| 1ST Energy AS | Professional & scientific | 2022 |
| 2510 Holding AS | Professional & scientific | 2019 |
| 3 Piker AS | Wholesale & retail | 2019 |
| 3FAS AS | Professional & scientific | 2022 |
| 7FJELL Ventures AS | Financial services | 2005 |
| A&M Bygg AS | Construction | 2024 |
| A. Aadland Holding AS | Construction | 2022 |
| A. Nyhammer Hus- Og Hagetjenester AS | Administrative & support | 2021 |
| Aadland Og Gundersen Bygg AS | Construction | 1999 |
| Ab-Consult AS | Professional & scientific | 2020 |
| Above N' Below AS | Administrative & support | 2026 |
| Abrehamsen Holding AS | | 2026 |
| Add on Fitness International AS | Education | 2005 |
| Adine AS | Wholesale & retail | 2005 |
| Advoeigedom Holding AS | Real estate | 2010 |
| Advokat Siri Øvstebø AS | Professional & scientific | 2015 |
| Advokatfirmaet Responsa AS | Professional & scientific | 2005 |
| Advokatkontoret Sunnhordland AS | Professional & scientific | 2017 |
| Aengelsen AS | | 2020 |
| Agder Hydrogen Hub AS | Manufacturing | 2022 |
| Aiva Invest AS | | 2023 |
| Aj Eiendom Stord AS | Real estate | 2002 |
| Aksial AS | Real estate | 2024 |
| Akslandselva Kraftverk AS | Energy | 2007 |
| Aktiv Sunnhordland AS | Real estate | 2024 |
| Akvator AS | Real estate | 2012 |
| Alde Akva AS | Professional & scientific | 2020 |
| Aldus AS | Construction | 2016 |
| Alfa Hårstudio RR AS | Other services | 2009 |
| Alltec AS | Construction | 2018 |
| Almaas Hotell Stord AS | Hospitality | 1988 |
| Almås Eigedom AS | Real estate | 1990 |
| Almås Eigedomsinvest AS | Real estate | 2024 |
| Almås Holding AS | Real estate | 1998 |
| Alpha Consult AS | Professional & scientific | 2018 |
| Alphazero AS | | 2021 |
| Alsaker Vedlikehold AS | Administrative & support | 2025 |
| Alstom Power Sweden AB | | 1995 |
| Alver Biogass AS | Real estate | 2024 |
| Amon Invest AS | Financial services | 2018 |
| Amundsen Arctic Consulting AS | Professional & scientific | 2014 |
| Andac Pizzano Restaurant & Cafe Ans | Hospitality | 1998 |
| Andersland Rør AS | Construction | 2005 |
| Anker Consulting AS | Professional & scientific | 2019 |
| Anleggs- Og Industridykk AS | Construction | 2008 |
| Anleggsgartnar Grimsbø AS | Administrative & support | 2018 |
| Ansi Drift AS | Professional & scientific | 2024 |
| Ansi Holding AS | Construction | 2014 |
| Apalvegen 10 AS | Real estate | 2026 |
| Aqua Site Service AS | Agriculture & fishing | 2022 |
| Aquacontrol AS | Professional & scientific | 2012 |
| Aquapro AS | Water & waste | 2015 |
| Aquatek AS | Construction | 2023 |
| Arc-Id AS | Professional & scientific | 2007 |
| Ard Invest AS | Administrative & support | 2005 |
| Arild Birkeland Eigedom AS | Real estate | 2020 |
| Arild Nylund Transport AS | Transport & logistics | 2011 |
| Aritech AS | Construction | 2001 |
| Aritech Invest AS | Construction | 2021 |
| Arterie AS | Arts & recreation | 2024 |
| AS Odd Fellow Huset På Stord | Real estate | 1974 |
| AS Sentrumsgården | Real estate | 1959 |
| Ascendo Holding AS | Financial services | 2018 |
| ASIS3D AS | Professional & scientific | 2016 |
| Askjenergy AS | Energy | 2024 |
| Aslaug Skibenes Invest AS | | 2025 |
| At Business AS | Wholesale & retail | 2017 |
| Atelieet Frisør AS | Other services | 2001 |
| Atheno AS | Professional & scientific | 1992 |
| Atheno Prosjektutvikling AS | Education | 2006 |
| Atvatu Holding AS | | 2025 |
| Augu AS | | 2019 |
| Augustson Holding AS | | 2007 |
| Austbris AS | Agriculture & fishing | 2026 |
| Austbris Holding AS | Agriculture & fishing | 2020 |
| Auto Industri AS | Other services | 1976 |
| Axenta AS | Information & communication | 2008 |
| B&N Services AS | Other services | 2016 |
| Baa Invest AS | | 2025 |
| Bakeriet Frugård AS | Hospitality | 1989 |
| Balanse Bygg AS | Construction | 2009 |
| Balanse Bygg Holding AS | Construction | 2023 |
| Basis AS | | 2023 |
| Battery AS | Hospitality | 2025 |
| Beine AS | Professional & scientific | 2016 |
| Beinved AS | Construction | 2010 |
| Bel Investment AS | Manufacturing | 2005 |
| Belvent.No AS | Construction | 2016 |
| Benco AS | | 2012 |
| Bengelsen Invest AS | | 2025 |
| Bento Sushi Stord AS | Hospitality | 2024 |
| Beredno Eigedom AS | Real estate | 2015 |
| Beredt Norge AS | Wholesale & retail | 2024 |
| Bergly Internasjonale Familiebarnehage AS | Education | 2022 |
| Berserk Design AS | Professional & scientific | 2016 |
| Bestpraksis AS | Professional & scientific | 2020 |
| Bew Holding AS | | 2025 |
| BG Grov Holding AS | | 2025 |
| Bilal Al Banna Taxi | Transport & logistics | 2013 |
| Bilfagenes Opplæringskontor Stord AS | Education | 1997 |