| Livsnytere AS | Administrative & support | 2019 |
| Ljungbergo AS | Professional & scientific | 2023 |
| LKW 416 Holding AS | | 2023 |
| LMS Investing AS | Hospitality | 2024 |
| Lumi Foto AS | Professional & scientific | 2015 |
| Lystad Miljø Holding AS | Real estate | 2019 |
| Løvetanntunet AS | Real estate | 2004 |
| Mabh Gruppen AS | Administrative & support | 2018 |
| Madaco AS | Professional & scientific | 2022 |
| Magis Invest AS | Financial services | 2007 |
| Mansikka AS | Professional & scientific | 2000 |
| Manuellterapeut Gyri Yri AS | Health & social care | 2015 |
| Marianne K. Wahlstrøm Consulting AS | Information & communication | 2016 |
| Marwill AS | Professional & scientific | 2019 |
| May-Evy Negård AS | | 2021 |
| Meander Heat Recovery Nuf | Professional & scientific | 2010 |
| Melcor AS | Real estate | 2020 |
| Membran Teknikk Da | Construction | 1998 |
| Memiera AS | Construction | 2022 |
| Mepco AS | Professional & scientific | 2006 |
| MFB 858 Holding AS | | 2023 |
| Milkmj AS | | 2026 |
| Millvira AS | Professional & scientific | 2017 |
| Mitt Bosted AS | Real estate | 2023 |
| MNF Invest AS | | 2025 |
| Mohus AS | Administrative & support | 2018 |
| Moll Invest AS | Professional & scientific | 2016 |
| MTS Eiendom AS | | 2016 |
| Multi Forsikring AS | Financial services | 1913 |
| Music Network Norway AS | Arts & recreation | 2013 |
| MVK Holding AS | | 2025 |
| Mysi AS | | 2020 |
| Nagy Holding AS | Information & communication | 2017 |
| Narum Revisjon AS | Professional & scientific | 2017 |
| Nellfri AS | Manufacturing | 2023 |
| Neuralis AS | Information & communication | 2026 |
| Newmech AS | Professional & scientific | 2021 |
| Nicand Holding AS | | 2017 |
| Nico Bygg Invest AS | Financial services | 2005 |
| NN Regnskap AS | Professional & scientific | 2021 |
| Nolta AS | Information & communication | 2026 |
| Nordic Core Investment AS | Professional & scientific | 2026 |
| Nordic Distribution AS | Wholesale & retail | 2006 |
| Nordiske System Konstruktioner AS | Real estate | 1975 |
| Nordre Holo AS | | 2018 |
| Nordre Loreåsen Vann Og Avløp Drift SA | Real estate | 2019 |
| Norpet AS | Information & communication | 1988 |
| Norwegian Ocean AS | Professional & scientific | 2022 |
| Nottern AS | Information & communication | 2018 |
| Nye Mabhgruppen AS | Administrative & support | 2026 |
| Oaevensen AS | Information & communication | 2019 |
| Ok Service Og Montasje Nuf | Construction | 2024 |
| Oldah 242 Holding AS | | 2023 |
| Olja Holding AS | | 2019 |
| One Click Insight AS | Information & communication | 2016 |
| Opheim Consulting AS | Information & communication | 2017 |
| Optimal Markedsføring Da | Wholesale & retail | 2004 |
| Optimal Oppussing AS | Real estate | 2014 |
| Oslo Assuranse Nuf | Professional & scientific | 2003 |
| Paragon Utvikling AS | Professional & scientific | 2017 |
| Paul Invest AS | Professional & scientific | 2017 |
| Peak District AS | Financial services | 2014 |
| Peanuts Holding AS | | 2016 |
| Pernille Valebjørg Optikertjenester AS | Health & social care | 2025 |
| PHG Holding AS | | 2021 |
| Pilates Club AS | Arts & recreation | 2019 |
| PKN 445 Holding AS | | 2023 |
| Plastbåtservice AS | Manufacturing | 2015 |
| Pocket Gnome Holding AS | | 2023 |
| Pontia AS | Professional & scientific | 2022 |
| Pro Sales Da | Professional & scientific | 1995 |
| Procope AS | Professional & scientific | 2013 |
| Prosjekt Baiaas AS | Information & communication | 2021 |
| Prospero AS | Real estate | 1996 |
| Psykologspesialist Celine Gullbekk Riise AS | Health & social care | 2023 |
| Pusse Opp AS | Construction | 2021 |
| Pusteteknikk AS | Education | 2016 |
| Qualitair Norway AS | Information & communication | 2021 |
| Rahu Invest Da | Real estate | 2004 |
| Rajo Invest AS | Real estate | 2025 |
| Rasche Investeringer AS | Real estate | 2005 |
| Rbuilding AS | Professional & scientific | 2024 |
| Rearden Steel AS | Real estate | 2017 |
| Redyl Investor AS | Financial services | 2001 |
| Reidun Gulbrandsen Regnskapskontor AS | Professional & scientific | 2013 |
| Reinert AS | | 2016 |
| Reinh. Lycke AS | Professional & scientific | 1979 |
| Reinlia Invest AS | | 2023 |
| Reneflot Eiendom AS | Real estate | 2005 |
| Rennan-Hansen Holding AS | | 2024 |
| Rentabent AS | Real estate | 2021 |
| Revats AS | Real estate | 2005 |
| Ringi AS | Manufacturing | 2023 |
| Rockstuff Holding AS | | 2024 |
| Rtma AS | Professional & scientific | 2023 |
| Rufo Innredning AS | Construction | 2005 |
| Røegh Invest AS | Professional & scientific | 2005 |
| Rønning Ventures AS | | 2024 |
| Samspire AS | Professional & scientific | 2024 |
| Sandberg Classic Cars AS | Other services | 2021 |