Vi har så langt registrert 4 509 verft
| Navn | | J. Pollock Sons & Co. Ltd., Faversham |
| J.P. Renoldsen & Sons, South Shields, UK |
| J. Priestman & Co., Sunderland, UK |
| J.R. Aas Skipsbyggeri A/S, Vestnes, Molde |
| J. Readhead & Co., South Shields, UK |
| J. Ring Andersen, Svendborg, Danmark |
| J. & R. McLeod, Black River, New Brunswick, Canada |
| J. Robert Thompson & Sons, Southwick, UK |
| J. Robinsons Shipbuilders, Pallion, Sunderland, UK |
| J. Robinson,Sunderland |
| J. Rogerson, Sunderland, UK |
| J. Rowan, Indiantown, St, John, New Brunswick, Canada |
| J&R Reed, St. John, Canada |
| J. Räst, Søderhamn, Sverige |
| J. Ruddock, Memrancook, New Brunswick, Canada |
| J. Salvesen, Haastedts Verft, Namsos |
| J. Samson & Co., Quebec, Canada |
| J. Scott & Co., Kinghorn, Scotland |
| J.S. Covert, Oromocto, New Brunswick |
| JSC Shipyard Zaliv, Kerch/Crimea |
| J. S. Doig Ltd. Grimsby, UK |
| J. Shearer & Son, Glasgow. Scotland |
| J. Simms, Plymouth, Nova Scotia |
| J. Smit Czn., Alblasserdam, Holland |
| J. Smith, Portsoy, Banff, Skottland |
