| Limbra AS | Health & social care | 2012 |
| Ljosheimveien 12 AS | Real estate | 2012 |
| Ljosheimveien 14 AS | Real estate | 1995 |
| Ljosheimveien 16 AS | Real estate | 1974 |
| Ljosheimveien 2 AS | Real estate | 2010 |
| Load Invest AS | Real estate | 2021 |
| Lokal Base AS | Administrative & support | 2015 |
| Lubetech AS | Wholesale & retail | 2007 |
| Luftmoller AS | Wholesale & retail | 2020 |
| Lukitransport AS | Transport & logistics | 2023 |
| Luramyrveien 75-79 AS | Real estate | 2006 |
| Luramyrveien Eiendom AS | Real estate | 2004 |
| Lykkeliten - Sola Systue AS | Other services | 2013 |
| Låsesmedmester Hveding AS | Manufacturing | 2005 |
| Låvesvale AS | Real estate | 2005 |
| M Holding AS | Financial services | 2005 |
| M Industri AS | Manufacturing | 2019 |
| M10 Invest AS | | 2022 |
| Madlaveien 50 AS | Real estate | 2006 |
| Madsen Investering AS | Health & social care | 2025 |
| Magbrie Holding AS | | 2021 |
| Magnar Eikeland Gruppen AS | Wholesale & retail | 2014 |
| Magnar Eikeland Invest AS | Manufacturing | 2010 |
| Majos AS | Real estate | 2022 |
| Maksi Distribusjon AS | Transport & logistics | 1997 |
| Malb Holding AS | | 2022 |
| Malermester Karl Jakobsen AS | Construction | 2009 |
| Mant AS | Real estate | 2019 |
| Map Aircraft Part 21 AS | Professional & scientific | 2007 |
| Map Aircraft Projects AS | Professional & scientific | 2004 |
| Marikie Mat Netbutikk Ans | Wholesale & retail | 2021 |
| Marine Software Integration AS | Information & communication | 2012 |
| Maritah AS | Financial services | 2014 |
| Marversch AS | Professional & scientific | 2025 |
| Mast Gulv AS | Construction | 2021 |
| Max Macro AS | | 2026 |
| MB Microbygg | Construction | 2013 |
| Meland Investering AS | | 2024 |
| Melk Holding AS | | 2022 |
| Melodypipe AS | Information & communication | 2015 |
| Meløysund Invest AS | Real estate | 2005 |
| Mikalsen Egil & Co Ans | Construction | 1970 |
| Mikkelborg Eiendom AS | Professional & scientific | 2008 |
| Mikkelborg Eiendomsselskap AS | Real estate | 2026 |
| Mikkelborg Holding AS | | 2026 |
| Miljøparken Eiendom AS | Real estate | 2008 |
| Miljøparken Holding AS | | 2022 |
| Mima Asset Management AS | Other services | 2021 |
| Minilei AS | Administrative & support | 2025 |
| Mino Investering AS | | 2022 |
| Moddi Frisør AS | Other services | 2022 |
| Module Solutions & Systems AS | Wholesale & retail | 2001 |
| Molnex Energy AS | Professional & scientific | 2019 |
| Molnex Holding AS | Professional & scientific | 2017 |
| Monivar Invest AS | Real estate | 2015 |
| Monollect AS | Information & communication | 2023 |
| Monopoli AS | Real estate | 2015 |
| Morten Invest AS | Real estate | 2005 |
| Morten Klepp Holding AS | Administrative & support | 2005 |
| Mortens Holding AS | Agriculture & fishing | 2012 |
| Mosepp AS | | 2026 |
| Most Holding AS | | 2023 |
| Mostunveien AS | Real estate | 2015 |
| Motorkraft AS | | 2026 |
| MR Arkitekter AS | Professional & scientific | 2018 |
| MV Bolig AS | Professional & scientific | 2024 |
| MV Gruppen AS | Wholesale & retail | 1998 |
| MV Helse AS | Administrative & support | 2024 |
| Mykle Invest AS | Real estate | 2005 |
| Myklebust BBB12 AS | Real estate | 2025 |
| Myklebust Panorama AS | Real estate | 2006 |
| Mynor AS | Wholesale & retail | 2017 |
| Myrvegen AS | Real estate | 2026 |
| Myrvegen GNR. 60 BNR. 157 AS | Real estate | 2026 |
| Mytera AS | Construction | 2022 |
| Målebygget AS | Real estate | 2006 |
| Mæf Sola AS | Hospitality | 2017 |
| Mæland Og Kambo Ans | | 1990 |
| Mælebær AS | Agriculture & fishing | 2022 |
| Nando AS | | 2021 |
| NBV AS | Administrative & support | 2018 |
| Nessa Tegneservice AS | Professional & scientific | 2024 |
| Nfo Holding AS | Financial services | 2005 |
| Nfo Invest AS | Education | 2005 |
| Nfo Invest Utleie AS | Education | 2023 |
| Nfo Kapital AS | Financial services | 2005 |
| Nilok AS | | 2025 |
| Nina P Holding AS | Real estate | 2020 |
| NM Renhold AS | Administrative & support | 2024 |
| Node Partner AS | Professional & scientific | 2023 |
| Nordsjørittet AS | Arts & recreation | 2009 |
| Norse Cutting AS | Manufacturing | 2015 |
| Norsk Agurk Anlegg AS | Real estate | 2017 |
| Norsk Agurk AS | Agriculture & fishing | 2008 |
| Norsk Agurk Holding AS | Agriculture & fishing | 2018 |
| Nortec Solar AS | Wholesale & retail | 2022 |
| Norvind AS | Transport & logistics | 2026 |
| Norvitalia AS | Wholesale & retail | 2021 |
| Norway Bike Experience AS | Administrative & support | 2018 |
| Norwegian Aviation & Defense Group AS | Professional & scientific | 2017 |