| A&Y Holding AS | | 2025 |
| A.H Auto AS | Wholesale & retail | 2023 |
| A/S Pakk & Ilegg | Administrative & support | 1988 |
| Aa Traders AS | Wholesale & retail | 2025 |
| Aaa Eiendom AS | Real estate | 1961 |
| Adaptiv AS | Information & communication | 2026 |
| Adeel Holding AS | | 2023 |
| Af Medical Invest AS | Health & social care | 2016 |
| Afronordicai AS | Information & communication | 2024 |
| Agaton Da | Administrative & support | 2007 |
| Agco International GmbH | Wholesale & retail | 2008 |
| Agilera Pharma AS | Manufacturing | 2021 |
| Aik VVS AS | Construction | 2007 |
| Ak Bilsenter AS | Wholesale & retail | 2021 |
| Akershus Og Oslo Ved AS | Wholesale & retail | 2019 |
| Aksen Eiendom AS | | 2018 |
| Alk Invest Holding AS | | 2025 |
| Amedia Eastern Europe AS | Information & communication | 1998 |
| Amedia Russia AS | Manufacturing | 2006 |
| Amedia Tjenestesenter AS | Information & communication | 2000 |
| Amedia Trykk AS | Manufacturing | 2014 |
| Amedia Trykk Lillestrøm AS | Manufacturing | 1986 |
| Amedia Trykk Og Distribusjon AS | Transport & logistics | 2004 |
| Amswe Holding AS | | 2024 |
| Antonsen Rørleggerbedrift AS | Construction | 2003 |
| Aprh Holding AS | Real estate | 2013 |
| Arsuka AS | Health & social care | 2018 |
| Arsuka Eiendom AS | Real estate | 2022 |
| Asab Kapital AS | Real estate | 2021 |
| Askeladden Trafikk AS | Education | 2023 |
| Atka AS | Real estate | 1985 |
| Atlas Group AS | Transport & logistics | 2018 |
| Atm Invest AS | Professional & scientific | 2005 |
| Autobyte Diagnostic AS | Other services | 2024 |
| Autocar Kjeller AS | Wholesale & retail | 2025 |
| Autohandel AS | Wholesale & retail | 2022 |
| Awia AS | | 2023 |
| Axliser Invest AS | Information & communication | 2022 |
| Azza AS | Financial services | 2012 |
| B Accounting AS | Professional & scientific | 2025 |
| Baby Tek AS | Wholesale & retail | 2022 |
| Baller AS | Professional & scientific | 1997 |
| Bate Webdesign Da | Information & communication | 2001 |
| BCS Holding AS | | 2023 |
| Bekkevold Defense AS | Wholesale & retail | 2025 |
| Belinox Holding AS | Information & communication | 2021 |
| Bentzen Bud AS | Transport & logistics | 2017 |
| Berntsen AS | | 2025 |
| Beste Biler AS | Administrative & support | 2023 |
| BG Jord Og Maskin AS | Wholesale & retail | 2020 |
| BG Lillestrøm Holding AS | Real estate | 2011 |
| BHS Skade AS | Construction | 2017 |
| Bilteknisk AS | Professional & scientific | 2025 |
| Bjertnes AS | Real estate | 2001 |
| Bjørnestjerne Holding AS | | 2024 |
| Blomkvist Heli AS | Education | 2026 |
| Boligstart AS | Real estate | 2022 |
| Borakukuu AS | Transport & logistics | 2023 |
| Brady AS | Wholesale & retail | 1997 |
| Breed AS | Construction | 2005 |
| Breilo Holding AS | Financial services | 2015 |
| Brindabella AS | | 2022 |
| Bros Interactive AS | Information & communication | 2015 |
| Bruseveien 14A AS | Real estate | 2026 |
| Business System AS | Information & communication | 2021 |
| Bygg & Håndtverkservice AS | Construction | 2017 |
| Bygg-Team Romerike AS | Construction | 1997 |
| Calista Holding AS | Real estate | 2005 |
| CAR-4-YOU AS | Administrative & support | 2020 |
| Cielito AS | Hospitality | 2017 |
| Cloud Experts AS | Information & communication | 2021 |
| Complete Consulting AS | Professional & scientific | 2003 |
| Complete Eiendom AS | Real estate | 1996 |
| Complete Senterdrift AS | Real estate | 2008 |
| Concordiabygget AS | | 2025 |
| Condor Golf AS | Arts & recreation | 2026 |
| Consafe Logistics AS | Information & communication | 2005 |
| Contentment Helse AS | Health & social care | 2022 |
| Contentment Holding AS | Health & social care | 2019 |
| Contest AS | Real estate | 2005 |
| Coromatic AS | Professional & scientific | 1985 |
| Daniel Kristiansen Transport AS | Transport & logistics | 2024 |
| Data Rokade AS | Information & communication | 2024 |
| Den Bittelille Systua AS | Manufacturing | 2025 |
| Dga Invest AS | | 2021 |
| DP Iot AS | Manufacturing | 2019 |
| DS Gruppen AS | | 2019 |
| Dunseth Bilberging AS | Transport & logistics | 2013 |
| Dynamic Precision AS | Professional & scientific | 1998 |
| Dynamic Precision Norge AS | Manufacturing | 2000 |
| Dyretenner AS | Health & social care | 2022 |
| Eb Properties AS | Real estate | 2024 |
| Eb Properties II AS | Real estate | 2025 |
| Eb Riving Og Betongsaging AS | Construction | 2025 |
| Eb Utleie Holding AS | | 2025 |
| Eb Utleie II AS | Administrative & support | 2025 |
| Eco Response AS | Professional & scientific | 2013 |
| Edla AS | Professional & scientific | 1978 |
| Egrob Invest AS | | 2018 |
| Ehs AS | Administrative & support | 2016 |