| 100% Holding AS | | 2023 |
| 3D Prod AS | Information & communication | 2015 |
| A Nylund Holding AS | Wholesale & retail | 2007 |
| A. Bergh Invest AS | Real estate | 2021 |
| A. Egeland Holding AS | | 2024 |
| A.G Systemer AS | Professional & scientific | 2026 |
| A.Tjelta Maskin AS | Construction | 2017 |
| Aamlid & Co AS | Construction | 2025 |
| Aan Invest AS | | 2020 |
| Abri Dialogue AS | Health & social care | 2005 |
| Abstreker AS | Information & communication | 2012 |
| Acme Buss AS | Transport & logistics | 2009 |
| Ad Hoc Invest AS | Financial services | 2016 |
| Aec Prefab AS | Professional & scientific | 2021 |
| Aero Norway AS | Manufacturing | 2012 |
| Afro Cuisine AS | Hospitality | 2025 |
| Agrix AS | Real estate | 2026 |
| Ah Voll AS | Wholesale & retail | 2018 |
| Airadvantage AS | Wholesale & retail | 2014 |
| Aircontact Services AS | Professional & scientific | 1971 |
| Akt Consult AS | Information & communication | 2020 |
| Albatross Services AS | Manufacturing | 2006 |
| Aldae International AS | Wholesale & retail | 2024 |
| Alfagrønn AS | Transport & logistics | 2022 |
| Alliance Optikk Sola AS | Wholesale & retail | 2004 |
| Almer AS | Real estate | 1997 |
| Alpax AB Filial Av Utenlandsk Foretak Nuf | Mining & quarrying | 1997 |
| Alustar AS | Manufacturing | 1994 |
| Alvings AS | | 2025 |
| Am Rose AS | Wholesale & retail | 2015 |
| Amdal AS | Real estate | 2013 |
| Amsi Holding AS | Real estate | 2004 |
| Andrews Invest AS | | 2025 |
| Ang Holding AS | Real estate | 2005 |
| Anintanin Holding AS | | 2025 |
| Apex Motorsport AS | Wholesale & retail | 2022 |
| Apirs AS | Information & communication | 2023 |
| Arabergvegen Eiendom AS | Real estate | 1995 |
| Aratron Hydraulikk AS | Wholesale & retail | 1997 |
| Arctic Spas Marketing Norway Da | Professional & scientific | 2009 |
| Arholm Eiendom AS | Real estate | 2005 |
| Aricon Norge Da | Wholesale & retail | 2004 |
| Arkanor AS | Professional & scientific | 2025 |
| Arne Byberg AS | Construction | 1979 |
| Arne Byberg Holding Sola AS | Construction | 2013 |
| Arne Hellestø AS | Real estate | 1996 |
| Arne Inge Pedersen Transportforretning AS | Transport & logistics | 2012 |
| Arol Invest AS | Professional & scientific | 2021 |
| Arv Energy AS | Professional & scientific | 2025 |
| AS Intra Fond Invest | Real estate | 1990 |
| AS PSL Investering | | 2023 |
| Aspect Scandinavia AS | Wholesale & retail | 2018 |
| At-Joa Invest AS | Mining & quarrying | 2017 |
| Ato Consulting AS | Professional & scientific | 2022 |
| Attitude Aviation AS | Education | 2014 |
| Atus Smarthus AS | Wholesale & retail | 2015 |
| Auge Group AS | Professional & scientific | 2023 |
| Austerheim Eiendom Da | Real estate | 2007 |
| Auto Finans AS | Administrative & support | 1987 |
| Autogarage AS | Wholesale & retail | 2003 |
| Autoleie Vest AS | Administrative & support | 1995 |
| Aveva Solutions Limited | Information & communication | 2015 |
| Aviation Logistics AS | Transport & logistics | 2015 |
| Avjea AS | Financial services | 2020 |
| Awayzing Travel AS | Administrative & support | 2022 |
| Awhl Holding AS | Health & social care | 2023 |
| B Holstad Holding AS | Real estate | 2024 |
| B&H Invest AS | | 2021 |
| B.S. Eiendomsutvikling AS | Real estate | 2005 |
| B2B Frakt AS | Transport & logistics | 2026 |
| Baal Konsult AS | Professional & scientific | 2017 |
| Balanz Sola AS | Arts & recreation | 2022 |
| Basseng & Utstyr AS | Wholesale & retail | 2019 |
| Bedriftshelsetjenesten Forebygg Skade AS | Health & social care | 2002 |
| Beltlamp AS | Wholesale & retail | 2017 |
| Bergevik Panorama AS | Real estate | 2009 |
| Bergrev AS | | 2020 |
| Bergtor Investering AS | Real estate | 2016 |
| Berland Investering AS | | 2025 |
| Berntzen Maskin AS | Construction | 2026 |
| Bhg-Holding AS | | 2022 |
| Bilconcept AS | Wholesale & retail | 2018 |
| Bilge AS | Information & communication | 2023 |
| Bilpaviljongen AS | Wholesale & retail | 1983 |
| Bis Invest AS | | 2021 |
| Bitinvest AS | | 2021 |
| Bitinvest Holding AS | | 2023 |
| Blessben AS | Transport & logistics | 2024 |
| Blinkskudd AS | Professional & scientific | 2011 |
| Blomstergården Sola AS | Wholesale & retail | 2011 |
| Blue Jay AS | Real estate | 2016 |
| Bluetence Limited Nuf | Information & communication | 2006 |
| Bohne Holding AS | | 2019 |
| Boligbruk AS | Real estate | 2014 |
| Boma AS | Real estate | 2022 |
| BR. a. Investering AS | Real estate | 2006 |
| Bratteteig Holding AS | | 2022 |
| Bristow Norway AS | Transport & logistics | 1993 |
| Bristow Technical Services Limited | Wholesale & retail | 2009 |
| Brustadbua Sola AS | Wholesale & retail | 2019 |