We have so far registered 4,509 shipyards
| Name | | Jacob Kiellands & Søns Verft, Sandviken, Stavanger |
| Jacob M. Iversen, Son |
| Jacob Nielsens Verft, Brevik |
| Jacobstad, Finland |
| Jacob Woxens Son Verft, Son, Akershus |
| Jadewerft Gmbh., Wilhelmshafen, Tyskland |
| J.A. Harvie, Newport, Nova Scotia, Canada |
| J. Ahlers, Elsfleth, Tyskland |
| J.A. Jones Construction Co. Inc. Brunswick, GA. USA |
| J.A. Jones Construction, Co. Inc. Panama City. FL, USA |
| Jakobson Shipyard, Oyster Bay, NY. USA |
| J.A. Køhlers værft, Stavanger |
| J. Albin, Salmon River, Nova Scotia, Canada |
| J. A. Liedberg, Sundsvall, Sverige |
| James Brown & Hammer Ltd. Durban, Syd Afrika. |
| James Crow, Clifton, Nova Scotia, Canada |
| James & David Birnie, Montrose, Skottland |
| James Edwards, South Shields, UK |
| James Hardie, Southwick, Sunderland |
| James Laing, Sunderland, England |
| James Lamont & Co. Ltd., Port Glasgow, UK |
| James McNairn, Buctouche, New Brunswick |
| James Young, South Shields, UK |
| J.A. Meyer, Lubeck, Tyskland |
| J. Andreassen, Kragerø |
