In World War II, more than 275 shipbuilders, boat builders and steel fabricators produced more than 12,300 vessels for the U.S. Army. Click on the column headings to go to the tables of individual boats.
| Boatbuilder | Location | Cargo Ships (FS) | Tankers (Y) | Ocean Tugs (LT and ST) | Yard Tugs (MT and MTL) | Mine Craft (MP, M and L) | Corps of Engrs. | Defense Plant Corp. (DPC) | Small Craft | Barges |
| Aberdeen Shipyards | Aberdeen WA | 3 | ||||||||
| Ackerman Boat | Newport Beach CA | 6 | 15 | |||||||
| Adams Boat Works | Seattle WA | 3 | ||||||||
| Alexander, L. F. | New Orleans LA | 4 | 7 | |||||||
| Allen Boat | Harvey IL | 8 | 4 | 66 | ||||||
| American Car & Foundry | Wilmington DE | 88 | ||||||||
| American Bridge | Pittsburgh PA | 376 | ||||||||
| American Machinery | Orlando FL | 29 | 50 | |||||||
| American Ship Building | Buffalo NY | 8 | ||||||||
| American Steel Dredge | Wayne IN | 1 | 242 | |||||||
| Ashbridge Boat Works | Los Angeles CA | 20 | ||||||||
| Astoria Marine Construction | Astoria OR | 15 | ||||||||
| Baird, J. T. | Shreveport LA | 40 | ||||||||
| Barbee Marine | Seattle WA | 10 | 8 | |||||||
| Barbour Metal Boat Works | Valley Park MO | 4 | ||||||||
| Berkeley Steel Construction | Berkeley CA | 1 | ||||||||
| Bethlehem Fabricators | Bethlehem PA | 28 | ||||||||
| Bethlehem Steel | Cincinnati OH | 198 | ||||||||
| Birchfield Boiler | Tacoma WA | 14 | 6 | |||||||
| Boespflug Construction | Seattle WA | 34 | ||||||||
| Boland Machine Works | New Orleans LA | 16 | ||||||||
| Brewster Shipyard | Bay Shore NY | 9 | 10 | |||||||
| Blanchard Boat | Seattle WA | 7 | ||||||||
| Brownsville Shipbuilding | Brownsville TX | 20 | 17 | 20 | ||||||
| Brownback, H. L. | Morristown PA |