Vi har så langt registrert 4 539 verft
| Navn | | 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. 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 |
| J.Crown & Co.Ltd., Sunderland |
| J & C Short, St. Stephens, New Brunswick, Canada |
| J. C. Tecklenberg, Bremerhaven, Tyskland |
| J.C.Tecklenborg A/G, Wesermünde,Tyskland |
| J.C. Tecklenburg, Geestemünde, Tyskland |
| J. Davidson, Hantsport, Windsor, Nova Scotia, Canada |
