We have so far registered 4,560 shipyards
| Name | | Clyde S. B. & Eng. Co. Ltd., Port Glasgow, Skotland |
| Clyde Ship.Building, Port Glasgow, Skottland |
| C. Maki, Zierikzee, Holland |
| C. McLennan, River John, Nova Scotia, Canada |
| C. Mühlberg, Ruthern, Russland |
| C. Mitchell & Co., Newcastle, UK |
| 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 |
