| Mopedmusikk AS | Arts & recreation | 2014 |
| Motor Norge AS | Wholesale & retail | 2024 |
| Motor Norge Eiendom AS | Real estate | 2007 |
| MR Christer Design AS | Professional & scientific | 2015 |
| MT Industri AS | Professional & scientific | 2021 |
| Multibygg Nord AS | Construction | 2020 |
| Multicon AS | Construction | 2017 |
| Multidrift AS | Construction | 2024 |
| Multinord AS | Agriculture & fishing | 2022 |
| Multitrans Alta AS | Construction | 2020 |
| Mur & Maskin Alta AS | Construction | 2020 |
| Myggveien 14 AS | Real estate | 2024 |
| Myggveien 6 AS | Real estate | 2010 |
| Myrull Landskap AS | Professional & scientific | 2026 |
| Myrvoll Investering AS | | 2025 |
| Møllenes Invest AS | | 2020 |
| N. Furulund Holding AS | | 2024 |
| Nakken Og Fredriksen Eiendom Ans | Real estate | 2006 |
| Nalganas Panorama AS | Real estate | 2026 |
| Nasser's Kebab AS | Hospitality | 2022 |
| Nattfjell AS | Information & communication | 2005 |
| NC Bygg AS | Construction | 2013 |
| Ncon AS | Construction | 2024 |
| NDN AS | Real estate | 2018 |
| Nedre Elvebakken Invest AS | | 2020 |
| Nefertiti Glow AS | Health & social care | 2025 |
| Neo Experience Vest AS | Hospitality | 2024 |
| Nergård-Holding AS | | 2024 |
| Neste Generasjon AS | | 2002 |
| Netthode AS | Professional & scientific | 2026 |
| Nicolaysen Film AS | Information & communication | 2012 |
| Nielsenkaia AS | Real estate | 2001 |
| Nikkihompen 52 AS | Hospitality | 2005 |
| Nilian AS | Real estate | 2017 |
| Nilsen Fisk Og Drift AS | Agriculture & fishing | 2023 |
| Nilsen Fjordfiske AS | Agriculture & fishing | 2020 |
| Nilsen Kystfiske AS | Agriculture & fishing | 2020 |
| Nina C Ødmann AS | Health & social care | 2015 |
| Nivent Eiendom AS | Real estate | 2017 |
| Nivent Invest AS | Construction | 2016 |
| NJ Invest AS | Financial services | 2018 |
| NKN Bygg AS | Real estate | 2012 |
| NNB Eiendom AS | Real estate | 2014 |
| Noravind AS | Energy | 2004 |
| Norcatch AS | Agriculture & fishing | 2026 |
| Nord El AS | Construction | 2025 |
| Nord Hår AS | Other services | 2023 |
| Nord Konsulent AS | Professional & scientific | 2013 |
| Nord Norsk Brannvernteknikk Da | | 1994 |
| Nord Norsk Bygg AS | Construction | 2006 |
| Nord Skan AS | Professional & scientific | 2026 |
| Nord-Media AS | Information & communication | 2013 |
| Nordafor Eiendom AS | Real estate | 2017 |
| Nordavis AS | Information & communication | 1969 |
| Nordbo AS | Real estate | 2017 |
| Nordiac AS | Real estate | 2025 |
| Nordic Workforce AS | Professional & scientific | 2026 |
| Nordkapp E69 AS | Real estate | 2021 |
| Nordkind AS | Professional & scientific | 2025 |
| Nordlys Eiendomsinvest AS | Real estate | 2024 |
| Nordlys Elektro AS | Construction | 2006 |
| Nordlys Fotterapi AS | Health & social care | 2020 |
| Nordlys Industribygg AS | Real estate | 2017 |
| Nordlys Malerservice AS | Construction | 2022 |
| Nordlys Malerservice Eiendom AS | Real estate | 2022 |
| Nordlys Malerservice Holding AS | Construction | 2022 |
| Nordlys Maskin Og Utleie AS | Administrative & support | 2025 |
| Nordlys Sikkerhet AS | Professional & scientific | 2023 |
| Nordlys Utleie AS | Real estate | 2022 |
| Nordlysbadet AS | Arts & recreation | 2006 |
| Nordlysbyen Eiendom AS | Real estate | 2017 |
| Nordlysbyen Holding AS | Real estate | 2025 |
| Nordlysbyen Trafikkskole AS | Education | 2013 |
| Nordlysmat Drift AS | Arts & recreation | 2014 |
| Nordlyspizza AS | Hospitality | 2009 |
| Nordmed AS | Health & social care | 2023 |
| Nordnorsk Kjøtt AS | Manufacturing | 2021 |
| Nordnorsk Reiseliv AS | Administrative & support | 2009 |
| Nordpartner AS | Real estate | 2017 |
| Nordre Ringvei 23 AS | Real estate | 2020 |
| Nordskai AS | Information & communication | 2025 |
| Nordtek Bygg AS | Construction | 2021 |
| Nordtind Drift AS | Hospitality | 2026 |
| Nordtind Invest AS | | 2026 |
| Norent AS | Administrative & support | 2021 |
| Norfloor Fliser Alta AS | Construction | 2014 |
| Norkred AS | Administrative & support | 2003 |
| Norkred Eiendom AS | Real estate | 2013 |
| Norsk Sprøytesåing AS | Agriculture & fishing | 1970 |
| North & Beyond AS | Information & communication | 2024 |
| North Star Equity AS | | 2024 |
| North-Eiendom AS | Real estate | 2018 |
| Northcape Housing AS | Real estate | 2022 |
| Northern Lights Consulting AS | Professional & scientific | 2024 |
| Northern Lights Investments AS | Real estate | 2024 |
| Northern Lights Oil Tools AS | Wholesale & retail | 2026 |
| Northern Lights Property & Development AS | Real estate | 2023 |
| Northern Lights Property Holding AS | Real estate | 2023 |
| Northkid AS | Arts & recreation | 2019 |
| Norviking AS | Transport & logistics | 2010 |