| Micael Danielsson Bensin Aktiebolag | Visby | 0 tkr |
| Michael Cederlund i Nora AB | Nora | 0 tkr |
| Michael Oldin Holding AB | Kumla | 0 tkr |
| MicroData Europa AB | Örebro | 0 tkr |
| Micro JDI Aktiebolag | Åsbro | 0 tkr |
| Middle West East Bygg Aktiebolag | Örebro | 0 tkr |
| Midnattsblå AB | Örebro | 0 tkr |
| Mi Fo Holding AB | Örebro | 0 tkr |
| Mi Fo Projekt AB | Örebro | 0 tkr |
| MiGi Bostad AB | Örebro | 0 tkr |
| Mii Nordic AB | Örebro | 0 tkr |
| Mijajo Holding AB | Örebro | 0 tkr |
| Mikadelica AB | Gävle | 0 tkr |
| Mikael Bergs Invest Aktiebolag | Hällefors | 0 tkr |
| Mikael Bretzner AB | Falun | 0 tkr |
| Mikael Israelsson Förvaltning AB | Karlskoga | 0 tkr |
| Mikael Säflund Invest AB | Örebro | 0 tkr |
| Mikael Torstensson Holding AB | Örebro | 0 tkr |
| Milia Data AB | Lindesberg | 0 tkr |
| MI LI Invest AB | Örebro | 0 tkr |
| Miljöbo Holding AB | Örebro | 0 tkr |
| Miljöisolering i Örebro AB | Fjugesta | 0 tkr |
| Miljömål AB | Örebro | 0 tkr |
| Miljömedicin MM Konsult AB | Örebro | 0 tkr |
| Million Belles AB | Örebro | 0 tkr |
| Millstreet Capital AB | Örebro | 0 tkr |
| MiloPrime Capital AB | Örebro | 0 tkr |
| MIMAERI AB | Örebro | 0 tkr |
| Mimilace Invest AB | Örebro | 0 tkr |
| mimme media AB | Karlskoga | 0 tkr |
| Mindgapper AB | Kumla | 0 tkr |
| Mindwarp AB | Sköllersta | 0 tkr |
| Minello AB | Örebro | 0 tkr |
| Miranda Solutions AB | Örebro | 0 tkr |
| MISALH Holding AB | Örebro | 0 tkr |
| MISAM Holding AB | Glanshammar | 0 tkr |
| MITAB Business Consulting AB | Åtorp | 0 tkr |
| Mixvik AB | Örebro | 0 tkr |
| MJ94 Holding AB | Nora | 0 tkr |
| M Jakobsson Förvaltnings Aktiebolag | Örebro | 0 tkr |
| MJ i Örebro Invest AB | Örebro | 0 tkr |
| MJK holding AB | Örebro | 0 tkr |
| MJOLINGE AB | Örebro | 0 tkr |
| M Jonsson Holding AB | Örebro | 0 tkr |
| MJ Technologies AB | Kumla | 0 tkr |
| MK Bostäder i Lindesberg AB | Örebro | 0 tkr |
| MK & CM Holding 1947 AB | Hällefors | 0 tkr |
| MK HEM SWEDEN AB | Degerfors | 0 tkr |
| MKH Hotell AB | Örebro | 0 tkr |
| MK Invest i Lindesberg AB | Lindesberg | 0 tkr |