Vi har så langt registrert 19 628 rederier
| Navn | Grunnlagt | | William Hansen Management A/S, Bergen | |
| William. Robertson, Glasgow | |
| William Smith Jacobsen, Lillesand | |
| William Syvertsen, Farsund | |
| Willumsen & Jensen, Kristiania | |
| Willumsen, Oddbjørn, Leines | |
| Willumsen, Ole, Malangseidet, Tromsø | |
| Willum Willumsen, Skien | |
| Willy Angell, Sørreisa | |
| Willy Gilbert, Bergen | |
| Willy Gørrissen, Kristiania / Oslo | |
| Willy Johannessen, Stavanger | |
| Willy Kubon, Bergen | |
| Willy Nyvoll, Honningsvåg | |
| Willy Oppen, Oslo | |
| Willy Rørstad, Bryggja | |
| Wilmann, Johan, Trondheim | |
| Wilson & Mørland, Arendal | |
| Wilson Ship Management A/S, Bergen | |
| Wilson Shipowning A/S, Bergen | |
| Wilson Shipowning A/S, Nassau | |
| Windjammer Cruises Ltd.,Miami | |
| Wind Management A/S, Oslo | |
| Wind Marine A/S, Oslo | |
| Wind Shipping A/S, Bergen | |
