589 vessels - 100 tugs, 21 towboats and 467 barges - were built by 34 shipyards for the use of the Defense Plant Corporation
| Shipbuilder | Location | Original Name | Type | Type | #s | # of Vessels | Steel or Wood | Feet | Delivery | Disposition |
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 1 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 2 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 3 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 4 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 5 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 6 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 7 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 8 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 9 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 10 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 11 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 12 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 13 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 14 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 15 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 16 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 17 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 18 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 19 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 20 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 21 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 22 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC | 23 | S | 86 | 1944 | |||
| Lawley & Son, Geo. | Neponset MA |
Tug |
DPC |