| Malling Core Plus I Holding AS | Real estate | 2023 |
| Malling Core Plus II AS | Financial services | 2023 |
| Malling Core Plus II Feeder AS | Financial services | 2024 |
| Malling Core Plus II Holding AS | Real estate | 2023 |
| Malling Eiendom AS | Real estate | 2020 |
| Malling Handelseiendom AS | Financial services | 2024 |
| Malling Handelseiendom Holding AS | Real estate | 2024 |
| Malling Let.No AS | Information & communication | 2022 |
| Malling Prosjekt AS | Real estate | 2018 |
| Malling Prosjektinvest AS | Real estate | 2021 |
| Malling Value Add I AS | Financial services | 2022 |
| Malling Value Add II AS | Financial services | 2024 |
| Malm Estate Company AS | Real estate | 2018 |
| Malmag AS | | 2000 |
| Malmag Capital AS | | 2005 |
| Malmar Invest AS | Financial services | 2009 |
| Malmco Holding AS | | 2025 |
| Malmo Holding AS | Professional & scientific | 2013 |
| Malmskriverveien 18-20 AS | Real estate | 2019 |
| Malmskriverveien 2-4 AS | Real estate | 2019 |
| Malmstolen AS | Wholesale & retail | 2007 |
| Malmstrøm Holding AS | | 2026 |
| Malmøya Mat & Grill Da | Wholesale & retail | 2010 |
| Malmøya Mat AS | Wholesale & retail | 2015 |
| Malo AS | Real estate | 2013 |
| Malo Investments AS | | 2022 |
| Malo Kapital AS | | 2024 |
| Maloku Holding AS | | 2026 |
| Maloma AS | Real estate | 2018 |
| Malorama AS | Wholesale & retail | 2005 |
| Malosalg AS | Education | 2021 |
| Malotto AS | | 2020 |
| Malowi Holding AS | | 2023 |
| Malpais AS | | 2005 |
| Malproff-Service AS | Construction | 2016 |
| Malrik Adventures AS | | 2023 |
| Malt AS | Hospitality | 2018 |
| Malt Norge AS | Wholesale & retail | 2011 |
| Malthazar AS | | 2025 |
| Malthe Innovation AS | | 2024 |
| Maltheverse Holding AS | Professional & scientific | 2024 |
| Maltis AS | Wholesale & retail | 2005 |
| Malto AS | Professional & scientific | 2007 |
| Maltro AS | | 2021 |
| Malvinfjellet AS | Real estate | 2014 |
| Maløy AS | | 2019 |
| Mam AS | Financial services | 2009 |
| Mam Fastfood AS | Hospitality | 2024 |
| Mam Grill AS | Hospitality | 2025 |
| Mama Africa Restaurant & Bar AS | Hospitality | 2025 |
| Mama Bridget AS | Wholesale & retail | 2025 |
| Mama Capital AS | | 2025 |
| Mama Eiendom AS | Real estate | 2005 |
| Mamagoto AS | Wholesale & retail | 2020 |
| Mamalao AS | Professional & scientific | 2020 |
| Mamama Invest AS | | 2026 |
| Mamas Mat AS | Hospitality | 2022 |
| Mamat AS | Wholesale & retail | 2017 |
| Mamavi AS | | 2020 |
| Mamax Invest AS | Financial services | 2007 |
| Mamayoga AS | Arts & recreation | 2010 |
| Mambo AS | Financial services | 2006 |
| Mameghani Holdings AS | | 2016 |
| Mamelund Forvaltning AS | | 2018 |
| Mamenn Ans | Wholesale & retail | 2002 |
| Mami AS | Financial services | 2006 |
| Mamicon AS | Professional & scientific | 2023 |
| Mamimi Holding AS | Real estate | 2019 |
| Mamito AS | Real estate | 2001 |
| Mamjo AS | Professional & scientific | 2019 |
| Mamle Holding AS | | 2024 |
| Mamma Holding AS | Transport & logistics | 2022 |
| Mamma Pizza AS | Hospitality | 2018 |
| Mamma Pizza Import AS | Wholesale & retail | 2022 |
| Mamma Pizza Lillestrøm AS | Hospitality | 2022 |
| Mamma Pizza Nydalen AS | Hospitality | 2013 |
| Mamma Pizza Via Vika AS | Hospitality | 2022 |
| Mamma Studio Da | Professional & scientific | 2024 |
| Mammon AS | Professional & scientific | 2017 |
| Mamo Invest AS | Real estate | 2020 |
| Mamos Media Ltd (Mamos TV) Nuf | Information & communication | 2022 |
| Mamounia AS | Hospitality | 2002 |
| Mamove AS | | 2022 |
| Mamyant AS | | 1978 |
| Mamyr Invest AS | | 2022 |
| Man in the Arena AS | | 2011 |
| Man in Van AS | Administrative & support | 2025 |
| Mana AS | Financial services | 2014 |
| Mana Consulting AS | Information & communication | 2024 |
| Mana Music AS | Arts & recreation | 2025 |
| Management Consulting Company AS | Professional & scientific | 2019 |
| Management Solving Norway AS | Professional & scientific | 2022 |
| Manapento AS | Information & communication | 2023 |
| Manas AS | Wholesale & retail | 2011 |
| Manastorm AS | Information & communication | 2026 |
| Manasus Consulting AS | Professional & scientific | 1992 |
| Manatee AS | | 2019 |
| Manavi AS | | 2022 |
| Mancini Contract AS | Wholesale & retail | 1996 |
| Manco Sweden AS | | 2026 |