| MBS Fönstermontage AB | Karlskoga | 0 tkr |
| MB's Hårstudio AB | Örebro | 0 tkr |
| MBS Tak & Plåt AB | Karlskoga | 0 tkr |
| MBXDEV AB | Örebro | 0 tkr |
| Mchawi Fastighet i Örebro AB | Örebro | 0 tkr |
| MDB & KP INVEST AB | Örebro | 0 tkr |
| MdH Medical Consulting AB | Örebro | 0 tkr |
| MDW Inköp AB | Örebro | 0 tkr |
| ME87 AB | Örebro | 0 tkr |
| Meab Ventilation AB | Örebro | 0 tkr |
| Meadow Skerry AB | Örebro | 0 tkr |
| MEBE Solutions AB | Örebro | 0 tkr |
| MeCe Invest AB | Örebro | 0 tkr |
| Mecum AB | Örebro | 0 tkr |
| Mediac Production AB | Örebro | 0 tkr |
| Mediatekin Sverige AB | Malmö | 0 tkr |
| Medicamea AB | Stockholm | 0 tkr |
| Medichorda AB | Örebro | 0 tkr |
| MEGABRAND AB | Lindesberg | 0 tkr |
| MEHÅSA Holding AB | Örebro | 0 tkr |
| Meka Bygg o Invest AB | Odensbacken | 0 tkr |
| M Eliasson Holding AB | Nora | 0 tkr |
| Mellansvenska Företagsbyrån AB | Lyrestad | 0 tkr |
| Mellansvenska Hus AB | Askim | 0 tkr |
| Mellansvenska Material & Maskin Aktiebolag | Kumla | 0 tkr |
| Mellansverige Pump AB | Gusselby | 0 tkr |
| Mellösa Eltjänst Fastighets Aktiebolag | Örebro | 0 tkr |
| Melotti Invest AB | Örebro | 0 tkr |
| MENA AB | Karlskoga | 0 tkr |
| Menardi & Barth Holding AB | Örebro | 0 tkr |
| Merie Taxi AB | Örebro | 0 tkr |
| Meritaten Fastighets AB | Örebro | 0 tkr |
| MERK Development AB | Örebro | 0 tkr |
| Meron AB | Örebro | 0 tkr |
| Metallteknik Invest Svealand AB | Kumla | 0 tkr |
| MetriSight AB | Örebro | 0 tkr |
| Metsänperä Invest AB | Örebro | 0 tkr |
| Meum AB | Örebro | 0 tkr |
| Mey Medical AB | Stockholm | 0 tkr |
| M Folebäck Holding AB | Örebro | 0 tkr |
| M Folke Holding AB | Degerfors | 0 tkr |
| M.Gacanovic Holdingbolag AB | Karlskoga | 0 tkr |
| MG&CO Holding AB | Örebro | 0 tkr |
| MGE Förvaltnings Aktiebolag | Örebro | 0 tkr |
| MGVK Holding AB | Örebro | 0 tkr |
| MH Capital Group AB | Örebro | 0 tkr |
| M. Henningsson Holding AB | Glanshammar | 0 tkr |
| Mia Karlsson AB | Örebro | 0 tkr |
| Mia Näf AB | Nora | 0 tkr |
| MIBR AB | Örebro | 0 tkr |