We have so far registered 4,561 shipyards
| Name | | Jensen,Trondheim |
| Jens Gran, Graneverftet, Laksevaag, Bergen |
| Jens Grans Skibsverft, Laksevåg, Bergen |
| Jens Jørgensen & Svend Knudsens Verft, Drammen |
| Jens Nielsen, Langesund |
| Jens Nilsen, Tjørve, Lista |
| Jens Tellefsen, Fjære, Grimstad |
| Jens T. Ugland, Dramsvigen, Grimstad |
| Jeremias Meyjes & Zoon, Amsterdam |
| Jernbetonskibs-byggeriet A/S, Greaaker |
| Jersey |
| J. E. Woodworth, Cornwallis, Nova Scotia, Canada |
| J. Fandam, Overschie, Holland |
| J.F. Duthie & Co. Seattle, WA. USA |
| J. Fell, Workington, UK |
| J. Fisher & Son, St John, New Brunswick, Canada |
| J. Fladen, Grimstad |
| J. F. Olsson, Lödöse, Sverige |
| J. Fraser, St. John, New Brunswick, Canada |
| J. Fredrichs & Co A/G, Einswarden |
| J. Frerichs & Co. A/G., Einswarden, Tyskland |
| J.F. Strange, Fünfhausen, Tyskland |
| J. Gardner, Sunderland, UK |
| J.G. Hitzler Schiffsw. u. Maschinfabr., Lauenburg, Tyskland |
| J. Gill, Sunderland, UK |
