Vi har så langt registrert 19 566 rederier
| Navn | Grunnlagt | | Wallem Shipmanagement Norway A/S, Bergen | |
| Wallem, Steckmest & Co, Bergen | |
| Wallenius Lines Singapore Ltd, Singapore | |
| Wallevik, Arne, Toska | |
| Walløe, A., Fredrikstad | |
| Walløe, A.N., Fredrikstad/ Kristiania | |
| Walter & Leif Nielsen, Fredrikstad | |
| Walter O. Tangen, Oslo | |
| Walther Herwig A/S, Bergen | |
| W. A. Massey & Sons Ltd. Hull, England | |
| Wani Shipinvest A/S, Oslo | |
| Wani Shipping A/S, Oslo | |
| Wansimar A/S, Florø | |
| W. Archer, Larvik | |
| Ward & Holzapfel, Newcastle, England | |
| Wareberg, Torleif, Skudeneshavn | |
| Warø Shipping, Sandsted, Bergen | |
| W. Asbjørnsen, Oslo | |
| W. A. Schwartz, Drammen | |
| Wassdahl,Tor, Mo i Rana | |
| Wassæter,Trygve,Barmannfjorden | |
| Waterman Steamship C. Mobile, Alabama, USA | |
| Wathne, Farsund | |
| Watne,Hans C., Helvig | |
| Watts, Watts & Co. Ltd. London, UK. | |
