| Holtar Medical Invest AS | | 2021 |
| Horner Holding AS | | 2021 |
| Hotshotknicks Holding AS | | 2019 |
| Humanoid Gruppen AS | Information & communication | 2026 |
| Humanoid Norge AS | Information & communication | 2025 |
| Ibcon AS | Professional & scientific | 2018 |
| Infx Nuf | Information & communication | 2006 |
| International Contract Engineering AS | Professional & scientific | 2002 |
| Inveno AS | Professional & scientific | 2017 |
| Inwave AS | Real estate | 2017 |
| Irl Holding AS | Professional & scientific | 2021 |
| Isin Insight AS | Information & communication | 2025 |
| J&W Mat AS | Wholesale & retail | 2017 |
| J. Seem AS | | 2026 |
| Jamir Miroslaw Jankowski | Construction | 2007 |
| JM Consulting AS | Professional & scientific | 2024 |
| Jordmorpodden AS | Information & communication | 2022 |
| K-Team AS | Professional & scientific | 1995 |
| Kaupang AS | Financial services | 1998 |
| KC Consulting AS | Information & communication | 2021 |
| Kelsey Services AS | Administrative & support | 1991 |
| Kes 225 Holding AS | | 2023 |
| Key Performance Search & Selection AS | Professional & scientific | 2004 |
| Kolsås Elektro Og Varme AS | Construction | 2013 |
| Kolsås Frisør Ans | Other services | 1981 |
| Kolsås Frisør AS | Other services | 1991 |
| Kolsås Frukt Og Grønt AS | Wholesale & retail | 2018 |
| Kolsås Kafe Og Restaurant AS | Hospitality | 2026 |
| Kolsås Kebab AS | Hospitality | 2019 |
| Komet Invest AS | Real estate | 2009 |
| Kompetanseakademiet Ans | Education | 1999 |
| Langeflyt AS | Financial services | 2011 |
| Lathans AS | | 2021 |
| Lien 36 AS | Real estate | 2022 |
| Lien 38 AS | Real estate | 2022 |
| Lien 40 AS | Real estate | 2020 |
| Lime Nordic AS | Wholesale & retail | 2015 |
| Lisethøgda Vannlag | Water & waste | 2004 |
| Livvest AS | Professional & scientific | 2018 |
| Lotteenka AS | Professional & scientific | 2019 |
| Lotus Sushi AS | Hospitality | 2015 |
| Lumiko Holding AS | | 2026 |
| Lundebygg AS | Construction | 1998 |
| Lunderby Invest AS | Real estate | 2015 |
| Lundgreen Holding AS | Professional & scientific | 2010 |
| Løkkafossen AS | Real estate | 1985 |
| M Pettersen AS | Construction | 2016 |
| M-Y Holding AS | | 2017 |
| Made by Norvis AS | Wholesale & retail | 2025 |
| Malmskrivergården AS | | 2017 |
| Mams AS | | 2025 |
| Maronor AS | | 2024 |
| Marum Trafikkskole AS | Education | 2015 |
| Masterplan AS | Information & communication | 2000 |
| Matoka AS | Professional & scientific | 2013 |
| MB Holdings AS | Professional & scientific | 2022 |
| Medek AS | Real estate | 1990 |
| Mentoring AS | Information & communication | 1996 |
| Mepo AS | Wholesale & retail | 1997 |
| Midtstuen AS | Real estate | 2013 |
| MJG Holding AS | | 2024 |
| MM 143 Holding AS | | 2023 |
| Navine Invest AS | | 2018 |
| Negotiorum Gestio AS | Professional & scientific | 2023 |
| Net Zero Holding AS | | 2025 |
| Nma Invest AS | Real estate | 1988 |
| Nordbotten Consulting AS | Information & communication | 2007 |
| Norwegian Omega 3 AS | Wholesale & retail | 2019 |
| Nova Solskjerming AS | Construction | 2026 |
| Nybski AS | Construction | 2009 |
| O. P. Risøe Eiendom AS | Real estate | 1998 |
| Omega Holdingselskap AS | | 2014 |
| Optima Growth Partners AS | Professional & scientific | 2023 |
| Otterstig Handel AS | Real estate | 2005 |
| Oval AS | Real estate | 2017 |
| Pei 516 Holding AS | | 2023 |
| Peisbutikken AS | Wholesale & retail | 2018 |
| Peishuset AS | Wholesale & retail | 2006 |
| Peisindustri AS | Construction | 2022 |
| Per Andersens Bilverksted AS | Other services | 1992 |
| Petter Nyquist Productions AS | Information & communication | 2013 |
| Pipekompaniet AS | Construction | 2019 |
| Piraia AS | Professional & scientific | 2008 |
| Pivo Invest AS | | 2023 |
| Pommerenk AS | Professional & scientific | 2022 |
| Practico AS | Wholesale & retail | 2014 |
| QWR AS | Transport & logistics | 2024 |
| Rahmian AS | | 2024 |
| Reinvest Holding AS | Financial services | 2015 |
| Resivon AS | | 2025 |
| Rigeo AS | Professional & scientific | 2018 |
| Rillro AS | | 2019 |
| Risch Holding AS | Financial services | 2014 |
| Rnvh AS | | 2025 |
| Rostrup AS | | 2020 |
| Rødal Rypdal Invest Ans | Financial services | 2004 |
| S.A Golv & Snickeri AB | Construction | 2012 |
| Sample & Hold AS | Information & communication | 2024 |
| Samvirkeforetaket Kolsåsgarasjene SA | Real estate | 1958 |
| Sandan & Co AS | Wholesale & retail | 2023 |