We have so far registered 4,561 shipyards
| Name | | 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 |
| J. E. Gingras, Quebec, Canada |
| J. E. Hube, Gøteborg, Sverige |
| J. Elder & Co. Glasgow, Scotland |
| J. Elg, Bjørneborg, Pori, Finland |
| Jeløen v/Moss |
| J. & E. M. Flood, Eidanger pr. Porsgrunn |
| Jens Brandis, Kirkeholmen, Kragerø |
| Jensen, Slagen, Tønsberg |
| Jensens Værft, Trondheim |
