Vi har så langt registrert 19 628 rederier
| Navn | Grunnlagt | | Mikal R. Oseassen, Borhaug | |
| Mikalsen, Inge, Senja, Tromsø | |
| Mikalsen, Jan, Senja | |
| Mikalsen,Oluf,Foldvik,Hamnvik | |
| Mikal Solhaug A/S, Båtsfjord | |
| Mikkal Misje, Bergen | |
| Mikkal Myklebusthaug, Fonnes | |
| Mikkel Østervold, Austevoll | |
| Mikrotrans A/S, Bruhagen, Kristiansund N | |
| Miljø og Gjennvinning A/S, Lauvsnes | |
| Miljøskip A/S, Lena, Drammen | |
| Miljøskipet A/S, Oslo | |
| Miljøstein Shipping A/S, Vikersund | |
| Miljøtank A/S, Haugesund | |
| Mil Tankrederi A/S, Oslo | |
| Minestry of War Transport, Singapore | |
| Minibulk A/S, Stadtlandet | |
| Mini Bulk Shipping A/S, Farsund | |
| Minibulk Shipping v/ Sverre Kaalstad, Høvik | |
| Ministry of Shipping,London | |
| Ministry of transport on bare boat charter from W.S.A. v/ Wm. France, Fenwick & Co. Ltd. | |
| Ministry of Transport v/ Glen & Co. | |
| Ministry of War Transport, Cape Town | |
| Ministry of War Transport, G. Heyns & Sons, Ltd. | |
| Ministry of War Transport in bareboat charter W.S.A.(A.Holt & Co) | |
