U.S. Builders of Large Ships Since WWII
Since WWII, 80 U.S. shipbuilders have built the larger types of ocean-going vessels, including naval ships and submarines, cargo ships, passenger ships, other special-purpose commercial or governmental ships, and offshore drilling rigs. All have (or had) a significant record of performance, involving more than a few years and more than a few ships. The table below is structured in three groups:
The "big five" - which are actively building most of the US Navy's large commissioned ships and submarines.
The "second tier" - which are actively building commercial ships, rigs and/or oceangoing government ships that are smaller and less expensive than those built by the "big five".
Other yards which have built significant numbers of large vessels since WWI but which are no longer active.
| Builder | Since | Location | State |
| Group A - Major Active Builders of Large Naval Vessels | |||
| GD/Bath Iron Works | 1890 | Bath | ME |
| GD/Electric Boat | 1899 | Groton | CT |
| GD/NASSCO | 1944 | San Diego | CA |
| HII/Ingalls Shipbuilding | 1939 | Pascagoula | MS |
| HII/Newport News Shipbuilding | 1886 | Newport News | VA |
| Group B - Other Active Builders of Large Vessels | |||
| Austal USA | 2000 | Mobile | AL |
| Bollinger Shipyards | 1962 | Amelia | LA |
| Chouest North American Shipbuilding | 1974 | Larose | LA |
| Fincantieri Bay Shipbuilding (formerly Christy Corp., Sturgeon Bay SB) | 1885 | Sturgeon Bay | WI |
| Fincantieri Marinette Marine | 1942 | Marinette | WI |
| Halter Marine Pascagoula (formerly VTHM Pascagoula) | 1998 | Pascagoula | MS |
| Halter Marine Offshore (formerly FGO Pascagoula) | 1998 | Pascagoula | MS |
| Keppel AmFELS (formerly Marathon LeTourneau) | 1971 | Brownsville | TX |
| Philly Shipyard (formerly Aker Phila., Kvaerner Phila.) | 2000 | Philadelphia | PA |
| Vigor Seattle (formerly Todd Seattle) | 1890 | Seattle | WA |
| Vigor Portland (formerly Port of Portland, Cascade General, US Barge) | 2005 | Portland | OR |
| Group C - Builders of Large Vessels Which Have Closed Since World War I | |||
| Alabama Shipyard (formerly ADDSCO, Atlantic Marine Alabama, Alabama SY, BAE Systems SE) | 2006 | Mobile | AL |
| Albina Engine & Machine Works | 1971 | Portland | OR |
| American Bridge | 1981 | Ambridge | PA |
| AmShip Buffalo (formerly Buffalo Dry Dock) | 1958 | Buffalo | NY |
| AmShip Chicago (formerly Chicago SB) | 1958 | Chicago | IL |
| AmShip Cleveland (formerly Globe Iron Works) | 1945 | Cleveland | OH |
| AmShip Detroit (formerly Detroit SB) | 1920 | Detroit | MI |
| AmShip Lorain (formerly Cleveland SB) | 1981 | Lorain | OH |
| AmShip Toledo (formerly Craig SB) | 1981 | Toledo | OH |
| AmShip Superior (formerly American Steel Barge and Superior SB) | 1919 | Superior | WI |
| Avondale Shipyards | 2006 | New Orleans | LA |
| Bender Shipbuilding (formerly Bender Welding) | 2009 | Mobile | AL |
| Bethlehem Beaumont (formerly Pennsylvania SY) | 1994 | Beaumont | TX |
| Bethlehem Elizabethport (formerly Crescent SY) | 1926 | Elizabethport | NJ |
| Bethlehem Key Highway (formerly Baltimore DD & SB) | 1974 | Baltimore | MD |
| Bethlehem Quincy (formerly Fore River SB, GD Quincy) | 1983 | Quincy and Squantum | MA |
| Bethlehem San Francisco (formerly Union Iron Works) | 1981 | San Francisco and Alameda | CA |
| Bethlehem San Pedro (formerly Southwestern SB) | 1946 | San Pedro | CA |
| Bethlehem Sparrows Point (formerly Maryland Steel) | 1999 | Sparrows Point | MD |
| Bethlehem Staten Island (formerly Staten Island SB) | 1958 | Staten Island | NY |
| Bethlehem Wilmington (formerly Harlan & Hollingsworth) | 1926 | Wilmington | DE |
| Butler Shipbuilders, Inc. (formerly McDougall-Duluth) | 1945 | Duluth | MN |
| Cramp Shipbuilding | 1945 | Philadelphia | PA |
| Defoe Shipbuilding (formerly Defoe Boat & Motor Works) | 1976 | Bay City | MI |
| Delaware River Iron SB (Roach's Shipyard, formerly Reaney, Son & Archbold, Merchant SB) | 1922 | Chester | PA |
| Dravo Pittsburgh - Self-Propelled Vessels and Dravo Pittsburgh - Barges | 1982 | Pittsburgh | PA |
| Dravo Wilmington (formerly Harlan & Hollingsworth, Bethlehem Wilmington) | 1965 | Wilmington | DE |
| Federal Shipbuilding Kearny/Newark | 1947 | Kearny | NJ |
| Great Lakes Engineering Ashtabula/Ecorse | 1946 | Ashtabula | OH |
| Gulf Shipbuilding (formerly Chickasaw SB, Halter Chickasaw) | 1982 | Chickasaw | AL |
| Gulfport Shipbuilding (formerly Gulfport Boiler & Welding Works) | 1982 | Port Arthur | TX |
| Ingalls Iron Works | 1981 | Decatur | AL |
| Lake Torpedo Boat Co. | 1922 | Bridgeport | CT |
| LeTourneau Inc. (formerly Marathon LeTourneau) | 2011 | Vicksburg | MS |
| Levingston Shipbuilding | 1982 | Orange | TX |
| Lockheed Shipbuilding (formerly Puget Sound Bridge & Dredging) | 1987 | Seattle | WA |
| Long Beach Shipbuilding (formerly Craig SB) | 1943 | Toledo | OH |
| Manitowoc Shipbuilding | 1972 | Manitowoc | WI |
| Marietta Manufacturing | 1962 | Point Pleasant | WV |
| Maryland Shipbuilding & Dry Dock (formerly Globe SB) | 1976 | Baltimore | MD |
| Merrill-Stevens Engineering (later Jacksonville Shipyards) | 1953 | Jacksonville | FL |
| Moore Dry Dock (formerly Moore SB) | 1956 | Oakland | CA |
| New York Shipbuilding Company | 1967 | Camden | NJ |
| Peterson Builders (formerly Peterson Boat Works) | 1997 | Sturgeon Bay | WI |
| Pusey & Jones | 1946 | Wilmington | DE |
| Seatrain Shipbuilding (formerly New York NSY) | 1979 | Brooklyn | NY |
| Southern Shipbuilding (formerly Canulette SB) | 1986 | Slidell | LA |
| Sun Shipbuilding & Dry Dock Company | 1983 | Chester | PA |
| Tacoma Boatbuilding | 1989 | Tacoma | WA |
| Tampa Shipbuilding (TASCO) | 1946 | Tampa | FL |
| Tampa Shipyards (later Tampa Bay Shipbuilding) | 1990 | Tampa | FL |
| Todd Galveston (formerly Gray's Iron Works) | 1986 | Galveston | TX |
| Todd Houston (formerly Brown Shipbuilding) | 1982 | Houston | TX |
| Todd Los Angeles (formerly Los Angeles Shipbuilding) | 1989 | San Pedro | CA |
| Todd Tacoma (formerly Sea-Tac Shipbuilding) | 1946 | Tacoma | WA |
| Welding Shipyards | 1950 | Norfolk | VA |
| Western Pipe & Steel San Pedro | 1947 | San Pedro | CA |
| Western Pipe & Steel South San Francisco | 1946 | South San Francisco | CA |