Bedrift M - Vormsund
- Mediahouse AS
- Mws AS
- Microgym AS
- Martine Hovind
- Monika Garbuzeviciute
- Montering 402
- Montør 406
- Morten Sundby
- Magnussen Viggo
- Morten Botilsrud
- Myhrer Holding AS
- My-Jo AS
- Mo Entertainment
- M Teknikk
- Mka Service AS
- Music Management AS
- M. Ihlang Maskin
- McKenzie Erik Kristoffersen
- M. Kristiansen Grustransport
- Mette Marie Ruud
- MH.service. Hasan
- Mæhlum Peder Ola Schøyen
- Merethe H. Frøystad Hagedesign