| J. R. Convenience AS | Wholesale & retail | 2022 |
| Ja Bygg AS | | 2021 |
| Jaaa Holding AS | | 2025 |
| Jameko Holding AS | Financial services | 2016 |
| Jan I Bygg AS | Construction | 2021 |
| Javanode AS | Information & communication | 2020 |
| JCW Associates AS | Education | 2024 |
| Jebe SA | Professional & scientific | 2012 |
| Jensen Tømmerdal AS | Transport & logistics | 2017 |
| Jeto Eiendom AS | Real estate | 2019 |
| Jetpower Norge AS | Wholesale & retail | 2013 |
| Jey Deco AS | Arts & recreation | 2026 |
| JK Byggservice AS | Construction | 2017 |
| Jonas Grøndahl Transport AS | Transport & logistics | 2024 |
| Jsbs AS | Real estate | 2017 |
| Jurk Service AB Nuf | Professional & scientific | 2026 |
| Jøndal Gårdsbutikk AS | Manufacturing | 2015 |
| K-K Holding AS | | 2022 |
| Kaci AS | | 2020 |
| Kafè Blå AS | Hospitality | 2024 |
| Kamè AS | Wholesale & retail | 2006 |
| Kapilano Systems AS | Information & communication | 2026 |
| KGH AS | | 2026 |
| Kimz Holding AS | | 2025 |
| Kindlien Invest AS | | 2023 |
| Kjell Arne Bekken AS | | 2015 |
| Klimanova Invest AS | | 2026 |
| Klinikk Hello Helse AS | Health & social care | 2024 |
| Knapkøyen Holding AS | Construction | 2005 |
| Knausen Fus Barnehage AS | Education | 2019 |
| Knutsen Utemiljø AS | Agriculture & fishing | 2016 |
| Kokooo AS | Wholesale & retail | 2016 |
| Kram Snø Eiendom AS | Real estate | 2025 |
| Kristines Gofot AS | Health & social care | 2016 |
| Krogsrud Sag AS | Agriculture & fishing | 1979 |
| Krok Og Landbruk AS | Transport & logistics | 2015 |
| Kvedalsvegen Rømdalsvegen Ba | Real estate | 1946 |
| Kvehaugen Bygg AS | Construction | 1996 |
| Langmoen Gruppen AS | Real estate | 2016 |
| Lars Rogstad Consult AS | Information & communication | 2025 |
| LEAD2IT Holding AS | Professional & scientific | 2020 |
| Leif Tomren Holding AS | | 2005 |
| Leto Eiendom AS | Real estate | 1978 |
| Lille Barolo AS | Hospitality | 2014 |
| Lille Lotus Yoga AS | Education | 2022 |
| Lillehammer Turisthotell AS | Real estate | 1969 |
| Limi Ved Og Bolig Service AS | Wholesale & retail | 2016 |
| Lirio Holding AS | Construction | 2022 |
| Liveyourdream AS | Professional & scientific | 2019 |
| Loftet Gardsbutikk AS | Hospitality | 2020 |
| Loftet Holding AS | Hospitality | 2020 |
| Logovis | Health & social care | 2017 |
| Lovely Planet AS | Wholesale & retail | 2010 |
| Maba Eiendomsservice AS | Administrative & support | 2022 |
| Macahilig Verge AS | Other services | 2025 |
| Machinet AS | Information & communication | 2023 |
| Manuellterapeut Erkki Lintorp AS | Health & social care | 2012 |
| Martin Johnsen Holding AS | Information & communication | 2013 |
| Melilot AS | Arts & recreation | 2023 |
| MHM Partners AS | Transport & logistics | 2024 |
| Mildtangen AS | | 2021 |
| Mind-Set-Go AS | Education | 2025 |
| Minne Eiendom AS | Real estate | 2022 |
| Minne Holding AS | Real estate | 2022 |
| Minneregn III SA | Agriculture & fishing | 1977 |
| ML Auto AS | Wholesale & retail | 2013 |
| Mobakk AS | Construction | 1986 |
| Modell K9 Equipment AS | Wholesale & retail | 2021 |
| Moelven List AS | Manufacturing | 1989 |
| Moen Consulting AS | Information & communication | 2018 |
| Molin Eiendom AS | Real estate | 2020 |
| Morten Nyberg Eiendom AS | Real estate | 2014 |
| Morten Nyberg Graving Og Transport AS | Construction | 2012 |
| Mostue Transportservice AS | Water & waste | 2016 |
| Move Forward Holding AS | Wholesale & retail | 2024 |
| Muffins AS | Wholesale & retail | 2010 |
| Murer Audun Fredriksen AS | Construction | 2011 |
| MV Byggservice AS | Construction | 2019 |
| Mybest AS | Wholesale & retail | 2025 |
| Mylicense AS | Education | 2022 |
| Møkleby Anlegg AS | Construction | 2024 |
| Nail Flow AS | Other services | 2025 |
| Nenkin Technologies AS | Information & communication | 2025 |
| Nes Eiendom AS | Real estate | 1986 |
| Nesvaag Arkitektur AS | Professional & scientific | 2023 |
| Nesvaag Invest AS | Professional & scientific | 2020 |
| Nettvakt AS | Information & communication | 2017 |
| Niko Multiservice AS | Wholesale & retail | 2024 |
| Nomf AS | | 2024 |
| Norano-Alf Gunstrøm AS | Manufacturing | 1946 |
| Norcomp Holding AS | | 2016 |
| Nordic Pilates Studio AS | Arts & recreation | 2026 |
| Nordic Tak & Bygg AS | Construction | 2025 |
| Nordlys Elektro Og Automasjon AS | Construction | 2026 |
| Norgani Eiendom Bodø AS | Real estate | 2007 |
| Norgani Fagernes Turisthotell AS | Real estate | 1964 |
| Norgani Hamnneset Hotell AS | Real estate | 2017 |
| Norgani Hotell Bastionen AS | Real estate | 1980 |
| Norgani Hotell Bergen Airport AS | Real estate | 1969 |
| Norgani Hotell Bergen AS | Real estate | 1993 |