| Lmch Invest AS | | 2026 |
| Lme Invest AS | | 2021 |
| Lockert Holding AS | Real estate | 2022 |
| Logic Corporate AS | Financial services | 2005 |
| Lolorama AS | Financial services | 2017 |
| Long Term Property AS | Real estate | 2019 |
| Loss Prevention AS | Professional & scientific | 2015 |
| Loss Recovery AS | Professional & scientific | 2016 |
| Lotila Ramonedge Hockey Service AS | Wholesale & retail | 2016 |
| Lottco AS | | 2025 |
| LST Holding AS | Wholesale & retail | 2005 |
| Ltrs Holding AS | Real estate | 2017 |
| LTS Invest AS | | 2022 |
| Luivo AS | | 2022 |
| Lykkefabrikken AS | Real estate | 1999 |
| Lyoka Design AS | Information & communication | 2025 |
| Lysefjordsenteret Drift AS | Manufacturing | 1978 |
| Lyshove Holding AS | Financial services | 2005 |
| Lyster Admin Service AS | Transport & logistics | 1995 |
| Løp AS | Professional & scientific | 2005 |
| M E Eiendom AS | Real estate | 2016 |
| M&J Holding AS | Real estate | 2017 |
| M. Style Investment AS | Real estate | 2024 |
| M2 Investering AS | Real estate | 2006 |
| M42 // SVG AS | Professional & scientific | 2016 |
| Maasra Holding AS | | 2025 |
| Madla Bil AS | Other services | 2005 |
| Madla Frisør AS | Other services | 2022 |
| Madla Handelslag SA | Wholesale & retail | 1907 |
| Madla Hud & Fotklinikk AS | Other services | 2011 |
| Madla Hudpleie AS | Other services | 2020 |
| Madla Lavpris AS | Wholesale & retail | 1998 |
| Madla Naprapatklinikk AS | Health & social care | 2015 |
| Madla Næringsenter AS | Real estate | 2006 |
| Madla Optikk AS | Wholesale & retail | 2016 |
| Madla Specsavers AS | Wholesale & retail | 2015 |
| Madlaklinikken AS | Health & social care | 2019 |
| Madlakrossen 10 AS | Real estate | 2014 |
| Madlakrossen Legesenter Da | Health & social care | 2007 |
| Madlakrossen Pizza Ans | Real estate | 1995 |
| Madlakrossen Sushi AS | Hospitality | 2014 |
| Madlaparken AS | Real estate | 2020 |
| Madlasandnes Nærbutikk AS | Wholesale & retail | 2019 |
| Magne Skomedal AS | Financial services | 2005 |
| Maichen Holding AS | | 2025 |
| Maior AS | | 2024 |
| Malerbua Utleie AS | Administrative & support | 1994 |
| Malerisalongen Ans | Wholesale & retail | 1998 |
| Malibu AS | Real estate | 2007 |
| Mando AS | | 2013 |
| Mannes Consulting AS | Professional & scientific | 2024 |
| Marabel AS | | 2025 |
| Marce Invest AS | | 2026 |
| Marine HPC AS | Professional & scientific | 2023 |
| Maring Holding AS | | 2019 |
| Mariro AS | Financial services | 2010 |
| Marisund Holding AS | Real estate | 2005 |
| Marketminds AS | Professional & scientific | 2023 |
| Martin Sørdal AS | Professional & scientific | 2025 |
| Marveous | Manufacturing | 2018 |
| Maskinveien 20 AS | Real estate | 1974 |
| Maskinveien 6 AS | Real estate | 2008 |
| Mast Finans AS | Professional & scientific | 2014 |
| Mathildes Bakeri AS | Manufacturing | 2022 |
| Mauritzens Sønner AS | | 2026 |
| Maverick Invest AS | Financial services | 2015 |
| Max Venture AS | Health & social care | 2005 |
| Maybente AS | Professional & scientific | 2017 |
| Mayor Holding AS | Professional & scientific | 2023 |
| Mayor Solutions AS | Professional & scientific | 2021 |
| Mbo Invest AS | Professional & scientific | 2011 |
| Mcity Holding AS | Financial services | 2018 |
| Mcneill Invest AS | | 2020 |
| Media Stavanger AS | Information & communication | 2002 |
| Meihack Thompson Invest AS | | 2019 |
| Melite AS | Financial services | 2005 |
| Melodi AS | Financial services | 2013 |
| Micro Invest AS | Financial services | 2014 |
| Miit AS | Professional & scientific | 2023 |
| Mija AS | | 2020 |
| Mikalsen Byggadministrasjon AS | Professional & scientific | 2017 |
| Mikkvisual AS | Information & communication | 2022 |
| Mikrohage AS | Wholesale & retail | 2025 |
| Mindas AS | Construction | 2024 |
| Minimentor AS | Education | 2026 |
| Mirage AS | Real estate | 2007 |
| Misc AS | | 2025 |
| Mito Investering AS | Financial services | 2013 |
| MJG Invest AS | | 2019 |
| Mjughaugskogen Barnehage SA | Education | 1992 |
| Mo-Er AS | | 2022 |
| Modicum AS | | 2021 |
| Moedata AS | Information & communication | 2026 |
| Mohr AS | Mining & quarrying | 2010 |
| Molar Invest AS | Health & social care | 2024 |
| Molitrix Da | Arts & recreation | 2004 |
| Momsconsult AS | Professional & scientific | 2013 |
| More Headroom AS | Professional & scientific | 2018 |
| Morpheus AS | Health & social care | 2023 |
| Moryla AS | Professional & scientific | 2022 |