| 3TEK Da | Manufacturing | 2008 |
| Aea Invest AS | | 2026 |
| Airotciv AS | | 2024 |
| Alltid På Tur AS | Wholesale & retail | 2021 |
| Alphas AS | Manufacturing | 2013 |
| Aquanova AS | Wholesale & retail | 2013 |
| Arin AS | Professional & scientific | 1980 |
| Art Matters AS | Professional & scientific | 2005 |
| Astro Ventilasjon AS | Construction | 2026 |
| Autos AS | Wholesale & retail | 2016 |
| Ballerud Hagemøbler AS | Professional & scientific | 2014 |
| Barbroveien AS | Real estate | 2004 |
| Bjørka AS | Real estate | 1997 |
| Brugsjordet 1 AS | Real estate | 2020 |
| Bygda Bygg AS | Construction | 2014 |
| Bygge Pladsen Snekkerservice AS | Construction | 2023 |
| Bøhn AS | Agriculture & fishing | 2019 |
| Bøhn Snøservice AS | Administrative & support | 2026 |
| Carl Platous Gate 2 AS | Real estate | 2018 |
| Cepheid Norway AS | Professional & scientific | 2021 |
| Ctech AS | Manufacturing | 2024 |
| Cytiva Europe GmbH Nuf | Wholesale & retail | 1995 |
| Dalby Service AS | Administrative & support | 2015 |
| Dokken AS | Wholesale & retail | 2022 |
| Dreambygg AS | Construction | 2017 |
| Earx Holding AS | Real estate | 2017 |
| Ekstramannen AS | Construction | 2025 |
| El-Agenturer AS | Wholesale & retail | 2015 |
| Emil Skaug & Sønn AS | Construction | 2006 |
| Feelgood Tyristrand AS | Other services | 2019 |
| Finnerud Eiendom AS | Real estate | 2007 |
| Forlaget Mystica Eterna AS | Information & communication | 2025 |
| Fossaas AS | Health & social care | 2015 |
| Fossum AS | Construction | 1991 |
| Fossum Og Sandum AS | Construction | 2006 |
| FP Bygg Service AS | Construction | 2022 |
| Frydenhaug Invest AS | | 2021 |
| Færden Invest AS | Real estate | 2021 |
| Gartner Jan AS | Administrative & support | 2015 |
| Gaustadnes Holding AS | Financial services | 2018 |
| Gravermoen Klima AS | Construction | 2018 |
| Grønt Gress AS | Financial services | 2006 |
| Gunnar Faale Holding AS | | 1991 |
| H Semmen Holding AS | | 2023 |
| Habaneras Holding AS | Wholesale & retail | 2014 |
| Hakri AS | Real estate | 2012 |
| Haug Mur Og Betong AS | Construction | 2023 |
| Haug Products AS | Professional & scientific | 2026 |
| Henvig Holding AS | | 2024 |
| HHT Tom J Ltd Nuf | | 2025 |
| Hollerud Boligtomter AS | Real estate | 2018 |
| Honningsmia AS | Agriculture & fishing | 2025 |
| Hosto AS | Construction | 2022 |
| Hovin Eiendom AS | Manufacturing | 2010 |
| Hovin Laft AS | Construction | 2012 |
| Hvalsmoen Omsorgspark AS | Real estate | 2026 |
| Høna Holding AS | | 2025 |
| INTERIOR123.COM AS | Wholesale & retail | 2015 |
| Itech AS | Professional & scientific | 1986 |
| Ito Eiendom AS | Real estate | 2014 |
| Ito Produksjon AS | Manufacturing | 1991 |
| Ivan Fossum Holding AS | Financial services | 2005 |
| Ivra AS | | 2025 |
| Jonassen Group AS | | 2023 |
| Just Blocks AS | Wholesale & retail | 2019 |
| Juul Håndverk AS | Construction | 2012 |
| Juul Prosjekt AS | Construction | 2022 |
| Katfos Holding AS | Manufacturing | 2005 |
| Ketil Kind Trelakkering AS | Manufacturing | 2024 |
| Kindsviken Brygge SA | Real estate | 1984 |
| Klima-Trond AS | Construction | 2018 |
| Krogstad Og Myhra AS | Manufacturing | 2023 |
| Kruseinvest AS | | 2017 |
| Kuli Ringerike AS | Construction | 2023 |
| Lagopus Mutus Trading AS | Real estate | 2005 |
| Liaseter AS | Real estate | 2012 |
| Lilleseterveien SA | Real estate | 1955 |
| Linella Servietter AS | Manufacturing | 2009 |
| Linenga Entreprenør AS | Administrative & support | 2021 |
| Lokenmoen Invest AS | Professional & scientific | 2012 |
| Lorecco AS | Wholesale & retail | 2021 |
| Lorecco Recycling AS | Wholesale & retail | 2020 |
| Lykkeliten Familiebarnehage Ans | Education | 1999 |
| Løkenåsen AS | Real estate | 2021 |
| M.R Transport Invest | | 2023 |
| M.R Transport Nuf | Transport & logistics | 2023 |
| Mali Invest AS | Financial services | 2005 |
| Merri Holding AS | Construction | 2024 |
| MHC Consult AS | Professional & scientific | 2021 |
| Modum Glassindustri Holding AS | | 2026 |
| Molid Invest AS | Real estate | 2020 |
| MR. Island AS | | 2020 |
| Mtex AS | Professional & scientific | 2017 |
| Nakkerud Rørservice AS | Construction | 2022 |
| Nordgården Eiendom AS | Real estate | 2021 |
| Nordre Hollerud Graveservice AS | Construction | 2024 |
| Norgeshus Ringerike AS | Real estate | 2023 |
| Norhed Eiendom Tyristrand AS | Real estate | 2013 |
| Norsk Verdi AS | Professional & scientific | 2024 |
| Novolynx AS | Professional & scientific | 2025 |