| MIDA AB | Umeå | 0 tkr |
| Midaro AB | Hemavan | 0 tkr |
| Midevitten AB | Bromölla | 0 tkr |
| Mikael Albinsson Holding AB | Umeå | 0 tkr |
| Mikael Bäckman i Robertsfors AB | Robertsfors | 0 tkr |
| Mikael Lundberg Holding advokat AB | Skellefteå | 0 tkr |
| Mikael Widlöf Förvaltning AB | Robertsfors | 0 tkr |
| MIKAN Förvaltning AB | Skellefteå | 0 tkr |
| Milcor AB | Umeå | 0 tkr |
| Miljöbilvård i Västerbotten AB | Umeå | 0 tkr |
| Milles Transport Aktiebolag | Göteborg | 0 tkr |
| Milova Holding AB | Umeå | 0 tkr |
| Milton Holding AB | Umeå | 0 tkr |
| Minasagor AB | Bastuträsk | 0 tkr |
| Mindforce Game Lab AB | Mölndal | 0 tkr |
| Mineola AB | Täfteå | 0 tkr |
| Mineral Prospektering i Sverige AB | Malå | 0 tkr |
| Mineral Prospektering i Sverige Enåsen AB | Malå | 0 tkr |
| Mineral Prospektering i Sverige Huornaisenvuoma AB | Malå | 0 tkr |
| Mineral Prospektering i Sverige Sadjem AB | Malå | 0 tkr |
| Minnow Holding AB | Sundbyberg | 0 tkr |
| Minox i Umeå AB | Täfteå | 0 tkr |
| MinPark i Umeå AB | Lund | 0 tkr |
| Min Väg AB | Umeå | 0 tkr |
| Missimyran Aktiebolag | Lövånger | 0 tkr |
| Mitt Borr AB | Nordmaling | 0 tkr |
| Mittel AB | Umeå | 0 tkr |
| Miur Holding AB | Obbola | 0 tkr |
| MJ Billet Worx AB | Hörnsjö | 0 tkr |
| M.Jeannette AB | Skellefteå | 0 tkr |
| MJF Åkeri AB | Robertsfors | 0 tkr |
| MJ Investment AB | Täfteå | 0 tkr |
| MJ i Umeå Holding AB | Umeå | 0 tkr |
| MJL Holding AB | Vännäs | 0 tkr |
| Mjöle Fastighets AB | Umeå | 0 tkr |
| MJ Skellefteå Holding AB | Skellefteå | 0 tkr |
| MKA Invest AB | Umeå | 0 tkr |
| MKNL Holding AB | Umeå | 0 tkr |
| M Kuusik Ögonklinik AB | Lund | 0 tkr |
| M Lagmo Allmänmedicin AB | Skellefteå | 0 tkr |
| M Landström AB | Hörnsjö | 0 tkr |
| ML Controller & Ekonomikonsult AB | Umeå | 0 tkr |
| ML Konsult i Malå AB | Rentjärn | 0 tkr |
| M Lundstedt Holding AB | Vindeln | 0 tkr |
| MM Elfving AB | Umeå | 0 tkr |
| M&M Fast Holding AB | Skellefteå | 0 tkr |
| MM holding i Umeå AB | Umeå | 0 tkr |
| MMILSE AB | Lycksele | 0 tkr |
| MMLJ AB | Obbola | 0 tkr |
| MN91 AB | Umeå | 0 tkr |