| 2048 Relax AS | Professional & scientific | 2025 |
| 2226 Eiendom AS | | 2019 |
| 7 BGN AS | | 2008 |
| 7 Fjell AS | Administrative & support | 2008 |
| 7 Fjell Boligstyling AS | Professional & scientific | 2020 |
| 7 Fjell Styling AS | Professional & scientific | 2021 |
| A-H-E Eiendomsutvikling AS | Real estate | 2009 |
| A. Beyer Eiendom AS | Real estate | 2003 |
| A. Nygaard AS | Administrative & support | 2024 |
| A.Kårstad AS | | 2024 |
| A.N Consulting AS | Construction | 2012 |
| Aadland Invest AS | Professional & scientific | 2005 |
| Aakre Eiendom AS | Real estate | 2003 |
| Aasa Holding AS | Professional & scientific | 2021 |
| Abho Eiendom AS | Real estate | 2016 |
| Abho Invest AS | Financial services | 2018 |
| Abo AS | Financial services | 1975 |
| Accurize AS | Information & communication | 2014 |
| Achristians AS | | 2024 |
| Actios AS | Professional & scientific | 2015 |
| AD3 Invest AS | | 2020 |
| Adaugeo 2 AS | | 2023 |
| Adelan AS | Information & communication | 2023 |
| Adept Consulting AS | Information & communication | 2024 |
| Administrator AS | Financial services | 2009 |
| Adoc AS | | 2019 |
| Adt Invest AS | | 2018 |
| Advokat Harald S. Kobbe AS | Professional & scientific | 2019 |
| Aequus AS | | 2022 |
| Aergy AS | Professional & scientific | 2022 |
| AG Høvik Holding AS | | 2025 |
| Ah Holding AS | Professional & scientific | 2005 |
| Airzens Norge AS | Wholesale & retail | 2022 |
| AK2 Holding AS | | 2021 |
| Ake Utvikling AS | | 2021 |
| Akkord AS | | 2026 |
| Akoi AS | Professional & scientific | 2016 |
| Akoi Holding AS | | 2016 |
| AKSC3 AS | | 2022 |
| Aksnessæther Logistikk AS | Transport & logistics | 1993 |
| Aktiv Fotklinikk Nuf | Health & social care | 2008 |
| Aktiv Laguneparken AS | Real estate | 2020 |
| Akvarieutstyr Da | Wholesale & retail | 2007 |
| Al Eiendomsutvikling AS | Real estate | 2025 |
| Ala Solutleie Da | Arts & recreation | 1989 |
| Alba Care AS | Information & communication | 2026 |
| Aleksaya Invest AS | | 2025 |
| Alexander Bull AS | Real estate | 2020 |
| Alfheimar AS | Professional & scientific | 2021 |
| Alfred H Holding AS | Financial services | 2005 |
| Allegaten 1 AS | Real estate | 1998 |
| Allynode AS | Information & communication | 2025 |
| Alpaca World AS | Professional & scientific | 2019 |
| Alpetur AS | Administrative & support | 2025 |
| Alræk Akupunktur AS | Health & social care | 2019 |
| Alvestad Holding AS | | 2026 |
| Alvestad Medisin AS | Health & social care | 2026 |
| Ams Allmennmedisinsk Senter Da | Health & social care | 2002 |
| Amundsen Brands AS | Wholesale & retail | 2006 |
| Amundsen Spesial Rådal AS | Wholesale & retail | 2018 |
| Anage AS | Real estate | 2020 |
| Andersson Invest AS | Professional & scientific | 2003 |
| Andnor Invest AS | | 2026 |
| Anettes Salong AS | Other services | 2011 |
| Anma Eiendom AS | Real estate | 2025 |
| Annamor AS | Wholesale & retail | 2017 |
| Anne-Lise Grønvold AS | Information & communication | 2000 |
| Anniken Johnsen Holding AS | | 2019 |
| Anourak AS | Professional & scientific | 2019 |
| Ansolo Holding AS | | 2026 |
| Aparte Eventbyrå AS | Administrative & support | 2024 |
| Ape Og Bananfrakt AS | | 2021 |
| Apeltun Holding AS | | 2025 |
| Apeltun Invest AS | | 2021 |
| Apeltunneset Huseierlag SA | Water & waste | 2016 |
| Arbitrasje Kapital AS | Financial services | 2017 |
| Arborea-Olli AS | Health & social care | 2018 |
| Arctic Spas Vest AS | Wholesale & retail | 2012 |
| Ardens Holding AS | | 2025 |
| Areal Bygg-Taksering AS | Real estate | 2014 |
| Arena Akustikk Da | Administrative & support | 2002 |
| Arese AS | Financial services | 2008 |
| Argeia Holding AS | | 2026 |
| Arild Solheim Fysioterapi AS | Health & social care | 2013 |
| Arios AS | Construction | 2007 |
| Arkitektkontoret Ulf Røstøen AS | Professional & scientific | 1985 |
| Arna Tomteselskap AS | Real estate | 2005 |
| ARNES1 Holding AS | | 2025 |
| Arrangøren AS | Administrative & support | 2014 |
| AS Bergens Merkantile Bureau | Professional & scientific | 1990 |
| AS Christian Michelsensgt 9 | Real estate | 1930 |
| AS Enhjørningsgården | Real estate | 1918 |
| AS Hjelme VVS | Construction | 2022 |
| AS Irsa | Real estate | 1947 |
| AS Nefa | Wholesale & retail | 1981 |
| AS Nordåsdalen 10 | Real estate | 1985 |
| Asmart AS | | 2021 |
| Asti Holding AS | | 2021 |
| At Charlsen Invest AS | Financial services | 2007 |
| Atd Renhold AS | Administrative & support | 2020 |