| MP bolagen Hygiea 1 AB | Vetlanda | 0 tkr |
| MP bolagen Skogsindustri AB | Vetlanda | 0 tkr |
| MPE Maskinkonstruktion AB | Bor | 0 tkr |
| Mprovement Consulting AB | Bankeryd | 0 tkr |
| MPR Swedish Leather AB | Habo | 0 tkr |
| MRadojkovic AB | Jönköping | 0 tkr |
| Mr Barbershop Holding AB | Jönköping | 0 tkr |
| MR i Jönköping Holding AB | Lekeryd | 0 tkr |
| Mr Profil AB | Jönköping | 0 tkr |
| Mrs. Billsund Consulting AB | Värnamo | 0 tkr |
| MRS Bredaryd AB | Bredaryd | 0 tkr |
| mrstoone AB | Jönköping | 0 tkr |
| MRT Invest AB | Vetlanda | 0 tkr |
| MS23 AB | Jönköping | 0 tkr |
| M&S ÅKERI OCH TAXI AB | Jönköping | 0 tkr |
| MSantner AB | Nässjö | 0 tkr |
| M Seitl Invest AB | Jönköping | 0 tkr |
| Mseva AB | Huskvarna | 0 tkr |
| MS Holding i Jönköping AB | Jönköping | 0 tkr |
| M S Kaxholmen AB | Huskvarna | 0 tkr |
| MSM International AB | Månsarp | 0 tkr |
| MSR Invest AB | Jönköping | 0 tkr |
| MSS Mölndal AB | Angered | 0 tkr |
| M Ståhl Konsulttjänster AB | Lekeryd | 0 tkr |
| MSTR STRATEGI AB | Jönköping | 0 tkr |
| M. Svensson Invest AB | Nye | 0 tkr |
| mTw Invest AB | Jönköping | 0 tkr |
| Mullsjö Grus- och Betongtransporter Aktiebolag | Mullsjö | 0 tkr |
| Mullus Holding AB | Jönköping | 0 tkr |
| Mulseryds Fastighet AB | Ulricehamn | 0 tkr |
| Munksjö Paper Holding AB | Stockholm | 0 tkr |
| MUNKSJÖSTADEN AB | Jönköping | 0 tkr |
| Murklan i Näset AB | Eksjö | 0 tkr |
| Muro Fastigheter AB | Jönköping | 0 tkr |
| Muro Vättern AB | Jönköping | 0 tkr |
| Muscle Machine Fastigheter AB | Smålandsstenar | 0 tkr |
| Music and games global AB | Jönköping | 0 tkr |
| Mustic Handel AB | Gislaved | 0 tkr |
| MVkontroll AB | Aneby | 0 tkr |
| MVRBL AB | Eksjö | 0 tkr |
| MVVM Holding AB | Huskvarna | 0 tkr |
| M-wart Holding AB | Tranås | 0 tkr |
| M Wendel Holding AB | Jönköping | 0 tkr |
| M Wikström Holding AB | Jönköping | 0 tkr |
| MWP Småland AB | Huskvarna | 0 tkr |
| M. Wremp Holding AB | Skillingaryd | 0 tkr |
| Mybeta Holding AB | Jönköping | 0 tkr |
| Mycklaflon Holding AB | Jönköping | 0 tkr |
| Mylna AB | Sollentuna | 0 tkr |
| Myresjö Bostadsutveckling 14 AB | Vetlanda | 0 tkr |