LIBERTY SHIPS - ENGINE BUILDERS
| 01 | Alabama Marine Engine Co, Birmingham, Alabama. |
| 02 | American Shipbuilding Co, Cleveland, Ohio. |
| 03 | Canadian Allis-Chalmers Ltd, Montreal. |
| 04 | Clark Bros Co, Cleveland, Ohio. |
| 05 | Dominion Engineering Works Ltd, Montreal. |
| 06 | Ellicott Machine Corp, Baltimore, Maryland. |
| 07 | Filer & Stowell Co, Milwaukee, Wisconsin. |
| 08 | General Machinery Corp, Hamilton, Ohio. |
| 09 | Harrisburg Machinery Corp, Harrisburg, Pennsylvania. |
| 10 | Iron Fireman Manufacturing Co, Portland, Oregon. |
| 11 | Joshua Hendy Ironworks, Sunnyvale, California. |
| 12 | John Inglis Co. Ltd, Toronto, Ontario. |
| 13 | National Transit Company, Oil City, Pennsylvania. |
| 14 | Oregon War Industries Inc, Portland, Oregon. |
| 15 | Springfield Machine & Foundry Company, Springfield, Massachusetts. |
| 16 | Toledo Shipbuilding Co, Toledo, Ohio. |
| 17 | Vulcan Iron Works, Wilkes-Barre, Pennsylvania. |
| 18 | Willamette Iron & Steel Corp, Portland, Oregon. |
| 19 | Worthington Pump & Machinery Corp, Harrison, New Jersey. |
| 20 | Hamilton Engineering Works, Brunswick, Georgia. |
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