| Mikrotech i Tärendö AB | Tärendö | 0 tkr |
| MIKSA Förvaltning AB | Södra Sunderbyn | 0 tkr |
| MikSel Holding AB | Kalix | 0 tkr |
| MiLeo Invest AB | Luleå | 0 tkr |
| Miljövattengruppen Norden AB | Övertorneå | 0 tkr |
| Mill Headland Technologies AB | Luleå | 0 tkr |
| MIMER Services Sweden AB | Luleå | 0 tkr |
| MImorin Holding AB | Luleå | 0 tkr |
| Minab Invest AB | Hortlax | 0 tkr |
| Mineab AB | Älvsbyn | 0 tkr |
| MineDrill Gve AB | Gällivare | 0 tkr |
| M-Infra AB | Luleå | 0 tkr |
| Mini Medic i Luleå AB | Luleå | 0 tkr |
| Minmax AB | Luleå | 0 tkr |
| Miralex AB | Gammelstad | 0 tkr |
| Mirev Förvaltning Kiruna AB | Kiruna | 0 tkr |
| Mirror Partner Holding AB | Kalix | 0 tkr |
| MISAB Holding i Kiruna AB | Kiruna | 0 tkr |
| Mistlur Media AB | Stocksund | 0 tkr |
| Mitigera Risk AB | Roknäs | 0 tkr |
| Mitteo Holding AB | Kalix | 0 tkr |
| Mitt Ombud Claims Consulting AB | Luleå | 0 tkr |
| MJ Concern Norr AB | Boden | 0 tkr |
| MJOLLNIR AB | Luleå | 0 tkr |
| Mjoöuddens Invest i Piteå AB | Piteå | 0 tkr |
| MJS Förvaltning I Piteå AB | Jävrebyn | 0 tkr |
| MJSLS i Boden AB | Boden | 0 tkr |
| M Junes Åkeri Aktiebolag | Haparanda | 0 tkr |
| MK Byggservice Nord AB | Haparanda | 0 tkr |
| MKI Invest AB | Luleå | 0 tkr |
| MKJ Kiruna AB | Kalmar | 0 tkr |
| M Landin Invest AB | Luleå | 0 tkr |
| MLJ AB | Luleå | 0 tkr |
| M.M.D Öbergs Holding AB | Piteå | 0 tkr |
| MMJ Konsult AB | Jävrebyn | 0 tkr |
| MMLB AB | Luleå | 0 tkr |
| MMM Micke J Holding AB | Luleå | 0 tkr |
| MNF i Norr AB | Råneå | 0 tkr |
| Mobile-Stars AB | Haparanda | 0 tkr |
| MOB Resurs AB | Piteå | 0 tkr |
| Modoc Experience AB | Luleå | 0 tkr |
| Mogemark Bud&Transport AB | Lögdeå | 0 tkr |
| Monde Holding AB | Boden | 0 tkr |
| Monest AB | Älvsbyn | 0 tkr |
| Mono fastigheter AB | Gammelstad | 0 tkr |
| Mon Star i Norr AB | Arvidsjaur | 0 tkr |
| M Öquist AB | Luleå | 0 tkr |
| Morino Group Aktiebolag | Luleå | 0 tkr |
| Mörtbäcken invest AB | Boden | 0 tkr |
| MÖRT MASKIN Aktiebolag | Haparanda | 0 tkr |