Bedrift M - Skullerud
- Motorhobby
- Maril AS
- Malvinfjellet AS
- Moltres AS
- Mont AS
- Molica AS
- Molica AS
- Mont AS
- Melsoft AS
- Mahamud
- Metrotek AS
- Metrotek AS
- Meshbox AS
- Marketing Toolbox AS
- Marinoni Spa
- Marinoni Spa
- Miranta Boziori
- Mh Investments AS
- Møskeland Eiendom AS
- Mdog Holding AS
- Mx3 Group AS
- Manager Office
- Moltres Eiendom AS
- Maron Anlegg AS
- Manglerud Parsellhageforening
- Manglerud Parsellhageforening
- Maze Feedback AS
- Masiello Daniel
- Mika i AS
- Marta Lykkenborg
- Meg Invest AS
- Mediplast Innova AS
- Maciej Arabasz
- Mesterhus Oslo AS
- Michelle Lie
- Mathias Stubø
- Marthe Kulseth
- Markedsføring med Agarwal
- Mobilize Strategy Consulting AS
- Martine Ek Rønning
- Martine Ek Rønning AS
- Morten Overrein Consulting
- Malerfirmaet Rune Helgesen
- Mohamed Abukar Hadafow
- Mateusz Jan Kotus
- Mahmood Ul-Haq
- Marianne Braadland-Konstali
- Mesterhus Oslo Bygg AS
- Mohamed Abdullahi A. Taxibedrift
- Maja B. Hjulmand Equestrian
- Mohammed Ayman El Hafedi
- Mentaltrener Ole Christian Sandvoll
- Miljømedia Kristian Skjellum Aas
- Mounji Adams Renhold Abdelhak
- Max Marius Hellwege Kunst Tjenester
- Mosaisk Kvinneforening og Wizo Norge
- Mitt Forfatterhjørne - Gro Jeanette Nilsen
- Mick S Indigo Mick Skjørten
- Marie Laland Ekeli Tekst og Formidling