Vi har så langt registrert 4 561 verft
| Navn | | J. Simms, Plymouth, Nova Scotia |
| J. Smit Czn., Alblasserdam, Holland |
| J. Smith, Portsoy, Banff, Skottland |
| J.Smiths Jernskibsbyggeri, Tvedestrand |
| J. Smit & Zoon, Foxhol, Nederland |
| J. Smit & Zoon’s Yard, Alblasserdam, Nederland |
| J. Smurthwaite, Sunderland, England |
| J. Smurthwaite, Sunderland, England |
| J. Smurthwaite, Sunderland, England |
| J.S. Steele, Cornwallis, Nova Scotia, Canada |
| J. Steel jr., Liverpool, Uk |
| J. Steffen, Lübeck, Tyskland |
| J. Stenersen, Risør |
| J. Stewart, St. John, New Brunswick, Canada |
| J. Storviks Mek. Verksted, Kristiansund |
| J.S. Watson, Gainsborough |
| J. S. White & Co. Ltd. Cowes, UK. |
| J. Taylor, Chelsea, Boston, MA, USA |
| J.T. Fortu, Medford, MA, USA |
| J.T. Foster, Medford, Mass., USA |
| J.T. Fryde, Fjære, Grimstad |
| J. Th. Winming & Co, Gideon, Holland |
| J.Th. Winming & Co., Groningen, Nederland |
| J. Titus, Rothesay, New Brunswick, Canada |
| J. Trakey, Maitland, Nova Scotia, Canada |
