This table lists self-propelled, oceangoing ships built before WWII in shipyards for which we have no information at all, not even a location. If anyone can tell us anything about any of these yards, please e-mail us at tim@coltoncompany.com.
| Shipbuilder | Hull # | Original Name | Original Owner | Vessel Type | GT | Delivered | Disposition |
| Allen and Blaisdale | Santiago | 168 | 1881 | ||||
| Allen and Blaisdale | Susie Hazard | 98 | 1881 | ||||
| Allen and Blaisdale | Kansas Millers | 34 | 1885 | ||||
| American Boat Works | Polly | Yacht | 50 | 1899 | |||
| American Boiler Works | Gertrude T. | 37 | 1911 | ||||
| Andrews, J. L. | C. W. Lyon | 98 | 1905 | ||||
| Ayers, Samuel | Presto | Yacht | 22 | 1897 | |||
| Ayers, Samuel | Arrow | Yacht | 82 | 1901 | |||
| Babitt, Benjamin T. | Experiment | 140 | 1882 | ||||
| Baird and Houston | Catharine | 60 | 1876 | ||||
| Baird and Houston | Elmore A. Kent | 87 | 1877 | ||||
| Baird and Houston | Joseph Stickney | 134 | 1877 | ||||
| Baird and Houston | Aguila | 99 | 1878 | ||||
| Bartlett, Hayward and Co. | Comfort | Yacht | 86 | 1887 | |||
| Bateman, John | George Edward | 49 | 1909 | ||||
| Bateman, John | Lorain | 49 | 1909 | ||||
| Battee, H. S. | Iyotan | Yacht | 12 | 1900 | |||
| Bechtoldt, Edward | Flindt | Yacht | 13 | 1897 | |||
| Benson, M. E. | Beatrice | 5 | 1908 | ||||
| Benson, M. E. | Geneva | 33 | 1912 | ||||
| Bernhard, John H. | A. & N.O.T. Co. Barge No. 1 | A. & N.O.T. Co. | Tank Barge | 416 | 1913 | ||
| Bernhard, John H. | Halifax | Yacht | 142 | 1914 | |||
| Bigler, James | Hopatcong | Hoboken Land Co. | Ferry | 843 | 1885 | ||
| Bigler, James | Musconetcong | Hoboken Land Co. | Ferry | 842 | 1885 | ||
| Bigler, James | Dagmar | Yacht | 88 | 1886 | |||
| Bigler, James | South Brooklyn | 728 | 1887 | ||||
| Bigler, James | West Brooklyn | 740 | 1887 | ||||
| Bigler, James | Electron | Yacht | 27 | 1891 | |||
| Birely, Jacob | Mount Vernon | Washington and Fredericksburg S.B. Co. | Steamboat | 359 | 1848 | Abandoned 1880 | |
| Birkbeck and Hodges | No Name | Launch | 1850 | ||||
| Birkbeck and Hodges | Virginia | Miss. Sound Co. | Steamship | 722 | 1857 | Burned 1858 | |
| Birkenhead Iron Works (England) | 2 | John Randolph | Gazaway Bugg Lamar | Steamboat | 177 | 1834 | Sunk 1865 |
| Birkenhead Iron Works (England) | 6 | Chatham | Steamboat Company of Georgia | Steamboat | 198 | 1836 | Abandoned 1865 |