| 100% Regnskap AS | Professional & scientific | 2019 |
| 3K Eiendom Norge AS | Real estate | 2017 |
| 7SENSES AS | Health & social care | 2026 |
| A.Marstein Holding AS | Information & communication | 2024 |
| Aarnebergbekken Vanningslag SA | Water & waste | 1977 |
| Advenio AS | Information & communication | 2010 |
| Aktiv Ventilasjon AS | Administrative & support | 2016 |
| Al Parfume AS | Wholesale & retail | 2025 |
| Al-Media AS | Wholesale & retail | 2012 |
| Alignyourlives AS | Health & social care | 2025 |
| All Byggservice AS | Professional & scientific | 2017 |
| All Byggservice Utleie AS | Administrative & support | 2023 |
| Altimur AS | Construction | 2016 |
| Alustål AS | Manufacturing | 1999 |
| Alustål Holding AS | Manufacturing | 2012 |
| Am Boligutvikling AS | Construction | 2019 |
| Amka Bygg AS | Real estate | 2020 |
| Amka Invest AS | Real estate | 2015 |
| Amka Næring AS | Real estate | 2020 |
| Amroth AS | Professional & scientific | 2015 |
| Andersen Bolig AS | Real estate | 2024 |
| Andersen Gartneri AS | Agriculture & fishing | 2009 |
| Ango Brønnboring AS | Construction | 1988 |
| Anleggsfrakt AS | Transport & logistics | 2021 |
| Art of Beauty Clinic AS | Health & social care | 2021 |
| Auto Globe Holding AS | | 2021 |
| Auto Spesialisten AS | Wholesale & retail | 1997 |
| Automatbilen AS | Wholesale & retail | 2008 |
| Autopartner Råde AS | Wholesale & retail | 2024 |
| Autotuning Import AS | Wholesale & retail | 2002 |
| Aw-Invest AS | Financial services | 2017 |
| Barock AS | Administrative & support | 2012 |
| BBB Start AS | Wholesale & retail | 2022 |
| Bekkevold Andersen Holding AS | | 2023 |
| Big Twin AS | Wholesale & retail | 2002 |
| Bilpartner Norge AS | Wholesale & retail | 2026 |
| Bitum Norge AS | Wholesale & retail | 2016 |
| Bjørkådamveien SA | Real estate | 1972 |
| Bjørn Myhra & Sønn Entreprenør AS | Construction | 2005 |
| Bjørn Svenne Arnesen AS | Construction | 2013 |
| Bjørnar Ruud AS | Professional & scientific | 2018 |
| Blackbear Accounting AS | Professional & scientific | 2022 |
| Blakkestad Andersen Rør AS | Construction | 2012 |
| Boligconsult AS | Real estate | 2007 |
| Boligconsult Takst AS | Real estate | 2022 |
| Bomfrie Biler AS | Wholesale & retail | 2003 |
| Borge Østre Holding AS | Construction | 2014 |
| Borrie Eiendom AS | Real estate | 2010 |
| Borrie Holding AS | Transport & logistics | 2023 |
| Borrie Løkenholtet AS | Real estate | 2025 |
| Borrie Transport AS | Transport & logistics | 2025 |
| BP Industrigass AS | Wholesale & retail | 2021 |
| BPN Holding AS | Wholesale & retail | 2021 |
| BR Arnesen AS | Construction | 2006 |
| Brass Tjenester AS | Construction | 2021 |
| Brattskott 3 AS | Real estate | 2026 |
| Brødr Olafsen & Co | Manufacturing | 1951 |
| BT Eiendom AS | Real estate | 2019 |
| Bud Og Vare 24 Direkte AS | Transport & logistics | 2023 |
| Burns-Thomson Holdings AS | Real estate | 1996 |
| Busspart Norge AS | Wholesale & retail | 2016 |
| Busspart Service AS | Other services | 2023 |
| Busspart Utleie AS | Administrative & support | 2024 |
| Bye Investments AS | | 2021 |
| Bygg Og Vedlikeholdservice AS | Construction | 2021 |
| Byggmester Daniel Nielsen & Co AS | Construction | 2017 |
| Byggmester Lasse Stene AS | Construction | 2024 |
| C&C Eiendom AS | Construction | 2023 |
| C-Nor Holding AS | | 2023 |
| Carano Investment AS | Real estate | 2021 |
| Co Prosjekt AS | | 2021 |
| Coates Elektro AS | Wholesale & retail | 2022 |
| Consem Entreprenør AS | Construction | 2004 |
| Containerlager AS | Administrative & support | 2013 |
| D Lille Xtra Da | Wholesale & retail | 2006 |
| Dag E. Juliussen Byggmester Takst Og Eiendom AS | Real estate | 2020 |
| Danfo AS | Wholesale & retail | 1984 |
| Dbo AS | | 2025 |
| Den Lille Garnbutikken AS | Wholesale & retail | 2019 |
| Dennis Hardy Holding AS | | 2023 |
| Diagen AS | Wholesale & retail | 2004 |
| Diagen Bygg AS | Construction | 2016 |
| Diagen Entreprenør AS | | 2026 |
| Diagen International Inc. AS | Wholesale & retail | 2005 |
| Digibygg AS | Information & communication | 2022 |
| Dlnd Group AS | Information & communication | 2026 |
| Driftsteknikk AS | Construction | 2002 |
| Duon Ans | Other services | 1993 |
| Duro Holding AS | | 2025 |
| Dyrebutikken I Råde AS | Wholesale & retail | 2019 |
| E-Car Norge AS | Wholesale & retail | 2024 |
| Ea Balance Holding AS | Arts & recreation | 2019 |
| Edge Norge AS | Wholesale & retail | 2021 |
| Egil Nicolaysen Maskin AS | Administrative & support | 1985 |
| Egil Nicolaysen Transport AS | Transport & logistics | 2017 |
| Einer V2 AS | Professional & scientific | 2022 |
| Ekeberg Transport AS | Transport & logistics | 2019 |
| Elso Invest AS | | 2025 |
| Elspecialisten X3MSELLER | Wholesale & retail | 2008 |
| Emanuel Trading AS | Wholesale & retail | 2016 |