United Boat Service was essentially a yacht repair and maintenance facility, at the foot of Carroll Street, that was drafted into boatbuilding for the war. It was sold n 1975 and converted to condominiums. If anyone can provide any additional information about the boats it built, please e-mail me at timcolton@aol.com
| Hull # | Original Name | Original Owner | Type | Feet | Delivery | Disposition |
| Donna Marie | Fishing Vessel | 54 | 1942 | Now Goodnews | ||
| BTL 810 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24515 | |
| BTL 811 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24516 | |
| BTL 812 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24517 | |
| BTL 813 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24518 | |
| BTL 814 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24519 | |
| BTL 815 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24520 | |
| BTL 816 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24521 | |
| BTL 817 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24522 | |
| BTL 818 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24523 | |
| BTL 819 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24524 | |
| BTL 820 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24525 | |
| BTL 821 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24526 | |
| BTL 822 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24527 | |
| BTL 823 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24528 | |
| BTL 824 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24529 | |
| BTL 825 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24530 | |
| BTL 826 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24531 | |
| BTL 827 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24532 | |
| BTL 828 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24533 | |
| BTL 829 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24534 | |
| BTL 830 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24535 | |
| BTL 831 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24536 | |
| BTL 832 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24537 | |
| BTL 833 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24538 | |
| BTL 834 | U.S. Army | Barge, Tank, Landing | 50 | 3/43-4/43 | Later C 24539 | |
| 41 | ST 333 | U.S. Army | Small Tug | 74 | 11/43-3/44 | To Italy 1948 as Nisida (Y 437). Stricken as target ship 1992 |
| 42 | ST 334 | U.S. Army | Small Tug | 74 | 11/43-3/44 | Sold 1950 as Eléonore. Dismantled 1969 |
| 43 | ST 335 | U.S. Army | Small Tug | 74 | 11/43-3/44 | To Finland 1946 as minesweeper (DR-18), sold as tug Alpo 1952, still active, see her here |
| 44 | ST 336 | U.S. Army | Small Tug | 74 | 11/43-3/44 | Sold 1945, then No.35. Scrapped 1988 |
| 45 | ST 337 | U.S. Army | Small Tug | 74 | 11/43-3/44 | To Finland 1946 as minesweeper (DR-9), sold as tug Pantera 1948 |
| 46 | ST 338 | U.S. Army | Small Tug | 74 | 11/43-3/44 | Damaged by mine 8/8/1945. To Finland 1946 as minesweeper (DR-6), sold as tug Puma 1949 |
| 47 | ST 339 | U.S. Army | Small Tug | 74 | 11/43-3/44 | To Finland 1946 as minesweeper (DR-14), sold as tug Ferro 1949 |
| 48 | ST 340 | U.S. Army | Small Tug | 74 | 11/43-3/44 | Sold 1945, then No.32. |
| 334 | ST 508 | U.S. Army | Small Tug | 86 | 5/44-11/44 | Sold as Ostende I 1945, Pouliguen 1955, Graci 1974, scrapped 1989 |
| 335 | ST 509 | U.S. Army | Small Tug | 86 | 5/44-11/44 | Sold as Charles L Hogan 1946, K Statler 1973, Rigger II 1975 |
| 336 | ST 510 | U.S. Army | Small Tug | 86 | 5/44-11/44 | Sold as Zulia 1948, Harrison 195x, scrapped 1998 |
| 337 | ST 511 | U.S. Army | Small Tug | 86 | 5/44-11/44 | Capsized and lost in the North Atlantic 1944 |
| 338 | ST 512 | U.S. Army | Small Tug | 86 | 5/44-11/44 | To NDRF as TD 12. later TD 36 |
| 339 | ST 513 | U.S. Army | Small Tug | 86 | 5/44-11/44 | To NDRF as TD 13. later TD 34 |
| 340 | ST 514 | U.S. Army | Small Tug | 86 | 5/44-11/44 | Sold as Senator 194x |
| 341 | ST 515 | U.S. Army | Small Tug | 86 | 5/44-11/44 | Sold as Paul Cassin 1948, Augusteo 1958, Kerveros 1976, Andromache 1989, scrapped 1991 |
| 342 | ST 516 | U.S. Army | Small Tug | 86 | 5/44-11/44 | Sold as Old Jo 1945, Pauillac 1950, Mancor IX 1965, Anchise 1981, scrapped 1991 |
| 343 | ST 517 | U.S. Army | Small Tug | 86 | 5/44-11/44 | To NDRF as TD 24 |