| Mellin Timmas Consulting AB | Saltsjö-Boo | 0 tkr |
| MELLJ AB | Saltsjö-Boo | 0 tkr |
| MELTAD AB | Nacka | 0 tkr |
| Memli AB | Saltsjöbaden | 0 tkr |
| M. Engman Management Consulting AB | Nacka | 0 tkr |
| Mesót AB | Stockholm | 0 tkr |
| METEK Ontology AB | Älta | 0 tkr |
| Mevak Invest AB | Nacka | 0 tkr |
| Mex Holding AB | Saltsjöbaden | 0 tkr |
| Mex, mark- och Exploatering Holding AB | Saltsjö-Boo | 0 tkr |
| M.F. Hansson AB | Saltsjöbaden | 0 tkr |
| M.F. Hansson Solpasset AB | Saltsjöbaden | 0 tkr |
| MFH Klockanett AB | Saltsjöbaden | 0 tkr |
| M Gerdin AB | Nacka | 0 tkr |
| MHF Sverige AB | Älta | 0 tkr |
| Michael Dabbas allservice AB | Saltsjö-Boo | 0 tkr |
| Michael Forss Holding AB | Älta | 0 tkr |
| Michael Karbrant Aktiebolag | Älta | 0 tkr |
| Michael Wernstedt AB | Saltsjö-Boo | 0 tkr |
| Michal P Arkitekter Aktiebolag | Saltsjö-Boo | 0 tkr |
| Mighty AB | Tyresö | 0 tkr |
| Mighty Madness AB | Saltsjö-Boo | 0 tkr |
| MikaelBenckert AB | Saltsjö-Boo | 0 tkr |
| Mikael Forsberg Fastigheter AB | Saltsjö-Boo | 0 tkr |
| Mikimber AB | Älta | 0 tkr |
| Mikmag & Co AB | Saltsjöbaden | 0 tkr |
| Miljömanagement Svenska Aktiebolag | Umeå | 0 tkr |
| MilQore AB | Västervik | 0 tkr |
| Milsh Invest AB | Stockholm | 0 tkr |
| Milton House Rådgivning AB | Skäret | 0 tkr |
| Min Byggare i Sverige AB | Nacka | 0 tkr |
| Mindbase AB | Täby | 0 tkr |
| Mindbeat AB | Saltsjö-Boo | 0 tkr |
| Mindrate AB | Nacka | 0 tkr |
| MINI Trading and Consulting AB | Saltsjö-Boo | 0 tkr |
| Min Sol AB | Saltsjö-Boo | 0 tkr |
| MinusOne AB | Älta | 0 tkr |
| Mirabell AB | Nacka | 0 tkr |
| Miracle Solutions Sweden AB | Nacka | 0 tkr |
| Missing Links AB | Nacka | 0 tkr |
| Mix Stationary Svenska Aktiebolag | Vimmerby | 0 tkr |
| Mixware AB | Bromma | 0 tkr |
| Mjölkudden Invest AB | Saltsjö-Boo | 0 tkr |
| MJW Verksamhetsutveckling AB | Nacka | 0 tkr |
| MJZ Holding AB | Saltsjö-Boo | 0 tkr |
| M. Lindahl Holding AB | Stockholm | 0 tkr |
| MLINICE AB | Saltsjöbaden | 0 tkr |
| MM1980 Invest AB | Enskede | 0 tkr |
| M & M Almkvist Projekt AB | Älta | 0 tkr |
| moait i Stockholm AB | Nacka | 0 tkr |