| 3D Klo AS | Professional & scientific | 2016 |
| 4083 Invest AS | Information & communication | 2020 |
| A&G Holding AS | | 2025 |
| A. Madland Reparasjonsservice AS | Manufacturing | 2025 |
| Aba Holding AS | | 2005 |
| Abelhus AS | Construction | 2005 |
| Abg Consult AS | Professional & scientific | 2020 |
| Abg Eiendom AS | Real estate | 2006 |
| Acf Invest AS | | 2023 |
| Adventure of a Lifetime AS | Arts & recreation | 2017 |
| Affordanser AS | Professional & scientific | 2009 |
| Agentas AS | Professional & scientific | 2023 |
| Agilas Engineering AS | Professional & scientific | 2020 |
| Agnatio AS | | 2020 |
| Aimtila AS | Professional & scientific | 2020 |
| Ainas Invest AS | Administrative & support | 2022 |
| Aj Eiendomsutvikling AS | Real estate | 2006 |
| Ajmkos AS | | 2020 |
| Akila Norge AS | Professional & scientific | 2022 |
| Amap AS | | 2017 |
| Amazoon AS | Wholesale & retail | 1987 |
| Amberium AS | Other services | 2005 |
| Ambiente Investering AS | Real estate | 2005 |
| Ameta Consulting AS | Professional & scientific | 2011 |
| Aminsi Holding AS | | 2022 |
| Amjo Invest AS | Professional & scientific | 2023 |
| Ammi AS | | 2006 |
| Angell Invest AS | Professional & scientific | 2010 |
| Anka Partner AS | Financial services | 2005 |
| Antigua Eiendom AS | Real estate | 2021 |
| Antigua Finans AS | | 2023 |
| Aqua Båtservice AS | Manufacturing | 2019 |
| Aquascape Norge AS | Professional & scientific | 2021 |
| Aquinor AS | | 2022 |
| Ar Automated Da | Professional & scientific | 2025 |
| Arbabi Holding AS | | 2026 |
| Arc Bygg Service AS | Construction | 2024 |
| Arcani AS | Health & social care | 2025 |
| Arctic Spiseri Avd. Hundvåg AS | Hospitality | 2021 |
| Ary Invest AS | Professional & scientific | 2017 |
| AS Auglendsdalen 80 | Real estate | 1981 |
| Atconsult AS | Education | 2026 |
| Atle Gulliksen AS | Construction | 2012 |
| Atrium AS | Real estate | 1993 |
| Atsva Holding AS | | 2026 |
| Auglend Prosjektledelse AS | Professional & scientific | 2025 |
| Aui Bygg AS | Construction | 2024 |
| Austbø Lagerhotel AS | Real estate | 2022 |
| Austbøgeilen Eiendom AS | Real estate | 1991 |
| Awerly AS | Information & communication | 2026 |
| Axura Bygg Tjenester AS | Administrative & support | 2025 |
| Axura Group AS | | 2025 |
| B - Engø Invest AS | Education | 2018 |
| B&R Stitching & Sport AS | Wholesale & retail | 2026 |
| B8SON AS | Professional & scientific | 2018 |
| Baderomspesialisten AS | Construction | 2000 |
| Badetassen Holding AS | | 2022 |
| Balder Investering AS | | 2025 |
| Baloo Holding AS | Information & communication | 2025 |
| Base Trade AS | Professional & scientific | 1997 |
| Baya Utleie AS | Administrative & support | 2026 |
| Belli Invest AS | Construction | 2005 |
| Ber-Lin Design AS | Wholesale & retail | 2018 |
| Berg-Olsen Eiendom AS | Real estate | 1999 |
| Bergsagel Holding AS | Construction | 2007 |
| Bilklart AS | Wholesale & retail | 2026 |
| Bioserve AS | Professional & scientific | 1994 |
| Birdai AS | Professional & scientific | 2021 |
| Bja Consulting AS | | 2024 |
| Bjarne Hervik Holding AS | Real estate | 2007 |
| Bjelland Invest AS | | 2021 |
| Bjørn Haldorsen AS | Information & communication | 2025 |
| Bjørnøy Invest AS | Professional & scientific | 2012 |
| Blaane Guiding Great Brands AS | Professional & scientific | 2000 |
| Blast-It AS | Administrative & support | 2023 |
| Blu Asset AS | Administrative & support | 2020 |
| Blue Fjord AS | Wholesale & retail | 1987 |
| Boganesgeilen 3 AS | Real estate | 2025 |
| Brady Subsea Consulting AS | Professional & scientific | 2022 |
| Bringinvest Hjelpeselskap AS | | 2024 |
| Brødr Bjergsted Befraktning Ans | Transport & logistics | 1990 |
| Brügger-Andersen Holding AS | Health & social care | 2019 |
| Btholding AS | | 2023 |
| Buøy Bakeri & Konditori AS | Manufacturing | 2002 |
| Buøy Slipp & Båtbyggeri AS | Manufacturing | 1997 |
| Bygdeveien 18 / 20 AS | Real estate | 2005 |
| Bygg for Fremtiden AS | Real estate | 2020 |
| Byggmester Hellevik AS | Construction | 2023 |
| Byggmester Tjensvoll AS | Construction | 2015 |
| Byggmester Trond Helberg AS | Construction | 2024 |
| Byggrestaurering AS | Construction | 2014 |
| Bygningsglassmesteren AS | Construction | 2007 |
| Båtleie AS | Information & communication | 2023 |
| Båtteknikk AS | Manufacturing | 2012 |
| Børesvingen Barnehage SA | Education | 2002 |
| Bûtón AS | Wholesale & retail | 2025 |
| C.Haugland AS | | 2024 |
| Campall AS | Information & communication | 2021 |
| Canicula AS | | 2025 |
| Cargo-Man AS | Professional & scientific | 2016 |