| Mossbane Aktiebolaget | Kumla | 0 tkr |
| Mossberga Fastigheter AB | Granbergsdal | 0 tkr |
| Mossviken Förvaltning AB | Storfors | 0 tkr |
| Motorbutiken i Örebro AB | Örebro | 0 tkr |
| Motti Consulting AB | Örebro | 0 tkr |
| Moveon i Örebro AB | Örebro | 0 tkr |
| MOZ Holding AB | Örebro | 0 tkr |
| MPA Invest AB | Kumla | 0 tkr |
| M-P Andersson Group AB | Örebro | 0 tkr |
| MpHn AB | Örebro | 0 tkr |
| MPoor Holding AB | Örebro | 0 tkr |
| mPowerment Holding AB | Vintrosa | 0 tkr |
| MP Recycling MPR AB | Motala | 0 tkr |
| M. Ring Holding AB | Örebro | 0 tkr |
| Mrini Städ AB | Örebro | 0 tkr |
| MRJ Invest AB | Degerfors | 0 tkr |
| MR Troeng Invest AB | Stora Mellösa | 0 tkr |
| MS Flygfoto AB | Örebro | 0 tkr |
| MSTI Holding AB | Karlskoga | 0 tkr |
| M-Stol AB | Falun | 0 tkr |
| M Svensson Förvaltning AB | Kumla | 0 tkr |
| MTBnorth AB | Örebro | 0 tkr |
| MTB Redovisning i Örebro AB | Örebro | 0 tkr |
| M T Bruse AB | Kumla | 0 tkr |
| M & T Holding AB | Örebro | 0 tkr |
| MTT Förvaltning AB | Örebro | 0 tkr |
| Mukena AB | Örebro | 0 tkr |
| Mullersätter Fastigheter AB | Fjugesta | 0 tkr |
| Mullfjället Förvaltning AB | Örebro | 0 tkr |
| Mullhyttans Egendomsförvaltning Aktiebolag | Mullhyttan | 0 tkr |
| Multiloader Scandinavia Holding AB | Karlstad | 0 tkr |
| MultiMedia Productions Thomas Dahlqvist Aktiebolag | Kumla | 0 tkr |
| MultiTech AJSO Invest AB | Örebro | 0 tkr |
| Multitech Uppgatan AB | Örebro | 0 tkr |
| Mummadeluxe AB | Örebro | 0 tkr |
| Murus Arenae AB | Stora Mellösa | 0 tkr |
| MVB Invest AB | Karlskoga | 0 tkr |
| M Wahman Holding AB | Örebro | 0 tkr |
| Mybio Sweden AB | Örebro | 0 tkr |
| My corner AB | Örebro | 0 tkr |
| myOffice Örebro AB | Stora Mellösa | 0 tkr |
| myOffice Skellefteå AB | Örebro | 0 tkr |
| MYSAB i Örebro AB | Örebro | 0 tkr |
| My Vault i Örebro AB | Örebro | 0 tkr |
| Naess Kiropraktik AB | Örebro | 0 tkr |
| NA Fastigheter Förvaltning 7 AB | Hallsberg | 0 tkr |
| NA Fastigheter Holding AB | Hallsberg | 0 tkr |
| NA Fastigheter Invest AB | Hallsberg | 0 tkr |
| Nagomi sushi torshälla AB | Lindesberg | 0 tkr |
| Najja kommunikation AB | Örebro | 0 tkr |