| Max Hotell-och Restauranginvest Aktiebolag | Luleå | 0 tkr |
| MAX MENA AB | Luleå | 0 tkr |
| MAX MENA Holding AB | Luleå | 0 tkr |
| MAX Western Europe Holding AB | Luleå | 0 tkr |
| M Backgård Corporate Finance AB | Luleå | 0 tkr |
| MBC Konsult AB | Limhamn | 0 tkr |
| MB Förvaltning i Norr AB | Luleå | 0 tkr |
| MB Haga Holding AB | Luleå | 0 tkr |
| mbiz Holding AB | Kalix | 0 tkr |
| Mec-Tec i Boden AB | Boden | 0 tkr |
| Medamza AB | Gällivare | 0 tkr |
| Mediacenter i Piteå AB | Roknäs | 0 tkr |
| MEDIBOVA AB | Sollentuna | 0 tkr |
| Medicinsk konsult i Kiruna AB | Kiruna | 0 tkr |
| Medide Holding AB | Luleå | 0 tkr |
| Medimenta AB | Luleå | 0 tkr |
| Medström Lind Förvaltning AB | Haparanda | 0 tkr |
| Mejmolls AB | Rosvik | 0 tkr |
| Mekaniska Construktioner Holding Norrbotten AB | Luleå | 0 tkr |
| Mekinor AB | Kalix | 0 tkr |
| MEL Konsult i Luleå AB | Luleå | 0 tkr |
| ME Match Employment AB | Kalix | 0 tkr |
| M Enberg Holding AB | Boden | 0 tkr |
| Mengqi Luleå AB | Luleå | 0 tkr |
| MERSKIR AB | Kiruna | 0 tkr |
| Mesopotemia AB | Luleå | 0 tkr |
| Messier 13 AB | Luleå | 0 tkr |
| Metallurgiska Forskningsbolaget i Luleå AB | Luleå | 0 tkr |
| Mevoa Invest AB | Nikkala | 0 tkr |
| MG GROSSEN VVS & EL AB | Lillpite | 0 tkr |
| MgM Allservice AB | Vittangi | 0 tkr |
| M Hansén i Boden AB | Boden | 0 tkr |
| M Harju AB | Luleå | 0 tkr |
| MH Förvaltning AB | Kurravaara | 0 tkr |
| M Husakovic Holding AB | Gällivare | 0 tkr |
| MHW Holding AB | Luleå | 0 tkr |
| Mhyd Invest i Luleå AB | Luleå | 0 tkr |
| MIBITAL Invest AB | Råneå | 0 tkr |
| Michael Adolfssons Gräv AB | Boden | 0 tkr |
| Michiavelli AB | Arvidsjaur | 0 tkr |
| MiCK AB | Morjärv | 0 tkr |
| Midgårdsbrunnen AB | Kalix | 0 tkr |
| Midnight Composites AB | Öjebyn | 0 tkr |
| MIG Holding AB | Gällivare | 0 tkr |
| Mikab i Arjeplog AB | Arjeplog | 0 tkr |
| Mikael Åström Invest AB | Luleå | 0 tkr |
| Mikael Isaksson Förvaltning AB | Luleå | 0 tkr |
| Mikael Markström Holding AB | Piteå | 0 tkr |
| Mikeajver AB | Arjeplog | 0 tkr |
| MikLin Invest Aktiebolag | Luleå | 0 tkr |