| Meglergården Invest 1 AS | Real estate | 2014 |
| Meglerhuset Nordstrand AS | Real estate | 2024 |
| Meglermatch AS | Information & communication | 2024 |
| Meglerpartner Oppgjør AS | Real estate | 2025 |
| Meglerstøtte AS | Administrative & support | 2022 |
| Meglertorget AS | Information & communication | 2024 |
| Megusta AS | | 2008 |
| Meh AS | Financial services | 2017 |
| Meha AS | Health & social care | 2025 |
| Mehar 2 AS | Wholesale & retail | 2002 |
| Mehar Gruppen AS | Real estate | 1993 |
| Meher AS | Health & social care | 2012 |
| Mehidi Media AS | Arts & recreation | 2023 |
| Mehl & Landmark Ans | Arts & recreation | 2004 |
| Mehl Holding AS | | 2023 |
| Mehlsen Eiendom AS | Real estate | 2021 |
| Mehren Holding AS | Real estate | 1972 |
| Mehren Kjemi AS | Manufacturing | 1994 |
| Mehrenforventet Holding AS | | 2019 |
| Mehta AS | | 2024 |
| Meian AS | Information & communication | 2026 |
| Meiberg AS | Health & social care | 2007 |
| Meide AS | | 2025 |
| Meidel Eiendom Og Drift AS | Administrative & support | 2007 |
| Meidell Arkitektur AS | Professional & scientific | 2024 |
| Meier Investments AS | | 2026 |
| Meier-Bakken Holding & Investments AS | | 2025 |
| Meierigaarden B4 AS | Real estate | 2020 |
| Meierigata 4 Elverum AS | Real estate | 2026 |
| Meierigården Eiendom Løten AS | Real estate | 2011 |
| Meierikvartalet Holding AS | Real estate | 2018 |
| Meierikvartalet Utvikling AS | Real estate | 2017 |
| Meieriskogen Holding AS | Real estate | 2016 |
| Meieriskogen Næringspark AS | Real estate | 2008 |
| Meinich Arkitekter AS | Professional & scientific | 1973 |
| Meinich Eiendom AS | Real estate | 1994 |
| Meinich Inne AS | Professional & scientific | 2008 |
| Meinich Sendresen Invest AS | Hospitality | 2025 |
| Meir Spirits AS | Wholesale & retail | 2021 |
| Meira Media AS | Arts & recreation | 2017 |
| Meisal AS | Professional & scientific | 2008 |
| Meisal Holding AS | Professional & scientific | 2016 |
| Meisfjord Bas & Brallor AS | Arts & recreation | 2013 |
| Meisfjord Holding AS | Financial services | 2014 |
| Meissa AS | Information & communication | 2024 |
| Meiwei Spiseri AS | Hospitality | 2005 |
| Meja Invest AS | | 2022 |
| Mejdell Holding AS | | 2019 |
| Mejdell Holmen Holding AS | | 2021 |
| Mejdell Productions AS | Information & communication | 2019 |
| Mejlænder AS | Professional & scientific | 2003 |
| Mejs AS | | 2022 |
| Mekan Regnskap AS | Professional & scientific | 2020 |
| Mekkeriet AS | Manufacturing | 2025 |
| Mekle AS | Professional & scientific | 2020 |
| Meklenborg Forvaltning AS | Real estate | 1997 |
| Mekleriet Frogner AS | Real estate | 2020 |
| Meklingssenteret Advokatfirma AS | Professional & scientific | 2000 |
| Meko AS | Wholesale & retail | 2023 |
| Meko Bilverksted AS | Other services | 2018 |
| Meko Norway AS | Wholesale & retail | 1984 |
| Meko Norway Holding 2 AS | | 2025 |
| Meko Norway Holding AS | | 2025 |
| Meko Services AS | Wholesale & retail | 2024 |
| Mekster Norge Nuf | Wholesale & retail | 2017 |
| Mel Asker 21 AS | Real estate | 2025 |
| Mel Asker 22 AS | Real estate | 2025 |
| Mel Gardermoen 11 AS | Real estate | 2021 |
| Mel Gardermoen 13 AS | Real estate | 2021 |
| Mel Gardermoen 3 AS | Real estate | 2021 |
| Mel Gardermoen 7 AS | Real estate | 2021 |
| Mel Heia 10 AS | Real estate | 2022 |
| Mel Heia 12 AS | Real estate | 2022 |
| Mel Heia 29 AS | Real estate | 2022 |
| Mel Heia 8 AS | Real estate | 2022 |
| Mel Heia 9 AS | Real estate | 2022 |
| Mel Kollen 1 AS | Real estate | 2026 |
| Mel Kollen 10 AS | Real estate | 2026 |
| Mel Kollen 11 AS | Real estate | 2026 |
| Mel Kollen 12 AS | Real estate | 2026 |
| Mel Kollen 13 AS | Real estate | 2026 |
| Mel Kollen 2 AS | Real estate | 2026 |
| Mel Kollen 3 AS | Real estate | 2026 |
| Mel Kollen 4 AS | Real estate | 2026 |
| Mel Kollen 5 AS | Real estate | 2026 |
| Mel Kollen 6 AS | Real estate | 2026 |
| Mel Kollen 7 AS | Real estate | 2026 |
| Mel Kollen 8 AS | Real estate | 2026 |
| Mel Kollen 9 AS | Real estate | 2026 |
| Mel Moreppen 2 AS | Real estate | 2024 |
| Mel Moreppen 25 AS | Real estate | 2024 |
| Mel Moreppen 3 AS | Real estate | 2024 |
| Mel Vestby 1 AS | Real estate | 2022 |
| Mel Vestby 17 AS | Real estate | 2022 |
| Melahuset AS | Arts & recreation | 2016 |
| Melan Eiendom AS | Real estate | 2012 |
| Melan Invest AS | Real estate | 2010 |
| Meland & Karlsen Eiendom AS | Real estate | 2020 |
| Melanie Tennis Performance AS | Other services | 2013 |
| Melba VVS AS | Construction | 1992 |