| Michael Dyballa Förvaltning AB | Visby | 0 tkr |
| Michael Löfqvist Holding AB | Visby | 0 tkr |
| Michael Nilsson Förvaltning AB | Visby | 0 tkr |
| Michael Rosengren Aktiebolag | Burgsvik | 0 tkr |
| Mickes VVS-service i Visby AB | Visby | 0 tkr |
| MiDU Holding AB | Visby | 0 tkr |
| Mike & Franky AB | Visby | 0 tkr |
| Milo Gotland AB | Gotlands Tofta | 0 tkr |
| Milton Possessions AB | Gotlands Tofta | 0 tkr |
| Mimo Joseph Holding AB | Visby | 0 tkr |
| Mino 232 Holding AB | Visby | 0 tkr |
| MJH AB | Visby | 0 tkr |
| M&N På Gotland Holding AB | Klintehamn | 0 tkr |
| MNSN i Furunäs AB | Rydebäck | 0 tkr |
| MOHWLR INVEST AB | Gotlands Tofta | 0 tkr |
| Moneda Invest Aktiebolag | Visby | 0 tkr |
| Monica Östlund Nilsson Förvaltning AB | Visby | 0 tkr |
| Motionworx i Visby AB | Lärbro | 0 tkr |
| Moving Container Management Sweden AB | Romakloster | 0 tkr |
| M Runander Livsmedel Aktiebolag | Visby | 0 tkr |
| MUD AB | Stånga | 0 tkr |
| MU Holding Gotland AB | Visby | 0 tkr |
| Munkarenko AB | Havdhem | 0 tkr |
| M W Safe Investment Aktiebolag | Hönö | 0 tkr |
| Naturfabriken AB | Klintehamn | 0 tkr |
| Naturopati Sverige AB | Visby | 0 tkr |
| N A Väster Fastighet AB | Visby | 0 tkr |
| Neotinea ustulata AB | Sollentuna | 0 tkr |
| Nergretty Holding AB | Visby | 0 tkr |
| Newstone Consulting AB | Visby | 0 tkr |
| Niceta Invest AB | Visby | 0 tkr |
| Nicmal Holding AB | Visby | 0 tkr |
| Nicolaus i Visby AB | Visby | 0 tkr |
| Nicoline Bergman AB | Visby | 0 tkr |
| Niklasson Lojsta Bygg AB | Hemse | 0 tkr |
| NLMN Förvaltning AB | Visby | 0 tkr |
| Nøll AB | Visby | 0 tkr |
| Nordic HSCO AB | Uppsala | 0 tkr |
| Northern Peaks AB | Visby | 0 tkr |
| NU Holding Gotland AB | Visby | 0 tkr |
| Nysses Förvaltning AB | Visby | 0 tkr |
| Öja Olovs AB | Visby | 0 tkr |
| OO Holding AB | Visby | 0 tkr |
| OPP Owner AB | Visby | 0 tkr |
| OPTIPRIME NETWORKS AB | Visby | 0 tkr |
| Orchis militaris AB | Sollentuna | 0 tkr |
| Ö Rör AB | Dalhem | 0 tkr |
| Oscar & Jacobs holding bolag AB | Linköping | 0 tkr |
| Österby Brädgård Holding AB | Visby | 0 tkr |
| Othem Invest AB | Slite | 0 tkr |