We have so far registered 4,509 shipyards
| Name | | 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 |
| J. Davison, Sunderland, UK |
| J.D. Behrens, Brake, Tyskland |
| J. & D. Birnie, Montrose, Skottland |
| J. Desmond, Chatham, New Brunswick, Canada |
| J. D. Raymond, Church Point, Digby, Nova Scotia, Canada |
| J. Drewes & Co. Gideon, Groningen, Nederland |
| J. Duthie Sons & Co., Aberdeen, UK |
| J. Duthie Torry Ship Building Co., Aberdeen, Scotland |
| J.D. Warlow, Neyland, Milford, UK |
| Jeffersonville Boat and Machine Co. Jeffersonville, IN. USA |
