Miscellaneous Ships Built in U.S. Shipyards Since WWII
Most recent update: April 25, 2020.
The maritime industry periodically produces something new and the vessels listed below fit no particular category of ship type. There are probably more and they will be added as they come to mind.
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| Year | Type | Name | Customer | Builder | O/N | GT | LOA | Price ($M) | Notes | |
| 1991 | incinerator ship | Apollo One | At-Sea Incineration | Tacoma boat | 433 | 681105 | 7,182 | 347 | 37 | later Red Sea, Alaskan Pilot, American Freedom |
| 1991 | incinerator ship | Apollo Two | At-Sea Incineration | Tacoma boat | 434 | 7,244 | 347 | 37 | later Atlantic Dawn, Annelies Ilena (Netherlands) | |
| 1979 | pipelay ship | Apache | Santa Fe Drilling | Todd Galveston | 56 | 603819 | 7,280 | 403 | 29 | later CSO Apache (Marshall I.) |
| 1991 | prison ship | Vernon C. Bain | New York City | Avondale Ind. | 2368 | 979896 | 47,326 | 600 | inactive | |
| 2000 | rocket carrier | Delta Mariner | Foss Maritime/NASA | Halter Marine | 1835 | 1094576 | 8,677 | 287 | 35 | |
| 1952 | sludge carrier | Owl's Head | New York City | Mathis SB | 189 | 264047 | 1,643 | 268 | retired 2007 | |
| 1959 | sludge carrier | Bowery Bay | New York City | Mathis SB | 214 | 279514 | 1,578 | 268 | scrapped 1992 | |
| 1968 | sludge carrier | Newtown Creek | New York City | Wiley Mfg. | 692 | 513032 | 2,557 | 305 | reefed off Pompano Beach 2016 | |
| 1974 | sludge carrier | North River | New York City | Maryland SB | 144 | 557170 | 2,617 | 305 | retired | |
| 2008 | sludge carrier | Red Hook | New York City | AMFELS | 191 | 1210114 | 3,135 | 333 | ||
| 2013 | sludge carrier | Hunts Point | New York City | Bollinger SY | 573 | 1240445 | 2,828 | 280 | 28 | |
| 2014 | sludge carrier | Port Richmond | New York City | Bollinger SY | 574 | 1240446 | 2,828 | 280 | 28 | |
| 2014 | sludge carrier | Rockaway | New York City | Bollinger SY | 575 | 1240447 | 2,828 | 280 | 28 | |
| 1992 | sulfur carrier | Benno C. Schmidt | Freeport McMoran | Eastern SB | 15 | 981472 | 6,133 | 13 | Energy Service 9002, HOS Centerline | |
| 1992 | sulfur carrier | W. K. McWilliams, Jr. | Freeport McMoran | Eastern SB | 16 | 988333 | 6,133 | 13 | Energy Service 9001, HOS Strongline | |
| 1994 | sulfur carrier | Sulphur Enterprise | Freeport McMoran | McDermott SB | 294 | 1024115 | 16,617 | 491 | 58 |