| Mbab fastigheter AB | Västerås | 0 tkr |
| MB Teknik Karlskrona AB | Karlskrona | 0 tkr |
| MC Invest Nättraby AB | Nättraby | 0 tkr |
| MCL Solutions AB | Asarum | 0 tkr |
| MDF i Karlshamn Aktiebolag | Trensum | 0 tkr |
| Medlivab AB | Hägersten | 0 tkr |
| M Ekonomikonsult AB | Asarum | 0 tkr |
| Melander Investment & Consulting AB | Asarum | 0 tkr |
| Meldgaards Fastighetsfömedling AB | Nättraby | 0 tkr |
| Memortum AB | Karlskrona | 0 tkr |
| Merkel Holding AB | Hasslö | 0 tkr |
| Merna i Blekinge AB | Listerby | 0 tkr |
| Meta & Morphe AB | Olofström | 0 tkr |
| MGE Konsult i Karlshamn AB | Karlshamn | 0 tkr |
| MG Forsbacka Holding AB | Mörrum | 0 tkr |
| MH's Bygg Aktiebolag | Trensum | 0 tkr |
| MH Utbildning AB | Mörrum | 0 tkr |
| Michano Kungshall AB | Karlskrona | 0 tkr |
| Micke Frida Bageri AB | Sölvesborg | 0 tkr |
| MicroServices Sweden AB | Nättraby | 0 tkr |
| Midcon Sydost AB | Karlskrona | 0 tkr |
| Mijoda Holding AB | Karlshamn | 0 tkr |
| Miklos Holding AB | Kallinge | 0 tkr |
| MILLE Holding AB | Karlskrona | 0 tkr |
| Miller Real Estates AB | Sölvesborg | 0 tkr |
| MiMo socionomkonsult AB | Vilshult | 0 tkr |
| Minenci AB | Ronneby | 0 tkr |
| Mirentex Invest AB | Eringsboda | 0 tkr |
| MIRONO Förvaltning AB | Olofström | 0 tkr |
| MIRR AB | Broby | 0 tkr |
| Mirre & company bygg & fastighets AB | Olofström | 0 tkr |
| Miss Mommy AB | Karlskrona | 0 tkr |
| Mjällbyfastigheter AB | Sölvesborg | 0 tkr |
| MJ Holding Karlskrona AB | Rödeby | 0 tkr |
| Mjövikstrand Handels AB | Karlskrona | 0 tkr |
| MK Förvaltning i Karlskrona AB | Karlskrona | 0 tkr |
| MLÄMF AB | Hasslö | 0 tkr |
| M.L Kallinge AB | Kallinge | 0 tkr |
| ML Power Coaching AB | Kristianstad | 0 tkr |
| MM Fast AB | Sölvesborg | 0 tkr |
| M&M Handlare AB | Göteborg | 0 tkr |
| MM Improve AB | Ronneby | 0 tkr |
| MM Klimat AB | Sölvesborg | 0 tkr |
| Möbelbolaget Serring och Persson AB | Lyckeby | 0 tkr |
| Mobilmontage Karlskrona AB | Karlskrona | 0 tkr |
| MOBL Management AB | Nättraby | 0 tkr |
| Modell Wiking AB | Jämjö | 0 tkr |
| Modern Cavemen AB | Hasslö | 0 tkr |
| Modlon AB | Karlshamn | 0 tkr |
| Mojjan Media AB | Karlskrona | 0 tkr |