| Mikael Magnusson Invest AB | Kållered | 0 tkr |
| Mikael Olsson Holding AB | Mölndal | 0 tkr |
| Mikvik AB | Kullavik | 0 tkr |
| Minning Invest AB | Mölndal | 0 tkr |
| Mizjo AB | Kållered | 0 tkr |
| MJ-Motor i Alingsås AB | Alingsås | 0 tkr |
| M.L.G. Holding AB | Lindome | 0 tkr |
| MMP Företagstjänster AB | Mölndal | 0 tkr |
| MNBI Holding AB | Lindome | 0 tkr |
| MnM Equity AB | Göteborg | 0 tkr |
| Möbelgatan Holding AB | Mölndal | 0 tkr |
| Mobility Group Nordic AB | Mölndal | 0 tkr |
| Moderna Stenhus i Sverige AB | Lindome | 0 tkr |
| Modul-System HH Van Equipment AB | Mölndal | 0 tkr |
| Moggedog Holding AB | Landvetter | 0 tkr |
| Molima AB | Mölndal | 0 tkr |
| Molndala Invest AB | Mölndal | 0 tkr |
| Mölndal Centrum Koljan 1 Fastighets AB | Mölndal | 0 tkr |
| Mölndal Nails & Spa AB | Mölndal | 0 tkr |
| Mölndals bygg & heminredning AB | Lindome | 0 tkr |
| Mölndals Konsult och Byggnads Aktiebolag | Ljungskile | 0 tkr |
| Mölndals Logistik AB | Mölndal | 0 tkr |
| Mölndals Måleribemanning AB | Härryda | 0 tkr |
| Mölndals Slamsugningsbolag Aktiebolag | Lindome | 0 tkr |
| Mölndals Trädgårdsentreprenad AB | Mölndal | 0 tkr |
| Mölndal Syrgasen 7 AB | Mölndal | 0 tkr |
| Mölndal Våmmedal 3:113 AB | Stockholm | 0 tkr |
| Mölnlycke AB | Mölndal | 0 tkr |
| Moor Horn Investments AB | Täby | 0 tkr |
| More Than This AB | Mölndal | 0 tkr |
| Morgenberg Care AB | Gråbo | 0 tkr |
| Motec Aktiebolag | Mölndal | 0 tkr |
| Mount West Investment och Konsult AB | Mölndal | 0 tkr |
| M.Ruus Förvaltning AB | Mölndal | 0 tkr |
| MS HoldCo AB | Sävedalen | 0 tkr |
| MSI AB | Göteborg | 0 tkr |
| MSK Holding AB | Mölndal | 0 tkr |
| MSR Göteborg AB | Landvetter | 0 tkr |
| Msund Bistro AB | Askim | 0 tkr |
| MTAF nr 30 AB | Mölndal | 0 tkr |
| MTA Trollängen Holding AB | Mölndal | 0 tkr |
| Museröd Energi AB | Mölndal | 0 tkr |
| Musikservice Holding i Göteborg AB | Mölndal | 0 tkr |
| Muskantor & Co AB | Mölndal | 0 tkr |
| Musslan Holding AB | Mölndal | 0 tkr |
| Myskmadra Holding AB | Mölndal | 0 tkr |
| Naji Holding AB | Mölndal | 0 tkr |
| NaJoNa AB | Lindome | 0 tkr |
| Nätterborg Holding AB | Mölndal | 0 tkr |
| NBJ HOLDING AB | Kållered | 0 tkr |