| Matbe Förvaltning AB | Söderköping | 0 tkr |
| Mathias Akcan AB | Mjölby | 0 tkr |
| Mativate konsult AB | Borensberg | 0 tkr |
| MatjoSoft AB | Vikingstad | 0 tkr |
| MatMag Holding AB | Vallda | 0 tkr |
| Matmarknaden i Boxholm AB | Söderköping | 0 tkr |
| Mat & Rörelse i Linköping Aktiebolag | Linköping | 0 tkr |
| Mats Allard Konsult AB | Mjölby | 0 tkr |
| Mats Björkman Eldh Holding AB | Kolmården | 0 tkr |
| Mats Grünerwald AB | Åby | 0 tkr |
| Mats Gunnar AB | Kolmården | 0 tkr |
| Mats Lind Kranbilstransporter AB | Linköping | 0 tkr |
| Mats Lönn Holding AB | Linghem | 0 tkr |
| Mats Pettersson Holding AB | Motala | 0 tkr |
| Mattias Isebäck Förvaltnings AB | Norrköping | 0 tkr |
| Mattias Klein AB | Norrköping | 0 tkr |
| Mattias Vikholm Holding i Östergötland AB | Linghem | 0 tkr |
| Mattias Wulcan Invest AB | Linköping | 0 tkr |
| Maud LB Holding AB | Vikingstad | 0 tkr |
| Mauritz & Bros AB | Nykil | 0 tkr |
| Mauritz Jarl AB | Motala | 0 tkr |
| Mavell Invest AB | Mjölby | 0 tkr |
| MAVIME AB | Norrköping | 0 tkr |
| MA-WA Elservice AB | Norrköping | 0 tkr |
| MAWEHA Holding AB | Motala | 0 tkr |
| Mawimo Holding AB | Motala | 0 tkr |
| Maxent AB | Ekerö | 0 tkr |
| Max Halldén Holding AB | Linköping | 0 tkr |
| Max Hansson AB | Linköping | 0 tkr |
| Maxitech Östergötland AB | Örebro | 0 tkr |
| Max Theodor Holding AB | Motala | 0 tkr |
| Maya Transport AB | Angered | 0 tkr |
| May Lami AB | Eskilstuna | 0 tkr |
| Mayrhof Holding AB | Norrköping | 0 tkr |
| Maysoft AB | Norrköping | 0 tkr |
| Mazetto AB | Linköping | 0 tkr |
| MB Förvaltning i Motala AB | Motala | 0 tkr |
| MBML Invest AB | Norrköping | 0 tkr |
| Mboma Konsult AB | Linköping | 0 tkr |
| MBQ Holding AB | Norrköping | 0 tkr |
| MB-travel AB | Linköping | 0 tkr |
| MC CAFE Aktiebolag | Norrköping | 0 tkr |
| MCLV Holding AB | Norrköping | 0 tkr |
| MCP Förvaltning AB | Norrköping | 0 tkr |
| MD6 Sweden AB | Norrköping | 0 tkr |
| MDC Holding AB | Vikingstad | 0 tkr |
| MD Cleantech AB | Linköping | 0 tkr |
| MDL AB | Sturefors | 0 tkr |
| Mecide Group AB | Norrköping | 0 tkr |
| Mecide & Nissan Holding AB | Norrköping | 0 tkr |