| Knop Marine AS | Wholesale & retail | 2021 |
| Kodo AS | | 2022 |
| Koe AS | Information & communication | 2023 |
| Koka AS | Real estate | 2016 |
| Kokstadflaten 11 AS | Real estate | 2005 |
| Kokstadveien 48 a Eiendomsselskap AS | Real estate | 1980 |
| Kolltveit Holding AS | | 2026 |
| Kompauto Norway AS | Wholesale & retail | 2015 |
| Kreativ Jobb AS | Information & communication | 2019 |
| Kronheim Invest AS | Financial services | 2006 |
| Kroningen Invest AS | | 2022 |
| Kugesh Invest AS | | 2021 |
| Kurt Netskar Entreprenør AS | Construction | 2005 |
| Kvale Holding AS | Health & social care | 2023 |
| Kvile Holding AS | Real estate | 2010 |
| Kvilesteinen AS | Financial services | 2005 |
| Laksevåg Bygg AS | Construction | 2021 |
| Laksevåg Eiendom AS | Construction | 2023 |
| Laksevåg Gruppen AS | | 2023 |
| Laksevåg Stillas AS | Construction | 2024 |
| Lale Invest AS | | 2023 |
| Lambach Maskin AS | Construction | 2018 |
| Lamok AS | Real estate | 2005 |
| Leganger Invest AS | Administrative & support | 2019 |
| Leirvik & Co AS | Professional & scientific | 2021 |
| Lekelageret AS | Wholesale & retail | 2025 |
| Lekven Holding AS | Real estate | 2013 |
| Lenas Hudpleie AS | Other services | 2020 |
| Lgrm Holding AS | Real estate | 2017 |
| LHF Invest AS | Transport & logistics | 2008 |
| Light Invest AS | Real estate | 2016 |
| Linmad Holding AS | | 2025 |
| Linnto AS | Real estate | 1999 |
| Litu AS | Real estate | 2007 |
| LLJ Invest AS | | 2021 |
| Lofthus Elektro AS | Construction | 2025 |
| Lubbers Capital Management AS | Financial services | 2018 |
| Lås 24 AS | Manufacturing | 2010 |
| Låssenteret AS | Wholesale & retail | 2014 |
| Løbø Invest AS | | 2022 |
| Lønningshaugen 7 AS | Real estate | 2008 |
| M Årdalsbakke AS | | 2026 |
| M. Hope AS | | 2016 |
| Mainlink AS | Professional & scientific | 2015 |
| Majosi AS | Professional & scientific | 2007 |
| Majoth AS | Professional & scientific | 2021 |
| Mamima AS | Professional & scientific | 2017 |
| Mao Holding AS | Real estate | 2015 |
| Marine & Industri Power AS | Wholesale & retail | 2021 |
| Marine Parts & Propulsion AS | Wholesale & retail | 2018 |
| Marketing Lab AS | Professional & scientific | 2016 |
| Marmordalen AS | Real estate | 2013 |
| Marsana AS | | 2021 |
| Mavo Utvikling AS | Financial services | 2013 |
| Merlinvest AS | | 2025 |
| Method Holding AS | | 2026 |
| Metro Media AS | Arts & recreation | 2025 |
| MFJ AS | Wholesale & retail | 2021 |
| Michelsen Service AS | Administrative & support | 2020 |
| Miemsopeja AS | Wholesale & retail | 2021 |
| Miletus Holding AS | | 2024 |
| Mipo Holding AS | Wholesale & retail | 2021 |
| Mirakel Holding AS | | 2024 |
| Mjellstrand Da | Agriculture & fishing | 2022 |
| Mmo Invest AS | | 2022 |
| Mo Design AS | Wholesale & retail | 2022 |
| Mo Interiør AS | Wholesale & retail | 2013 |
| Mo Interiør Og Invest AS | Wholesale & retail | 2017 |
| Mo Invest Og Design AS | Wholesale & retail | 2016 |
| Monssen Invest AS | Administrative & support | 2006 |
| Motoro AS | Wholesale & retail | 2026 |
| MTF Eiendom AS | Real estate | 2018 |
| Multi Vision AS | Professional & scientific | 2016 |
| Murmester Petter Pettersen AS | Construction | 1981 |
| My Money Grows AS | | 2023 |
| Myrseth Eiendomsutvikling AS | Real estate | 2016 |
| Møllen Invest AS | Real estate | 2017 |
| N.Bakka Invest AS | | 2020 |
| Nbf-Eiendom AS | Real estate | 2020 |
| ND Midco AS | Construction | 2023 |
| Nesttunveien 71&73 AS | Real estate | 2015 |
| Ngo Nails AS | Other services | 2023 |
| Nine Systems AS | Information & communication | 2025 |
| NKF Bygg AS | Real estate | 2004 |
| Nordahl Invest AS | Financial services | 2015 |
| Nordeidevegen Veilag SA | Real estate | 1940 |
| Nordhus Invest AS | Information & communication | 2023 |
| Nordic Holding AS | Administrative & support | 2021 |
| Norsk Sjøflytjeneste AS | Administrative & support | 2005 |
| Northern Curated AS | Professional & scientific | 2026 |
| Nub AS | Real estate | 2005 |
| Nyny Invest AS | | 2025 |
| Oakbridge AS | | 2026 |
| Oan AS | Professional & scientific | 2021 |
| Obsidian Produksjoner SA | Arts & recreation | 2021 |
| Ocean Eiendom AS | Real estate | 2017 |
| Odc Invest AS | Real estate | 2020 |
| Oddvin Hornnes Konsulentbyrå AS | | 2005 |
| Oeberge Invest AS | Real estate | 2012 |
| Oen AS | Construction | 1987 |