| Midling-Hansen Holding AS | Professional & scientific | 2020 |
| Midtbø Bruk AS | Agriculture & fishing | 2022 |
| Mike Cleaning AS | Administrative & support | 2013 |
| Minera AS | Manufacturing | 1992 |
| Mira Byggservice AS | Construction | 2026 |
| Miss Fix IT AS | Other services | 2018 |
| Mkjb Invest AS | | 2023 |
| Mokasser AS | Manufacturing | 2006 |
| Mokka Mat AS | Wholesale & retail | 2003 |
| Movebox Flytteservice AS | Transport & logistics | 2015 |
| Msh.Holding AS | | 2024 |
| Myra Holding AS | Transport & logistics | 2005 |
| Møllertorget 18 a Og B AS | Real estate | 2019 |
| Navnia AS | Information & communication | 2023 |
| Nbu Service AS | Construction | 2021 |
| Nedre Hagavei 19 AS | Real estate | 2010 |
| Nedre Hagavei 5 AS | Real estate | 2018 |
| Nek AS | Construction | 2007 |
| Nekas Eiendom AS | Real estate | 2012 |
| Nes Anleggsservice AS | Administrative & support | 2003 |
| Nes Auto AS | Wholesale & retail | 2019 |
| Nes Bedriftsrådgivning AS | Professional & scientific | 2010 |
| Nes Bil AS | Other services | 2009 |
| Nes Bilelektro AS | Other services | 1995 |
| Nes Bioenergi AS | Energy | 2017 |
| Nes Bygdeservice SA | Administrative & support | 2001 |
| Nes Dyreklinikk Da | Professional & scientific | 2008 |
| Nes Eiendomspartner AS | Real estate | 2015 |
| Nes Eiendomsutvikling AS | Construction | 2014 |
| Nes Elektro AS | Wholesale & retail | 2025 |
| Nes Hage Og Anlegg AS | Construction | 2012 |
| Nes Helsehus AS | Real estate | 2009 |
| Nes Håndverkerservice AS | Construction | 2026 |
| Nes Kiropraktorklinikk AS | Health & social care | 2026 |
| Nes Kjøtt AS | Manufacturing | 2023 |
| Nes Konsult AS | Real estate | 2012 |
| Nes Legesenter Da | Health & social care | 1990 |
| Nes Maskinutleie AS | Administrative & support | 2023 |
| Nes Medisinske Senter Da | Health & social care | 2011 |
| Nes Næringsselskap AS | Real estate | 2023 |
| Nes Restaurantdrift AS | Hospitality | 2026 |
| Nes Rørleggerbedrift AS | Construction | 2018 |
| Nes Rørservice AS | Construction | 1993 |
| Nes Sag & Høvleri AS | Real estate | 2005 |
| Nes Sykepleierprodukter AS | Wholesale & retail | 2014 |
| Nes Tak Og Bygg AS | Construction | 2024 |
| Nes Villmarksforum AS | Hospitality | 1991 |
| Nes Økonomi AS | Professional & scientific | 2021 |
| Nesklinikken AS | Health & social care | 2015 |
| Neskollen Tomteutvikling AS | Real estate | 2014 |
| Nessi Da | Hospitality | 2003 |
| NH15-3 Eiendom AS | Real estate | 2014 |
| Nilsbu Ans | Real estate | 2001 |
| Nilsen & Rismyr Montasje Da | Construction | 1999 |
| Noona AS | Real estate | 2016 |
| Nor Teknikk AS | Other services | 2001 |
| Noraker Invest AS | | 2021 |
| Norcon Norway AS | Wholesale & retail | 2011 |
| Nordic Dent Akershus AS | Other services | 2018 |
| Nordic Ghana Investment Services AS | Professional & scientific | 2012 |
| Nordic X-Press Logistics AS | Transport & logistics | 2018 |
| Nordway AS | Transport & logistics | 2014 |
| Normento Teaching AS | Education | 2024 |
| Norsk Engros Salg AS | Wholesale & retail | 2016 |
| Norsk Forankring AS | Construction | 1992 |
| Norsk Maskinutleie AS | Administrative & support | 2014 |
| Norsk Ved AS | Wholesale & retail | 2020 |
| Norske Holding AS | Real estate | 2007 |
| Norske Trading AS | Wholesale & retail | 2008 |
| Northstack AS | Real estate | 2017 |
| Norway Business Solutions AS | Professional & scientific | 2022 |
| NRB Holding AS | Construction | 2010 |
| Nt&D Installasjon AS | Construction | 2023 |
| Ny Hverdag Ans | Health & social care | 2013 |
| Ny Årnes Pizza Og Grill Da | Hospitality | 2008 |
| Nysgjerrig AS | Professional & scientific | 2017 |
| Nøkken Forlag AS | Information & communication | 2023 |
| Oa Søgård AS | Construction | 2024 |
| Odde Invest AS | | 2026 |
| Ojhh AS | | 2025 |
| Ojk Holding AS | Real estate | 2013 |
| Ojk Rådgivning AS | Professional & scientific | 2025 |
| Ojkon AS | Agriculture & fishing | 2021 |
| Olian Holding AS | Construction | 2019 |
| Optiker Bernt Øiesvold AS | Wholesale & retail | 2000 |
| Oremarka Eiendom AS | Real estate | 1998 |
| Oslo Betongtransport AS | Transport & logistics | 2012 |
| Patman AS | Information & communication | 2013 |
| PCL Holding AS | Information & communication | 2005 |
| PD Holding AS | Wholesale & retail | 2021 |
| PEKING PALACE RESTAURANT ANS Chiang Sei Wah og Chiang Sai Loi | Hospitality | 1990 |
| Per Stian Og Kenneths Skogsdrift Da | Agriculture & fishing | 1998 |
| Philosophical AS | Wholesale & retail | 2024 |
| Polygraph Norge AS | Wholesale & retail | 1996 |
| Powerpunch AS | Manufacturing | 2006 |
| Proffemalere AS | Construction | 2016 |
| Progress Eiendom AS | Real estate | 2021 |
| Progressus AS | Transport & logistics | 2022 |
| Pungrein Holding AS | Arts & recreation | 2023 |
| Purest AS | Construction | 2020 |