We have so far registered 4,561 shipyards
| Name | | S. Ohlsson, Timmernabben, Sverige |
| Solnes Båt A/S, Otterøy |
| S. Olsen, Kristiansand |
| S. Olsen, Melsomvik, Tønsberg |
| S. Olsens Verft, Kamfjord, Sandefjord |
| Solsiden 1 A/S, Risør |
| S. Olsson, Tenggrenstorp Varv, Venersborg, Sverige |
| Solstrand Slip & Båtbyggeri A/S, Tomrefjord |
| Solstrand Verft A/S, Tomrefjord |
| Solund Verft A/S, Hardbakke |
| S. Ommundsen, Tromøy, Arendal |
| Songekilen, Arendal |
| Son, Norge |
| Soon |
| Sophus Webers Skibsverft, Svendborg |
| Sorell, Portland, St. John, Canada |
| Sosnovska S.Y., Sosnovska, Tallinn |
| Southampton |
| Southampton Naval Works, Southampton, UK |
| Southeastern Shipbuilding Corp. Savannah, Georgia, USA |
| South Portland Maine Ship Building Corp. Portland Maine, USA |
| Southtown, UK |
| Southwestern S.B. Co., San Pedro, USA |
| South Western Ship Building, San Pedro, CAL, USA |
| Sparling Welded S.B. Corp. Astoria, Ny, USA |
