| Melboden Eiendom AS | Real estate | 2005 |
| Melbourne AS | | 2019 |
| Melbow AS | | 2026 |
| Melbu Handelseiendom AS | Real estate | 2020 |
| Melby Investments AS | Financial services | 2015 |
| Melbye Capital AS | | 2025 |
| Melbye-Larsen Invest AS | Professional & scientific | 2006 |
| Melch Holding AS | Professional & scientific | 2020 |
| Melcher Holding AS | Real estate | 2012 |
| Meld Labs AS | Professional & scientific | 2024 |
| Melderskin Invest AS | | 2025 |
| Mele AS | | 2023 |
| Melen AS | | 2023 |
| Melesio AS | Professional & scientific | 2018 |
| Melesio Capital AS | Professional & scientific | 2016 |
| Melesio Equity AS | Professional & scientific | 2022 |
| Melesio Holding AS | Professional & scientific | 2016 |
| Melesio Invest AS | | 2020 |
| Melesio Management AS | | 2020 |
| Melesio Real Estate AS | Real estate | 2015 |
| Melfjordbotn Kraftverk AS | Energy | 2023 |
| Melgaard Invest Limited Nuf | | 2007 |
| Melgård Eiendom AS | Wholesale & retail | 1999 |
| Melhus Communication AS | Professional & scientific | 2005 |
| Meli Dagligvare AS | Wholesale & retail | 2024 |
| Melika Ladies Tish AS | Other services | 2023 |
| Melina Blomster AS | Wholesale & retail | 2021 |
| Meling Holding AS | | 2025 |
| Meling Invest AS | Real estate | 2005 |
| Melis AS | | 2005 |
| Melis Design AS | Professional & scientific | 2017 |
| Melisa Renholdsservice AS | Administrative & support | 2008 |
| Melisandra AS | Wholesale & retail | 2014 |
| Melius Nordic AS | Administrative & support | 2018 |
| Meliz of Norway AS | Education | 2023 |
| Melk Design AS | Professional & scientific | 2012 |
| Melk&Honning Da | Information & communication | 2006 |
| Melkersen Lyd AS | Information & communication | 2023 |
| Melkeruta Ans | | 1994 |
| Melkesyra Eiendom AS | Real estate | 2026 |
| Melkeveien 15 AS | Real estate | 2014 |
| Melkeveien Designkontor AS | Professional & scientific | 2001 |
| Melking Invest AS | | 2025 |
| Melkøyveien Hammerfest AS | Real estate | 2021 |
| Mell AS | Professional & scientific | 2014 |
| Mella Invest AS | | 2021 |
| Mellanbu AS | | 2026 |
| Mellbye Arkitektur Interiør AS | Professional & scientific | 1987 |
| Mellbye Invest AS | | 2025 |
| Mellbye Kommunikasjon AS | Professional & scientific | 2013 |
| Mellbyeslagsvold AS | Real estate | 2012 |
| Melle AS | Real estate | 2012 |
| Melle Invest AS | | 2021 |
| Melleberg Eiendom AS | Real estate | 2018 |
| Melleby AS | Professional & scientific | 1995 |
| Melleby Holding AS | | 2025 |
| Mellebyveien 18 AS | Real estate | 2017 |
| Melledrum Holding AS | | 2021 |
| Mellingsater & Company AS | Professional & scientific | 2013 |
| Mellingsæter Avløysarlag AS | Professional & scientific | 2021 |
| Mellom Bakkar Og Bratberg AS | Arts & recreation | 2022 |
| Mellom Linjene AS | Arts & recreation | 1998 |
| Mellom Trærne Barnehage Ans | Education | 1992 |
| Mellombølgen 141 AS | Real estate | 2005 |
| Mellomkollen AS | Real estate | 2016 |
| Mellomtid AS | | 2021 |
| Mellomvika 5 AS | Real estate | 2007 |
| Mellomåsveien 1 AS | Real estate | 2024 |
| Mellomåsveien Holding AS | Real estate | 2019 |
| Mellowmoment AS | Arts & recreation | 2006 |
| Mellu AS | Wholesale & retail | 2022 |
| Melm Holding AS | | 2019 |
| Melody Nails AS | Other services | 2024 |
| Meloee AS | | 2026 |
| Meloui AS | Arts & recreation | 2026 |
| Meloui Holding AS | | 2026 |
| Melsbø Holding AS | | 2025 |
| Melsom Consulting AS | Professional & scientific | 2020 |
| Melsom Invest AS | Financial services | 2005 |
| Melsom Teknologi AS | Information & communication | 2020 |
| Melsom Trading AS | Hospitality | 1962 |
| Melsted Elektro AS | Construction | 2002 |
| Melt Burger AS | Hospitality | 2025 |
| Melte AS | Real estate | 2011 |
| Meltek AS | Construction | 2019 |
| Meltemi AS | Administrative & support | 2026 |
| Melting Brain Club AS | Information & communication | 2023 |
| Meltob AS | Real estate | 2017 |
| Meltwater News AS | Information & communication | 2001 |
| Meltzer AS | | 2021 |
| Meltzers Gate 10 AS | Real estate | 2025 |
| Meltzers Gate 9A Næring AS | Real estate | 2024 |
| Meltzers Holding AS | | 2026 |
| Meltzersgate 5 Holding AS | Real estate | 2024 |
| Meltzersgate 9A Holding AS | Real estate | 2024 |
| Meltzone AS | Professional & scientific | 2020 |
| Melum Mølle AS | Real estate | 2004 |
| Melver Invest AS | Real estate | 2006 |
| Melvin Holding AS | | 2020 |
| Melvin KM Holding AS | | 2024 |