| Kjeseth Holding AS | Real estate | 1989 |
| KLB Invest AS | | 2024 |
| Kløve AS | Wholesale & retail | 2022 |
| Kolstien 2 AS | Real estate | 2023 |
| Kongsvik Holding AS | Education | 2017 |
| Koperniko AS | Information & communication | 2025 |
| Kraakenes AS | | 2025 |
| Krokeide Bunad- Og Tradisjonssaum Da | Manufacturing | 2007 |
| Krokeide Videregående Skole AS | Education | 1998 |
| Krokeidevegen 6 AS | Real estate | 1991 |
| Kråen Invest AS | Agriculture & fishing | 2005 |
| Kurt Hamre AS | Manufacturing | 1986 |
| Kurt Hamre Eiendom AS | Real estate | 2005 |
| Kurt Hamre Holding AS | Wholesale & retail | 1996 |
| Kurt Hamre Invest AS | Manufacturing | 2005 |
| Kuva AS | Professional & scientific | 2008 |
| KVH Consulting AS | Professional & scientific | 2024 |
| Kønig Design AS | Professional & scientific | 2016 |
| Lama Invest AS | Real estate | 1998 |
| Lar Ing Invest AS | Wholesale & retail | 1988 |
| Lars Hæve Invest AS | | 2021 |
| Lege Babar Mikael Rath Eide AS | Health & social care | 2026 |
| Lett Holding AS | | 2020 |
| Lettnett No Ans | Professional & scientific | 2000 |
| Li Vi Salongen Da | Other services | 1998 |
| Lille Fanafjellet Holding AS | | 2025 |
| LPD Invest AS | Real estate | 2007 |
| Ltbolstad Holding AS | | 2019 |
| Ludvig V Invest AS | Real estate | 2008 |
| Luna Capital AS | Professional & scientific | 2009 |
| Lysefjorden Consulting AS | Real estate | 2012 |
| Lysen AS | Construction | 2022 |
| Lysen Rørleggerservice AS | Construction | 2018 |
| Lysen Transport AS | Transport & logistics | 2023 |
| Låven Pub AS | Real estate | 2013 |
| M & B Management AS | Professional & scientific | 2008 |
| M & Ø Holding AS | Real estate | 2016 |
| Malerfirma Strømme AS | Construction | 2025 |
| Malvin AS | Professional & scientific | 2019 |
| Maran AS | Professional & scientific | 2006 |
| Marin-Innovasjon AS | Professional & scientific | 2005 |
| Marmog AS | | 2020 |
| Mau AS | | 2021 |
| Mccallister Holding AS | Transport & logistics | 2015 |
| Mediadropp AS | Arts & recreation | 2018 |
| Melvær Fysioterapi & Personlig Trening AS | Health & social care | 2014 |
| Memb Holding AS | Administrative & support | 2024 |
| Memb Service AS | Administrative & support | 2024 |
| Meråker Næringsbygg AS | Hospitality | 1994 |
| Mha Holding AS | Financial services | 2008 |
| Mie Wangsholm Holding AS | | 2025 |
| Mikal Tønjum Elektroservice AS | Construction | 1986 |
| Mikkelsen & Toft AS | | 2021 |
| Mint Holding AS | | 2025 |
| Miol Invest AS | Information & communication | 2023 |
| Mizt AS | | 2021 |
| Monmo AS | | 2024 |
| MSB Racing AS | Arts & recreation | 2026 |
| Nation Trade AS | Information & communication | 2024 |
| ND 21 Feste AS | Real estate | 2021 |
| Nikmo AS | Professional & scientific | 2022 |
| Nina Næss Regnskapstjenester AS | Professional & scientific | 2016 |
| NMT Loga AS | Health & social care | 2023 |
| Nordvik Invest AS | Real estate | 2014 |
| Norict AS | Information & communication | 2014 |
| Norpil AS | Professional & scientific | 2008 |
| Norsu Norwegian Rescue Survival Ans | Education | 2011 |
| Norvion AS | Professional & scientific | 2026 |
| Novus Kvadrat Nuf | Professional & scientific | 2014 |
| Nubben Ventures AS | | 2025 |
| Nybakk Consulting AS | Professional & scientific | 2018 |
| Nye Anita Midtun Legetjenester AS | Health & social care | 2026 |
| Nye Fana Snarkjøp AS | Wholesale & retail | 1999 |
| Ny-Hus AS | Construction | 1983 |
| Nødtvedt Marina AS | Real estate | 2012 |
| Oasen Holding AS | Financial services | 2005 |
| Odinova AS | Information & communication | 2026 |
| Onduty AS | | 2024 |
| Onyx AS | Professional & scientific | 1996 |
| Ostegården AS | Manufacturing | 2019 |
| Oyno AS | Professional & scientific | 2025 |
| P2028AS AS | Information & communication | 2020 |
| Papirhatt AS | | 2023 |
| Patrik Søreide Holding AS | Financial services | 2006 |
| Pennant AS | Professional & scientific | 2011 |
| Penor Consult AS | Professional & scientific | 1997 |
| Periculo AS | Administrative & support | 2012 |
| Petteringebrigtsen AS | Health & social care | 2015 |
| PG Consult AS | Professional & scientific | 2021 |
| Poppsy AS | Wholesale & retail | 2021 |
| Prime Source Consulting AS | Professional & scientific | 2026 |
| Productivo AS | Information & communication | 2023 |
| Projectconsult AS | Professional & scientific | 1974 |
| Purgat Holding AS | | 2024 |
| Quantelio AS | Information & communication | 2025 |
| Qumu Music AS | Information & communication | 2019 |
| R.B.O. Holding AS | Real estate | 2006 |
| Rabben Holding AS | Professional & scientific | 2017 |
| Rajo Takst AS | Professional & scientific | 2025 |
| Rasko Holding AS | | 2025 |