Vi har så langt registrert 4 561 verft
| Navn | | Jas. Oliver, Quebec, Canada |
| J.A. Strandberg, Sundsvall, Sverige |
| Jas Willis, Miramichi, Nova Scotia, Canada |
| J. & A. van der Schuyt, Papendrecht, Holland |
| J.A. Westervelt, New York, USA |
| J. Bagn, Thorskog, Sverige |
| J. Bang, Grimstad |
| J. B. Balley, Shoreham, UK |
| J. Bingay, St. Mary Bay, Nova Scotia, Canada |
| J.B. North, Hantsport, Horton, Nova Scotia, Canada |
| J.B. North, Horton, Nova Scotia, Canada |
| J. Bodewees Scheepsbouw, Hoogezand, Nederland |
| J. Boel & Zonen, Temse, Belgia |
| J. Bonnesen, Malmø |
| J. Bosse, Burg, Tyskland |
| J. Brandi, Dybvaag |
| J. Brevig, Skien |
| J. B. Robichau, Meteghan, Nova Scotia. Canada |
| J. Brown & Co. Ltd. Glasgow, Uk. |
| J. Brown & Hamer, Durban, Sør-Afrika |
| J. Carson, St. Martins, New Brunswick, Canada |
| J.C. Hoad, Rye, Sussex, UK |
| J. Coughlan & Sons. Vancouver, Canada |
| J. C. Pope, Cascumpec, Prince Edward Island, Canada |
| J. & C.P. Titcomb, Kennebunk, Maine, USA |
