| Mohällan Invest AB | Överhörnäs | 0 tkr |
| Mojambo AB | Sundsvall | 0 tkr |
| MOKAW AB | Matfors | 0 tkr |
| Mona Förvaltning AB | Sundsvall | 0 tkr |
| Mon Holding AB | Liden | 0 tkr |
| Montana Sweden Holding AB | Sundsvall | 0 tkr |
| Montani Invest AB | Sundsvall | 0 tkr |
| MonteLito AB | Docksta | 0 tkr |
| Mooj Invest AB | Härnösand | 0 tkr |
| MoRe Research Örnsköldsvik AB | Örnsköldsvik | 0 tkr |
| Morgan & Whitmore Group AB | Sundsvall | 0 tkr |
| Morgonstjärna fastigheter AB | Gideå | 0 tkr |
| Morian Konsult AB | Örnsköldsvik | 0 tkr |
| Mörner Holding AB | Kvissleby | 0 tkr |
| MOS Sweden AB | Sundsvall | 0 tkr |
| Mountain Holding i Övik AB | Överhörnäs | 0 tkr |
| MP5 Maskin & Entreprenad AB | Sundsvall | 0 tkr |
| M Parment Invest AB | Alnö | 0 tkr |
| M. Persson Markkonsult AB | Kvissleby | 0 tkr |
| MPP Engineering AB | Alnö | 0 tkr |
| MPS 91 AB | Sundsvall | 0 tkr |
| M-P Strand Fastigheter AB | Sundsvall | 0 tkr |
| MQ Medic AB | Märsta | 0 tkr |
| MRN Holding AB | Njurunda | 0 tkr |
| MSE Consulting AB | Örnsköldsvik | 0 tkr |
| M Settlin AB | Långsele | 0 tkr |
| MSF Holding AB | Sundsvall | 0 tkr |
| M Sjöbom AB | Njurunda | 0 tkr |
| M.SJÖLIN & CO AB | Kovland | 0 tkr |
| M Sköld Holding AB | Alnö | 0 tkr |
| MSMV Holding AB | Sundsvall | 0 tkr |
| M-son Development AB | Östhammar | 0 tkr |
| M. Svahns Livs AB | Gävle | 0 tkr |
| MT Styrman Holding Aktiebolag | Långsele | 0 tkr |
| Mu-Ching Aktiebolag | Sundsvall | 0 tkr |
| MUEX Holding AB | Fränsta | 0 tkr |
| Multi Channel Sweden AB | Bredbyn | 0 tkr |
| Muntlin Invest AB | Kvissleby | 0 tkr |
| Murberget Holding AB | Härnösand | 0 tkr |
| M Viberg Holding AB | Sundsvall | 0 tkr |
| MW Matfors AB | Matfors | 0 tkr |
| My Own Charger Sweden AB | Sundsvall | 0 tkr |
| Myrnäs Management AB | Ankarsvik | 0 tkr |
| MZ Maskin AB | Sollefteå | 0 tkr |
| Näätänen forest planting AB | Sundsvall | 0 tkr |
| Nabla Invest AB | Kramfors | 0 tkr |
| Nacka Hills invest AB | Alnö | 0 tkr |
| Nacksta Fastigheter Aktiebolag | Matfors | 0 tkr |
| Nadia Hansen AB | Örnsköldsvik | 0 tkr |
| Näfsta Gård Invest i Selånger AB | Sundsvall | 0 tkr |