| Lasti Eiendom AS | Real estate | 2021 |
| Le Berthelsen Holding AS | Transport & logistics | 2019 |
| Lege Kristin Undheim Nuf | Health & social care | 2010 |
| Leinesveien 8-30 AS | Real estate | 2023 |
| Lekia Norge AS | Wholesale & retail | 2016 |
| Lekia Online AS | Wholesale & retail | 2018 |
| Leon Nathaniel AS | Information & communication | 2024 |
| Leverit AS | Real estate | 2020 |
| Lfi Holding AS | | 2021 |
| Libra Transport AS | Transport & logistics | 2023 |
| Lindani AS | Administrative & support | 2014 |
| Logoped Skovholt AS | Health & social care | 2019 |
| LP Bygg AS | Construction | 2011 |
| LP Tømrer Team AS | Construction | 2021 |
| Luckybag AS | Wholesale & retail | 2025 |
| Ludvigsen Transport AS | Transport & logistics | 2024 |
| Lumirox AS | Wholesale & retail | 2021 |
| Lund Eiendom AS | Real estate | 1998 |
| Lørenskog VVS AS | Construction | 1990 |
| Løsningsarkitekten AS | Information & communication | 2020 |
| Løvenstad Test Og Inspeksjon AS | Professional & scientific | 2024 |
| M Sundhagen Holding AS | | 2023 |
| Mab Holding AS | Arts & recreation | 2020 |
| Macademics Media AS | Arts & recreation | 2007 |
| Malian AS | Health & social care | 2017 |
| Manoma AS | Professional & scientific | 2022 |
| Mape Invest AS | | 2018 |
| Maral AS | Real estate | 2023 |
| Marikollen Klubbhus SA | Real estate | 1982 |
| Marikollen Torg Apotek AS | Wholesale & retail | 2021 |
| Marini Invest AS | Professional & scientific | 2023 |
| Meinich & Meinich AS | Real estate | 2011 |
| Meinich & Pàlmarsson AS | Real estate | 2016 |
| Melcom Invest AS | | 2019 |
| Melheim Gruppen AS | Real estate | 2015 |
| Melheim Invest AS | | 2019 |
| Mente AS | Information & communication | 2019 |
| Mgstangeland Invest AS | | 2023 |
| Milford Haven AS | Real estate | 2021 |
| Mitt Lille Frankrike AS | Administrative & support | 2017 |
| Mjøsen Aktiemølle AS | Financial services | 1994 |
| Moderne Bolig AS | Real estate | 2021 |
| Moma Ans | Transport & logistics | 1998 |
| Monic Yachting AS | Wholesale & retail | 1999 |
| Mooi Living AS | Professional & scientific | 2024 |
| Moss Pizzadrift AS | Hospitality | 2022 |
| Move Trafikkskole AS | Education | 2024 |
| MS Kapital AS | | 2026 |
| Multi Oppussing AS | Construction | 2009 |
| Muun Cosmetics AS | Wholesale & retail | 2024 |
| Mylk Holding AS | | 2025 |
| Naturstein Norge AS | Wholesale & retail | 2001 |
| Naw AS | | 2019 |
| Nedre Rælingsveg 433 AS | Real estate | 2020 |
| Niru Holding AS | | 2024 |
| Nitelva Invest AS | Real estate | 2014 |
| Nok AS | Financial services | 2013 |
| Norbins AS | Wholesale & retail | 2025 |
| Nordic Eiendomsutvikling AS | Real estate | 2017 |
| Nordic Luxe AS | Wholesale & retail | 2024 |
| Nordleads AS | Information & communication | 2026 |
| Nordlysveien 1-45 AS | Real estate | 2021 |
| Norgesdøra AS | Real estate | 2022 |
| Norsk Bygg Consult AS | Professional & scientific | 2016 |
| Norske 330 AS | Construction | 2015 |
| Norwegian Security Assist AS | Administrative & support | 2010 |
| Nova Dekor AS | Construction | 2024 |
| Novaris AS | Information & communication | 2025 |
| NS Service Plus AS | Construction | 2022 |
| Nurdent Invest AS | Wholesale & retail | 2018 |
| Nyhammer Invest AS | Financial services | 2015 |
| Oasis Ltd AS | Transport & logistics | 2024 |
| Odd H Jensen AS | Transport & logistics | 2023 |
| Oliviafoto AS | Professional & scientific | 2019 |
| Open Payments Europe AS | Administrative & support | 2024 |
| Opsaltunet AS | Real estate | 2022 |
| Optigrid AS | Information & communication | 2025 |
| Opulent Property Holding AS | Real estate | 2014 |
| Opulent Property Investors AS | Real estate | 2014 |
| Opulent Property Investors II AS | Real estate | 2016 |
| Orfjell Holding AS | Real estate | 2020 |
| Orooj Mahmood AS | Transport & logistics | 2016 |
| Oskanor AS | Professional & scientific | 2022 |
| Oslo & Akershus Svakstrøm AS | Construction | 2006 |
| Oslo Bad & Snekkeri AS | Construction | 2026 |
| Oslo Beauty Expo Da | Administrative & support | 2025 |
| Oslo Bofelleskap AS | Real estate | 2022 |
| Oslo Eiendomsutleieren AS | Real estate | 2023 |
| P&C Invest AS | Wholesale & retail | 2015 |
| PBS Signalco Nuf | Manufacturing | 2009 |
| Pearls AS | Professional & scientific | 2015 |
| Pekama Invest AS | Financial services | 2021 |
| Pensumhjelp AS | Information & communication | 2016 |
| Persen Invest AS | Professional & scientific | 2012 |
| PFR Invest AS | | 2026 |
| Piluri AS | Construction | 2026 |
| Pink by Utseende.No AS | Other services | 2023 |
| Pink by Utseende.No Lillehammer AS | Wholesale & retail | 2025 |
| Pink by Utseende.No Trondheim AS | Wholesale & retail | 2025 |
| PKP AS | Professional & scientific | 2019 |