| Lauritzen-Holding AS | | 2025 |
| Lavamilk AS | Information & communication | 2025 |
| Ledcameroch Holdings AS | | 2021 |
| Leidarstein Advokatfirma AS | Professional & scientific | 2018 |
| Lene M. Moldestad AS | | 2017 |
| Leseplaneten AS | Information & communication | 2019 |
| Lesestigen AS | Education | 2026 |
| Leukolect AS | Administrative & support | 1990 |
| LHB Konsult AS | Professional & scientific | 2024 |
| Liamyrane 11 Bergen AS | Real estate | 2019 |
| Lie-Nielsen Holding AS | Hospitality | 2005 |
| Liftroller Equipment AS | Administrative & support | 2006 |
| Lille Skjolddalen Eiendom AS | Real estate | 2026 |
| Lille Øvregaten 19B AS | Real estate | 2023 |
| Lilletveitvegen 73 a Og B AS | Real estate | 2018 |
| Lilletveitvegen 73 CD AS | Real estate | 2018 |
| Limidario Holding AS | Professional & scientific | 2019 |
| Linjen AS | Real estate | 2012 |
| Lisa Lerberg Kopstad Invest AS | | 2020 |
| Lisaldi AS | Education | 2025 |
| LJ Holding AS | Real estate | 2005 |
| Loopup Norway Nuf | Information & communication | 2024 |
| Loyden AS | Financial services | 2005 |
| LP Co AS | Financial services | 2011 |
| Lucille Holding AS | Professional & scientific | 2019 |
| Lucy Marshall AS | Professional & scientific | 2021 |
| Luno Tankers AS | Transport & logistics | 2025 |
| M Vest AS | Mining & quarrying | 2015 |
| Magma Entertainment AS | Information & communication | 2026 |
| Magmai Invest AS | | 2019 |
| Magnus Music AS | Arts & recreation | 2019 |
| Magnus Skylstad Invest AS | Real estate | 2019 |
| Magusta AS | Real estate | 2015 |
| Mancon AS | Real estate | 1988 |
| Mange Bekker AS | Wholesale & retail | 2007 |
| Maren M. Moldestad AS | | 2017 |
| Mareo Tankers AS | Transport & logistics | 2025 |
| Marex Vest AS | Wholesale & retail | 2014 |
| Marill AS | Real estate | 2013 |
| Marine Care Scandinavia AS | Wholesale & retail | 2013 |
| Marinescan AS | Professional & scientific | 2013 |
| Maritime Consulting & Services Ltd | Professional & scientific | 2004 |
| Marmex | Professional & scientific | 2003 |
| Marmorkollen AS | Real estate | 2020 |
| Maskinsalg Vestland AS | Wholesale & retail | 2024 |
| Maud Holding AS | Real estate | 2015 |
| MB Service AS | Other services | 1996 |
| Mce Holding AS | Real estate | 2005 |
| Mediaweb AS | Information & communication | 2024 |
| Meks AS | | 2019 |
| Meltemi Invest AS | Professional & scientific | 2007 |
| Michelsens Terrasse AS | Real estate | 2018 |
| Michiko AS | Professional & scientific | 2005 |
| Millyen AS | Real estate | 2013 |
| Mimar Invest AS | | 2023 |
| Mindset Advisory AS | Professional & scientific | 2017 |
| Mineralkonsult Da | Professional & scientific | 2010 |
| Miraflores Consult AS | Professional & scientific | 2020 |
| Mitosis AS | | 2006 |
| Mjmonsen Holding AS | Financial services | 2015 |
| Mjåtveitmarka B16 AS | Real estate | 2013 |
| MLB Holding AS | Wholesale & retail | 2023 |
| Mobinvest AS | Professional & scientific | 2005 |
| Mocean Invest AS | Professional & scientific | 2020 |
| Modul Konsept AS | Real estate | 2021 |
| Moija AS | Professional & scientific | 2017 |
| Molasset AS | | 2003 |
| Molden Arkitekter AS | Professional & scientific | 1989 |
| Monopixel AS | Information & communication | 2023 |
| Monterey Holding AS | Real estate | 2005 |
| Morfei AS | Health & social care | 2023 |
| Morten Iversen AS | Wholesale & retail | 2017 |
| Mot AS | Financial services | 2005 |
| Mountain Ox AS | Administrative & support | 2020 |
| Mowabygg AS | Construction | 2024 |
| MR Bygg Ans | Construction | 2004 |
| Mra Product Invest AS | Transport & logistics | 2023 |
| Muigusk AS | | 2026 |
| Mulius AS | Wholesale & retail | 2013 |
| Mull-Elektro AS | Construction | 2023 |
| Muren Invest AS | Real estate | 2004 |
| Muse Creative Productions Da | Arts & recreation | 2024 |
| Mutech AS | Wholesale & retail | 2025 |
| Møgster Invest AS | | 2020 |
| Møllendalsveien 68D AS | Real estate | 2015 |
| Nahoj AS | Financial services | 2007 |
| Nammen AS | Professional & scientific | 2017 |
| Namtvedt -Sealmaker Services AS | Mining & quarrying | 1986 |
| Namtvedt Coast Center Base AS | | 1980 |
| Namtvedt Xpo AS | Information & communication | 2012 |
| Nanette Mjellem AS | Financial services | 2005 |
| Nero Tankers AS | Transport & logistics | 2023 |
| Nesttun Chartering AS | Transport & logistics | 1981 |
| Nesttun Invest AS | Transport & logistics | 2000 |
| Nesttun Invest Eiendom Drift AS | Real estate | 2011 |
| Nesttun Invest Shipholding AS | Transport & logistics | 2020 |
| Nesttun Shipping AS | Transport & logistics | 2023 |
| Nesttun Tank Holding AS | Transport & logistics | 2025 |
| Nesttun Tank One AS | Transport & logistics | 2025 |
| Nesttun Tank Two AS | Transport & logistics | 2025 |