Vi har så langt registrert 19 632 rederier
| Navn | Grunnlagt | | Canadian Pacific Railroad & Co. v/ Canadian Pacific Steamship. London. UK | |
| Canadian Steam Ship Lines, Ltd. | |
| Canadian Tramp Shipping Co. Ltd., Montreal, Canada | |
| C. Andersen, Brevik | |
| C. Andersen, Horten | |
| C. Andersen, Larvik | |
| Canmo A/S, Mo i Rana | |
| Canship Ugland | |
| C. A. Olsen, Arendal | |
| C. A. Olsen, Oslo | |
| C. A. Olsen, Oslo | |
| C. A. Olsen, Tvedestrand | |
| Cape Broyle Whaling & Trading. St. John's | |
| C. Apenes & Søn, Fredrikstad | |
| C. A. Pettersen, Porsgrunn | |
| Cape York Motorship Co. Ltd. v/ Lyle Shipping Co. | |
| Capricorn A/S, Farsund | |
| Caprino Commercial A/S,Oslo | |
| Capt. Ugelstad, Brevik | |
| Caravias, G.G., Ithaca, Hellas | |
| Carbella S.S.Co., Panama | |
| Cardina Steamship Co. Inc., Panama | |
| Carebeka BV., Groningen, Nederland | |
| Cargoferry A/S, Moss | |
| Cargo Ferry K/S, Oslo | |
