| Makar Weld AS | | 2025 |
| Maling Og Montasje Da | Construction | 2010 |
| Manufacturing Technology Norwegian Catapult AS | Professional & scientific | 2009 |
| Martin Hofman Transport Nuf | Transport & logistics | 2019 |
| Mbgt AS | Construction | 2024 |
| MDR Eiendom AS | Real estate | 2024 |
| Medhus Eiendom AS | Real estate | 1999 |
| Mediaa Holding AS | Financial services | 2005 |
| Meliora Prosjekt & Eiendom AS | Real estate | 2013 |
| Mengen Invest AS | Wholesale & retail | 2019 |
| Midthun Invest AS | Real estate | 2013 |
| MK Kapital AS | | 2021 |
| Moma Invest Raufoss AS | Real estate | 2005 |
| Mona's Dame Og Herrefrisør AS | Other services | 2004 |
| Montering Innlandet AS | Information & communication | 2012 |
| Morten's AS | Hospitality | 2013 |
| MT Nordic AS | Wholesale & retail | 2005 |
| Multikompetanse Holding AS | Real estate | 2005 |
| Multisped AS | Transport & logistics | 2001 |
| Mundo Eiendom AS | | 2026 |
| Mundo Holding AS | | 2025 |
| Muscle House Gym AS | Arts & recreation | 2026 |
| Myren Ans | Information & communication | 2020 |
| Myren Media AS | Professional & scientific | 2024 |
| Najs Autospa AS | Other services | 2020 |
| Nammo AS | Manufacturing | 1998 |
| Nammo Raufoss AS | Manufacturing | 1998 |
| Narum Transport AS | Transport & logistics | 1999 |
| Njor AS | Wholesale & retail | 2025 |
| Nordberg Optikk AS | Wholesale & retail | 2019 |
| Nordic Additive Manufacturing AS | Manufacturing | 2015 |
| Nordic Tube AS | Wholesale & retail | 2025 |
| Nordviken AS | Professional & scientific | 2007 |
| Norges Kran Og Truckskole AS | Education | 1990 |
| Norges Kran Og Truckskole Holding AS | Real estate | 1990 |
| Noric Solutions AS | Professional & scientific | 2024 |
| Norsk Herdesenter AS | Manufacturing | 2020 |
| Norske Närko AS | Wholesale & retail | 2013 |
| Norsted Holding AS | | 2022 |
| Nova Trailer AS | Wholesale & retail | 2016 |
| Nyhagen Holding AS | Hospitality | 2020 |
| Nyhuus Holding AS | | 2017 |
| Nærby Eiendom AS | Construction | 2024 |
| Oddgeir Heimdahl AS | Transport & logistics | 2012 |
| Oha Eiendom AS | Real estate | 2019 |
| Ok Drift AS | Construction | 2019 |
| Olhoco AS | Professional & scientific | 2014 |
| Olivia Pizza & Grill AS | Hospitality | 2023 |
| Oxen Eiendom AS | Real estate | 2022 |
| Partner Skap AS | Manufacturing | 2025 |
| Pe Ruen Holding AS | Real estate | 2023 |
| Per Anton Røise Holding AS | Real estate | 2005 |
| Plasman AS | Manufacturing | 1990 |
| PNR Transport AS | Transport & logistics | 2025 |
| Polaris Fus Barnehage AS | Education | 2018 |
| Produktif Norway AS | Information & communication | 2019 |
| Produktif Works AS | Professional & scientific | 2021 |
| Proffdental AS | Wholesale & retail | 2024 |
| Profil-Lakkering AS | Manufacturing | 1990 |
| Profilanlegg Ans | Real estate | 2007 |
| Protomek AS | Manufacturing | 2009 |
| Protomek Eiendom AS | Real estate | 2020 |
| Pundingen Da | Wholesale & retail | 2009 |
| R&T Holding AS | Real estate | 2005 |
| R.R Eiendom AS | Real estate | 2019 |
| R.R Holding AS | Real estate | 2019 |
| Ra Ansattes Hus Kafe Ans | Hospitality | 1994 |
| Rafmer AS | Information & communication | 2024 |
| Ragasco AS | Manufacturing | 1997 |
| Raufoss Aluminium AS | Manufacturing | 2013 |
| Raufoss Apartment Hotel AS | Real estate | 2015 |
| Raufoss Development AS | Professional & scientific | 2021 |
| Raufoss Eiendom AS | Real estate | 1986 |
| Raufoss Eiendomsforvaltning AS | Real estate | 2001 |
| Raufoss Elektro AS | Construction | 2013 |
| Raufoss Facility Services AS | Hospitality | 2001 |
| Raufoss Fysioterapi AS | Health & social care | 2024 |
| Raufoss Graveservice AS | Transport & logistics | 2012 |
| Raufoss Industrihistoriske Samlinger AS | Arts & recreation | 2012 |
| Raufoss Næringspark Ans | Real estate | 2000 |
| Raufoss Pizza AS | Hospitality | 2018 |
| Raufoss Storhall AS | Real estate | 1986 |
| Raufoss Sushi AS | Hospitality | 2025 |
| Raufoss Tak Og Blikk AS | Manufacturing | 2001 |
| Raufoss Taxi AS | Transport & logistics | 2015 |
| Raufoss Technology AS | Manufacturing | 1994 |
| Raufoss Tekstilstue Og Gaver Ans | | 1988 |
| Raufoss Toppfotball AS | | 2026 |
| Raufoss Trafikkskole AS | Education | 2025 |
| Raufoss Ur & Optikk AS | Wholesale & retail | 2005 |
| Raufoss Vask Og Rens AS | Other services | 2016 |
| Raufoss Zoo Senter AS | Wholesale & retail | 2013 |
| RB Drift AS | Hospitality | 2011 |
| Re Drift AS | Hospitality | 2021 |
| Regnskap.Tati AS | Professional & scientific | 2025 |
| Reinsvoll Næringspark AS | Real estate | 2015 |
| Rika Invest AS | Real estate | 2013 |
| Robinson Invest AS | | 2026 |
| RTB Maskinutleie AS | Administrative & support | 2025 |
| Ru-Bo Vest AS | Real estate | 1984 |