We have so far registered 4,509 shipyards
| Name | | Constructions Navales P. Freire SA. Vigo, Spania |
| Continental Lead & Iron, Pertusola |
| Cont. Navale Dante Itoyz, Viareggio, Italia |
| Cont. Nav. e Officine Ferroviarie, Messina, Italia |
| Cont. Nav. gecan Benetti, Viareggio, Ital |
| Cont. Riuniti dell Adriatico, Monfalcone, Italia |
| Cook, Welton & Gemmell, Hull, UK |
| Cook, Welton & Gemmell Ltd, Beverley, England |
| Cooper & Butler, Baltimore, MD, USA |
| Cooper & Slicer, Baltimore, Maryland, USA |
| Copp Bros. Port Elgin, NB. Canada |
| Cornelius Gips, Dordrecht, Nederland |
| Cornelius Smit, Alblasserdam |
| Cornelius van Duyvendijk, Hendrik Ido Ambacht, Holland |
| Cornwallis, Nova Scotia, Canada |
| Coulson, Cook & Co., Newcastle, UK |
| Cowpen Dry Dock & Ship Building Co. Ltd. Blyth, UK. |
| Cox, Bideford |
| Crabtree & Co., Great Yarmouth |
| Crafoord Slip & Mek. Verk., Strømstad, Sverige |
| Craig Shipbuilding Co., Long Beach, CA, USA |
| Craig, Taylor Co. Ltd., Stockton on Tees, UK |
| C. R. Burgess, Connack, Cornwallis, Nova Scotia, Canada |
| C. Rennoldson & Co., South Shields, UK |
| C.R. Fridell, Stora Ræfsø, Westervik, Sverige |
