| Mailday AB | Karlskoga | 0 tkr |
| MAIN EVENT I LINDESBERG AB | Lindesberg | 0 tkr |
| Majka AB | Örebro | 0 tkr |
| MaJu Holding AB | Örebro | 0 tkr |
| Make It So AB | Örebro | 0 tkr |
| Mälardalen VVS i Örebro AB | Örebro | 0 tkr |
| Maldeviks Consulting AB | Glanshammar | 0 tkr |
| Maleno Holding AB | Kumla | 0 tkr |
| Måleriet i Lindesberg AB | Lindesberg | 0 tkr |
| Mällbön AB | Kumla | 0 tkr |
| Malmhagens Holding AB | Örebro | 0 tkr |
| Malmladan AB | Örebro | 0 tkr |
| Malms Kapitalförvaltning AB | Vretstorp | 0 tkr |
| Malm Sports Development AB | Örebro | 0 tkr |
| MALOPE AB | Hammar | 0 tkr |
| MALU Invest AB | Örebro | 0 tkr |
| Malvia Sweden AB | Örebro | 0 tkr |
| Malvina Gård AB | Glanshammar | 0 tkr |
| MÅMÅ AB | Örebro | 0 tkr |
| MA Montage i Örebro Aktiebolag | Örebro | 0 tkr |
| Management by Evolve Sweden AB | Stora Mellösa | 0 tkr |
| Management Technology Sverige AB | Örebro | 0 tkr |
| Mancave AB | Vretstorp | 0 tkr |
| Mandarintorget AB | Örebro | 0 tkr |
| Mandelkubben Invest AB | Karlskoga | 0 tkr |
| Månekullen AB | Grebbestad | 0 tkr |
| Manhem Invest AB | Värmdö | 0 tkr |
| Manson Holding AB | Kopparberg | 0 tkr |
| Mantomen Holding AB | Örebro | 0 tkr |
| Maowas Holding AB | Örebro | 0 tkr |
| Mapea AB | Örebro | 0 tkr |
| Mapea i Örebro AB | Örebro | 0 tkr |
| Maptun Fastighet AB | Örebro | 0 tkr |
| MAPTUN Holding AB | Örebro | 0 tkr |
| Marcus Holding AB | Örebro | 0 tkr |
| Marcus Persson Åkeri AB | Askersund | 0 tkr |
| Marcus Rohden fastigheter AB | Mullhyttan | 0 tkr |
| Marcussons Handels Aktiebolag | Örebro | 0 tkr |
| Marell Advokatbyrå Holding AB | Örebro | 0 tkr |
| Margaretha Cederlund AB | Nora | 0 tkr |
| Maria Banck AB | Örebro | 0 tkr |
| Maria Ekman i Karlskoga Holding AB | Karlskoga | 0 tkr |
| Mariam tolktjänster AB | Örebro | 0 tkr |
| Marias Fotharmoni AB | Nora | 0 tkr |
| Marieberg Optic Services AB | Göteborg | 0 tkr |
| Mariedamfilm AB | Örebro | 0 tkr |
| Marin & Fritid i Askersund Holding AB | Laxå | 0 tkr |
| MARK Butik Örebro AB | Örebro | 0 tkr |
| Markfokus Holding i Örebro AB | Örebro | 0 tkr |
| Mark Holding i Örebro AB | Degerfors | 0 tkr |