| Mejor Consulting AB | Huddinge | 0 tkr |
| M Ekeberg AB | Trångsund | 0 tkr |
| Melisa Mira AB | Vårby | 0 tkr |
| Melko Tandvård AB | Vårby | 0 tkr |
| Mellanberga Consulting Aktiebolag | Sparreholm | 0 tkr |
| Memis Invest AB | Huddinge | 0 tkr |
| MÉRAMOÚ AB | Stockholm | 0 tkr |
| Mervärde projekt i Sverige AB | Johanneshov | 0 tkr |
| Meseolem Aktiebolag | Nacka | 0 tkr |
| Metra Holding AB | Huddinge | 0 tkr |
| Meviga AB | Skogås | 0 tkr |
| MFGA Holding AB | Tyresö | 0 tkr |
| MF Technology AB | Huddinge | 0 tkr |
| MHP AB | Tullinge | 0 tkr |
| Midacon AB | Vårby | 0 tkr |
| MIGH AB | Huddinge | 0 tkr |
| Migranten NB Medborgarservice AB | Huddinge | 0 tkr |
| M & I Invest AB | Vårby | 0 tkr |
| Mikael Karlsson Bygg Aktiebolag | Huddinge | 0 tkr |
| Mill Lake consulting AB | Huddinge | 0 tkr |
| MiNi Ekonomi Konsult AB | Stockholm | 0 tkr |
| Mirsab Holding AB | Huddinge | 0 tkr |
| MISA Holding AB | Huddinge | 0 tkr |
| Mistuique1 AB | Huddinge | 0 tkr |
| Mistuique AB | Huddinge | 0 tkr |
| Mixator AB | Huddinge | 0 tkr |
| MLTD AB | Trångsund | 0 tkr |
| M.M.A Construction AB | Trångsund | 0 tkr |
| M Mattsson Invest AB | Trångsund | 0 tkr |
| MMD invest AB | Hägersten | 0 tkr |
| M&M Invest Group AB | Skogås | 0 tkr |
| MNP Bygg AB | Huddinge | 0 tkr |
| Modo Diverso AB | Huddinge | 0 tkr |
| Moementary AB | Huddinge | 0 tkr |
| MOHE Holding AB | Huddinge | 0 tkr |
| Molanders Bygg & Inredningar AB | Huddinge | 0 tkr |
| MomentBox AB | Huddinge | 0 tkr |
| Monmarel AB | Huddinge | 0 tkr |
| Morgonkvisten AB | Huddinge | 0 tkr |
| Morina Struktur & Kultur AB | Huddinge | 0 tkr |
| Morins i Stockholm AB | Trångsund | 0 tkr |
| Mörkfors Invest AB | Huddinge | 0 tkr |
| Move Era AB | Tullinge | 0 tkr |
| MP Dynamic Consulting & Investments AB | Huddinge | 0 tkr |
| M&Praxis AB | Huddinge | 0 tkr |
| M&Q Invest AB | Huddinge | 0 tkr |
| MRC Holding AB | Huddinge | 0 tkr |
| M.Rehns Bygg och Fönsterservice AB | Huddinge | 0 tkr |
| Mr.H i Sthlm AB | Huddinge | 0 tkr |
| MR Mobility Motors AB | Tullinge | 0 tkr |