We have so far registered 4,539 shipyards
| Name | | C. R. Burgess, Connack, Cornwallis, Nova Scotia, Canada |
| C. Rennoldson & Co., South Shields, UK |
| C.R. Fridell, Stora Ræfsø, Westervik, Sverige |
| C. Rickmers, Bremerhafen, Tyskland |
| Cristianstad, Finland |
| Crist SA., Gdynia |
| Crist Spolka zoo., Gdansk |
| Crist Spolka z.oo., Gdynia |
| Crowell, Elizabethport, New York, NJ, USA |
| Cruickshank & Pitfield, St. John, New Brunswick, Canada |
| C. Sjuls, Herkmeri, Kristinestad, Finland |
| C. Smiths Werf, Zierikzee, Zeeland, Holland |
| C.S. Swan & Co., Newcastle |
| C.S. Swan & Hunter, Newcastle, UK |
| C. Trumpy, Bergen |
| Cumming & Ellis, Inverkeithing, Scotland |
| Cunliffe & Dunlop, Inch Yard, Port Glasgow, UK |
| Currier & Townsend, Newburyport, MA, USA |
| Curtis, Smith & Co. Boston, Massachusetts, USA |
| Cuxhavener Schiffs. F.Mützelfeldt, Cuxhaven |
| C.W. Nevill & Co., Llanelly, Wales, UK |
| Dachet Carter Shipbuilding Corp. Dunston Harbour, MI. USA |
| Daedong Ship Building Co Ltd, Busan |
| Daedong Shipbuilding Co Ltd, Jinhae |
| Daewoo Heavy Industries Ltd., Okpo, Korea |
