We have so far registered 4,509 shipyards
| Name | | J.H. Mathis Co.,Camden,N.J.,USA |
| J. H. Moran, St. Martins, New Brunswick, Canada |
| J. H. N. Wichhorst, Hamburg, Tyskland |
| J.H. Wilken, Ribnitz, Tyskland |
| Jiangnan Shipyard Co Ltd, Beijing |
| Jiangnan Shipyard (Group), Shanghai, China |
| Jiangsu Hantong Heavy Ind.Co.Ltd.,Tongzhou |
| Jiangsu Rongsheng Heavy Ind. Co Ltd, Shanghai |
| Jiangsu Zhenjiang Shipyard,Zhenjiang |
| J.J. Abrahams, Baltimore, USA |
| J.Jacobs, Moorrege, Tyskland |
| J. & J. A. Seaburg, S. C. Blanchard, Yarmouth, Maine, USA |
| J.J. Bager, Arøskøping, Danmark |
| J. Jeffrey, Tusket, Nova Scotia, Canada |
| J. Jensen, Fagerheim v/ Tønsberg |
| J. Jeo, Prince Edvard Island, Canada |
| J.J. Gibbon, Sunderland |
| J. & J. H. Vogt , Jeløy( Moss Skipsverft) |
| J. Johanson, Bastholmen, Sverige |
| J. Joosevelt & Joyce & Co., New York, USA |
| J. Jürgens, Elsfleth, Tyskland |
| J.J. Sietas, Cranz-Neuenfelde, Tyskland |
| J.J. Sietas KG Schiffswerft GmbH & Co, Hamburg |
| J.J. Tryde, Fjære, Grimstad |
| J. Jørgensen, Drammen |
