We have so far registered 4,509 shipyards
| Name | | C. N. De La Ciotat, Le Trait, Frankrike |
| C. Nevins, St.John, New Brunswick, Canada |
| Coaster Const. Co. Ltd., Montrose, Scotland |
| Cochin Shipyard Inc, Kerala |
| Cochin Shipyard Ltd., Kochi |
| Cochrane & Cooper, Beverley. UK |
| Cochrane Shipbuilding Ltd., Selby, UK |
| Cochrane & Sons, Ltd, Selby. UK |
| Cockatoo Docks and Engineering Co Ltd, Sydney |
| Coffin Bros., Clyde River, Nova Scotia, Canada |
| C. Ohlsson, Upperud, Sverige |
| Colby, Brothers Ltd., Oulton Broad, UK |
| Collingwood Shipbuilding Co. Ltd. Collingwood, Ontario, Canada |
| Collingwood Shipbuilding Co. Ltd, Kingston, Ontario, Canada |
| Collingwood S.Y., Collingwood, Canada |
| Colod Polish Karadyjska, Stettin |
| C. Olson, Oscarshamn, Sverige |
| Columbia River Shipbuilding Corp. Portland, Or. USA |
| Commonwealth Dockyard, Sydney, N.S.W. Australia |
| Compagnie Francaise d’Entreprises Métalliques (CFEM), Dunkerque, Frankrike |
| Compania Euskalunda de Construcciones y Reparaciones de Buques S.A. Bilbao, Spania |
| Condrups Bråten Værft, Porsgrund |
| Consolidated Nav & Ind de la Mediterranee (CNIM), La Seyne, Frankrike |
| Consolidated Steel Corporation Ltd. Wilmington, CA, USA |
| Constructions Navales Espanola, Cadiz, Spania |
