONDE | CRESCENT TOWING & SALVAGE CO. | 1947 | 1980-1991 |
| SSLB | FORT HOWARD | WOOD TOWING CORP. | 1919 | 1919- |
| MSLB | FORT LAUDERDALE | HVIDE MARINE INC. | 1971 | 1998- |
| MSLB | FORT LAUDERDALE | PORT EVERGLADES TOWING INC. | 1946 | 1958-1968 |
| MSLB | FORT PHOENIX | 1943 | 1943- | |
| MSU | FORTIES MOON | JACKSON MARINE CORP. | 1973 | 1973-1986 |
| MSLB | FOSS No. 8 | FOSS LAUNCH & TUG CO. | 1935 | 1938-1972 |
| MSLB | FOSS No. 12 | FOSS LAUNCH & TUG CO. | 1914 | 1914-1966 |
| MSLB | FOSS No. 15 | FOSS LAUNCH & TUG CO. | 1902 | 1916-1970 |
| S/MSLB | FOSS No. 16 | FOSS LAUNCH & TUG CO. | 1908 | 19 -1963 |
| SSLB | FOSS No. 18 | FOSS LAUNCH & TUG CO. | 1892 | 1919-1970 |
| SSLB | FOSS No. 19 | FOSS LAUNCH & TUG CO. | 1895 | 192 -1965 |
| SSLB | FOSS No. 21 | FOSS LAUNCH & TUG CO. | 1900 | 1925-1966 |
| MSLB | FOURNIER BOYS | PORTLAND TOWBOAT & SHIPD. | 1967 | 1993- |
| MSLB | FRANCES A. SMALL | BULK FLEET MARINE INC. | 1966 | 1966-1968 |
| MSLB | FRANCES E. HADEN | R.P. BUSHMAN Jr. TRUSTEE | 1967 | 1967-2005 |
| MSLB | FRANCES HAMMER | PORT EVERGLADES TOWING INC. | 1981 | 1982- |
| MSLB | FRANCES TURECAMO | FRANCES TURECAMO INC. | 1957 | 1957- |
| MDB | FRANCIS R. KEEGAN | AMERICAN COMM. BARGE LINE INC. | 1966 | 1966-2006 |
| SSLB | FRANK A. FURST | THE ARUNDEL CORP. | 1919 | 1919- |
| MSLB | FRANK CANDIES | OTTO CANDIES INC. | 1965 | 1965-1979 |
| MSLB | FRANK H. CAVEN | AMERICAN DREDGING CO. INC. | 1941 | 1941- |
| MSLB | FRANK P. BUCHANAN | DAVID J. CONROY INC. | 1944 | 1946- |
| MSLB | FRANK P. BUCHANAN | BRONX TOWING LINES INC. | 1944 | 19 -1952 |
| MSLB | FRANK W. SPENCER | ATLANTIC TOWING CO. | 1943 | |
| MSLB | FRANKLIN REINAUER | REINAUER TRANSPORT. CO. | 1969 | 1981-1983 |
| SSLB | FRED A. CASSIDY | JERSEY CITY STOCKYARDS | 1942 | 1942- |
| SSLB | FRED B. DALZELL | DALZELL TOWING CO. INC. | 1914 | 1914- |
| MSLB | FRED B. DALZELL | DALZELL TOWING CO. INC. | 1943 | 19 -1964 |
| MSU | FRED H. MOORE | UNIVERSITY OF TEXAS | 1967 | 1979-1989 |
| MSLB | FRED LEE | U.S. ARMY CORPS OF ENGINEERS | 1994 | 1994- |
| SSLB | FREDERICK D. | |||
| UNDERWOOD | BALTIMORE & OHIO R.R. CO. | 1911 | 1911- | |
| MSLB | FREDERICK E. | |||
| BOUCHARD | BOUCHARD TRANSPORT. CO. INC. | 1975 | 1975- | |
| SSLB | FREDERICK E. MESECK | MESECK TOWING & TRANS. CO. INC. | 1930 | 1930-1954 |
| MSLB | FREEDOM | INTERSTATE TOWING CORP. | 1979 | 1979- |
| MSLB | FREEDOM | MARINE TOWING OF TAMPA LLC | 2005 | 2005- |
| MTSU | FREEDOM SERVICE | ZAPATA MARINE SERVICE INC. | 1978 | 1978- |
| MDB | FREMONT 105 | FREMONT TUGBOAT CO. | 1944 | 1963- |
| MTSU | FRITZ TIDE | TIDEWATER INC. | 1975 | 1976-1984 |
| SSLB | FULTON | DELAWARE LACK. & WEST. R.R. CO. | ||
| MDSLB | G & E No. 2 | VANE LINE BUNKERING INC. | ||
| MDSLB | G & E No. 4 | VANE LINE BUNKERING INC. | 1972 | |
| SSLB | G & H B. 644 | |||
| SSLB | G.K. WELDING | |||
| SSLB | G.M. McALLISTER | McALLISTER BROS. INC. | 1925 | |
| MSLB | G.M. McALLISTER | McALLISTER BROS. INC. | 1951 | 1964-1990 |
| MSLB | G.R. MOIR | CO-ORDINATED CARIBBEAN TRANS. | 1979 | 1979-1991 |
| MSLB | G.W. CODRINGTON | GENERAL MOTORS CORP. | 1950 | 1950-1951 |
| MSLB | GAELIC CHALLENGE | TUG KILLARNEY INC. | 1944 | 1990-1996 |
| MSLB | GALE WIND | ANDERSON TUG & BARGE | 1991 | 1991-2008 |
| MSU | GALLANT TIDE | TIDEWATER INC. | 1972 | 1972-1989 |
| SSLB | GALWAY | GAELIC TUGBOAT CO. | 1905 | 1972-1982 |
| MSLB | GALWAY BAY | TUG KILLARNEY INC. | 1952 | 1989-1990 |
| SSLB | GARDEN CITY | LONG ISLAND RAILROAD | 1941 | |
| MSLB | GARTH FOSS | FOSS LAUNCH & TUG CO. | 1994 | 1994- |
| MSLB | GARY CHOUEST | EDISON CHOUEST OFFSHORE INC. | 1982 | 1982- |
| MSLB | GARY FOSS (1) | FOSS LAUNCH & TUG CO. | 1943 | 1948-1949 |
| MSU | GAS SERVICE | ZAPATA MARINE SERVICE INC. | 1966 | 1966-1986 |
| MTSU | GATES TIDE | TIDEWATER INC. | 1976 | 1976-2001 |
| SSLB | GATUN | PANAMA CANAL COMMISSION | 1902 | 1906- |
| MSLB | GAUCHO | ELLCO BOAT SERVICE INC. | 1976 | 1976-1979 |
| MSLB | GAUNTLET | SAN DIEGO TRANSPORTATION CO. | 1976 | 1976- |
| MSLB | GAY MORAN | MORAN TOWING CORP. | 1944 | 1968-1972 |
| MSLB | GAY MORAN (2) | MORAN TOWING CORP. | 1944 | 1955-1961 |
| MSLB | GEAR (ARS 34) | U.S. NAVY | 1942 | 1942-1947 |
| MTSU | GECO SNAPPER | EDISON CHOUEST INC. | 1985 | 1997- |
| MSLB | GELBERMAN | U.S. ARMY CORPS OF ENGINEERS | 1980 | |
| MSU | GEM TIDE | TIDEWATER INC. | 1974 | |
| MSLB | GEMINI | GATX THIRD AIRCRAFT CORP. | 1941 | 1941-1980 |
| MSLB | GENE DUNLAP | U.S. BANCORP LEASING INC. | 1972 | 1992- |
| SSLB | GENE POPE | BRONX TOWING LINE INC. | 1929 | |
| SSLB | GEO F. RANDOLPH | BALTIMORE & OHIO R.R. CO. | 1905 | 1905- |
| MSLB | GEO H. JACKSON | GREAT LAKES DREDGE & DOCK CO. | ||
| MSLB | GEO N. BARNETT | MORAN TOWING CORP. | 1920 | 1949-1954 |
| SSLB | GEO N. SOUTHWICK | |||
| SSLB | GEO. W. WASHBURN | CORNELL STEAMBOAT CO. | 1889 | 1889- |
| SSLB | GEORGE | |||
| SSLB | GEORGE A. KEOGH | MESECK TOWING & TRANSP. CO. INC. | 1920 | 1935-1954 |
| SSLB | GEORGE B. McCLELLAN | 1862 | ||
| SSLB | GEORGE C. GREER | MAGNOLIA PETROLEUM CO. | 1920 | 1940-1941 |
| SSLB | GEORGE L. POTTER | BALTIMORE & OHIO R.R. CO. | 1909 | 1909- |
| MSLB | GEORGE S. | CROWLEY MARITIME CORP. | 1942 | 1950-1999 |
| SSLB | GEORGE W. | PACIFIC TOW BOAT CO. | 1889 | 1936-1967 |
| SSLB | GEORGE W. STEVENS | CHESAPEAKE & OHIO R.W. CO. | 1919 | |
| MSLB | GEORGE W. STEVENS | CHESAPEAKE & OHIO R.W. CO. | 1936 | 1936- |
| S/MSLB | GEORGIA | GREAT LAKES TOWING CO. | 1895 | 1972- |
| SSLB | GERD H. HENJES | |||
| MSLB | GERONIMO | PACIFIC INLAND NAVIGATION CO. | 1967 | 19 -1977 |
| MSLB | GERONIMO | PUGET SOUND TUG & BARGE CO. | 1967 | 1977- |
| SSLB | GETTYSBURG | PHILADELPHIA & READING R.R. CO. | 1898 | 1898-1940 |
| MTSU | GIANT TIDE | TIDEWATER INC. | 1974 | 19 -1995 |
| MSLB | GILLEN BROTHERS | HENRY GILLEN SONS | 1969 | 1969-1976 |
| MDB | GIRARD LEWIS | THOMAS MARINE CO. | 1968 | 1968-1977 |
| MSLB | GIRARD POINT | GULF OIL CORPORATION | 1944 | 1948-1977 |
| MSLB | GLACIER WIND | COOK INLET TUG & BARGE CO. | 1997 | 1997- |
| MSLB | GLADIATOR | CROWLEY MARITIME CORP. | 1975 | 1975- |
| SSLB | GLEANER | GARDINER MILL COMPANY | 1908 | 1908- |
| SSLB | GLEEFUL | 1953 | 1953-1960 | |
| MSLB | GLORIA ST. PHILIP | ST. PHILIP COASTAL TOW. CO. INC. | 1909 | 1969-1979 |
| MSLB | GO-GETTER | SAUSE TUG & BARGE CO. INC. | 1963 | 1989-1999 |
| MSLB | GODFATHER | JACKSON MARINE CORP. | 1975 | 1975- |
| SSLB | GOLDEN GATE (WYT 94) | U.S. COAST GUARD | 1897 | 1919-1947 |
| MSLB | GOLDEN VENTURE | DEEP VENTURE LTD. | 1958 | 1980-1983 |
| SRSLB | GOLIAH | COMMODORE VANDERBILT | 1849 | 1849- |
| SSLB | GOLIAH | CARY-DAVIS TUG & BARGE CO. | 1883 | 1929- |
| SSLB | GOLIAH | PUGET SOUND TUG & BARGE CO. | 1907 | 1907-1948 |
| MTSU | GOLIATH TIDE | TIDEWATER INC. | 1974 | |
| SSLB | GORGONA | PANAMA RAILROAD CO. | 1914 | 1914- |
| MTSU | GOUX TIDE | TIDEWATER INC. | 1977 | 1977- |
| MSLB | GRACE | FREMONT BOAT CO. INC. | 1968 | 2005- |
| SSLB | GRACE A. BARRETT | EDWARD E. BARRETT | ||
| MSLB | GRACE FOSS (2) | FOSS LAUNCH & TUG CO. | 1968 | 1968-2005 |
| MSLB | GRACE McALLISTER | McALLISTER BROS. INC. | 1968 | 1968- |
| MSLB | GRACE MORAN (1) | MORAN TOWING CORP. | 1949 | 1949-1954 |
| MSLB | GRACE MORAN (2) | MORAN TOWING CORP. | 1930 | 1962-1965 |
| MSLB | GRACE MORAN (3) | MORAN TOWING CORP. | 1967 | 1967- |
| MSLB | GRACE No. 3 | GRACE LINE CO. | 1943 | |
| SSLB | GRACE THURSTON | |||
| RDB | GRACO | BEDFORD-NUGENT CO. | 1928 | 19 -1962 |
| MTSU | GRAF TIDE | TIDEWATER INC. | 1975 | 1977-1981 |
| MSLB | GRAMMA LEE T. | |||
| MORAN | MORAN TOWING CORP. | 2002 | 2002- | |
| MSLB | GRAMPUS | GULFSHORE TOWING CO. INC. | 1956 | 1956-1989 |
| MSU | GRAND ALLIANCE | |||
| MSU | GRAND SEAHORSE | SEAHORSE FLEET INC. | 1975 | 1975-1981 |
| MSLB | GRAPPLE (ARS 53) | U.S. NAVY | 1985 | 1985-2006 |
| MSLB | GRASP (ARS 23) | U.S. NAVY | 1944 | 1944-1978 |
| MSLB | GRASP (ARS 51) | U.S.NAVY | 1985 | 1985- |
| SSLB | GRAYLING | CHARLES M. ANDERSON | ||
| MSU | GREAT REPUBLIC | OFFSHORE LOGISTICS INC. | 1970 | 1975-1987 |
| SSLB | GREENSBURG | PENNSYLVANIA R.R. CORP. INC. | ||
| SSLB | GREENVILLE | |||
| SSLB | GREENWICH | RED STAR TOWING CO. | 1906 | 1906- |
| MSLB | GRETCHEN | G. & H. OFFSHORE TOWING | 1967 | 1967- |
| MTSU | GRIZZLY BEAR | PENROD DRILLING | 1974 | 1974-1989 |
| SSLB | GUARDIAN | U.S. SHIPPING BOARD | 1919 | 1919-1921 |
| MSLB | GUARDIAN | CROWLEY L. & T. CO. | 1970 | 1970- |
| MSLB | GUARDSMAN | CROWLEY MARINE CORP. | 1976 | 1976-1977 |
| MSLB | GUARDSMAN | SAN DIEGO TRANSPORTATION CO. | 1976 | 1977- |
| SSLB | GUIDING STAR | WHITE STAR LINE | ||
| MSLB | GULF ACE II | GULF MISSISSIPPI MARINE CORP. | 1975 | 1975-1980 |
| MSLB | GULF BREEZE | GULF FLEET MARINE CORP. | 1975 | 1975-1976 |
| MSLB | GULF BRENT | GULF MISSISSIPPI MARINE CORP. | 1976 | 1976-1977 |
| MSLB | GULF CAJUN | GULF FLEET MARINE CORP. | 1976 | 1976-1992 |
| MSU | GULF CHALLENGER | GULF MISSISSIPPI MARINE CORP. | 1969 | 1973-1979 |
| MSLB | GULF COMMANDER | GULF FLEET MARINE CORP. | 1976 | |
| MSLB | GULF DUKE | GULF MISSISSIPPI MARINE CORP. | 1967 | 1967-1978 |
| MSLB | GULF DUKE | GULF MISSISSIPPI MARINE CORP. | 1977 | 1977-1980 |
| MSLB | GULF EXPLORER | GULF MISSISSIPPI MARINE CORP. | 1967 | 1967-1979 |
| MSU | GULF FLEET No. 2 | GULF FLEET INTERNATIONAL INC. | 1971 | 1971-1974 |
| MSU | GULF FLEET No. 5 | GULF MISSISSIPPI MARINE CORP. | 1972 | 1972-1976 |
| MTSU | GULF FLEET No. 7 | GULF MISSISSIPPI MARINE CORP. | 1972 | 1972-1976 |
| MSU | GULF FLEET No. 8 | GULF FLEET INTERNATIONAL INC. | 1974 | 1974-1974 |
| MSU | GULF FLEET No. 11 | GULF MISSISSIPPI MARINE CORP. | 1969 | 1974-1978 |
| MTSU | GULF FLEET No. 16 | GULF MISSISSIPPI MARINE CORP. | 1976 | 1976-1977 |
| MSU | GULF FLEET No. 18 | GULF FLEET MARINE OPERAT. INC. | 1977 | 1977-1981 |
| MSU | GULF FLEET No. 19 | GULF FLEET INTERNATIONAL INC. | 1977 | 1977-1992 |
| MSU | GULF FLEET No. 25 | GULF MISSISSIPPI MARINE CORP. | 1977 | 1977-1978 |
| MSU | GULF FLEET No. 26 | GULF FLEET SUPPLY VESSELS INC. | 1976 | 1977-1996 |
| MSU | GULF FLEET No. 49 | GULF FLEET SUPPLY VESSELS INC. | 1981 | 1981-1992 |
| MSU | GULF FLEET No. 54 | GULF FLEET SUPPLY VESSELS INC. | 1982 | 1982-1996 |
| MTSU | GULF FLEET No. 57 | GULF FLEET MARINE CORP. | 1982 | 1982-1993 |
| MTSU | GULF FLEET No. 62 | GULF FLEET SUPPLY VESSELS INC. | 1983 | 1983-1992 |
| MSU | GULF FLEET No. 63 | GULF FLEET EQUIPMENT CO. INC. | 1983 | 1983-1992 |
| MTSU | GULF FLEET No. 65 | GULF FLEET MARINE CORP. | 1983 | 1983- |
| MSLB | GULF KING | GULF FLEET MARINE CORP. | 1967 | 1979-1980 |
| MSLB | GULF KING | GULF MISSISSIPPI MARINE CORP. | 1967 | 1971-1979 |
| MSLB | GULF LEADER | GULF INTERNATIONAL MARINE CORP. | 1974 | 1978-1981 |
| MSLB | GULF MAJESTY | GULF FLEET MARINE CORP. | 1976 | 1976-1992 |
| MSLB | GULF MISS | GULF MISSISSIPPI MARINE CORP. | 1969 | 1969-1980 |
| MSU | GULF MOON | JACKSON MARINE CORP. | 1982 | 1982-1992 |
| MSLB | GULF PACER | GULF MISSISSIPPI MARINE CORP. | 1977 | 1977- |
| MSLB | GULF PRIDE | GULF MISSISSIPPI MARINE CORP. | 1973 | 1973-1980 |
| MSLB | GULF QUEEN II | GULF MISSISSIPPI MARINE CORP. | 1973 | 1973-1980 |
| MSLB | GULF RAMBLER | GULF MISSISSIPPI MARINE CORP. | 1974 | 1974-1980 |
| MSLB | GULF RUNNER | GULF FLEET MARINE CORP. | 1975 | 1983-1992 |
| MTSU | GULF SERVICE | ZAPATA MARINE SERVICE INC. | 1965 | 1965-1971 |
| MSLB | GULF SERVICE | LEEVAC MARINE INC. | 1979 | 1998- |
| MSLB | GULF TROUT | TIDEWATER MARINE INTERN. | 1982 | 1997-2008 |
| MSLB | GULF VICTORY | GULF MISSISSIPPI MARINE CORP. | 1974 | 1974-1977 |
| MSLB | GULF VIKING | GULF MISSISSIPPI MARINE CORP. | 1966 | 1966- |
| MSU | GUS CANDIES | OTTO CANDIES INC. | 1968 | 1968-1969 |
| MSLB | GUS CANDIES | TWENTY GRAND OFFSHORE INC. | 1973 | 1973-1986 |
| SSLB | GWENDOLINE STEERS | STEERS SAND & GRAVEL CORP. | 1888 | |
| SSLB | GWYLAN | AMERICAN TOWBOAT CO. | 1902 | 1902- |
| MSLB | GYRFALCON | PACIFIC COAST MARITIME INC. | 1995 | 1995- |
| MSLB | H. BURGESS | THE GOVERNMENT OF U.S.A. | 1977 | 1977- |
| MSLB | H.C. JEFFERSON | CURTIS BAY TOWING CO. | 1937 | 19 -1991 |
| MSLB | H.C. WHITEMAN | GEORGE W. WHITEMAN | 1892 | 1942- |
| MSLB | H.J. REINAUER | REINAUER TRANSPORTATION CO. | 1979 | 1986- |
| MSLB | H.O. WEATHERSBEE | BAY-HOUSTON TOWING CO. | 1945 | 1947- |
| MSU | H.O.S. CITATION | HORNBECK OFFSHORE SERVICES | 1982 | 1982-1997 |
| MSLB | H.R. PARFITT | PANAMA CANAL COMMISSION | 1980 | 1980- |
| MSLB | H.W. ORR | S. JAMES SIMPSON Jr. | 1953 | 1953- |
| MSLB | HACKENSACK | U.S. NAVY | 1952 | 1958-1976 |
| MSLB | HAILEY A. | BRONCO LAUNCH & TUG | 1936 | |
| MSU | HALE TIDE | TIDEWATER FLEETS INC. | 1975 | 1976-1981 |
| MSU | HALLIBURTON 219 | HALLIBURTON CO. | 1975 | 1975- |
| MSU | HALLIBURTON 301 | HALLIBURTON CO. | 1989 | 1989- |
| MDB | HAMILTON | CANAL BARGE CO. INC. | 1980 | 1980- |
| MSU | HAMILTON TIDE | SEAFARER BOAT CORP. | 1982 | 1982-1990 |
| MSLB | HANK | JACKSON MARINE CORP. | ||
| MSLB | HANK TULODZIEKSI | MEMCO BARGE LINE INC. | 1955 | 2005- |
| MSLB | HARBOR HOBO | R. LEARNED & W. MATHEN | ||
| MSLB | HARBOR STAR | B.T.F. No. TWO CORP. | 1943 | 1977-1986 |
| MSLB | HAROLD A. | |||
| REINAUER II | BOSTON TOWING & TRANSP.CO. INC. | 1972 | 1986- | |
| SRSLB | HARRIET LANE | U.S. REVENU CUTTER SERVICE | 1858 | 1858-1869 |
| MSLB | HARRIET MORAN | MORAN TOWING CO. | 1978 | 1978- |
| MSLB | HARRIET MORAN (1) | MORAN TOWING CO. | 1938 | 1951-1977 |
| MSLB | HARRIET V. MORAN | MORAN TOWING CO. | 1938 | 1947-1951 |
| MDB | HARRIS B. DOUCET | DOUCET & ADAMS CO. INC. | 1974 | 1974- |
| MSLB | HARRY A. MARVEL | H.A. MARVEL | 1943 | 1945-1946 |
| MSLB | HARRY B | DUTRA CONSTRUCTION CO. INC. | 1980 | 1985- |
| MSLB | HARRY B. WILLIAMS | GREAT LAKES DREDGE & DOCK CO. | 1931 | 1931- |
| MSLB | HARRY CARD | CARD TOWING LINE INC. | 1944 | 1950-1950 |
| MDB | HARRY COLLINS | KOCH-ELLIS MARINE CONTR. INC. | 1975 | 1975-1987 |
| MDB | HARRY M. MACK | AMERICAN COMMERCIAL BARGE L. | 1975 | 1975- |
| MSLB | HARRY R. CONNERS | TUG HARRY R. CONNORS CORP. | 1946 | 1951-1963 |
| MSU | HARTEBEEST | PENROD DRILLING | 1973 | 1973-1993 |
| MSLB | HARTFORD | RED STAR T. & T. CO. INC. | 1941 | 1941- |
| MSLB | HARTFORD | RED STAR T. & T. CO. INC. | 1951 | 1951-1985 |
| SSLB | HARVEY D. GOULDER | GREAT LAKES TOWING CO. | ||
| MSU | HATTERAS SEAHORSE | SEAHORSE FLEET INC. | 1979 | 1981-1987 |
| MSLB | HAWK | GALLUP MARINE SERVICES | ||
| MIJSBR | HAWSER | U.S. COAST GUARD | 1963 | 1963- |
| MSLB | HAZEL FOSS | FOSS LAUNCH & TUG CO. | 1907 | |
| SSLB | HAZEL R. MESECK | MESECK TOWING & TRANSP. CO. INC. | 1943 | 1943-1946 |
| MSLB | HAZLETON | LEHIGH VALLEY RAIL ROAD CO. | 1950 | 1950-1963 |
| MSLB | HEIDE MORAN | MORAN ATLANTIC TOWING CORP. | 1975 | 1975- |
| MSLB | HELEN B. MORAN (2) | MORAN TOWING CORP. | 1926 | 1926-1955 |
| MSLB | HELEN B. MORAN (3) | MORAN TOWING CORP. | 1938 | 1955-1972 |
| SSLB | HELEN BUCHANAN | BRONX TOWING LINE INC. | 1902 | |
| SSLB | HELEN L. TRACY | SEABOARD TOWING LINE INC. | 1919 | |
| MSLB | HELEN McALLISTER | McALLISTER BROS. INC. | 1969 | 1969-1985 |
| SSLB | HELEN M. MATHIASEN | CONRAD MATHIASEN | 1882 | |
| MSLB | HENRIETTA FOSS | FOSS LAUNCH & TUG CO. | 1931 | 1931- |
| SSLB | HENRY E. GILLEN | EDWARD E. GILLEN & CO. | 1915 | 1915-1979 |
| MSLB | HENRY FOSS (1) | FOSS LAUNCH & TUG CO. | 1900 | 1941-1959 |
| MSLB | HENRY FOSS (2) | FOSS LAUNCH & TUG CO. | 1945 | 1964-1984 |
| MSLB | HENRY FOSS | FOSS LAUNCH & TUG CO. | 1982 | 1982- |
| SSLB | HENRY GILLEN | HENRY GILLEN SONS | ||
| SSLB | HENRY LEE | LEE TRANSPORT CORP. | 1873 | |
| SSLB | HENRY O'BRIEN | |||
| SSLB | HENRY STEERS | STEERS SAND & GRAVEL CORP. | 1919 | 19 -1961 |
| SSLB | HENRY W. CARD | CARD TOWING CO. | 1893 | |
| SSLB | HENRY W. CARD | CARD TOWING CO. | 1920 | |
| SSLB | HERCULES | THOMAS & BROWN SB. CO. | 1907 | |
| SSLB | HERCULES | WESTERN PACIFIC RAILROAD CO. | 1907 | 1907- |
| MSLB | HERCULES | BOSTON TOWBOAT CO. | 1943 | 1946- |
| MSLB | HERCULES | BOSTON FUEL TRANSPORT. INC. | 1953 | 1980- |
| MSLB | HERCULES | CROWLEY L. & T. BOAT CORP. | 1967 | 1967- |
| MSLB | HERCULES | JOH. & PATRICIA KENT | 1979 | 1992 |
| MDB | HIAWATHA | AIPLE TOWING CO. | 1966 | 1966-1979 |
| MTSU | HIGH TIDE II | TIDEWATER VENTURES INC. | 1974 | 1976-1980 |
| MSU | HIGHLAND CHAMPION | GULF OFFSHORE MARINE INTERN. | 1979 | 1993- |
| MTSU | HIGHLAND LIGHT | OFFSHORE LOGISTICS INC. | 1976 | 1976- |
| MTSU | HILL TIDE II | TIDWATER NAVIATORS INC. | 1974 | 1974- |
| MSU | HIPPO | PENROD DRILLING CO. | 1969 | 19 -1980 |
| MSLB | HOBOKEN | DELAWARE, L. & W. R.R CO | 1957 | 1957-1973 |
| MSLB | HOIST (RS 40) | U.S. NAVY | 1945 | 1945-1998 |
| MSLB | HOKU-LOA | HAWAIIAN TUG & BARGE CO. | 1991 | 1991- |
| MSLB | HOLLAND | BAKER-WHITELEY TOWING CO. | 1955 | 1955-1981 |
| MSLB | HOLLAND | McALLISTER BROS. INC. | 1955 | 1981-1992 |
| MSLB | HOLLYWOOD | PORT EVERGLADES TOWING INC. | 1945 | 1958-1990 |
| MSLB | HOLLYWOOD | HVIDE CHARTERING LTD. | 1985 | 1996- |
| SSLB | HONEYBROOK | CULLEN COAL CO. | 1902 | 1902- |
| MSLB | HONOUR | MARITRANS OP. PARTNERS L.P. | 1975 | 1990- |
| SSLB | HOPE | |||
| MSU | HOPE TIDE | TIDEWATER RESOURCES INC. | 1975 | 19 -1994 |
| MSU | HORNBECK BARONET | HORNBECK OFFSHORE SERVICES | 1986 | 1995-1996 |
| SSLB | HORNELL | ERIE-LACKAWANNA R.R. CO. | 1952 | 1952- |
| MSU | HOS CANONERO | HORNBECK OFFSHORE SERVICES | 1975 | 1993-1997 |
| MSU | HOS NATIVE DANCER | HORNBECK OFFSHORE (1994-1) CORP. | 1975 | |
| MSU | HOS SNIPE | HORNBECK OFFSHORE SERV. INC. | 1972 | 1995-1996 |
| MSU | HOS SUCCESS | HORNBECK OFFSHORE SERV. INC. | 1976 | 1991-1997 |
| MSLB | HOUMA | NARROWS TANKER CORP. | 1970 | 1990- |
| SSLB | HOWARD C. MOORE | MORAN TOWING CORP. | 1913 | 1928-1953 |
| MSLB | HOWARD E. SIMPSON | BALTIMORE & OHIO RAILROAD CO. | 1953 | 1953-1985 |
| MSLB | HOWARD H. | AMERICAN TUG BOAT CO. | 1967 | 1969-1978 |
| MSLB | HOWARD H. | PUGET SOUND TUG & BARGE CO. | 1967 | 1978- |
| SSLB | HOWARD MORAN | MORAN TOWING CORP. | 1920 | 1954-1960 |
| MSLB | HUDSON | |||
| SSLB | HUDSON (WYT 87) | U.S. COAST GUARD | 1934 | 1934-1970 |
| MDB | HUGH B. STEGER | M/G TRANSPORT SERVICES INC. | 1978 | 1978-1994 |
| SSLB | HUGH L. BOND Jr. | BALTIMORE & OHIO RAILROAD CO. | 1906 | 1906- |
| MSLB | HUGH O'DONNELL | O'DONNELL TOWING & TRANSP. | ||
| SSLB | HUKI HUKI | |||
| SSLB | HUMACONNA | WESTERN PACIFIC RAILROAD CO. | 1919 | |
| MSLB | HUMRICK | CRESCENT TOWING & SALV. CO. INC. | 1919 | 1949-1975 |
| SSLB | HUNTINGTON | MORAN TOWING CORP. | 1910 | 1950-1955 |
| MSLB | HUNTINGTON | NEWPORT NEWS S.B. & D.D. CO. | 1933 | 1933- |
| SSLB | HURRICANE CAMILLE | |||
| SSLB | I.J. MERRIT | MERRIT-CHAPMAN & SCHOTT | 1919 | 1919- |
| MSLB | I.T.T. No. 4 | INTERNATIONAL TUG & TOWING CO. | 1942 | 1982-1990 |
| MIJSBR | ICE BERG | J. RAY McDERMOTT & CO. INC. | 1967 | 1967-1990 |
| MSLB | ICE FLOE | J. RAY McDERMOTT & CO. INC. | 1967 | 1967- |
| MSLB | ICE PACK | J. RAY McDERMOTT & CO. INC. | 1967 | 1967-1990 |
| SSLB | IDA M. DALBY | |||
| MSLB | IDAHO | GREAT LAKES TOWING CO. | 1931 | 1931- |
| MSLB | ILLINOIS | GREAT LAKES TOWING CO. | 1914 | 1914- |
| MTSU | INDEPENDENCE | ZAPATA MARINE SERVICE INC. | 1977 | 1977-1989 |
| MSLB | INDEPENDENT | BISSO TOWBOAT CO. | 1955 | 1990- |
| MSLB | INDEPENDENT | MARINE TOWING OF TAMPA LLC | 2003 | 2003- |
| MSLB | INDIANA | GREAT LAKES TOWING CO. | 1911 | 1911- |
| SSLB | INTREPID | BELLINGHAM TUG & BARGE CO. INC. | 1900 | 1919-1965 |
| MSLB | INTREPID | CROWLEY LAUNCH & TUGBOAT CO. | 1965 | 1965- |
| MSLB | INTREPID | INTERSTATE OIL TRANSPORT. CO. | 1970 | 1970- |
| MSLB | INTREPID | MARITRANS OPERATING PART. LP. | 1970 | 1990- |
| MSU | INTREPID | OFFSHORE LOGISTICS INC. | 1974 | 1974-1992 |
| MSLB | INVADER | TIDEWATER BARGE LINES INC. | 1939 | 196 - |
| MSLB | INVADER | SAN DIEGO TRANSPORTATION CO. | 1974 | 1974- |
| SSLB | INVINCIBLE | BROOKLYN EASTERN DIST. TERM. | 1913 | |
| MTSU | INVINCIBLE | ZAPATA MARINE SERVICE LTS. S.A. | 1970 | 1970-1987 |
| SSLB | IROQUOIS | U.S. NAVY | 1892 | 1898-1928 |
| MSLB | IROQUOIS | WELLINGTON TOWING INC. | 1912 | 1987-1990 |
| SSLB | IRVINGTON | LEHIGH VALLEY RAILROAD INC. | 1907 | 1907-1914 |
| SSLB | ISABEL A. McALLISTER | McALLISTER BROS. INC. | 1964 | 1964- |
| SSLB | ISKUM | |||
| SSLB | IVANHOE | THE P. DOUGHERTY CO. | 1919 | 1923- |
| MSLB | IVER FOSS (1) | FOSS LAUNCH & TUG CO. | 1925 | 1926-1974 |
| MSLB | J. A. BELCHER Sr. | BELCHER TOWING CO. | 1977 | 1977-1991 |
| SSLB | J. A. BISSO II | BISSO TOWBOAT CO. | 1906 | 1906- |
| MDB | J. E. ALQUIST | AMERICAN COM. BARGE LINE CO. | 1961 | 1961- |
| SSLB | J. F. CARROLL Jr. | CARROLL TOWING CO. LTD. | ||
| SSLB | J. G. ROSE | CORNELL STEAMBOAT CO. | 1900 | 1900- |
| MDB | J.J.C. | G.W. MARTIN INC. | 1949 | 1970- |
| SSLB | J. P. McALLISTER | McALLISTER BROS. INC. | 1909 | |
| MSLB | J. P. McALLISTER | MCALLISTER TOW. & TRANS. INC. | 1964 | 1964- |
| MSLB | J. GEORGE BETZ | DONJON MARINE COMPANY | 1995 | 1995-1996 |
| MSLB | J. HARRIS MASTERSON | BAY-HOUSTON TOWING CO. | 1957 | 1957-2000 |
| SSLB | J. J. BERNET | CHESAPEAKE & OHIO RAILWAYS CO. | 1931 | 19 -1964 |
| MSLB | J.J. TUCKER | BOSTON TOWBOAT CO. | ||
| MSLB | J. RAYMOND RUSSELL | RUSSELL BROS. TOWING CO. | 1939 | 1939-1963 |
| MSLB | J. RAY McDERMOTT | J. RAY McDERMOTT & CO. INC. | 1967 | 1967-1984 |
| MSLB | J. RICH STEERS | STEERS SAND & GRAVEL CORP. | 1948 | 19 -1977 |
| MSLB | J.V. ALARIO | NOLTY J. THERIOT INC. | 1966 | 1966-1992 |
| MSLB | J.W.P. CREPPEL | PORT OF NEW ORLEANS | ||
| SSLB | JACK | |||
| MSLB | JACKIE CENAC | CENAC TOWING CO. INC. | 1974 | 1987-1992 |
| MSLB | JACKLYN M | JACKLYN SHIPPING INC. | 1976 | 1993-1995 |
| MSLB | JACKSONVILLE | ARTEMIS MARINE CORPORATION | 1982 | 1982- |
| MSU | JAGUAR | PENROD DRILLING CO. | ||
| SSLB | JAMES BATTLE | CITY OF DETROIT FIRE DEPARTMENT | 1900 | 1900-1941 |
| MSLB | JAMES DALZELL | DALZELL TOWING CO. | ||
| MSLB | JAMES E. SMITH | NEW YORK DOCK RAILWAY | 1958 | 1958-1976 |
| SSLB | JAMES F. MURPHY | NEPTUNE LINE INC. | ||
| SSLB | JAMES J. McGUIRL | SHAMROCK TOWING CO. | 1892 | |
| MSLB | JAMES McALLISTER | McALLISTER BROS. INC. | 1930 | 19 -1978 |
| MSLB | JAMES PALADINO | INLAND BULK TRANSFER | 1999 | 1999- |
| MDB | JAMES R. HINES | HINES AMERICAN LINES | 1960 | 1992-1995 |
| SSLB | JAMES T. CARROLL | CARROLL TOWING CO. LTD. | ||
| MSLB | JAMES T. MORAN | MORAN TOWING CORP. | 1943 | 1958-1965 |
| MSLB | JAMES TURECAMO | MORAN TOWING & TRANSP. CO. | 1969 | 1969- |
| MDB | JAMIE | CHOTIN TRANSPORTATION INC. | 1963 | 1963- |
| MSLB | JANE McALLISTER | McALLISTER BROS. INC. | 1968 | 1968- |
| MSLB | JANE S. | BISSO TOWBOAT CO. | 1976 | 1998- |
| MSLB | JANET | BAILY BARGE LINE INC. | 1945 | 196 -1970 |
| MSLB | JANET GRAHAM | GULFCOAST TRANSIT CORP. | 1977 | 1986-2001 |
| MSLB | JANET THERIOT | NOLTY J. THERIOT INC. | 1974 | 1975-1984 |
| SSLB | JANET W. | |||
| MSLB | JARAMAC VIII | McDERMOTT INTERNATIONAL INC. | 1955 | |
| MSLB | JARAMAC XI | McDERMOTT INTERNATIONAL INC. | 1957 | |
| MSLB | JARAMAC XVI | McDERMOTT INTERNATIONAL INC. | 1966 | 1966- |
| MSLB | JARAMAC XX | McDERMOTT INTERNATIONAL INC. | 1966 | 1966- |
| MSLB | JARAMAC XXII | McDERMOTT INTERNATIONAL INC. | 1965 | 1983-1993 |
| MDB | JARED M. | OFFSHORE TOWING CO. | 1996 | 1996-1998 |
| MDB | JARED S. | 1941 | ||
| SSLB | JAS A. MORRIS | |||
| MSLB | JASON ALARIO | NOLTY J. THERIOT INC. | 1975 | 1975-1985 |
| MSLB | JASON REINAUER | REINAUER TRANSPORTATION CO. INC. | 1979 | 1986- |
| MSLB | JASON SMITH | CRESCENT T. & S. CO. INC. | 1959 | 1981- |
| MDB | JAYNE HOUGLAND | HOUGLAND BARGE LINE INC. | 1960 | 1960-1976 |
| MRSLB | JEAN | PORT OF PORTLAND | 1947 | 1947- |
| MSLB | JEAN C | |||
| MSU | JEAN LAFITTE | SLATER ENTERPRISES INC. | 1974 | 1974-1979 |
| MSLB | JEAN NELSON | OLSON TOWBOAT CO. | 1944 | 1959- |
| MSLB | JEAN TURECAMO | JEAN TURECAMO INC. | 1962 | 1962-1994 |
| MSLB | JEANETTE BELCHER | BELCHER TOWING CO. | 1971 | 1971-1982 |
| MDB | JEFFBOAT | AMERICAN COMM. BARGE LINE | 1981 | 1981- |
| MSLB | JEFFERSON | RIVER PANISHES CO. INC. | 1948 | 1993- |
| MSLB | JEFFREY FOSS | FOSS LAUNCH & TUG CO. | 1970 | 1970- |
| MSLB | JEKYLL ISLE | JEKYLL TOWING & MAR. SERV. INC. | 1980 | 1980- |
| MSLB | JENNIE M | |||
| MSLB | JENNIFER GEORGE | BAY-HOUSTON TOWING CO. | 1952 | 1952-1982 |
| MDB | JENNY | |||
| MSLB | JENNY FOSS | FOSS LAUNCH & TUG CO. | 1965 | 1965- |
| MSU | JEP TIDE | TIDEWATER INC. | 1966 | 1966-1980 |
| MDB | JERE ANN | GENERAL INTERMODAL LOG. CORP. | 1975 | 1975-1979 |
| MSLB | JERSEY CITY | PENNSYLVANIA R.R. CORP. INC. | 1960 | 1960- |
| MDB | JIM HOUGLAND | HOUGLAND BARGE LINE INC. | 1956 | 1962-1976 |
| MSLB | JOAN MORAN | MORAN TOWING CORP. | 1967 | 1967-1980 |
| MDB | JOE BOBZIEN | AMERICAN COMM. BARGE LINE | 1978 | 1978- |
| MDB | JOE NUT | AMERICAN BOAT CO. | 1956 | 1985-1994 |
| MSLB | JOEL ROBIN | ROBIN TOWING CORP. | 1969 | 1969-1983 |
| MSLB | JOHN A. DOWNS | GREAT LAKES DREDGE & DOCK CO. | 1966 | 19 -1984 |
| SSLB | JOHN A. MESECK | MESECK TOWING & TRANSP.CO. INC. | 1919 | |
| MSLB | JOHN B. | R.A. FRANCOEUR MARINE INC. | 1973 | 1991-1993 |
| SSLB | JOHN CUDAHY | GRAY'S HARBOR TUGBOAT CO. | 1900 | 1900-1941 |
| MSLB | JOHN D. McKEAN | CITY OF NEW YORK | 1954 | 1954- |
| MSLB | JOHN E. MATTON | MATTON STEAMBOAT CO. INC. | 1945 | 1945-1958 |
| SSLB | JOHN E. McALLISTER | McALLISTER BROS. INC. | 1907 | 1955-1991 |
| SSLB | JOHN J. HARVEY | NEW YORK CITY FIRE DEPARTMENT | 1931 | 1931- |
| SSLB | JOHN J. TIMMINS | MUTUAL TOWING CO. INC. | 1908 | 1908- |
| MSLB | JOHN JONES | J. RAY McDERMOTT INTERNATIONAL | 1969 | 1969-1981 |
| MTSU | JOHN L. GUIDRY | AMERICAN OFFSHORE FLEETS INC. | 1975 | 1975-1981 |
| SSLB | JOHN L. SULLIVAN | LLOYD H. DALZELL | 1920 | 1948- |
| SSLB | JOHN L. WELCH | CORNELL STEAMBOAT CO. | 1899 | 1899- |
| S/MSLB | JOHN M. SELVICK | CALUMET RIVER FLEETING CORP. | 1898 | |
| SSLB | JOHN McCORMICK | GREAT LAKES DREDGE & DOCK CO. | 1900 | 1936- |
| MSLB | JOHN MICHAEL | BALTIMORE TOWING CO. | 1944 | 1946-1950 |
| SSLB | JOHN N. STEWART | U.S. WAR SHIPPING ADMINISTRATION | 1926 | 1926-1942 |
| SSLB | JOHN PURROY | |||
| MITCHELL | CITY OF NEW YORK | 1921 | 1921- | |
| SSLB | JOHN PURVES | ENGINE & LEASING CORP. | 1919 | 1980- |
| MSLB | JOHN ROEN IV | ROEN STEAMSHIP CO. | 1946 | 19 -1973 |
| SSLB | JOHN ROEN V | ROEN STEAMSHIP CO. | 1898 | 1898-1951 |
| SSLB | JOHN R. WILLIAMS | GREAT LAKES DREDGE & DOCK CO. | 1913 | 1928-1941 |
| SSLB | JOHN SCULLY | SCULLY TOWING & TRANSP. CO. | 1899 | 19 - 1905 |
| SSLB | JOHN TWOHY Jr. | LAMBERTS POINT TOWBOAT | 1909 | 1909- |
| SSLB | JOHN W. VANPELT | JOHN. W. VANPELT | 1927 | 1927- |
| SSLB | JOHN WANAMAKER | CITY OF PHILADELPHIA | 1924 | 1924-1955 |
| MDB | JOHN WELCH | FEDERAL BARGE LINES INC. | 1977 | 1977-1984 |
| SSLB | JONAS H | |||
| MTSU | JONATHAN CHOUEST | EDISON CHOUEST OFFSHORE LLC | 1979 | 1979-1982 |
| MSU | JONES TIDE | TIDEWATER INC. | 1978 | 1978- |
| MSLB | JOSEPH C. MEHAFFEY | PANAMA CANAL COMMISSION | 1970 | 1970- |
| SSLB | JOSEPH F. CARROLL | CARROLL TOWING CO. LTD. | ||
| SSLB | JOSEPH H. MORAN (2) | MORAN TOWING CORP. | 1881 | 1918-1925 |
| SSLB | JOSEPH H. MORAN (3) | MORAN TOWING CORP. | 1918 | 1925-1947 |
| MSLB | JOSEPH H. MORAN II | MORAN TOWING CORP. | 1946 | 1946-1947 |
| MSLB | JOSEPH H. MORAN II (2) | MORAN TOWING CORP. | 1943 | 1946-1949 |
| SSLB | JOSEPH J. HOCK | ARUNDEL CORPORATION | 1906 | 1936-1956 |
| SSLB | JOSEPH O'BRIEN | WOOD TOWING CORP. | 1913 | 1927-1954 |
| MDB | JOSEPH M JONES | CANAL BARGE CO. INC. | 1963 | 1963-1985 |
| SSLB | JOSEPH MESECK Jr. | MESECK TOWING & TRANS. CO. INC. | 1915 | 19 -1954 |
| SSLB | JOSEPH MESECK Jr. | MESECK TOWING & TRANS. CO. INC. | 1940 | 1940-1940 |
| SSLB | JOSEPH V. HOGAN | ARUNDEL CORPORATION | 1900 | 1936-1953 |
| MSLB | JOSHUA T. | HOLTY J. THERIOT INC. | 1975 | 1975-1983 |
| MSLB | JOVI | 1960 | 1960- | |
| MDB | JOY ANNE KELLER | MEMCO BARGE LINES | 1999 | 1999- |
| MSLB | JOYCE | JACKSON MARINE CORPORATION | 1957 | 1957-1981 |
| MDB | JOYCE MARY C. | WAVELAND TOWING INC. | 1975 | 1975-1984 |
| S/MSLB | JOYCE MORAN | MORAN TOWING CORP. | ||
| MTSU | JOYCE TIDE | TIDEWATER INC. | 1973 | 19 -1989 |
| MSLB | JUBAL EARLY | JUBAL EARLY RENTALS CO. | 1969 | 1969- |
| SSLB | JUDITH ANN MESECK | MESECK TOWING & TRANS. CO. INC. | 1945 | 1945- |
| MSLB | JUDY MORAN | MORAN TOWING CORP. | 1973 | 1973- |
| SSLB | JULIA C. MORAN (1) | MORAN TOWING CORP. | 1902 | 1906-1916 |
| SSLB | JULIA C. MORAN (2) | MORAN TOWING CORP. | 1871 | 1918-1929 |
| MSLB | JULIA C. MORAN (5) | MORAN TOWING CORP. | 1951 | 1951-1954 |
| MSLB | JULIA C. MORAN (6) | MORAN TOWING CORP. | 1943 | 1955-1963 |
| MSLB | JULIA C. MORAN (7) | MORAN TOWING CORP. | 1949 | 1963- |
| MSLB | JULIA FOSS | FOSS LAUNCH & TUG CO. | 1964 | 1964-1985 |
| MSLB | JULIUS HAMMER | SEABULK TRANSMARINE INC. | 1981 | 1982-1999 |
| SSLB | JUMBO | |||
| MDSLB | JUNE S. | HORTON & HORTON INC. | 1964 | 1964-1978 |
| MSLB | JUNO | BOSTON TOWBOAT CO. | 1946 | 1946- |
| MSLB | JUNO | INTRA-COASTAL T. & T. CORP. | 1977 | 1977- |
| SSLB | JUPITER | EASTERN TOWBOAT CO. | 1902 | 1935-1989 |
| MSLB | JUPITER | MASSACHUSETTS EAST. G.& F. ASS. | 1944 | 1947-1963 |
| MSLB | JUSTINE FOSS (2) | FOSS LAUNCH & TUG CO. | 1944 | 1946- |
| MSLB | JUSTINE FOSS (3) | FOSS LAUNCH & TUG CO. | 1978 | 1981- |
| MSLB | JUSTINE McALLISTER | McALLISTER BROS. INC. | 1951 | 1968- |
| MSLB | KALMIA (ATA 184) | U.S. NAVY | 1944 | 19 -1971 |
| SSLB | KANAK | PACIFIC TOWBOAT & SALVAGE CO. | 1913 | 1945- |
| MDB | KANAWHA | STARVAGGI INDUSTRIES INC. | 1956 | 1958-1995 |
| SSLB | KAREN | |||
| MSLB | KAREN | KAREN INTERESTS INC. | 1969 | 1991-1993 |
| MSLB | KAREN MORAN | MORAN TOWING CORP. | 2000 | 2000- |
| MSU | KAREN TIDE | TIDEWATER INC. | 1967 | 1975- |
| MSLB | KARL E. MARTENSTECK | GREAT LAKES DREDGE & DOCK CO. | 1959 | 1969-1991 |
| SSLB | KATAHDIN | WAGNER TUGBOAT CO. | 1899 | 1930- |
| SSLB | KATHLEEN C. TRACY | W.J.T. TOWING LINE INC. | 1944 | 19 -1955 |
| MSLB | KATHLEEN TURECAMO | KATHLEEN TURECAMO INC. | 1956 | 1964-1972 |
| MSLB | KATHRINE CLEWIS | GULFCOAST TRANSIT CO. | 1964 | 1964-1996 |
| MDB | KATHRYN B. | BERNERT BARGE LINES INC. | 1975 | 1975- |
| MSLB | KATRINA G. | C.R. LOUISIANA LTD. | 1980 | 1991- |
| MSU | KEENELAND | DEARBORN MARINE SERVICE CORP. | 1969 | 1969-1970 |
| MDB | KELLY JAMES | LOUISIANA MARINE TRANS. INC. | 1981 | 1981-1985 |
| MSLB | KELLY R | HOUSTON CONTRACTING CO. | 1974 | 1974- |
| MSLB | KENNEBEC | BATH IRON WORKS CORP. | 1955 | 1955- |
| MSLB | KENOSHA | U.S. CORPS OF ENGINEERS | 1954 | 1954- |
| SSLB | KENTUCKY | GREAT LAKES TOWING CO. | 1929 | 1929- |
| MSLB | KEOKUK | U.S. NAVY | 1964 | 1964- |
| MSLB | KERRY MORAN | MORAN TOWING CORP. | 1962 | 196 -1966 |
| MSLB | KEVIN CANDIES | OTTO CANDIES INC. | 1981 | 1981- |
| MSLB | KEVIN MORAN | MORAN TOWING CORP. | 1963 | 1963- |
| MSLB | KEVIN MORAN (7) | MORAN TOWING CORP. | 1943 | 1947-1959 |
| MSLB | KEVIN S. CANDIES | OTTO CANDIES INC. | 1967 | 1967-1978 |
| MSLB | KEYWADIN (ATA 213) | U.S. NAVY | 1944 | 1980-2001 |
| MSLB | KILKENNY | GAELIC TUGBOAT COMPANY | 1942 | 1972-1973 |
| MSLB | KILLARNEY (2) | GAELIC TUGBOAT COMPANY | 1929 | 1974- |
| MSLB | KMBERLEY TURECAMO | TURECAMO MARITIME INC. | 1980 | 1995- |
| MSLB | KING PHILIP | PROVIDENCE STEAMBOAT | 1957 | 1957-1976 |
| MSU | KING TIDE | TIDEWATER INC. | 1967 | 1967-1980 |
| MSLB | KING's CHALLENGER | UNITED OFFSHORE TUG INC. | 1977 | 1978-1978 |
| MSLB | KING's KNIGHT | KING's KNIGHT INC. | 1977 | 1977-1980 |
| MSLB | KING's PAWN | KING's KNIGHT INC. | 1976 | 1976-1979 |
| MSLB | KING's SQUIRE | UNITED TUG OFFSHORE INC. | 1972 | 1972- |
| MSLB | KINGS POINT | CURTIS BAY TOWING CO. | 1956 | 1956- |
| MSLB | KINSMAN CONDOR | ST PHILIP TOWING INC. | 1995 | 1995-1998 |
| MSLB | KINSMAN EAGLE | BAY TRANSPORTATION CORP. | 1988 | 1988-1988 |
| MSLB | KINSMAN FALCON | KINSMAN TOWING INC. | 1990 | 1990-1993 |
| MSLB | KINSMAN VENTURE | HVIDE MARINE TOWING INC. | 1996 | 1996-2002 |
| MSLB | KIOWA (ATF 72) | U.S. NAVY | 1942 | 1942-1972 |
| MSLB | KITTIWAKE (ASR 13) | U.S. NAVY | 1945 | 1945-2000 |
| MSLB | KIVALINA | |||
| MSLB | KNAPPTON | KNAPPTON TOWBOAT CO. | ||
| MTSU | KODIAK I | PENROD DRILLING CO. | 1983 | 1983-1993 |
| MTSU | KODIAK II | PENROD DRILLING CO. | 1983 | 1983-1993 |
| MSLB | KOKA (ATA 185) | U.S. NAVY | 1944 | 1944-1944 |
| MSLB | KOOS KING | KNUTSON TOWING CO. | 1983 | 1983- |
| MSLB | KRISTEN LEE | OL SCHMIDT BARGE LINES INC. | 1945 | 1999-2000 |
| MSLB | KYLE SMITH | CRESCENT TOWING CO. INC. | 1959 | 1975-1991 |
| MSLB | L. A. OR(G)ERON | MONTCO INC. | 1976 | 1981- |
| SSLB | L.C. SABIN | GREAT LAKES TOWING CO. | 1908 | 1908-1941 |
| MSLB | L.E. STEWART | J. RAY McDERMOTT & CO. INC. | 1975 | 1975-1980 |
| SSLB | L.K. CHRISTIE | |||
| SSLB | L.M. COOLIDGE | UPPER COLUMBIA RIVER TOWING CO. | ||
| SSLB | L.M. WINSLOW | SHEEPSHOT PILOTS INC. | ||
| MDB | L.P. RUSSO | THREE R TOWING CO. | 1968 | 1968-1971 |
| SSLB | LA BOCA | PANAMA CANAL COMMISSION | 1907 | |
| MDB | LA SALLE | COMMERCIAL TRANSPORT CORP. | 1952 | 1952-1974 |
| MSLB | LACEY I | LACEY HARBOR CORP. | 1957 | 1966-1971 |
| SSLB | LACKWANNA | DELAWARE, LACK. & WEST. R.R. CO. | 1900 | 1900- |
| MDB | LADY DESIRE | UNIVERSAL TOWING CO. | 1960 | |
| MSLB | LAINOLOC | BRONX TOWING LINE | 1959 | 1959-1977 |
| MSLB | LAKE SUPERIOR | U.S. CORPS OF ENGINEERS | 1943 | |
| MSLB | LAMBERT POINT | CURTIS BAY TOWING CO. | 1949 | 1969-1986 |
| MSLB | LAMBERT POINT (1) | MORAN TOWING CORP. | 1940 | 1960-1970 |
| MSLB | LAMCO VI | LOUISIANA MARINE TUG CO. | 1978 | 1978-1979 |
| SSLB | LANCASTER | PENNSYLVANIA R.R. CO. INC. | 1902 | 1902- |
| SSLB | LAPWING | TAMPA SAND & SHELL CO. | ||
| MSLB | LARGO REMO | TEXACO INC. | 1976 | 1976-1996 |
| MDB | LASH EXPRESS | SAMBORN MARINE TOWING INC. | 1976 | 1976-1984 |
| SSLB | LATIN AMERICAN | THE TEXAS COMPANY | 1918 | 1918- |
| MSLB | LAURA HADEN | G. & H. OFFSHORE TOWING INC. | 1944 | 1944- |
| MSLB | LAURA HADEN | BAY-HOUSTON MARITIME IND. INC. | 1979 | 1986-1996 |
| MDB | LAUREN A. | HIGHLAND MARINE INC. | 1980 | 1999- |
| MSLB | LAURENCE C. TURNER | GREAT LAKES TOWING CO. | 1903 | 19 -1973 |
| MSLB | LAURIE ANN REINAUER | REINAUER TRANSPORATION CO. INC. | 1938 | |
| MSLB | LAWTON M. CALHOUN | ATLANTIC TOWING CO. | 1969 | 1969-1990 |
| MSLB | LEA MOE | PACIFIC TOWBOAT & SALVAGE CO. | 1942 | 1942- |
| MSLB | LEADER | CROWLEY MARITIME CORP. | 1998 | 1998- |
| MSU | LEAM CALIFORNIA | LEAM TRANSPORATION SERVICES | 1982 | 1982-1990 |
| MSU | LEAM FLORIDA | LEAM MARINE LTD. | 1982 | 1982-1989 |
| MSU | LEAM TEXAS | LEAM MARINE LTD. | 1982 | 1982-1990 |
| SSLB | LEE | LEE TRANSPORT CO. | 1919 | 1946-1949 |
| MSLB | LEE REUBEN | ESCANABA TOWING CO. | 1945 | 1967-1975 |
| MSU | LEGEND | OFFSHORE LOGISTICS INC. | 1976 | 1976- |
| MSLB | LEHIGH | BALTIMORE & OHIO R.R. CO. | 1953 | 1953-1977 |
| MSLB | LELA FOSS (2) | FOSS LAUNCH & TUG CO. | 1966 | 1966- |
| MSLB | LEONARD J. | RUSSEL TRIPP'S B.S.T. CO. | 1953 | |
| MSLB | LESLIE FOSS | FOSS LAUNCH & TUG CO. | 1944 | 1951-1969 |
| MSLB | LESLIE GEISMAR | THOMAS & THOMAS ENTERPRISES | 1975 | 1975-1989 |
| MDB | LESLIE VICKERS | VICKERS TOWING CO. INC. | 1973 | 1973-1977 |
| SSLB | LESTER J. GILLEN | HENRY GILLEN SONS | ||
| MSLB | LEWIS BOURGEOIS II | CITY OF NEW YORK | 1942 | 1964- |
| MSLB | LEWIS No. 8 | G. & F. CORPORATION | 1945 | 1947-1981 |
| MDB | LEWISTON | KNAPPTON TOWBOAT CO. | 1972 | 1973- |
| SSLB | LIBBIE | |||
| MSLB | LIBBY BLACK | GULFCOAST TRANSIT CORP. | 1966 | 1966- |
| MSLB | LIBBY ISLAND (MC1011) | U.S. DEPARTMENT OF COMMERSE | 1943 | 19 -1971 |
| SSLB | LIBERTY | JERSEY CENTRAL LINES | ||
| MSLB | LIBERTY | BOSTON TOWING INC. | 2003 | 2003- |
| MTSU | LIBERTY SERVICE | ZAPATA MARINE SERVICES | 1978 | 1978-1992 |
| MDB | LILIAN CLARK | THE VALLEY LINE | 1966 | 1966-1992 |
| MSLB | LILY M. GUIDRY | AMERICAN OFFSHORE FLEET | 1973 | 19 -1991 |
| MSLB | LIMMI BAY | |||
| MSLB | LINDA | ALLIED TOWING CORP. | 1944 | |
| MSLB | LINDA | FEEDER LINE TOWING SERVICE INC. | 1946 | |
| MDSLB | LINDA STEWART | INLAND GULF TOWING INC. | 1944 | 1974-2001 |
| MSLB | LINDA TAGGART | AGRICO SHIPPING INC. | 1976 | 1988-1994 |
| SSLB | LINDEN | PANNSYLVANIA R.R. CORP. INC. | 1944 | |
| MSLB | LINDSEY FOSS | FOSS LAUNCH & TUG CO. | 1994 | 1944- |
| SSLB | LION | CORNELL STEAMBOAT CO. | 1924 | 1924- |
| MSU | LION | PENROD DRILLING CO. | 1970 | 1970-1979 |
| MDB | LITTLE HILTON | HILTON TOWING CO. | 1977 | 1985-1990 |
| MSLB | LLOYD B. GORE | ISLAND TUG & BARGE LTD. | 1945 | 1952-1971 |
| SSLB | LLOYD H. DALZELL | DALZELL TOWING CO. INC. | 1927 | |
| MSLB | LLOYD M. DeFELICE | DeFELICE MARINE CONTR. INC. | 1978 | 1979-19 |
| SSLB | LOBNE | |||
| SSLB | LOBO | |||
| MSLB | LOBO | AMERICAN NAVIGATION INC. | 1964 | 1990-1992 |
| MTSU | LODRIGUE TIDE | TIDEWATER INC. | 1983 | 183- |
| MSLB | LOIS H. | BOYER TOWING CO. | 1986 | 1986- |
| MSLB | LONE STAR | AMERICAN DREDGING CO. | 1949 | |
| SSLB | LONG BEACH | JERSEY CENTRAL LINES | ||
| MSLB | LONG BEACH | CATELINA ISLAND STEAMSHIP LINE | 1943 | 194 -195 |
| MSLB | LONG BEACH | WILMINGTON TRANSPORATION CO. | 1943 | 195 - |
| MSU | LONG TIDE | TIDEWATER NAVIGATORS INC. | 1964 | 1964-1984 |
| SSLB | LORINA | GREAT LAKES TOWING CO. | ||
| SSLB | LORNA FOSS | FOSS LAUNCH & TUG CO. | 1903 | 1928-1958 |
| MSLB | LORNA FOSS (3) | FOSS LAUNCH & TUG CO. | 1944 | 19 -1990 |
| MSLB | LORNA M. | HAWAIIAN CONSTR. & DRYDOCK CO. | ||
| MSLB | LOS ANGELES | CATELINA ISLAND STEAMSHIP LINE | 1943 | |
| SSLB | LOUIE BLACK | WILMINGTON TRANSPORATION CO. | ||
| SSLB | LOUISE II | ELLIOT BAY TOWING CO. | ||
| MSLB | LOW TIDE | TIDEWATER NAVIGATORS INC. | 1956 | 1980-1991 |
| MSLB | LOWER T | THUMS LONG BEACH | 1966 | 1966- |
| MSLB | LT 118 | U.S. ARMY | 1943 | 1943-1948 |
| MSLB | LT 119 | U.S. ARMY | 1943 | 1943- |
| MSLB | LT 141 | U.S. ARMY | 1943 | 1943- |
| MSLB | LT 142 | U.S. ARMY | 1943 | 1943- |
| MSLB | LT 371 | U.S. ARMY | 1944 | 1944- |
| MSLB | LT 536 | U.S. ARMY | 1944 | 1944-1947 |
| MSLB | LT 578 | U.S. ARMY | 1944 | 1944-1945 |
| MSLB | LT 651 | U.S. ARMY | 1944 | 1944- |
| MSLB | LT 788 | U.S. ARMY | 1944 | 1944-1959 |
| MSLB | LT 1970 | U.S. ARMY | 1953 | 1953-2003 |
| MSLB | LT 1973 | U.S. ARMY | 1953 | 1953-2002 |
| MSLB | LT 2075 | U.S. ARMY | 1954 | 1954-1984 |
| MSLB | LT 2085 | U.S. ARMY | 1955 | 1955- |
| SSLB | LUDINGTON PATTON | CURTIS BAY TOWING CO. | 1919 | 1919-19 |
| MSLB | LUDWIG CANDIES | OTTO CANDIES INC. | 1974 | 1944-1981 |
| MSLB | LUISENO (ATF 156) | U.S. NAVY | 1945 | 1945-1975 |
| SSLB | LUMBERMAN | SAMSON TUG & BARGE CO. INC. | ||
| MSLB | LUNA | BOSTON TOWBOAT CO. | 1930 | 1930- |
| MSLB | LUNA | PORTLAND TUG & BARGE CO. | 1943 | 19 -1955 |
| MSLB | LUXOR | GULF MISSISSIPPI MARINE | ||
| SSLB | LUZERNE | OLSON WATER & TOWING CO. | 1899 | 1900- |
| S/MSLB | M.B. COPPEDGE | MORAN TOWING CORP. | 1883 | 1975-1980 |
| SSLB | M.J. CARROLL | CARROLL TOWING CO. LTD. | ||
| MSLB | M.L. WALKER | GVT. OF UNITED STATES OF AMERICA | 1977 | 1977- |
| SSLB | M. MITCHEL DAVIS | PISCATAQUA RIVER TOWING INC. | 1897 | 1897- |
| MSLB | M. MORAN | MORAN TOWING CORP. | 1942 | 1946-1948 |
| S/MSLB | M. MORAN (3) | MORAN TOWING CORP. | 1912 | 1912-1916 |
| SSLB | M. MORAN (4) | MORAN TOWING CORP. | 1919 | 1920-1925 |
| MSLB | M. MORAN (5) | MORAN TOWING CORP. | 1940 | 1955-1960 |
| MSLB | M. MORAN (6) | MORAN TOWING CORP. | 1961 | 1972-2000 |
| MSLB | MABEL S. | JACKSON MARINE CORP. | 1945 | 1964-1967 |
| SSLB | MADISON | DEL., LACK. & WESTERN R.R. CO. | 1906 | 1906-19 |
| MSLB | MADRONA | OLSON TUG BOAT CO. | 1923 | 1923- |
| SSLB | MAGIC | 1893 | 1893- | |
| SSLB | MAGNOLIA | MAGNOLIA PETROLEUM CO. | 1916 | 1916- |
| MSLB | MAHOE II | HAWAIIAN TUG & BARGE CO. | 1963 | 1963- |
| SSLB | MAHOGANY KING | BRAYARD MARINE TRANSPORT | 1904 | |
| SSLB | MAINE | MORAN TOWING CORP. | 1917 | 193 -1951 |
| MSLB | MAINE | GREAT LAKES TOWING CO. | 1921 | 1921-1982 |
| MSU | MAJESTIC TIDE | TIDEWATER GRAND ISLE INC. | 1982 | 1982- |
| SSLB | MAJOR FRASER | |||
| MSLB | MAKAH | ALASKA BARGE & TRANSP. INC. | 1944 | 1966-1969 |
| MSLB | MAL OLO | DUNLOP TOWING CORP. | 1975 | 1982- |
| MSLB | MALAMA II | OAHU RAILWAY & LAND CO. | 1959 | 1959- |
| MSLB | MALIE | OAHU RAILWAY & LAND CO. | 1958 | 1958- |
| MSU | MAMMOTH | PENROD DRILLING CO. | 1971 | 1971-1991 |
| MTSU | MAMMOTH TIDE | TIDEWATER INC. | 1973 | 1973- |
| MSLB | MAMO | HAWAIIAN TUG & BARGE CO. | 1931 | 19 -1977 |
| MSLB | MAMO | HAWAIIAN TUG & BARGE CO. | 1997 | 1997- |
| MSLB | MANATEE | HVIDE MARINE INC. | 1959 | 1999- |
| SSLB | MANHATTAN | MANHATAN LIGHTERING CO. | 1900 | |
| MSLB | MANITOU (WYTM 60) | U.S. COASTGUARD | 1942 | 1942- |
| MSLB | MANTA | G. & H. OFFSHORE TOWING INC. | 1965 | 1965- |
| SSLB | MANTEO | |||
| MSLB | MANUOKEKAI | HAWAIIAN TUG & BARGE CO. | 1977 | 1989- |
| SSLB | MANZANITA | OLSON TUG BOAT CO. | 1899 | 1899- |
| MSLB | MARATHON | SUDERMAN & YOUNG TOWING CO. | 1945 | 1947-1978 |
| MSLB | MARCI MORAN | MORAN TOWING CO. | 1999 | 1999- |
| MSLB | MARCUS HOOK SUN | SUN OIL CO. | 1967 | 1978-1999 |
| SSLB | MAREN LEE | LEE & SIMMONS | 1916 | 1916- |
| SSLB | MARGARET A. | |||
| MORAN (2) | MORAN TOWING CO. | 1920 | 1954-1959 | |
| MSLB | MARGARET B. | |||
| MSLB | MARGARET C. | FIRST. NAT. BANK OF CHICAGO | 1958 | 1978-1981 |
| MDB | MARGARET D. | L. & S. INDUSTRIAL & MARINE INC. | 1963 | 1997- |
| MSLB | MARGARET FOSS (2) | FOSS LAUNCH & TUG CO. | 1943 | 1966-1968 |
| MSLB | MARGARET FOSS (3) | FOSS LAUNCH & TUG CO. | 1963 | 1974-1989 |
| MSLB | MARGARET GEORGE | DAPTCO MARINE CORPORATION | 1976 | 1976-1988 |
| SSLB | MARGARET L. MESECK | MESECK TOWING & TRANS. CO. INC. | 1920 | 19 -1954 |
| MDSLB | MARGARET M.HANNAH | HANNAH MARINE INC. | 1956 | |
| SSLB | MARGARET M. | |||
| McALLISTER | McALLISTER BROS. INC. | 1928 | 1949- | |
| SSLB | MARGARET MEARS | |||
| MSLB | MARGARET MORAN (1) | MORAN TOWING CO. | 1961 | 1961-1963 |
| MSLB | MARGARET MORAN | MORAN TOWING CO. | 1979 | 1979- |
| SSLB | MARGARET OLSEN | STEAMTUG MARGARET OLSEN INC. | 1905 | 19 -1950 |
| MSLB | MARGARET SHERIDAN | SHERIDAN TOWING CO. INC. | 1945 | 1946-1951 |
| MSLB | MARGARET WALSH | MOBILE TOWING & WRECKING CO. | 1943 | 1957-1966 |
| MSLB | MARGOT MORAN (1) | MORAN TOWING CO. | 1942 | |
| MSLB | MARGOT MORAN (2) | MORAN TOWING CO. | 1958 | 1962-1992 |
| MSLB | MARIA | |||
| MDB | MARIAN HAGESTAD | CANAL BARGE CO. INC. | 1968 | 1968- |
| SSLB | MARIANNE | BRONX TOWING LINE INC. | 1904 | |
| MSLB | MARIE G. SMITH | CRESCENT TOWAGE & SALVAGE | 1958 | 1958- |
| MSLB | MARIE J. TURECAMO | TURECAMO TOWING CO. | 1952 | 1952-2005 |
| MSLB | MARIE J. TURECAMO | MORAN TOWING & TRANS. CO. | 1968 | 1997- |
| MSLB | MARIE MORAN | MORAN TOWING CO. | 1950 | 1963-1984 |
| SSLB | MARIE OLSEN | OLSEN WATER & TOWING CO. | 19 -1916 | |
| MSLB | MARIE S. MORAN (1) | MORAN TOWING CO. | 1936 | 1936-1962 |
| MSLB | MARIE S. MORAN | MORAN TOWING CO. | 1961 | 1961-1963 |
| MSLB | MARILYN | WATERMAN TUG & BARGE | 1925 | |
| MSLB | MARINE CONSTRUCTOR | LABOR EQUIPMENT FINANCE INC. | 1945 | 1981-1982 |
| MSLB | MARINE DEVELOPER | UNITED MARINE TUG & BARGE INC. | 1954 | 1984-1991 |
| MSLB | MARINE EXPORTER | UNITED MARINE TUG & BARGE INC. | 1954 | 1984-1992 |
| MSLB | MARINE FREEDOM | HUEY J. CHERAMIE MARINE INC. | 1978 | 1995-2004 |
| MSLB | MARINER | |||
| MSLB | MARINER | SUDERMAN & YOUNG TOWING CO. | 1954 | 1947-1974 |
| MDB | MARINER | UNION MECHLING CORP. | 1961 | 1961-1973 |
| MSLB | MARINER | CORWLEY MARITIME CORP. | 1977 | 1977- |
| MSLB | MARION | ERIE-LACKAWANNA RAILROAD CO. | 1953 | 1953-1977 |
| SSLB | MARION A.C. MESECK | MESECK TOWING & TRANS.CO. INC. | 1929 | 1929-1954 |
| SSLB | MARION MORAN | MORAN TOWING CORPORATION | 1888 | 1925-1948 |
| MSLB | MARION MORAN (2) | MORAN TOWING CORPORATION | 1943 | 1947-1964 |
| MSLB | MARION MORAN (3) | MORAN TOWING CORPORATION | 1965 | 1965-1970 |
| MSLB | MARION MORAN | MORAN TOWING CORPORATION | 1982 | 1982- |
| MSLB | MARJORIE B. | |||
| McALLISTER | McALLISTER BROS. INC. | 1974 | 1974-1978 | |
| MSLB | MARJORIE J. WINSLOW | SHEEPSCOT PILOTS INC. | 1944 | 1977- |
| MSU | MARK HANNAH | HANNAH BROTHERS INC. | 1969 | 1993- |
| MSLB | MARK McALLISTER | McALLISTER BROS. INC. | 1967 | 1980- |
| MSLB | MARLIN | MARLIN OIL TANKER CO. | 1976 | 1993- |
| MSLB | MARLIN | MARLIN TOWING CO. INC. | 1956 | 1956- |
| MSLB | MARLIN | GULFSHORE TOWING CO. | ||
| MSLB | MARRADDE VI | STAR TOWING CORP. | ||
| MSLB | MARS | INTRACOASTAL T. & T. CORP. | 1967 | 1967-1988 |
| S/MSLB | MARS | HVIDE SHIPPING INC. | 1916 | 1977- |
| MSLB | MARS | BOSTON TOWBOAT CO. | 1958 | 1958- |
| MSLB | MARS | PUGET SOUND TUG & BARGE CO. | 1970 | 1970- |
| MSLB | MARTHA FOSS (2) | FOSS LAUNCH & TUG CO. | 1944 | 1951-1966 |
| MSLB | MARTHA FOSS | FOSS LAUNCH & TUG CO. | 1968 | 1968- |
| SSLB | MARTHA M. | NATIONAL BOAT CORP. | ||
| SSLB | MARTHA MORAN | MORAN TOWING CORPORATION | 1936 | 1955-1990 |
| MDB | MARTHA R. INGRAM | OLYMPUS SHIPPING CO. | 1983 | 1989-2004 |
| MSLB | MARTHA THERIOT | NOLTY J. THERIOT INC. | 1966 | 1966-1972 |
| MSLB | MARTHA THERIOT | NOLTY J. THERIOT INC. | 1974 | 1974-1984 |
| MSLB | MARTIN | ALASKA FREIGHT LINES | 1944 | 1955- |
| MSLB | MARTY DeFELICE | DeFELICE MARINE CONTR. INC. | 1974 | 1974-1979 |
| MSLB | MARY BELCHER | BELCHER TOWING CO. | 1975 | 1977-1989 |
| MSLB | MARY C. | AMERICAN TOWBOAT CORP. | ||
| MSLB | MARY E. HOLMES | EATERN MAIN TOWING CO. | ||
| SSLB | MARY E. MESECK | MESECK TOWING & TRANS.CO. INC. | 1924 | 1924- |
| MSLB | MARY ELIZABETH | LITTLE JOHN CORP. | 1943 | 1964-1971 |
| SSLB | MARY F. SCULLY | NEPTUNE LINE INC. | 1888 | 1920-1921 |
| SSLB | MARY F. SCULLY | T.J. SCULLY TRANSPORT CO. | 1908 | 1909-1916 |
| MSLB | MARY FOSS | FOSS LAUNCH & TUG CO. | 1944 | 1957-1982 |
| SSLB | MARY H. BOWEN | |||
| MSLB | MARY L. McALLISTER | McALLISTER BROS. INC. | 1939 | 1941-1981 |
| MSLB | MARY MORAN (1) | MORAN TOWING CORP. | 1941 | 1945-1977 |
| MSLB | MARY MORAN (2) | MORAN TOWING CORP. | 1977 | 1977- |
| SSLB | MARY P. McKENNA | MESECK T. & T. CO. INC. | 1924 | 1941- |
| MDB | MARY ROSE | IMPERIAL TOWING INC. | 1984 | 1984- |
| SSLB | MARY T. TRACY | SEABOARD TOWING LINE INC. | 1919 | |
| MSU | MARY THERIOT | NOLTY J. THERIOT INC. | 1964 | 1964-19 |
| MSLB | MARY TURECAMO | MARY TURECAMO INC. | 1958 | 1964-1982 |
| MSLB | MARYLAND | GREAT LAKES TOWING CO. | 1925 | 1925-1982 |
| MSLB | MASCOUTAH (YTB 772) | U.S. NAVY | 1964 | 1964-1986 |
| MSLB | MASTER | D. & V. BOAT CO. INC. | 1954 | 1993- |
| MSLB | MASTER | CROWLEY MARITIME CORP. | 1998 | 1998- |
| MSU | MASTODON | PENROD DRILLING CO. | 1970 | 1970-1991 |
| MSLB | MATACO | U.S. NAVY | 1942 | 1942-1977 |
| MDB | MATAGORDA | |||
| SSLB | MATHIESON | |||
| S/MSLB | MATHILDA FOSS | FOSS LAUNCH & TUG CO. | 1909 | 1946- |
| MDB | MATT S. | MARINE TRANSPORTATION CO. | 1987 | 1987-1992 |
| SSLB | MATTHEW J. BOYLE | BOSTON FIRE DEPARTMENT | 1931 | 1931-19 |
| SSLB | MATTON 10 | JOHN E. MATTON & SON INC. | 1903 | |
| SSLB | MATTON 20 | BERG. TOWING CO. | 1913 | |
| SSLB | MATTON 20 | JOHN E. MATTON & SON INC. | 1913 | |
| SSLB | MATTON 21 | JOHN E. MATTON & SON INC. | ||
| MSLB | MAUNA LOA | STAR & CRESC. TOWBOAT CO. | 1963 | 1963-1968 |
| MSLB | MAUREEN MORAN | MORAN TOWING CORP. | 1966 | 1977-1981 |
| MSLB | MAY | ATLANTIC GULF & PACIFIC CORP. | 1935 | 1935- |
| MSU | MAYA | TIDEWATER VENICE INC. | 1961 | 1961- |
| MSLB | McALLISTER BOYS | McALLISTER BROS. INC. | 1976 | 1976-1978 |
| MSLB | McALLISTER BROS. | McALLISTER BROS. INC. | 1958 | 1971- |
| MSLB | McALLISTER GIRLS | McALLISTER BROS. INC. | 1976 | 1976-1978 |
| MSLB | McALLISTER SISTERS | McALLISTER BROS. INC. | 1977 | 1977- |
| SSLB | McGUIRL BROTHERS | SHAMROCK TOWING CO. | 1908 | 1955- |
| SSLB | MEITOWAX | PENNSYLVANIA RAILROAD CO. INC. | ||
| MSLB | MELIA FOSS | FOSS LAUNCH & TUG CO. | 1966 | 1966- |
| SSLB | MELVILLE | |||
| MSLB | MELVIN E. | |||
| LEMMERHIRT | GREAT LAKES DREDGE & DOCK CO. | 1973 | 1973- | |
| SSLB | MEMPHIS | ATLANTIC & DANVILLE RAILWAY | ||
| MSLB | MENOMINEE (ATF 73) | U.S. NAVY | 1942 | 1942-1961 |
| MSLB | MENOMINEE (YTB 790) | U.S. NAVY | 1967 | 1967-2000 |
| MSLB | MERCURY | CROWLEY MARINE SERVICE INC. | 1966 | 19 -2000 |
| MSLB | MESSENGER | SUDERMAN & YOUNG TOWING CO. | 1951 | 1951-1984 |
| SSLB | METROPOLITAN No. 1 | METROPOLITAN SAND & GRAVEL CO. | 1929 | |
| SSLB | METROPOLITAN No. 2 | METROPOLITAN SAND & GRAVEL CO. | 1927 | |
| SSLB | MEXPET | MEXICAN PETROLEUM CORP. | 1915 | 1915-1954 |
| MSLB | MI OI | HAWAIIAN TUG & BARGE CO. LTD. | 1980 | 1980-2001 |
| MSLB | MICHAEL | ALASKA FREIGHT LINES INC. | 1944 | 1951-1969 |
| MSLB | MICHAEL MORAN (2) | MORAN TOWING CORP. | 1913 | 1946-1960 |
| MSLB | MICHAEL TRACY | MANHATTAN OIL TRANS. | 1953 | 19 -1980 |
| MSLB | MICHAEL TURECAMO | TURECAMO INC. | 1978 | 1978-1981 |
| MDSLB | MICHELE A. DeFELICE | DEFELICE MARINE CONT. | 1957 | 1957-19 |
| MDB | MICHELLE G | |||
| MDB | MICHELLE MARTIN | MARTIN LOGICON ENERGY CO. | 1950 | 1973-1973 |
| MSU | MIGHTY TIDE | TIDEWATER INC. | 1983 | 1983- |
| MSLB | MIKI HANA | SAUSE BROS OCEAN TOWING CO. | 1970 | 1990- |
| MSLB | MIKIALA | HAWAIIAN TUG & BARGE CO. LTD. | 1944 | 1969- |
| MSLB | MIKI-MIKI | DOUG LOGAN | 1943 | 1982- |
| SSLB | MIKIMIKI | HAWAIIAN TUG & BARGE CO. LTD. | 1929 | 1977- |
| MSLB | MIKIONA | HAWAIIAN TUG & BARGE CO. LTD. | 1965 | 1965-1981 |
| MSU | MILANO SERVICE | ZAPATA MARINE SERVICE LTD. | 1968 | 1968-1986 |
| SSLB | MILTON | OLSEN TOWING LINE | ||
| SSLB | MINNESOTA | GREAT LAKES CO. | 1911 | 1911- |
| SSLB | MIRAFLORES | BAY-HOUSTON TOWING CO. INC. | 1910 | 1910- |
| MSLB | MIRIAM | BOSTON FUEL TRANS. CO. | 1956 | 1979- |
| MSLB | MIRIAM M. DeFELICE | DEFELICE MARINE CONT. | 1974 | 1974-1979 |
| MSLB | MIRIAM MORAN | MORAN TOWING CORP. | 1979 | 1979- |
| MSLB | MIRIAM WALMSLEY | CRESCENT TOWING CO. | 1958 | 1995- |
| COOPER | ||||
| MSLB | MISHAWAKA (YTB 764) | U.S. NAVY | 1963 | 1963- |
| MDB | MISS LAURIE | 4-K MARINE LLC. | 1993 | 1993- |
| MSLB | MISS LYNN | F & S BOAT CORP. | 1972 | 1972-1978 |
| MSLB | MISS MILDRED | F & S BOAT CORP. | 1972 | 1972-1977 |
| MSLB | MISS NATALIE | F & S BOAT CORP. | 1976 | 1976-1978 |
| MDB | MISSISSIPPI | ARMY CORPS OF ENGINEERS U.S. | 1993 | 1993- |
| MSLB | MISSOURI | GREAT LAKES TOWING CO. | 1916 | 1916-1983 |
| MSLB | MISTER ANDRE | JACKSON MARINE CORP. | 1976 | 1976-1995 |
| MSLB | MISTER BOB | JACKSON MARINE CORP. | 1974 | 1974-1980 |
| MSLB | MISTER CAP | F & S BOAT CORP. | 1973 | 1973- |
| MSLB | MISTER CHIP | JACKSON MARINE CORP. | 1975 | 1975-1984 |
| MSLB | MISTER CHARLIE | JACKSON MARINE CORP. | 1976 | 1976-1995 |
| MSLB | MISTER DARBY | JACKSON MARINE CORP. | 1977 | 1977-1992 |
| MSLB | MISTER FRED | JACKSON MARINE CORP. | 1975 | 1975-1992 |
| MSLB | MISTER HAROLD | JACKSON MARINE CORP. | 1971 | 1971-1995 |
| MSLB | MISTER JACKSON | JACKSON MARINE CORP. | 1977 | 1977-198 |
| MSLB | MISTER JEAN | JACKSON MARINE CORP. | 1976 | 1976-1992 |
| MSLB | MISTER JIM | JACKSON MARINE CORP. | 1976 | 1976-1993 |
| MSLB | MISTER JON | JACKSON MARINE CORP. | 1974 | 1974-1992 |
| MSLB | MISTER LOU | JACKSON MARINE CORP. | 1968 | 1968-19 |
| MDB | MISTER MAC | McDONOUGH MARINE SERVICE | 1981 | 1984-2000 |
| MSLB | MISTER MATT | JACKSON MARINE CORP. | 1976 | 1976-1993 |
| MSLB | MISTER MIKE | JACKSON MARINE CORP. | 1970 | 1970-1993 |
| MSLB | MISTER PETE | JACKSON MARINE CORP. | 1976 | 1976-1999 |
| MSLB | MISTER RANDY | JACKSON MARINE CORP. | 1978 | 1978-1992 |
| MSLB | MISTER RICHARD | JACKSON MARINE CORP. | 1970 | 1970-1988 |
| MSLB | MISTER ROBERT | JACKSON MARINE CORP. | 1971 | 1971-19 |
| MSLB | MISTER T | A.P. FRANZ | 2002 | 2002- |
| MSLB | MITZI ALARIO | THERIOT INC. NOLTY J. | 1969 | 1969- |
| MSLB | MOBIL 1 | MOBIL OIL CORP. | 1971 | 1971-1992 |
| MSLB | MOBIL 2 | MOBIL OIL CORP. | 1973 | 1973-1992 |
| MSLB | MOBIL 8 | MOBIL OIL CORP. | 1960 | 1960-1991 |
| MSLB | MOBIL 10 | MOBIL OIL CORP. | 1948 | 1960-1974 |
| MSLB | MOBILE POINT | SEABULK INTERNATIONAL INC. | 1954 | 19 - |
| MSLB | MOCTOBY (AFT 105) | U.S. NAVY | 1944 | 1944- |
| MSLB | MODOC | RIVER LINES INC. | 1970 | 1970-1972 |
| MSLB | USGC MODOC | U.S. COAST GUARD | 1944 | 1959-1979 |
| (WMEC 194) | ||||
| MSLB | MOGUL | CROWLEY LAUNCH & TUG BOAT | ||
| CORP. | ||||
| MSLB | MOHAWK | PACIFIC INLAND NAVIGATION | 1943 | 1959-1976 |
| MSLB | MOHAWK (T-AFT 170) | U.S. NAVY | 1980 | 1980- |
| S/MSLB | MOI | HAWAIIAN TUG & BARGE CO. LTD. | 1953 | 1953-1978 |
| MSLB | MOIRA MORAN | MORAN TOWING CORP. | 1965 | 1975- |
| SSLB | MOLALA (AFT 106) | U.S. NAVY | 1942 | 1942-1978 |
| MSLB | MONARCH | PUGET SOUND TUG & BARGE CO. | 1944 | 19 -1977 |
| MSU | MONARCH | OFFSHORE LOGISTICS SERVICE INC. | 1970 | 1970-1975 |
| SSLB | MONOHON | |||
| MSLB | MONITOR | SAN DIEGO TRANSPORTATION CO. | 1975 | 1975- |
| SSLB | MONTCLAIR | DELAWARE LACK. & WEST. R.R. CO. | 1903 | 1903- |
| MSLB | MONTERUMA (YT 145) | U.S. NAVY | 1941 | 1941-1976 |
| MTSU | MOON TIDE | TIDEWATER TRADERS INC. | 1977 | 1977-1980 |
| MSU | MOOREAN COMMAND | COMMAND MARINE INC. | 1980 | 1980-1988 |
| MSLB | MOOSE PEAK | MORAN TOWING CORP. | 1943 | 19 -1973 |
| MSLB | MORANIA No. 2 | MORANIA 18 INC. | 1971 | 1986-2001 |
| MSLB | MORANIA No. 3 | DREDGING EQUIPMENT INC. | 1973 | 1990-1999 |
| MSLB | MORANIA 4 | PENN MARITIME INC. | 1973 | 2001- |
| MSLB | MORANIA No. 6 | MORANIA INC. | 1970 | 1994-1999 |
| MSLB | MORANIA No. 16 | MORANIA TOWING | 1966 | 1966-1984 |
| MSLB | MORANIA No. 18 | MORANIA No. 18 INC. | 1968 | 1968-1986 |
| MSLB | MORGAN BAY | MORGAN BAY TOWING INC. | 2004 | 2004- |
| SSLB | MORPET | MORAN TOWING CORP. | ||
| MSLB | MORRETES | SINIMAR S.A. DE C.M.C. | 1956 | 1956-1956 |
| MSLB | MORTON | |||
| S. BOUCHARD JR. | BOUCHARD TRANSP. CO. INC. | 1975 | 1981- | |
| MSLB | MOSOPELEA (ATF 158) | U.S. NAVY | 1945 | 1945-1979 |
| MSU | MR. MACK | SHIPPING MARINE SERVICES | 1954 | 1975 |
| MSU | MR. RED | 1949 | 19 -1974 | |
| MSLB | MR. TOUP | ODYSSEA MARINE | 1979 | 1979- |
| MSU | MULLIGAN | EASTERN BECHTEL CORP. | 1974 | 19 -1980 |
| SSLB | MUNSEE (ATF 107) | U.S. NAVY | 1943 | 1943-1969 |
| MSLB | MURRAY | |||
| MSLB | MUSKEGON (YTB 763) | U.S. NAVY | 1963 | 1963- |
| MDB | MUSTANG | WATERWAYS MARINE INC. | 1969 | 1969-1970 |
| MTSU | MYERS TIDE | TIDEWATER RESOURCES INC. | 1979 | 1981- |
| MSLB | MYRTLE | KNAPPTON TOWBOAT COM. | ||
| MSLB | MYRTLE FOSS (1) | FOSS LAUNCH & TUG CO. | 1909 | 1940-1962 |
| MSLB | MYRTLE FOSS (2) | FOSS LAUNCH & TUG CO. | 1966 | 1966- |
| S/MSLB | N.R. COPPEDGE | W.T. COPPEDGE & SON | 1914 | 1963-1976 |
| SSLB | NAHOKE (YTM 536) | U.S. NAVY | 1945 | 1945-1985 |
| MSLB | NAIEF JACKS | JACKSON MARINE CORP. | 1974 | 1974- |
| MSLB | NAN | R.J. GUIDRY INC. | 1966 | 1966- |
| MSLB | NAN II | NAN II INC. | 1974 | 1974-1977 |
| MSLB | NANCY FOSS (1) | FOSS LAUNCH & TUG CO. | 1907 | 1939-1975 |
| MSLB | NANCY McALLISTER | McALLISTER BROS. INC. | 1951 | 1963-1990 |
| MSLB | NANCY McALLISTER | McALLISTER TOWING & TRANSP. | 1984 | 1986- |
| MSLB | NANCY MORAN (3) | MORAN TOWING CORP. | 1942 | 1942-1957 |
| MSLB | NANCY MORAN (4) | MORAN TOWING CORP. | 1958 | 1958-2002 |
| MSLB | NANTICOKE (YTB 803) | U.S. NAVY | 1970 | 1970-2001 |
| MSLB | NANUQ | CROWLEY MARINE SERVICE | 1999 | 1999- |
| MSLB | NARAKI TIDE | TIDEWATER MARINE INC. | 1976 | 1992- |
| MSLB | NARRAGANSETT | U.S. NAVY | 1979 | 1979-2002 |
| MSLB | NASHWAAK | |||
| MSLB | NATAHKI (YTB 398) | U.S. NAVY | 1944 | 1944-1987 |
| MSLB | NATHAN HAYWARD | AMERICAN DREDGING CO. | 1931 | 1931-1994 |
| SSLB | NATHANIEL P. DOANE | DALZELL TOWING CO. INC. | ||
| MSLB | NATIONAL | SOHIO PETROLEUM CO. | 1941 | 1959- |
| SSLB | NAUTIC | BOSTON TOW BOAT CO. | ||
| SSLB | NAVAJO | TWENTY GRAND MARINE SERV. INC. | 1944 | 1962- |
| MSLB | NAVAJO (T-ATF 169) | U.S. NAVY | 1980 | 1980- |
| MSLB | NAVASOTA | OFFSHORE LOGISTICS SERV. INC. | 1968 | 1973-1978 |
| MSLB | NAVESINK (WYT 88) | U.S. COAST GUARD | 1935 | 1935-1944 |
| MSLB | NAVIGATOR | UNION BARGE LINE CORP. | 1961 | 1961-1973 |
| MSLB | NAVIGATOR | SAN DIEGO TRANSPORTATION CO. | 1975 | 1975- |
| MSLB | NAZARETH | DELAWARE, L & W. R.R. CO. | 1957 | 19 - |
| MIJSBR | NEAH BAY (WTGB 105) | U.S. COAST GUARD | 1980 | 1980- |
| SSLB | NEBRASKA | GREAT LAKES TOWING CO. | 1929 | 1929- |
| MSLB | NECHES | TRINITY BOAT CO. INC. | 1969 | 1969-1977 |
| MSLB | NED FERRY | CRESCENT TOWING CO. INC. | 1959 | 1991- |
| SSLB | NED MORAN (1) | MORAN TOWING CORP. | 1895 | 1948-1949 |
| MSLB | NEILL McALLISTER | McALLISTER BROS. INC. | 1957 | 1968- |
| SSLB | NELL FOSS | FOSS LAUNCH & TUG CO. | ||
| S/MSLB | NEPTUNE | ST. PHILIP TOWING CO. | ||
| MSLB | NEPTUNE | McALLISTER BROS. INC. | 1953 | |
| MSLB | NEPTUNE | MEYLE TOWING CO. INC. | 1953 | 1973- |
| MSLB | NEPTUNE | PUGET SOUND TUG & BARGE CO. | 1956 | 1956- |
| SSLB | NEVADA | GREAT LAKES TOWING CO. | ||
| MSLB | NEW HAMPSHIRE | GREAT LAKES TOWING CO. | 1951 | 1990-2000 |
| SSLB | NEW MEXICO | GREAT LAKES TOWING CO. | 1910 | 1910- |
| MSLB | NEW RIVER | PORT EVERGLADES TOWING CO. | 1997 | 1997- |
| SSLB | NEW YORK | SALVAGE PROGRESS CORP. | 1897 | 1941- |
| SSLB | NEW YORK | GREAT LAKES TOWING CO. | 1913 | 1913- |
| SSLB | NEW YORK | NEW YORK CENTRAL R.R. CO. | ||
| SSLB | N.Y. CENTRAL No. 01 | NEW YORK CENTRAL R.R. CO. | 1901 | 1901- |
| MSLB | N.Y. CENTRAL No. 03 | NEW YORK CENTRAL R.R. CO. | 1891 | 1884-1912 |
| SSLB | N.Y. CENTRAL No. 09 | NEW YORK CENTRAL R.R. CO. | 1916 | 1916-1958 |
| SSLB | N.Y. CENTRAL No. 10 | NEW YORK CENTRAL R.R. CO. | 1900 | 1900- |
| SSLB | N.Y. CENTRAL No. 12 | NEW YORK CENTRAL R.R. CO. | ||
| SSLB | N.Y. CENTRAL No. 14 | NEW YORK CENTRAL R.R. CO. | 1916 | 1916- |
| SSLB | N.Y. CENTRAL No. 15 | NEW YORK CENTRAL R.R. CO. | 1909 | 192 - |
| SSLB | N.Y. CENTRAL No. 16 | NEW YORK CENTRAL R.R. CO. | 1924 | 1924-1968 |
| SSLB | N.Y. CENTRAL No. 18 | NEW YORK CENTRAL R.R. CO. | 1913 | 1913- |
| SSLB | N.Y. CENTRAL No. 24 | NEW YORK CENTRAL R.R. CO. | ||
| SSLB | N.Y. CENTRAL No. 25 | NEW YORK CENTRAL R.R. CO. | 1908 | 1908- |
| SSLB | N.Y. CENTRAL No. 27 | NEW YORK CENTRAL R.R. CO. | 1910 | 1910-1962 |
| SSLB | N.Y. CENTRAL No. 30 | NEW YORK CENTRAL R.R. CO. | 1923 | 1923-197 |
| SSLB | N.Y. CENTRAL No. 31 | NEW YORK CENTRAL R.R. CO. | 1923 | 1923-197 |
| SSLB | N.Y. CENTRAL No. 33 | NEW YORK CENTRAL R.R. CO. | 1926 | 1926-1945 |
| SSLB | N.Y. CENTRAL No. 34 | NEW YORK CENTRAL R.R. CO. | ||
| SSLB | N.Y. CENTRAL No. 35 | NEW YORK CENTRAL R.R. CO. | ||
| SSLB | NEWARK | DELAWARE, L & W R.R. CO. | ||
| MSLB | NEWARK | TRANSFUEL INC. | 1915 | |
| MSLB | NEWARK SUN | SUN BARGE CO. | 1966 | 1966-1988 |
| MSLB | NEWCASTLE | TUG KILLARNEY INC. | 1950 | 1990-1993 |
| MSLB | NEWCASTLE | PORTSMOUTH TOWING CO. | 1943 | 1964- |
| MSLB | NEWPARK SUNGOD | NEWPARK MARINE SERVICES | 1976 | 1978-1983 |
| MSLB | NEWPARK SUNBURST | NEWPARK MARINE SERVICES | 1972 | 1978-1981 |
| MSLB | NEWPARK SUNDIAL | NEWPARK MARINE SERVICES | 1976 | 1978-1982 |
| MSLB | NEWPARK SUNSHINE | NEWPARK MARINE SERVICES | 1972 | 1978-1982 |
| MSLB | NEWPORT | RED STAR T. & T. CO. INC. | 1943 | 1979- |
| MSLB | NEW ROCHELLE | RED STAR T. & T. CO. INC. | 1927 | 1927-1957 |
| MSLB | NICA THERIOT | NOLTY J. THERIOT INC. | 1975 | 1975-1983 |
| MTSU | NICOR CLIPPER | NICOR SUPPLY SHIPS INC. | 1983 | 1983-1990 |
| MSLB | NICOR GUARD | NICOR MARINE INC. | 1984 | 1984-1990 |
| MSLB | NICOR SAFETY | NICOR MARINE INC. | 1984 | 1984-1990 |
| MSU | NIGERIAN SERVICE | ZAPATA MARINE SERVICE | 1964 | 1964-1971 |
| MSLB | NILE | |||
| MSLB | NIPMUC (ATF 157) | U.S. NAVY | 1945 | 1945-1978 |
| MSLB | NITA T. | JOSEPH PARIS THERIOT II | 1974 | 1981-1997 |
| MSLB | NOGALES (YTB 777) | U.S. NAVY | 1965 | 1965-2001 |
| SSLB | NORDAWN | |||
| MSU | NORDIC SERVICE | ZAPATA MARINE SERVICE INC. | 1973 | 1973-1974 |
| MSU | NORRIS TIDE | TIDEWATER VENTURES INC. | 1978 | 1978-2001 |
| MSLB | NORSHIPCO | NORFOLK S.B. & D.D. CO. | 1944 | 1977-1996 |
| MSLB | NORSHORE | PACIFIC COYLE NAV. CO. | 1920 | 1957-GESL. |
| MSLB | NORTH AFRICA | U.S. ARMY | 1954 | 1954-2002 |
| MSLB | NORTH CAROLINA | GREAT LAKES TOWING CO. | 1952 | 1990- |
| MSLB | NORTH POINT | CURTIS BAY TOWING CO. | 1939 | 194 -195 |
| MTSU | NORTH SEAHORSE | SEAHORSE INC. | 1973 | 1981-1989 |
| MSU | NORTHERN BUILDER | TULI HOLDING INC. | 1975 | 1975-1979 |
| MSU | NORTHERN WORKER | TULI HOLDING INC. | 1974 | 1974-1979 |
| MSLB | NORWALK | TUG NORWALK INC. | 1944 | 1960- |
| SRSLB | NORWICH | CORNELL STEAMBOAT CO. | 1836 | 1836- |
| SSLB | NOTTINGHAM | CENTRAL R.R. CO. OF NEW JERSEY | 1894 | 1894- |
| MSLB | NOTTOWAY (ATA 183) | U.S. NAVY | 1944 | |
| MDB | NOYDENA | KNAPPTON MARINE TOWBOAT CO. | 1932 | 1932- |
| SSLB | O'BRIEN KIDS | O'BRIEN TOWING CO. | 1925 | 1925- |
| MSLB | OCEAN MARINER | WESTERN TOWBOAT CO. | 1984 | 1984- |
| MSLB | OCEAN NAVIGATOR | WESTERN TOWBOAT CO. | 1986 | 1986- |
| MSLB | OCEAN PRINCE | RED STAR T. & T. CO. | 1944 | |
| MSLB | OCEAN RANGER | TUG OCEAN MARINE INC. | 1990 | 1990- |
| MTSU | OCEAN RAY | OCEAN MARINE SERVICES | 1977 | 1977-1991 |
| MSLB | OCEAN STAR | RED STAR T. & T. CO. | 1969 | 1969- |
| MSLB | OCEAN WAVE | AMERADA HESS SHIPPING CO. | 1979 | 1979-1979 |
| MSU | OCEANIC MOON | JACKSON MARINE CORP. | 1973 | 1973-1989 |
| MSLB | ODIN | |||
| MSU | OFFSHORE BEAUMONT | OFFSHORE CO. LTD. | 1970 | 1970-1980 |
| MSU | OFFSHORE | |||
| BIRMINGHAM | OFFSHORE CO. LTD. | 1970 | 1970-1980 | |
| MTSU | OFFSHORE HOUSTON | OFFSHORE INTERNATIONAL S.A. | 1969 | 1969- |
| MSU | OFFSHORE ORLEANS | SONAT OFFSHORE INC. | 1957 | 1957-1985 |
| MSLB | OFFSHORE PACIFIC | SONAT OFFSHORE INC. | ||
| S/MSLB | OHIO | GREAT LAKES TOWING CO. | 1903 | 1973- |
| MDV | OIL CORER | WESTERN G. C. OF AMERICA | 1966 | 1976-1977 |
| MSU | OIL CREEK | WESTERN G. C. OF AMERICA | 1955 | 1955-1977 |
| MSLB | OKALOOSA | SELA TOWING INC. | 1974 | 1974-1986 |
| SSLB | OKLAHOMA | GREAT LAKES TOWING CO. | 1913 | 1934- |
| SSLB | OLA G. OLSON | STEAMTUG JOHN G. OLSON | 1916 | 19 -1950 |
| SSLB | OLD DOMINION | |||
| MSLB | OLIVE L. MOORE | UPPER LAKES TOWING CO. | 1928 | |
| MDB | OLMSTEAD | MIDLAND ENTERPRISES INC. | 1980 | 1980-2003 |
| S/MSLB | OLYMPIAN | OLSON TUGBOAT CO. | 1908 | 1908- |
| SSLB | OLYMPIC | BALLARD | 1900 | 1900- |
| MSU | OMBAS OFFSHORE | |||
| MSLB | ONBEKEND 1 | JACKSON MARINE CORPORATION | ||
| MSLB | ONBEKEND 2 | JACKSON MARINE CORPORATION | ||
| MSLB | ONO | ISLEWAYS LTD. | 1947 | 19 -1970 |
| SSLB | ONTARIO | NEW YORK, O. & W. R.R. CO. | 1908 | 1908- |
| SSLB | ONTARIO (AT13) | U.S. NAVY | 1912 | 1912-1920 |
| MSLB | OPPORTUNE (ARS 31) | U.S. NAVY | 1945 | 1945-2003 |
| MSLB | ORAH DEE CLARK | NIKISKI MARINE | 1972 | 1972- |
| SSLB | ORANGE | DELAWARE L. & W. R.R. CO. | ||
| SSLB | OREGON | GREAT LAKES TOWING CO. | 1921 | 1921- |
| MSLB | OREGON | GREAT LAKES TOWING CO. | 1952 | 1990- |
| MSLB | OREGON | SHAVER TRANSPORATION CO. | 1978 | 1985-2001 |
| MSLB | ORION | BOSTON TOWBOAT CO. | 1946 | 1946-1980 |
| MSLB | OSCEOLA | PACIFIC INLAND NAVIGATION CO. | 1944 | 1962-1973 |
| SSLB | OSPREY | U.S. MINISTERY OF FISHERY | 1895 | 1895- |
| MSLB | OSWELL FOSS | FOSS LAUNCH & TUG CO. | 1940 | 1940- |
| MSLB | OTTO CANDIES | CANDIES INC., OTTO | 1985 | 1985- |
| SSLB | OVERBROOK | PENNSYLVANIA R.R. CO. | 1894 | 1894- |
| MSLB | OXNARD | ATLANTIC TOWING | 1956 | 1989-1990 |
| SSLB | P.F. MARTIN | MARTIN MARINE TRANSPORT. CO. | 1903 | |
| MSLB | PACIFIC ATOM | PACIFIC TOWBOAT SALVAGE & CO. | ||
| MSLB | PACIFIC ESCORT | PACIFIC TOWBOAT SALVAGE & CO. | 1983 | 1983- |
| MSLB | PACIFIC MARINER II | PACIFIC BUNKERING INC. | 1966 | 1992- |
| MSLB | PACIFIC QUEEN | PACIFIC TOWBOAT & SALVAGE CO. | 1980 | 1980- |
| MSLB | PACIFIC SATURN | PACIFIC TOWBOAT & SALVAGE CO. | 1967 | 19 -1994 |
| MSLB | PACIFIC TITAN | PACIFIC TOWBOAT & SALVAGE CO. | 1943 | 19 -1977 |
| MSLB | PACIFIC VIKING | PACIFIC TOWBOAT & SALVAGE CO. | 1976 | 1976- |
| MTSU | PADRE ISLAND | ARTHUR LEVY ENTERPRISES INC. | 1977 | 1977- |
| MSLB | PADUCAH (YTB 758) | U.S. NAVY | 1961 | 1961-2001 |
| MSLB | PAIUTE (ATF 159) | U.S. NAVY | 1945 | 1945-1997 |
| SSLB | PALLAS | MYSTIC STEAMSHIP CO. | 1882 | |
| MSLB | PALOMAR | PACTOW | 1956 | 1971- |
| MSLB | PALOS VERDES | WILMINGTON TRANSPORT. CO. | 1943 | 1961- |
| MSLB | PAM ALARIO | NOLTY J. THERIOT INC. | 1972 | 1972-1987 |
| SRBDB | PAMELA D | FRANK FINK | 1938 | 2001- |
| SSLB | PAN TWO | |||
| SSLB | PANAMETA (YTM 402) | U.S. NAVY | 1945 | 1945-1962 |
| SSLB | PANTHER | BOSTON TOWBOAT CO. | ||
| SSLB | PAPAGO (ATF 166) | U.S. NAVY | 1945 | 1945-1997 |
| MSLB | PARIS THERIOT | J. NOLTY THERIOT INC. | 1967 | 1967-1976 |
| SSLB | PARKSLEY | PENNSYLVANIA RAILROAD CO. INC. | 1909 | 1909- |
| MSLB | PAT B. | CONTINENTAL TOWING CORP. | 1943 | 1977-1982 |
| MSLB | PATERSON | ERIE RAILROAD TUGBOAT CO. | 1949 | 1949-1963 |
| MSLB | PATHFINDER | PUGET SOUND TUGS & BARGE CO. | 1970 | 1970-1978 |
| SSLB | PATIENCE | READING CO. | 1901 | 1901- |
| MSLB | PATRIARCH | SAN DIEGO TRANSPORT. CO. | 1976 | 1976- |
| MSLB | PATRICIA C.BOUCHARD | BOUCHARD TRANSPORT. CO. INC. | 1976 | 1992- |
| MSLB | PATRICIA FOSS (2) | FOSS LAUNCH & TUG CO. | 1944 | 1958-1980 |
| MSLB | PATRICIA HOEY | NORTH AMERICAN BARGE LINE INC. | 1951 | 1985-1990 |
| MSLB | PATRICIA MORAN | MORAN TOWING CORP. | 1962 | 1962- |
| MSLB | PATRICK | ALASKA FREIGHT LINES INC. | 1943 | 1950-1973 |
| SSLB | PATRICK J. McGUIRL | SHAMROCK TOWING CO. | ||
| MSLB | PATRICK McALLISTER | McALLISTER TOWING INC. | 1973 | 2000- |
| SSLB | PATRIOTIC | BOSTON TOWBOAT CO. | ||
| MSLB | PATSY CHOTIN | CHOTIN INC. | 1950 | 1950- |
| MSLB | PATUTE (ATF 159) | U.S. NAVY | 1945 | 1945-1977 |
| MSLB | PAUL A. WRONOWSKI | THAMES TOWBOAT CO. INC. | 1981 | 1981- |
| MSLB | PAUL ANDREW | DONJON MARINE CO. INC. | 1968 | 1968- |
| SSLB | PAUL JONES | THAMES TOWBOAT CO. INC. | 1903 | 1903- |
| MSLB | PAUL P. HASTINGS | ATCHISON, TOPEKA & SANTA FE R.W. | 1945 | |
| SSLB | PAULI | |||
| MSLB | PAULINE L. MORAN (2) | MORAN TOWING CORP. | 1942 | 1947-1961 |
| SSLB | PAWENOC | |||
| MSU | PBR/345 | PBR OFFSHORE MARINE CORP. | 1982 | 1982-1988 |
| MSLB | PEARL BELLANGER | LUKE V. BELLANGER | 1971 | 1971- |
| MSU | PECOS | CHARLES D. SLATER SR. | 1968 | 1977-1980 |
| MSLB | PEGASUS 1 | METROPOLITAN MARINE TRANS. | 1970 | 1984-2008 |
| SSLB | PEGGY FOSS (1) | FOSS LAUNCH & TUG CO. | 1912 | 1923- |
| MSLB | PEGGY K | |||
| MSLB | PEGGY SHERIDAN (1) | SHERIDAN TOWING CO. INC. | 1944 | 1949-1978 |
| MSLB | PEGGY SHERIDAN (2) | SHERIDAN TOWING CO. INC. | 1975 | 1980-2001 |
| MSLB | PEJEPSCOT | ROSS TOWBOAT CO. | 1907 | 1952-1972 |
| MSLB | PENNSBURY | WARNER CO. | 1943 | 19 -1971 |
| MSLB | PENOBSCOT | HARTLEY MARINE SERVICES INC. | 1959 | 1997- |
| MIJSBR | PENOBSCOTT BAY | U.S. COAST GUARD | 1985 | 1985- |
| SSLB | PENTUCKET | MORAN TOWING CORP. | 1902 | 1954- |
| MDB | PEP B. | ED BROUSSARD MARINE SERV. LLC | 1967 | 1967- |
| MSLB | PERCHERON | CORNELIUS KROLL & CO. | 1944 | 1944- |
| MSLB | PERSON | U.S. ARMY CORPS OF ENGINEERS | 1970 | 1970-2000 |
| SSLB | PERTH AMBOY | LEHIGH VALLEY RAILROAD | 1912 | |
| SSLB | PETH AMBOY 1 | T. WHARF TOWBOAT CO. | ||
| SSLB | PETH AMBOY 4 | T. WHARF TOWBOAT CO. | 1919 | 1919- |
| MSLB | PETER B. McALLISTER | McALLISTER BROS. INC. | 1940 | 1980- |
| MSLB | PETER B. McALLISTER | McALLISTER BROS. INC. | 1941 | 1956-1968 |
| MSLB | PETER FOSS | FOSS LAUNCH & TUG CO. | 1978 | 1978- |
| MSLB | PETER MORAN (1) | MORAN TOWING CORP. | 1939 | 1939-1940 |
| MSLB | PETER W | |||
| SSLB | PETERSON 14 | PETERSON LAND & GRAVEL CO. | 1904 | 1904-1992 |
| SSLB | PETREL (V0508) | |||
| MSU | PETREL | 1961 | 19 -1983 | |
| MSU | PETRO SERVICE | ZAPATA MARINE SERVICE | 1968 | 1968-1985 |
| MTSU | PETROMAR DORADO | PETROMAR CORP. | 1981 | 1981-1990 |
| MTSU | PETROMAR FALCON | PETROMAR CORP. | 1981 | 1981-1988 |
| MTSU | PETROMAR HIGHLANDS | PETROMAR OFFSHORE LTD. | 1981 | 1981-1989 |
| MTSU | PETROMAR INTREPID | PETROMAR OFFSHORE LTD. | 1981 | 1981-1988 |
| MTSU | PETROMAR JAVELIN | PETROMAR INTERNATIONAL LTD. | 1982 | 1982-1989 |
| MSU | PETROMAR KNIGHT | PETROMAR INTERNATIONAL LTD. | 1982 | 1982-1990 |
| MSLB | PHILIP K | G & H TOWING INC. | 1976 | |
| MSLB | PHILIP W | WILMINGTON TRANSPORT. CO. | 1981 | 1981- |
| SSLB | PHILIP FOSS (1) | FOSS LAUNCH & TUG CO. | 1916 | 1946-1967 |
| MSLB | PHILLIPS FOSS (2) | FOSS LAUNCH & TUG CO. | 1969 | 1969-2004 |
| SSLB | PHOENIX | GOODWIN GALLAGHER S. & G. CO. | 1898 | |
| MSLB | PHOENIX | ALBAN TOWING INCORPORATION | 1950 | 1967-1982 |
| MDB | PHYLLIS | ALTER BARGE LINE INC. | 1973 | 1973- |
| MSLB | PHYLLIS A. GUIDRY | PHYLLIS A. GUIDRY INC. | 1973 | 1973-1977 |
| MSU | PIERRE LE GRAND | CHARLES D. SLATER SR. | 1975 | 1977-1980 |
| MSLB | PIKE | PIKE TOWING CO. INC. | 1956 | 1956-1991 |
| MTSU | PIKE III | HARMCO INC. | 1966 | 1978- |
| MSLB | PILOT | CARIBE TUGBOAT CORP. | 1977 | 1979-1981 |
| MSLB | PILOT | SAN DIEGO TRANSPORT. CO. | 1977 | 1977-1979 |
| MSLB | PINOLA (ATA 206) | U.S. NAVY | 1944 | 1944- |
| MSLB | PIONEER | SAN DIEGO TRANSPORTATION CO. | 1975 | 1975- |
| MTSU | PIONEER SEAHORSE | SEAHORSE INC. | 1983 | 1983-1990 |
| MTSU | PIONEER SERVICE | ZAPATA MARINE SERVICE | 1978 | 1978- |
| S/MSLB | PISCATAQUA | PORTSMOUTH TOWING CO. | 1891 | 1891- |
| MDB | PITCAIRN | STAHL TOWING CO. | 1962 | 1962-1962 |
| MSLB | PLEON | BOSTON FUEL TRANSPORT. CO | 1953 | 1989- |
| MSU | PLIMSOLL ALABAMA | BOLLINGER MACHINE SHOP INC. | 1975 | 1993-1997 |
| SSLB | POCON POINT | |||
| MTSU | POINT BARROW | POINT MARINE INC. | 1978 | 1978-1991 |
| MTSU | POINT CHALEUR | POINT MARINE INC. | 1982 | 1982-1991 |
| MSU | POINT CONCEPTION | POINT MARINE INC. | 1976 | 1976-1991 |
| MSLB | POINT FERMIN | FOSS MARITIME CO. | 1976 | |
| MSLB | POINT FORTUNE | POINT MARINE INC. | 1979 | 1979-1991 |
| MSLB | POINT JUDITH | UNITED STATES DEPART. OF COMM. | 1943 | 19 -1976 |
| MTSU | POINT SAMSOM | POINT MARINE INC. | 1979 | 1979-1991 |
| MSU | POINT T. | POINT MARINE INC. | 1980 | 1980-1991 |
| MSLB | POINT VICENTE | WILMINGTON TRANSPORTATION CO. | 1976 | 1976- |
| MTSU | POLAR BEAR | PORTAL BOAT CO. | 1974 | 19 -1988 |
| MTSU | POLAR BEAR | PRIMAL BOAT CO. | 1974 | |
| MSLB | PORPOISE | SUDERMAN & YOUNG TOWING CO. | 1942 | |
| MSLB | PORT ALLEN | CRESCENT T. & S. CO. INC. | 1975 | 1975- |
| MDB | PORT ALLEN | MIDLAND ENTERPRISES INC. | 1966 | 1966- |
| MSLB | PORT HUDSON | CRESCENT T. & S. CO. INC. | 1943 | 1946- |
| MSLB | PORT JEFFERSON | RED STAR T. & TR. CO. INC. | 1957 | 1957-2001 |
| MSLB | PORT KENNEDY | U.S. MARITIME COMMISSION | 1944 | 1944- |
| MSLB | PORT SEWALL | U.S. MARITIME COMMISSION | 1944 | 1944- |
| MSLB | PORT SUSAN | DUNLAP TOWING COMPANY | 1988 | 1988- |
| SSLB | PORTLAND | CENTRAL WHARF STEAM T. CO. | 1902 | 1902- |
| SRSLB | PORTLAND | SHAVER TRANSPORTATION CO. | 1947 | 19 -1981 |
| MSLB | PORTLAND | SHAVER TRANSPORTATION CO. | 1981 | 1981- |
| MSLB | POTTSVILLE | READING CO. | 1952 | 1952-1961 |
| MSLB | POUGHKEEPSIE | U.S. NAVY | 1971 | 1971-2008 |
| S/MSLB | POWERFUL | BROWARD POINT CO. | 1908 | 19 -1971 |
| MSLB | POWHATAN (T-ATF 166) | U.S. NAVY | 1978 | 1978-1999 |
| MSLB | PREDATOR | AMERICAN NAVIGATION INC. | 1969 | 1993-2002 |
| MSLB | PRESAGER | AMERICAN GENERAL TRANSP. CO. | 1981 | 1998-2005 |
| MSLB | PRESQUE ISLE | LITTON GREAT LAKES CORP. | 1973 | 1973- |
| SSLB | PRESTO | |||
| SSLB | PRINCE | |||
| MSU | PRINCE TIDE | TIDEWATER INC. | 1969 | 1969-1986 |
| SSLB | PRINCESS | WINDSOR DETROIT BARGE LINE | ||
| SSLB | PRINCETON | PENNSYLVANIA RAILROAD CO. INC. | ||
| MSLB | PROGRESS | BAKER-WITHELEY COAL CO. | 1944 | 1953-1974 |
| MSLB | PROPELLER | SUDERMAN & YOUNG T. CO. INC. | 1949 | 1949-1982 |
| SSLB | PROSPER | BELLINGHAM TUG & BARGE CO. INC. | 1898 | 1898- |
| SSLB | PROSPECT II | |||
| SSLB | PROSPECTOR | CAPITAL CITY TUG CO. | 1898 | 1898-1930 |
| MSLB | PROTECTOR | CROWLEY MARITIME CORP. | 1996 | 1996- |
| MSLB | PROVIDENCE | RED STAR T. & TR. CO. INC. | 1939 | |
| MSLB | PROVIDENCE | CRESCENT TOW. & SALV. CO. INC. | 1953 | 1953- |
| SSLB | PRUDENCE | T. WHARF TOWBOAT CO. | ||
| MSLB | PUERTO NUEVO | CARIBE TUGBOAT CORP. | 1964 | 1976-1999 |
| MSLB | PULASKI | CROWLEY TUG & LAUNCH CO. | 1927 | 1927-1957 |
| SSLB | PRESTO | |||
| SSLB | PRINCE | |||
| MSU | PRINCE TIDE | TIDEWATER INC. | 1969 | 1969-1986 |
| SSLB | PRINCESS | WINDSOR DETROIT BARGE LINE | ||
| SSLB | PRINCETON | PENNSYLVANIA RAILROAD CO. INC. | ||
| MSLB | PROGRESS | BAKER-WITHELEY COAL CO. | 1944 | 1953-1974 |
| MSLB | PROPELLER | SUDERMAN & YOUNG T. CO. INC. | 1949 | 1949-1982 |
| SSLB | PROSPER | BELLINGHAM TUG & BARGE CO. INC. | 1898 | 1898- |
| SSLB | PROSPECT II | |||
| SSLB | PROSPECTOR | CAPITAL CITY TUG CO. | 1898 | 1898-1930 |
| MSLB | PROTECTOR | CROWLEY MARITIME CORP. | 1996 | 1996- |
| MSLB | PROVIDENCE | RED STAR T. & TR. CO. INC. | 1939 | |
| MSLB | PROVIDENCE | CRESCENT TOW. & SALV. CO. INC. | 1953 | 1953- |
| SSLB | PRUDENCE | T. WHARF TOWBOAT CO. | ||
| MSLB | PUERTO NUEVO | CARIBE TUGBOAT CORP. | 1964 | 1976-1999 |
| MSLB | PULASKI | CROWLEY TUG & LAUNCH CO. | 1927 | 1927-1957 |
| MSU | QUEEN TIDE | TIDEWATER INC. | 1969 | 1980-1982 |
| MSLB | R 21 | U.S. NAVY | ||
| MSLB | R 22 | U.S. NAVY | ||
| MSLB | R 38 | U.S. NAVY | ||
| MSLB | R.B. CLAYTON | NORFOLK & WESTERN RAILROAD | 1957 | 19 -1983 |
| MDB | R.F. MEEK | RPIEDMONT & SOUTHERN LEASING | 1975 | 1975-1984 |
| SSLB | R.J. BOWMAN | CHESAPEAKE & OHIO RAILWAYS CO. | 1948 | 1948- |
| MSLB | R.J. WALES | BAY-HOUSTON TOWING CO. | 1945 | 1947-1948 |
| SSLB | R.P. REIDENBACH | GREAT LAKE TOWING CO. | 1910 | 1910-1941 |
| MSLB | R. PAUL GUIDRY | R. PAUL GUIDRY INC. | 1971 | 1971-1976 |
| MSLB | R. THOS. McDERMOTT | McDERMOTT & CO. INC. | 1948 | 1948- |
| MSLB | RALEIGH ANN | JACKSON MARINE CORP. | 1976 | 1976-1995 |
| MDB | RALPH E. BOUCHARD | BOUCHARD TRANSPORTATION CO. | 1988 | 1988- |
| MSLB | RALPH E. MATTON | MATTON STEAMBOAT CO. | 1958 | 1958-1964 |
| MSLB | RAMPANT | PACIFIC INLAND NAVIGATION CO. | 1948 | 1948-1968 |
| SSLB | RAN | DOANE COMMINS TOWING | ||
| SSLB | RANGER | ALLMAN HUBBLE | ||
| MSLB | RANGER | INTERSTATE TOWING CO. | 1967 | 1967- |
| MTSU | RANGER | OFFSHORE LOGISTICS INC. | 1973 | 1973-1988 |
| MSLB | RAY F. HEBERT | GULF INTERNATIONAL MARINE CO. | 1979 | 1979- |
| MSLB | RAYMOND CARD | CARD TOWING LINE INC. | 1939 | 19 -1941 |
| MDB | RAYMOND THORPE | CANAL BARGE CO. INC. | ||
| MSLB | REBECCA P | POLING BROS. TRANSPORT | 1980 | 1980-1995 |
| MSLB | REBECCA THERIOT | NOLTY J. THERIOT INC. | 1974 | 1974- |
| MSLB | RECLAIMER (ARS 42) | U.S. NAVY | 1945 | 1945-2001 |
| MSLB | RECOVERY (ARS 42) | U.S. NAVY | 1945 | 1945-1998 |
| MSU | RED RIVER | TIDEWATER MARINE SERVICES INC. | 1967 | 1967-1980 |
| MSLB | RED STAR | RED STAR TOWING CO. | 1969 | 1969-1981 |
| MSLB | REEDY POINT | CURTIS BAY TOW CO. | 1958 | 1958-1999 |
| MSU | REGAL SERVICE | ZAPATA GULF MARINE LTD. | 1976 | 1976-1981 |
| SSLB | REICHERT BOYS | RIECHERT TOWING LINE | 1906 | |
| MSLB | REID McALLISTER | McALLISTER BROS. INC. | 1943 | 1964-1967 |
| SSLB | RELIABLE | PHIL SHIVELEY TUG | ||
| MSLB | RELIANCE | |||
| SSLB | RELIANCE | WASHINGTON TUG & BARGE CO. | 1899 | |
| MSLB | RELIANCE | PROVIDENCE STEAMBOAT CO. | 1974 | 1974- |
| MSLB | RELIANT | GENERAL ELECTRIC CAPITAL | 1996 | 2005-2006 |
| SSLB | RELIEF | McARIEN TOWING LINE | 1873 | |
| SSLB | RELIEF | MERRITT-CHAPMAN & SCOT CO. | 1907 | 1907- |
| SSLB | REPUBLIC No. 5 | JAMES McWILLIAMS BLUE | 1899 | |
| MTSU | REPUBLIC SERVICE | ZAPATA OFFSHORE SERVICES | 1975 | 1975-1982 |
| SSLB | RESCUE | MERRITT-CHAPMAN & SCOT CO. | 1899 | 1899- |
| SSLB | RESCUE | U.S. WAR SHIPPING ADMIN. | 1909 | 1937-1948 |
| MSLB | RESCUE | MERRITT-CHAPMAN & SCOT CO. | 1942 | 1949-1976 |
| MTSU | RESERVE TIDE | TIDEWATER MARINE | 1976 | 1997- |
| SSLB | RESO | |||
| SSLB | RESOLUTE | MERRITT-CHAPMAN & SCOT CO. | 1916 | 1916- |
| MSLB | RESOLUTE | CROWLEY INTERNATIONAL INC. | ||
| MSLB | RESOLUTE | HARBOR TUG & BARGE CO. | 1942 | |
| MSLB | RESOLUTE | BAKER-WHITELEY TOWING CO. | 1950 | 1950- |
| MTSU | RESOLUTE | OFFSHORE LOGISTICS INC. | 1973 | 1973-1988 |
| MSLB | RESOLVE | RESOLVE TOWING & SALVAGE | 1958 | 1986-1987 |
| SSLB | RESTLESS | WOOD TOWING CORPORATION | 1893 | 1933- |
| SSLB | REVERE | OLSEN TOWING LINE | ||
| MDB | RHETT PARKER | PARKER TOWING CO. INC. | 1982 | 1982- |
| MSU | RHINO | PENROD DRILLING CO. | 1969 | |
| MSLB | RICHARD FOSS | FOSS LAUNCH & TUG CO. | 1967 | 1967- |
| SSLB | RICHARD HOLYOKE | BELLINGHAM TUG & BARGE CO. INC. | 1877 | 1999-1940 |
| SSLB | RICHARD J. BARRETT | EDWARD E. BARRETT | 1919 | 19 -1949 |
| SSLB | RICHARD J. MORAN (2) | MORAN TOWING CO. | 1917 | 1951- |
| SSLB | RICHARD J. MORAN | MORAN TOWING CO. | 1920 | 1935-1950 |
| MSU | RICHARD TIDE | TIDEWATER COLON INC. | 1970 | 1974- |
| MSU | RICHLAND | TIDEWATER VENICE INC. | 1967 | 1967- |
| SSLB | RICHMOND | THE TEXAS COMPANY | 1931 | 1931-1948 |
| MSLB | RIG BUILDER | RIG TENDERS INC. | 1966 | 1966-1981 |
| MSU | RIG SERVICE | ZAPATA MARINE SERVICE | 1966 | 1986- |
| MSLB | RIO BRAVO | TWENTY GRAND OFFSHORE | 1973 | 1986-1988 |
| MDSLB | ROANOKE | MARITRANS OPERATING PARTNERS | 1966 | 1990- |
| MDB | ROBERT A. TAFT | MIDLAND ENTERPRISES INC. | 1972 | 1972-1995 |
| SSLB | ROBERT AIKMAN | LLOYD H. DALZELL | 1911 | |
| MSLB | ROBERT ALARIO | NOLTY J. THERIOT INC. | 1970 | 1970-1994 |
| MSLB | ROBERT B. TURECAMO | R.B. TURECAMO OF SC OMC/ | 1953 | 1981- |
| SSLB | ROBERT GREY | ARMY CORPS OF ENGINEERS | ||
| MSLB | ROBERT H. | THREE RIVERS BOATMAN | 1944 | 1977-2001 |
| SSLB | ROBERT J. McGUIRL | SHAMROCK TOWING CO. | ||
| MSLB | ROBERT L. TORRES | RIVER MARINE INC. | 1976 | 1990-1993 |
| SSLB | ROBERT P. CLARK | GULF REFINNING CO. | 1917 | 1917- |
| SSLB | ROBERT W. WILMOT | COAL & BISSO TOWBOAT CO. INC. | 1897 | |
| MSLB | ROBIN ALARIO | NOLTY J. THERIOT INC. | 1972 | 1972-1994 |
| MSLB | ROBIN III | ROBIN INTERNATIONAL MARINE CO. | 1971 | 1971-1980 |
| MSLB | ROBIN III | ROBIN TOWING CO. | 1971 | 1980-1989 |
| MSLB | ROBIN IV | ROBIN TOWING CO. | ||
| MSLB | ROBIN V | ROBIN TOWING CO. | 1973 | 1973-1984 |
| MSLB | ROBIN VI | CATH CORP. | 1974 | 1977-1984 |
| MSLB | ROBIN VII | ROBIN TOWING CO. | 1974 | 1974-1977 |
| MSLB | ROBIN VIII | ROBIN TOWING CO. | 1974 | 1974-1977 |
| MSLB | ROBIN IX | ROBIN TOWING CO. | 1975 | 1975-1977 |
| MSLB | ROBIN X | U.S. TRUST CO. OF NEW YORK | 1975 | 1977- |
| MSLB | ROBIN ALARIO | NOLTY J. THERIOT INC. | 1972 | 1972-1994 |
| MSLB | ROBINSON BAY | ST. LAWRENCE SEAWAY DEV. CO. | 1958 | 1958- |
| SSLB | ROCKET | U.S. COAST GUARD | 1899 | 1899-1933 |
| MDB | ROCKLAND COUNTRY | RED STAR TOWING & TRANSP. CO. | 1960 | 1960- |
| MSLB | ROCKLAND COUNTY | RED STAR TOWING & TRANSP. CO. | 1960 | |
| MSLB | ROCKWATER I | ROCKWATER HOLDINGS LTD. | 1983 | 1991- |
| MSLB | ROCONA II | CONNOLLY PACIFIC CO. | ||
| MSLB | RODERICK McALLISTER | McALLISTER BROS. INC. | 1970 | 1980-1984 |
| MSLB | ROGER FOSS | FOSS LAUNCH & TUG CO. | 1943 | 1961-1976 |
| MSLB | ROGER THOMAS E. | J. RAY McDERMOTT & CO. INC. | 1958 | 1958- |
| MSLB | ROGER W. WILSON | J. RAY McDERMOTT & CO. INC. | 1966 | 1966-1981 |
| MSLB | ROGER WILLIAMS | PROVIDENCE STEAMBOAT CO. | 1960 | 1960- |
| SSLB | ROOSEVELT | U.S. NAVY | 1905 | 1905-1915 |
| MSLB | ROSARIO P | S. PUERTO RICO TOW & B.S. INC. | 1975 | 1979- |
| MTSU | ROSEMARY TIDE | TIDEWATER CAYMAN INC. | 1974 | 1976-1980 |
| MSLB | ROSLYN | RED STAR TOW. & TRANSP.CO. INC. | 1937 | |
| MDB | ROSSISLE | ROSS ISLAND SAND & GRAVEL CO. | ||
| SSLB | ROWEN CARD | CARD TOWING LINE INC. | 1927 | |
| MSLB | ROY B. WHITE | BALTIMORE & OHIO R.R. CO. | 1953 | 1953-1980 |
| MDB | ROY DUPRE | FEDERAL BARGE LINES INC. | 1977 | 1977-1984 |
| SSLB | RUBY VIII | CAMPBELL MARITIME INC. | 1944 | 2001- |
| MSLB | RUSSELL Jr. | BAY STATE TOWING INC. | 1943 | 1984- |
| SSLB | RUSSELL 3 | NEWTOWN CREEK TOWING CO. INC. | ||
| MSLB | RUSSELL 10 | NEWTOWN CREEK TOWING CO. INC. | 1958 | 1958-1963 |
| SSLB | RUSSELL 11 | NEWTOWN CREEK TOWING CO. INC. | ||
| MSLB | RUSSELL 14 | NEWTOWN CREEK TOWING CO. INC. | 1952 | 1952-1957 |
| MSLB | RUSSELL 17 | NEWTOWN CREEK TOWING CO. INC. | 1949 | 1951-1960 |
| MSLB | RUSSELL 20 | NEWTOWN CREEK TOWING CO. INC. | 1939 | 1940-1963 |
| MSLB | RUSTLER | |||
| MSLB | RUSTY B. | NOLTY J. THERIOT INC. | 1970 | 1970-1980 |
| MDB | RUSTY FLOWERS | FLOWERS TRANSPORTATION CO. | 1975 | 1975-1987 |
| MSLB | S/R SAN JACINTO | SEARIVER MARITIME INC. | 1967 | 1994- |
| MSLB | S.H. COPPEDGE | WHITE STACK TOWING CO. | 1944 | 1965-1978 |
| MSLB | SABA | STATIA TERMINALS SERVICE | 1982 | 1982-1986 |
| MTSU | SABLE SERVICE | ZAPATA GULF MARINE SERVICE LTD | 1983 | 1983-1985 |
| SSLB | SACHEM | OLSEN WATER & TOWING CO. INC. | 1900 | 1947-1950 |
| SSLB | SACHEM | JAMES McWILLIAMS | 1900 | 1900-1947 |
| MTSU | SALEM | GEORGE ENGINE CO. INC. | 1976 | 1976-1987 |
| SSLB | SALISBURY | PENNSYLVANIA RAILROAD CO. INC. | 1900 | 1910- |
| MSLB | SALISHAN | SAUSE BROS. OCEAN TOWING CO. INC | 1973 | 1991- |
| SSLB | SALLY CARROLL | CARROLL TOWING CO. LTD. | 1906 | |
| MDB | SALLY POLK | CANAL BARGE CO. INC. | 1957 | 1957-1991 |
| MSLB | SALUTATION | JAMES McWILLIAMS | 1951 | 1951- |
| SSLB | SALUTATION | BERNARD TUCKERS SONS | 1904 | 1949- |
| MSLB | SALVAGE CHIEF | FRED DEVINE | 1945 | 1948-1972 |
| MSLB | SALVONIA | LIMERICK INVESTMENTS INC. | 1951 | 1975-1979 |
| MSLB | SALVOR | U.S. NAVY | 1985 | 1985- |
| MSLB | SAMSON | CROWLEY MARITIME CORP. | 1966 | 19 -1978 |
| MSLB | SAMUEL J. DARK | GREAT LAKES DREDGING CO. | 1945 | 1946- |
| MSLB | SAN MIGUEL | BUFFALO MARINE SERVICE INC. | 1979 | 1988- |
| MSLB | SAN NICOLAUS | TITAN OFFSHORE LTD. | 1969 | 1986-1988 |
| MSLB | SAN PEDRO | WILMINGTON TRANSPORTATION CO. | 1967 | 1967-1999 |
| SSLB | SANDRA FOSS (1) | FOSS LAUNCH & TUG CO. | 1925 | 1942- |
| MSLB | SANDRA FOSS (2) | FOSS LAUNCH & TUG CO. | 1976 | 1976- |
| MSLB | SANDY ALARIO | NOLTY J. THERIOT INC. | 1974 | 1974-1984 |
| MSLB | SANDY POINT | VALLEY TRANSPORTATION CORP. | 1947 | 1964-1980 |
| MSU | SANTIAM | ALASKA BARGE & TRANSP. INC. | 1943 | 1966- |
| MSLB | SARAH BORDELON | BORDELON MARINE INC. | 2005 | 2005- |
| MSLB | SAHARA HAYS | GULFCOAST TRANSIT CORP. | 1965 | 1965-1994 |
| SSLB | SATOCO | SABINE TOWING & TRANSP. CO. INC. | 1920 | 1925-1953 |
| MSLB | SATOCO | SABINE TOWING & TRANSP. CO. INC. | 1971 | 1971-1985 |
| MSLB | SATURN | INDEPENDENT TOWING CO. | 1907 | 1981-1981 |
| MDB | SATURN | WALKER BOAT YARD | 1939 | 1991-1995 |
| MSLB | SATURN | CROWLEY MARITIME CORP. | 1969 | 1969- |
| MSU | SATURNO DEL GOLFO | GULF FLEET INTERNATIONAL INC. | 1974 | 1980-1985 |
| MSLB | SAUK (WYTM 99) | U.S. COASTGUARD | 1943 | 194 -1998 |
| MSLB | SAVANNAH | ATLANTIC TOWING CO. | 1958 | 1958-1990 |
| MSU | SAXON SERVICE | ZAPATA MARINE SERVICE LTD S.A. | 1973 | 1973-1992 |
| MSLB | SCANDIA | THOR TOWING CORP. | 1969 | 1985- |
| MSU | SCANDIA SERVICE | ZAPATA MARINE SERVICE LTD S.A. | 1973 | 1974- |
| MSLB | SCANDINAVIA | BAKER-WHITELEY TOWING CO. | 1957 | 1977-1990 |
| MSLB | SCHUYLKILL | VANE LINE BUNKERING INC. | 1981 | 1981-1999 |
| MTSU | SCOTOIL I | THERIOT OVERSEAS SERVICE INC. | 1974 | 1977-1979 |
| MSLB | SCOTT TURECAME | MORAN TOWING & TRANSP. CO. | 1998 | 1998- |
| MSLB | SEA BEE | JAMES McWILLIAMS | 1944 | 1946-1953 |
| MSLB | SEA BREEZE | SHIPOWNERS & MERCHANTS T.B. CO. | 1944 | 1946-1980 |
| MSLB | SEA BREEZE | CROWLEY MARITIME CORP. | 1975 | 1985- |
| MTSU | SEA CHEYENNE | GULFMARK OFFSHORE | 2007 | 2007- |
| MSLB | SEA CLOUD | SHIPOWNERS & MERCHANTS T.B. CO. | 1944 | 1946-1980 |
| MSLB | SEA CLOUD | CROWLEY MARITIME CORP. | 1974 | 1984- |
| MSLB | SEA DUKE | CROWLEY MARITIME CORP. | 1953 | 1977- |
| SSLB | SEA DUKE | SHIPOWNERS & MERCHANTS T.B. CO. | 1919 | |
| MSLB | SEA FLYER | CROWLEY LAUNCH & TUGBOAT CO. | 1968 | 1968-2008 |
| MSLB | SEA FOX | CROWLEY MARITIME CORP. | 1943 | 1972-1976 |
| MSLB | SEA GIANT | SHIPOWNERS & MERCHANTS T.B. CO. | 1957 | 1957-1993 |
| MSLB | SEA HAWK | CROWLEY MARINE SERVICES INC. | 1945 | 1993-1997 |
| MSLB | SEA HORSE | CROWLEY MARINE INC. | 1975 | 1985- |
| MSLB | SEA HOUND | CROWLEY LAUNCH & TUG BOAT CO. | 1956 | 1956- |
| MSLB | SEA KING | DILLINGHAM CORPORATION | 1944 | 1958-1975 |
| MSLB | SEA KING | J. NEWTON RAYZOR | 1957 | 1965- |
| MSLB | SEA KING | CROWLEY MARITIME CORP. | 1974 | 1984- |
| MSLB | SEA LARK | CROWLEY MARITIME INC. | 1942 | 1976-1997 |
| MSLB | SEA LARK | SHIPOWNERS & MERCHANTS T.B. CO. | 1944 | 1946-1946 |
| MSLB | SEA LEVEL No. 7 | SEA LEVEL BOAT CO. | 1964 | 1978-1980 |
| MSU | SEA LEVEL No. 7 | SEA LEVEL INTERNATIONAL INC. | 1981 | 1991-1996 |
| MSLB | SEA LION | SHIPOWNERS & MERCHANTS T.B. CO. | 1943 | 1949-1955 |
| MSLB | SEA LION | PUGET SOUND TUG & BARGE CO. | 1965 | 1965- |
| MSLB | SEA OTTER | CROWLEY MARITIME CORP. | 1956 | 1956- |
| SSLB | SEA QUEEN | SHIPOWNERS & MERCHANTS T.B. CO. | 1888 | 1888- |
| SSLB | SEA QUEEN | SHIPOWNERS & MERCHANTS T.B. CO. | 1920 | 1947-1954 |
| MSLB | SEA RACER | CROWLEY MARITIME CORP. | 1966 | 19 -2001 |
| MSLB | SEA RANGER | SHIPOWNERS & MERCHANTS T.B. CO. | 1943 | 1949-1971 |
| MSLB | SEA ROBIN | SHIPOWNERS & MERCHANTS T.B. CO. | 1944 | 1946-1980 |
| MSLB | SEA ROBIN | CROWLEY MARITIME CORP. | 1973 | 1984- |
| SSLB | SEA ROVER | SHIPOWNERS & MERCHANTS T.B. CO. | 1902 | 1902-1917 |
| MSLB | SEA ROVER | SHIPOWNERS & MERCHANTS T.B. CO. | 1952 | 1952- |
| MSLB | SEA SCOUT | SHIPOWNERS & MERCHANTS T.B. CO. | 1952 | 1952- |
| MTSU | SEA SERVICE | ZAPATA MARINE SERVICE INC. | 1965 | 1965-1971 |
| MSLB | SEA SKIMMER | GLENEAGLE | 1941 | 1980-1991 |
| MSLB | SEA SWIFT | PUGET SOUND TUG & BARGE CO. | 1968 | 1968-1977 |
| MSU | SEA TRANSPORT | BAY CITIES TRANSPORTATION CO. | 1964 | 1981-1985 |
| MSU | SEA TRUCK | SEA TRUCK INC. | 1966 | 1984-1990 |
| MSLB | SEA VENTURE | CROWLEY MARITIME CORP. | 1974 | 1991- |
| MSLB | SEA VICTORY | UNITE MARINE TUG & BARGE INC. | 1974 | 1993- |
| MSLB | SEA WITCH | PUGET SOUND TUG & BARGE CO. | 1957 | 1957- |
| MSLB | SEA WIND | GULF OFFSHORE MARINE INT. INC. | 1968 | 1991-1994 |
| MSLB | SEA WOLF | SHIPOWNERS & MERCHANTS T.B. CO. | 1944 | 19 -1964 |
| MSLB | SEA WOLF | SHIPOWNERS & MERCHANTS T.B. CO. | 1965 | 1965-1997 |
| MSLB | SEABULK CAROLYN | SEABULK OFFSHORE INC. | 1998 | 1998-2001 |
| MSU | SEABULK FLORIDA | SEABULK OFFSHORE LTD. | 1982 | 1989-2005 |
| MSU | SEISMIC EXPLORER | WHITEHALL CORP. | 1967 | 1967-1997 |
| MSU | SEISMIC SURVERYOR | WHITEHALL CORP. | 1969 | 1969- |
| MTSU | SELLERS TIDE | TIDEWATER INC. | 1977 | 1977-1980 |
| MSLB | SEMINOLE | PACIFIC INLAND NAVIGATION CO. | 1968 | 1968-1980 |
| MSLB | SEMINOLE | CROWLEY MARINE SERVICES INC. | 1968 | 19 -2000 |
| MSLB | SEMINOLE SUN | SOLCAR PROPORTIES INC. | 1970 | 1970-1997 |
| MSLB | SENTRY | SAN DIEGO TRANSPORTATION CO. | 1977 | 1977- |
| SSLB | SERRANO (ATF 112) | U.S. NAVY | 1943 | 1943-1960 |
| MSLB | SEWELLS POINT | MORAN TOWING CORPORATION | 1942 | 1961-1975 |
| MSLB | SHAKORI (ATF 162) | U.S. NAVY | 1945 | 1945-1980 |
| SSLB | SHAMROCK | SHAMROCK MARINE INC. | 1886 | 1962-1995 |
| MSLB | SHANNON | GAELIC TUGBOAT COMPANY | 1944 | 1977- |
| MSLB | SHANNON FOSS | FOSS LAUNCH & TUG CO. | 1957 | 1957- |
| MSLB | SHEILA MORAN (1) | MORAN TOWING CORPORATION | 1939 | 1939-1940 |
| MSLB | SHEILA MORAN (2) | MORAN TOWING CORPORATION | 1941 | 1941-1971 |
| MSLB | SHEILA MORAN (3) | MORAN TOWING CORPORATION | 1975 | 1975- |
| MTSU | SHELBY C. | ARIES MARINE CORPORATION | 1972 | 1994- |
| MDB | SHELBY J. | JOTORI DREDGING INC. | 1976 | 1984- |
| MSLB | SHELLEY FOSS | FOSS LAUNCH & TUG CO. | 1970 | 1970- |
| MDB | SHERRY L | BACON TOWING CO. INC. | 1953 | 1953-1980 |
| MSLB | SHETLAND SERVICE | ZAPATA OFFSHORE SERVICE | 1973 | 1980- |
| MSLB | SHINN | PORTLAND TUG & BARGE CO. | 1944 | 19 -1968 |
| MSLB | SIDNEY CANDIES | OTTO CANDIES INC. | 1972 | 1972- |
| MSLB | SIDNEY FOSS | FOSS LAUNCH & TUG CO. | 1976 | 1976- |
| MSU | SIGNAL SERVICE | ZAPATA MARINE SERVICE LTD. | 1965 | 1965-1979 |
| MSLB | SIGRID H. | MANKE LUMBER CO. | 1954 | |
| SSLB | SIMON FOSS | FOSS LAUNCH & TUG CO. | 1897 | 1941-1963 |
| SSLB | SIOUX (ATF 75) | U.S. NAVY | 1942 | 1942-1972 |
| SSLB | SIPSEY | COYLE LINES CO. | 1905 | 19 -1946 |
| MDB | SIR FREDRICK | MUSGROVE TOWING SERVICE INC. | 1941 | 1968- |
| MSU | SIR HENRY MORGAN | CHARLES D. SLATER Sr. | 1974 | 1975-1979 |
| MSLB | SKIPPER | JAMES McWILLIAMS BLUE LINE INC. | 1944 | |
| MSU | SLY FOX | TIDEWATER MARINE INC. | 1978 | 1997- |
| MSLB | SNOHOMISH (WYTM 98) | U.S. COAST GUARD | 1943 | 1943-1948 |
| SSLB | SOCONY 1 | SOCONY MOBIL OIL CO. INC. | 1927 | 1927- |
| SSLB | SOCONY 8 | R.H. STONE | 1923 | 1923- |
| SSLB | SOCONY 9 | STANDARD OIL CO. | 1923 | 1923-1927 |
| MSLB | SOCONY 10 | SOCONY MOBIL OIL CO. INC. | 1948 | 1948-1960 |
| SSLB | SOCONY 21 | SOCONY MOBIL OIL CO. INC. | 1913 | 19 -1948 |
| MSLB | SOCONY 23 | SOCONY MOBIL OIL CO. INC. | 1929 | 1929-1960 |
| SSLB | SOCONY 27 | SOCONY MOBIL OIL CO. INC. | 1920 | |
| SSLB | SOMMERS N. SMITH | SNOW MARINE INC. | 1887 | 1887- |
| MSLB | SONITTEP | SONITTEP TRANSPORTATION CO. | 1907 | 1907- |
| MSLB | SOUTH CAROLINA | GREAT LAKES TOWING CO. | 1924 | 1975-1982 |
| MSLB | SOUTHERN CROSS | AMERICAN DREDGING CO. | 1949 | |
| MSU | SOUTHERN CROSS | ASTRO-MARINE INC. | 1972 | 1972-1980 |
| MSLB | SOUTHERN MOON | JACKSON MARINE CORP. | 1982 | 1982- |
| MSLB | SOUTHERN STAR | STAR TOWING CORP. | 1943 | 1977- |
| MSLB | SOVEREIGN | FREMONT TUGBOAT CO. INC. | 1942 | 1985-2006 |
| MSU | SOVEREIGN | OFFSHORE LOGISTICS SERV. INC. | 1970 | 1975-1990 |
| MTSU | SOVEREIGN SERVICE | ZAPATA MARINE SERVICE LTD. S.A. | 1975 | 1975-1992 |
| MSLB | SPARROWS POINT | CURTIS BAY TOWING | 1943 | 1963-1972 |
| MSLB | SPARTAN | CRESCENT TOWING & SALVAGE CO. | 1943 | 1981- |
| SSLB | SPARTAN | JAMES McWILLIAMS | 1912 | 1912-1947 |
| MSLB | SPARTAN | JAMES McWILLIAMS | 1956 | 1956- |
| MSLB | SPARTAN | CROWLEY TOWING & TRANS. CO. | 1969 | 1969- |
| MTSU | SPARTAN SERVICE | ZAPATA MARINE SERVICE LTD. S.A. | 1969 | 1982-1987 |
| MTSU | SPARTAN TIDE | TIDEWATER INC. | 1975 | 1975- |
| MTSU | SPRINGBUCK | PORTAL BOAT CO. | 1972 | 1972-1993 |
| SSLB | ST 216 | U.S. ARMY | 1908 | |
| MSLB | ST. CHARLES | RIVER PARISHES CO. INC. | 1944 | 1976- |
| SSLB | ST. HELEN | AMBOY TOWBOATS | 1927 | |
| MSLB | ST. JOHNS | HVIDE MARINE TOWING INC. | 1998 | 1998- |
| MSLB | STACEY FOSS | FOSS LAUNCH & TUG CO. | 1976 | 1976- |
| MSLB | STANDARD No 2 | STANDARD OIL CO. OF CALIFORNIA | 1943 | 1946- |
| MSLB | STANDARD No 3 | STANDARD OIL CO. OF CALIFORNIA | 1943 | 1946- |
| MSLB | STANDARD No 4 | STANDARD OIL CO. OF CALIFORNIA | 1945 | 1958-1971 |
| MSLB | STANDFAST | FREMONT TUGBOAT CO. INC. | 1943 | |
| MSLB | STATE COMMAND | NATIONAL BOAT CORP. | 1974 | 1974-1988 |
| MSU | STATE DIAMOND | NATIONAL BOAT CORP. | 1972 | 1972-1992 |
| MSU | STATE PROGRESS | NATIONAL OFFSHORE CORP. | 1977 | 1977-1979 |
| MSU | STATE VICTORY | NATIONAL OFFSHORE CORP. | 1970 | 1970-1989 |
| MSLB | STATIA | STATIA TERMINALS SERIVCE | 1982 | 1982-1985 |
| MTSU | STELLA DENA | HLS OFFSHORE INC. | 1969 | 1996- |
| MSLB | STELLAR WIND | COOK INLET TUG & BARGE CO. | 1993 | 1993- |
| MSLB | STEVEN M. SELVICK | SELVICK MARINE TOWING INC. | 1915 | 19 -1994 |
| SSLB | STIRLING TOMKINS | CORNELL STEAMBOAT CO. | 1919 | |
| SSLB | STORM KING | AMERICAN TRADING CO. | 1919 | 1919- |
| SSLB | STORM KING | BOSTON TOWBOAT CO. | 1882 | 1882- |
| MSLB | STRATFORD POINT | U.S. DEPARTMENT OF COMMERCE | 1943 | 19 -1976 |
| MSLB | STRONG | KADAMPANNATTU CORP. | 1979 | 1991- |
| MSLB | STURGEON | G. & H. TOWING CO. INC. | 1957 | 1957- |
| MTSU | SUMMER SUN | LEVY-MELLON-MARINE | 1980 | 1980- |
| MDB | SUNSHINE | LOGAN LINES INC. | 1966 | 1979-1987 |
| MSU | SUPER TIDE | TIDEWATER INC. | 1965 | 1980-1987 |
| MSLB | SUPERIOR | GREAT LAKES TOWING CO. | 1912 | |
| MTSU | SUPREME TIDE | TIDEWATER INC. | 1974 | 19 -1995 |
| SSLB | SUSAN A. MORAN (5) | MORAN TOWING CORP. | 1941 | 1954-1977 |
| MSLB | SUSAN HOEY | GAELIC TUGBOAT CO. | 1950 | 1999- |
| MSLB | SUSAN HOEY | NORTH AMERICAN BARGE LINE INC. | 1952 | 1991-1995 |
| SSLB | T.T. MORFORD | J. S. DUNHAM | 1884 | 1884- |
| MSLB | TAHCHEE | MOBIL OIL CORPORATION | 1973 | 1992-2000 |
| SSLB | TACONY | SUSQUEHANNA COAL CORP. | 1899 | 1899- |
| MSLB | TAKELMA | U.S. NAVY | 1943 | 1943- |
| MDB | TAKO MISS | LUMAR MARINE INC. | 1976 | 1976-1980 |
| MSLB | TALITIGA | GUAM MARITIME DEPARTMENT | 1944 | |
| MSLB | TAMAHA | MOBIL OIL CORPORATION | 1981 | 1992-1999 |
| SSLB | TAMAQUA | READING CO | 1896 | 1896-1942 |
| MSLB | TAMAROA (WAT 166) | U.S.A. COAST GUARD | 1943 | 1946-1968 |
| MSLB | TAMMY M | BAY STATE TOWING CO. INC. | 1951 | 1990- |
| MSLB | TAN'ERLIQ | CROWLEY MARINE SERVICES | 1999 | 1999- |
| MSLB | TANDA 11 | R.L. TAYLOR | 1944 | 1958-1993 |
| MSLB | TANDA 12 | TAYLOR & ANDERSEN | 1943 | |
| MSLB | TARA LYNN S. | NOLTY J. THERIOT INC. | 1975 | 1975-1984 |
| MSLB | TAROZE VIZIER | VIZIER OFFSHORE TOWING INC. | 1973 | 1973-1991 |
| MSLB | TARPON | SUDERMAN & YOUNG TOWING CO. | 1944 | 1947- |
| MSLB | TARTAN SEA | OFFSHORE LOGISTICS SERV. INC. | 1974 | 1979-1985 |
| MSLB | TATNUCK (ATA 195) | U.S. NAVY | 1945 | 19 -1981 |
| SSLB | TATOOSH | PUGET SOUND TUG & BARGE CO. | 1900 | 1900- |
| MSLB | TAWASA (ATF 92) | U.S. NAVY | 1943 | 1943- |
| MSLB | TD 51 | BEAUMONT RESERVE FLEET | 1944 | |
| MSLB | TD 81 | OREGON STATE UNIVERSITY | 1944 | 1980- |
| MDB | TEAL | TWIN CITY BARGE & TOWING CO. | 1974 | 1974-1987 |
| MDB | TEN-TWENTY | ECONOMY BOAT STORE | 1966 | 1966-1999 |
| MSLB | TENNESSEE | GREAT LAKES TOWING CO. | 1917 | 1917- |
| SRSLB | TENNESSEE | U.S. ARMY CORPS OF ENGINEERS | 1930 | 1930-1955 |
| SSLB | TENSAW | U.S. NAVY | ||
| MSLB | TERENCE J. SMITH | CRESCENT TOWING CO. INC. | 1943 | 1979- |
| MSLB | TERESA MORAN | WARWICK CURTIS BAY CO. | 1967 | 1967-1976 |
| SSLB | TERMINAL ISLAND | WIILMINGTON TRANSPORT. CO. | 1926 | 1961-1989 |
| MSLB | TERN | WOOD TOWING CORP. | 1948 | 1948- |
| MSLB | TESORO COMMODORE | TESORO MARINE SERVICES CO. | 1969 | 1997-2003 |
| MSLB | TERRELL | SEDLER TOWING CO. | 1944 | |
| MSLB | TEXACO EXPLORER | INTERSTATE TOWING CO. | 1959 | 1961-1971 |
| MSLB | TEXACO FIRE CHIEF | TEXACO INC. | 1967 | 1967- |
| MSLB | TEXACO PLAISANCE | BULKFLEET MARINE LTD., No 2 | 1975 | 1975-1977 |
| MSLB | TEXACO SKY CHIEF | TEXACO INC. | 1961 | 1961-1983 |
| MSLB | TEXACO TAMPA | TEXACO INC. | 1975 | 1975-1990 |
| MSLB | TEXAN | TRANS GULF TOWING CO. LTD. | 1980 | 1981- |
| MDB | TEXAS | NEW YORK DOCK RAILWAY | 1958 | 1977-1996 |
| MSLB | THE CHIEF | C & M MARINE TOWING CO. | 1961 | |
| MSLB | THE DEACON | SUDERMAN & YOUNG TOWING CO. | 1990 | 1990- |
| MSLB | THE JUDGE | SUDERMAN & YOUNG TOWING CO. | 1977 | 1977- |
| MTSU | THERIOT OFFSHORE I | THERIOT OFFSHORE SERVICE INC. | 1974 | 1974-1977 |
| MTSU | THERIOT OFFSHORE II | THERIOT OFFSHORE SERVICE INC. | 1974 | 1974-1977 |
| MTSU | THERIOT OFFSHORE III | THERIOT OFFSHORE SERVICE INC. | 1974 | 1974-1977 |
| MTSU | THERIOT OFFSHORE IV | THERIOT OFFSHORE SERVICE INC. | 1974 | 1974-1977 |
| MTSU | THERIOT OFFSHORE V | THERIOT OFFSHORE SERVICE INC. | 1974 | 1975-1977 |
| MSLB | THERESA B. | NOLTY J. THERIOT INC. | 1969 | 1969- |
| MSLB | THERESA F. | MIDLAND ENTERPRISES INC. | 1968 | 1968-2000 |
| MSLB | THOMAS DEAN | UNITED TUGS INC. | 1963 | |
| MSLB | THOMAS E. MORAN (3) | MORAN TOWING CORP. | 1941 | 1941-1941 |
| MSLB | THOMAS POINT | MORAN TOWING CORP. | 1941 | 1941-1965 |
| MSLB | THOMAS ST. PHILIP | MANATE TUG & BARGE LINE INC. | 1957 | 1979-1990 |
| MSLB | THOR | THOR TOWING CORPORATION | 1968 | 1980-1999 |
| MTSU | THOR SERVICE | ZAPATA MARINE SERVICE INC. | 1973 | 1973-1994 |
| MDB | THRUSTON B. MORTON | AMERICAN COMMERCIAL BARGE | 1978 | 1978- |
| SSLB | TICKFAW | UNITED STATES ENGINEERING DEPT. | 1900 | 1911-1946 |
| MSLB | TIGER | COOK INLET TUG & BARGE CO. | 1927 | 1927- |
| SSLB | TILLAMOOK (AT 16) | U.S. NAVY | 1914 | 1914-1920 |
| MSLB | TILLAMOOK | SAUSE TOWING CO. | 1943 | 1985-1997 |
| MSLB | TILLICUM | WATERMAN TUG & BARGE | 1901 | |
| MSLB | TIMOTHY McALLISTER | McALLISTER BROS. INC. | 1957 | 1982- |
| MSLB | TINA | BERG. TOWING CO. | 1943 | |
| MSLB | TIPPERARY | GAELIC TUGBOAT CO. | 1930 | 1964-1968 |
| MSLB | TIRA LANI | SAUSE BROS. OCEAN TOWING CO. | 1999 | 1999- |
| MSLB | TITAN | INTRACOASTAL TOWING & TRANSP. | 1943 | |
| MSLB | TITAN | SAUSE BROS. OCEAN TOWING CO. | 1945 | |
| MSLB | TITAN | PUGET SOUND TUG & BARGE CO. | 1954 | 1954- |
| MTSU | TITAN SERVICE | ZAPATA MARINE SERVICE LTD. S.A. | 1965 | 1971- |
| MSU | TOBY TIDE | TIDEWATER CORPORATION | 1980 | 1980- |
| MSLB | TOLOWA (ATF 116) | U.S. NAVY | 1944 | 1944-1962 |
| MTSU | TORM HERON | GULF OFFSHORE MARINE INTERN. | 1999 | 1999- |
| MSLB | TOWN POINT | CURTIS BAY TOWING CO. | 1967 | 1967- |
| MSLB | TOYA ALARIO | NOLTY J. THERIOT INC. | 1965 | 1965-1973 |
| MSLB | TOYA ALARIO | NOLTY J. THERIOT INC. | 1976 | 1976-1980 |
| MSLB | TRACY | JERRY K. CHAMPION | 1953 | 1991-1998 |
| MSLB | TRACY D. | DETCO TOWING CO. | 1945 | 1978-1990 |
| MSLB | TRADEWIND SERVICE | LEEVAC MARINE INC. | 1975 | 1999- |
| MSLB | TRAMP | TIDEWATER CONSTRUCTION CO. | 1882 | |
| SSLB | TRANSFER No. 3 | NEW HAVEN & HARTFORD R.R. | ||
| SSLB | TRANSFER No. 10 | NEW HAVEN & HARTFORD R.R. | ||
| SSLB | TRANSFER No. 11 | NEW HAVEN & HARTFORD R.R. | ||
| SSLB | TRANSFER No. 15 | NEW YORK, NEW HAVEN & HARTF. | 1900 | |
| SSLB | TRANSFER No. 17 | NEW YORK, NEW HAVEN & HARTF. | 1900 | 1900- |
| SSLB | TRANSFER No. 19 | NEW HAVEN & HARTFORD R.R. | ||
| SSLB | TRANSFER No. 21 | NEW YORK, NEW HAVEN & HARTF. | 1908 | 0000-1955 |
| SSLB | TRANSFER No. 23 | NEW YORK, NEW HAVEN & HARTF. | ||
| MSLB | TRAVELLER | INTERSTATE OIL TRANSPORT. CO. | 1968 | 1977- |
| MSLB | TREASURE COAST | DANN MARINE TOWING CO. | 2007 | 2007- |
| MSLB | TRINIDAD | |||
| HEAD (MC 627) | U.S. MARITIME COMMISSION | 1943 | 1943- | |
| MDB | TRINITY | RIO TOWING CO. | 1965 | 1978-1980 |
| MSLB | TRITON | BOSTON TOWBOAT CO. | 1946 | 1946-1986 |
| SSLB | TRIUMPH | WASHINGTON TUG & BARGE CO. | 1889 | 1889- |
| S/MSLB | TROJAN | McALLISTER BROS. INC. | 1912 | 0000-1990 |
| SSLB | TROJAN | INDEPENDENT TOWING CO. | 1912 | 1981- |
| MSLB | TROJAN | BARWORTH CORPORATION | 1949 | |
| MSLB | TROJAN | INTRACOASTAL TOWING & TRANSP. | 1949 | |
| MSU | TROJAN | TROJAN OFFSHORE BOAT SERV. INC. | 1965 | 1965-1986 |
| MTSU | TROJAN SERVICE | ZAPATA MARINE SERVICE LTD. S.A. | 1963 | |
| MTSU | TROJAN TIDE | TIDEWATER INC. | 1975 | 1975-1991 |
| MSU | TROPIC MOON | JACKSON MARINE CORP. | 1972 | 1972-1985 |
| MSU | TROPIC SERVICE | ZAPATA MARINE SERVICE | 1966 | |
| MSU | TROPICAL SERVICE | ZAPATA MARINE SERVICE | 1966 | |
| MSLB | TROY | AMERICAN DREDGING CO. | 1956 | 1972- |
| MSLB | TURECAMO BOYS | VINCENT C. TURECAMO INC. | 1945 | 1945 |
| MSLB | TURECAMO GIRLS | B. TURECAMO TOWING CORP. | 1933 | 1933-1965 |
| MSLB | TURECAMO GIRLS | B. TURECAMO TOWING CORP. | 1965 | 1966-1998 |
| MSLB | TURQUOISE BAY | ATLANTIS AGENCY CORP. | 1973 | 1973- |
| MSLB | TUSCARORA (ATF 77) | U.S. NAVY | 1941 | 1941-1942 |
| MSLB | TWIN | BRONX TOWING LINE INC. | 1959 | 1959- |
| SSLB | TYEE | ALLMAN HUBBLE | 1884 | |
| SSLB | TYEE | BELLINGHAM TUG & BARGE CO. INC. | 1884 | |
| SSLB | TYEE | ALLMAN HUBBEL TUGBOAT CO. | 1925 | 1925-1942 |
| SSLB | TYEE | BELLINGHAM TUG & BARGE CO. INC. | 1927 | 1965- |
| SSLB | TYLER | WILLIAM A. BISSO Jr. | 1955 | 1955- |
| MSLB | UMPQUA | BOHEMIA LUMBER CO. INC. | 1965 | 1900-1986 |
| SSLB | UNDERWRITER | BOSTON TOWBOAT CO. | 1863 | |
| MDB | UNITED STATES | FEDERAL BARGE LINES INC. | 1960 | 1960-GESL. |
| MDB | UNIVERAL TRADER | UNIVERSAL MARINE INC. | 1967 | 1967- |
| SSLB | UTAH | GREAT LAKES TOWING CO. | 1909 | 1944- |
| MSLB | UTE (ATF 76) | U.S. NAVY | 1942 | 1942-1974 |
| MSLB | UTINA (ATF 163) | U.S. NAVY | 1945 | 1945-1971 |
| MSLB | VALIANT | BULKFLEET MARINE LTD. | 1981 | 1981- |
| MTSU | VALIANT SERVICE | ZAPATA MARINE SERVICE | 1974 | 1975-1992 |
| MSU | VALIANT TIDE | TIDWATER INC. | 1973 | 1973-1985 |
| MSLB | VALOUR | INTERSTATE OIL TRANSPORT. CO. | 1975 | 1975- |
| MSLB | VANCOUVER | SHAVER TRANSPORTATION CO. | 1993 | 1993- |
| MSLB | VAN TIDE | TIDEWATER VESSELS INC. | 1962 | 1962- |
| MASU | VEESEA DIAMOND | NICOR SUPPLY SHIPS ASSOCIATES | 1979 | 1990-1995 |
| MSU | VEESEA HURRICANE | VICTOR OFFSHORE LTD. | 1975 | 1991-2001 |
| SSLB | VEGCO | VEGOIL No. 6 CORP. INC. | 1938 | 1963-1972 |
| MSU | VENTURE SERVICE | ZAPATA MARINE SERVICE | 1974 | 1980-1993 |
| MSLB | VENUS | BOSTON TOWBOAT CO. | 1930 | 1930- |
| MSU | VIC TIDE | TIDEWATER INC. | 1969 | 1969-1986 |
| MSLB | VICKI M McALLISTER | McALLISTER TOWING & TRANSP. | 2001 | 2001- |
| MSLB | VICKY B. | NOLTY J. THERIOT INC. | 1973 | 1973-1977 |
| MSLB | VICTORIA McALLISTER | McALLISTER BROS. INC. | 1943 | 1972-1988 |
| MSLB | VICTORIOUS | GOWANUS TOWING CO. LTD. | 1950 | 1979-1990 |
| MSU | VICTORY MOON | JACKSON MARINE CORP. | 1973 | 1973-1985 |
| MTSU | VICTORY SERVICE | ZAPATA MARINE SERVICE LTD S.A. | 1973 | 1973-1992 |
| MSLB | VIGILANT | PUGET SOUND TUG & BARGE CO. | 1966 | 1966- |
| MTSU | VIGILANT | OFFSHORE LOGISTICS INC. | 1973 | 1973-1981 |
| SSLB | VIGILANT | J.D. SPRECKLES BROS. CO. | 1883 | 1891-1898 |
| MSLB | VIGILANT SERVICE | ZAPATA MARINE SERVICE INC. | 1975 | 1975-1989 |
| MSU | VIKING MOON | JACKSON MARINE CORP. | 1973 | 1973-1985 |
| MTSU | VIKING SERVICE | ZAPATA MARINE SERVICE LTD S.A. | 1973 | 1973-1991 |
| MSLB | VINCENT C. TURECAMO | TURECAMO TOWING CORP. | 1943 | 0000-1961 |
| MSLB | VINCENT D. TIBBETS, JR | BOSTON TOWING & TRANSP. CO. | 1972 | 1986- |
| MSLB | VIRGINIA PHILIPS | OLSON TOWING LINE | 1940 | 1959-1973 |
| MTSU | VIVIEN TIDE | TIDEWATER TIMBO INC. | 1973 | 1974- |
| MSLB | VOYAGER II | MARITRANS OPERATING PARTNERS | 1974 | 1990-2001 |
| MSU | VULCAN SERVICE | ZAPATA GULF MARINE INC. | 1975 | 1986-1990 |
| MSLB | W. DOUGLAS | |||
| MASTERSON | BAY-HOUSTON TOWING CO. INC. | 1967 | ||
| MSLB | W.D. HADEN II | BAY-HOUSTON TOWING CO. INC. | 1980 | 1980- |
| SSLB | W.F. DALZELL | DALZELL TOWING CO. INC. | 1912 | 1912- |
| SSLB | W.G. WILMOT | NEW ORLEANS COAL & BISSO CO. | 1892 | 1892-1937 |
| MDB | W.J. BARTA | THE VALLEY LINE CO. | 1974 | 1974-1992 |
| SSLB | W.J. HARAHAN | ASSOCIATED NAVAL ARCHITECTS | 1924 | |
| MSLB | W.R. COE | VIRGINIA RAILWAY | 1957 | 1957- |
| SSLB | WAGNERS POINT | CURTIS BAY TOWING CO. | 1941 | 1994- |
| SSLB | WALLOWA | PUGET SOUND MILLS & TIMBER | 1889 | 0000-1929 |
| MSLB | WALTER TRACY | ST. GEORGE TOWING LINE INC. | 1942 | 1954- |
| SSLB | WALTHAM | SMITH TRANSPORTATION INC. | 1898 | 0000-1934 |
| MSLB | WALTON | BOSTON TOW BOAT CO. | 1979 | 1979-1986 |
| MTSU | WANDA LOUISE | GERALD P. HEBERT ENTERPRISES | 1980 | 1980-1990 |
| SSLB | WANDERER | CHESAPEAKE & OHIO RAILWAYS | 1890 | 0000-1936 |
| SSLB | WANDERER | FOSS LAUNCH & TUG CO. | 1890 | 1936-1950 |
| MSLB | WANDO (YT 123) | PUGET SOUND TUG & BARGE CO. | 1917 | 1947- |
| MTSU | WARD TIDE | TMS ACQUISITION CORPORATION | 1975 | 1976-1986 |
| MDSLB | WARREN McKINNEY | McKINNEY TOWING INC. | 1980 | 1992-2007 |
| MSU | WARRI SEAHORSE | SEAHORSE INC. | 1981 | 1981-1991 |
| MSLB | WASP | WESTERN TOWBOAT CO. INC. | 1967 | 1967- |
| MSLB | WAHTENA (YTB 825) | U.S. NAVY | 1973 | 1973-2000 |
| MSLB | WAWASEE | MASSACHUSETTS MARITIME ACA. | 1945 | 1974- |
| MSU | WEATHERLY | OFFSHORE LOGISTICS INC. | 1975 | 1975-1990 |
| S/MSLB | WEDELL FOSS | FOSS LAUNCH & TUG CO. | 1904 | 1946-1980 |
| MSLB | WEDELL FOSS | SECURITY PACIFIC EQUIP. LEASING | 1982 | 1982- |
| MSLB | WENDY FOSS | FOSS LAUNCH & TUG CO. | 1964 | 1972-1987 |
| MSLB | WENDY MORAN | MORAN TOWING CORPORATION | 2000 | 2000- |
| MSU | WEST TIDE | TIDEWATER EXPLORATION INC. | 1963 | 1963- |
| SSLB | WESTERN | NY, O. & W. RAILWAY CO. | 1908 | 1908- |
| MSU | WESTERN | |||
| GEOPHYSICAL II | WESTERN GEOPHYSICAL CO. | 1964 | 1964-1986 | |
| MSLB | WESTERN RANGER | WESTERN TOWBOAT CO. INC. | 1968 | |
| MSLB | WESTERN TITAN | WESTERN TOWBOAT CO. INC. | 1998 | 1998- |
| MSLB | WESTRAC | WESTERN TOWBOAT CO. INC. | 1988 | 1988- |
| MSLB | WICKLOW | GAELIC TUGBOAT CO. | 1952 | 1983-1990 |
| MSU | WILDEBEEST | PORTAL BOAT CO. (PENROD) | 1973 | 1973-1994 |
| MSLB | WILLIAM | ALASKA FREIGHT LINES INC. | 1943 | 1955-1966 |
| SSLB | WILLIAM A. WHITNEY | WHITNEY BROS. CO. | 1920 | 1920-1975 |
| SSLB | WILLIAM C. MOORE | MORAN TOWING CORPORATION | 1919 | 1929-1955 |
| MSLB | WILLIAM C. SELVICK | SELVICK MARINE TOWING CO. | 1944 | 1977- |
| MTSU | WILLIAM DAMPIER | EURO PIRATES INTERNATIONAL | 1974 | 1974-1976 |
| SSLB | WILLIAM F. MESECK | MESECK TOWING & TRANSP. CO. | 1919 | 0000-1954 |
| SSLB | WILLIAM G. HOWARD | T.J. HOWARD | 1919 | |
| MSLB | WILLIAM HOEY | GAELIC TUGBOAT CO. | 1954 | 1987-1993 |
| MSLB | WILLIAM J. MORAN | MORAN TOWING CORPORATION | 1938 | 1938-1940 |
| MSLB | WILLIAM L. COLNON | GREAT LAKES DREDGE & DOCK CO. | 1975 | 1986- |
| MSLB | WILLIAM S. SMITH | CRESCENT TOWAGE & SALVAGE | 1943 | 1950-1970 |
| MSLB | WILLIAM W. SPRAQUE | ATLANTIC TOWING CO. | 1974 | 1974-1990 |
| SSLB | WILMINGTON | WILMINGTON TRANSPORTATION | 1926 | 1954-1989 |
| MSLB | Wm. H. McALLISTER | McALLISTER BROS. INC. | 1943 | 1943- |
| MSLB | WM. P. FEELEY | GREAT LAKES DREDGE & DOCK CO. | 1946 | 1951-1973 |
| MSU | YAK | PENROD DRILLING CO. | 1973 | 1973-1977 |
| MSLB | YANKTON (WYTM 72) | U.S. COAST GUARD | 1943 | 1943- |
| MSLB | YONAGUSKA | |||
| (YTB 195) | U.S. NAVY | 1944 | ||
| MSLB | YORKTOWN | McLEAN CONTRACTING COMPANY | 1940 | 1940- |
| MTSU | YOUNG AMERICA | OFFSHORE LOGISTICS SERV. INC. | 1971 | 1971-1987 |
| MSLB | Z-ONE | TUGZ INTERNATIONAL LLC | 1996 | 1996- |
| MSLB | Z-THREE | TUGZ INTERNATIONAL LLC | 1996 | 1996- |
| MSLB | Z-TWO | TUGZ INTERNATIONAL LLC | 1996 | 1996- |
| MSLB | ZENO | DOLPHIN ENTERPRISE INC. | 1967 | 1967- |
| MSLB | ZEUS | BARWORTH CORPORATION | 1957 | 1957- |
| MSLB | ZEUS | PUGET SOUND TUG & BARGE CO. | 1970 | 1970-1975 |
| MSLB | ZP CHALONE | FAUSTUG MARINE CORP. | 1982 | 1982-1987 |