We have so far registered 4,509 shipyards
| Name | | 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 |
| Spedden Ship Buildig Co. Baltimore, Md, USA |
| Speilberg & Reinersen, Lillesand |
| Spelvika, Sandefjord |
| Spezzia, Italia |
| Spidsøen i Sunnhordland |
| Spillersboda Varv & Verk A/B, Frøtuna, Sverige |
| Spind |
| S. Saanum & Co., Mandal. |
| S. Schmidt, Arkhangelsk, Russland |
| S. Stamnes, Holt, Tvedestrand |
| S. Starrett, Rockland, Maine, USA |
| Staal-Rem SA, Gdansk, Polen |
| Stabbestad v/Kragerø |
| Stabilmnto Tecnico, Trieste, Itaila |
| Stader Schiffswerk Gmbh., Stade, Tyskland |
| Stadyard A/S, Raudeberg |
| Stalkon Sp.z.oo, Stettin |
| Standard Båtbyggeri, Drammen |
| Standard S.B.Corp. Shooster Isl.,N.Y. |
