| Auestad Holding AS | Financial services | 2017 |
| Auglend Gard Da | Agriculture & fishing | 2006 |
| Aureco AS | Professional & scientific | 2000 |
| Auren Invest AS | Financial services | 2019 |
| Aursland Holding AS | | 2025 |
| Ausdal AS | Professional & scientific | 2018 |
| Austdal Capital AS | | 2026 |
| Autohus Holding AS | Real estate | 2014 |
| Autopro AS | Wholesale & retail | 2020 |
| Autoservice Bryne AS | Wholesale & retail | 2016 |
| Avishuset AS | Real estate | 2006 |
| Avishuset Bryggeri AS | Manufacturing | 2018 |
| Axari AS | Real estate | 2006 |
| Axter AS | Professional & scientific | 2022 |
| Azkaban Holding AS | | 2025 |
| B Håland Invest AS | | 2020 |
| B-O Torland AS | Construction | 2025 |
| B.Goa Invest AS | | 2018 |
| B.R. Invest AS | Real estate | 2021 |
| Backyard AS | Hospitality | 2024 |
| Bailouten AS | Real estate | 2025 |
| Bakker AS | | 2022 |
| Bakker Invest AS | | 2005 |
| Bakkewest AS | Manufacturing | 2010 |
| Balansen Invest AS | | 2022 |
| Baraka Bryne AS | Real estate | 2021 |
| Bare for Deg AS | Other services | 2010 |
| Barny AS | Real estate | 2003 |
| Basepark AS | Information & communication | 2024 |
| Bat Holding AS | | 2024 |
| Be Storgata 34 AS | Real estate | 2020 |
| Bedriftsvegen 1 AS | Real estate | 2017 |
| Beg Holding AS | | 2005 |
| Bekkeheien Musikk & Invest AS | Arts & recreation | 2011 |
| Bekkis Bar AS | Hospitality | 2020 |
| Bekkjen AS | | 2022 |
| Beluga Subsea AS | Administrative & support | 2022 |
| Berg Og Bøe AS | Wholesale & retail | 2020 |
| Bergene Eiendom AS | Real estate | 2023 |
| Bergene Maskin AS | Construction | 2023 |
| Bergvest AS | | 2025 |
| Bettikon AS | Professional & scientific | 1975 |
| Beyou AS | Wholesale & retail | 2025 |
| Biaa Eiendom AS | Real estate | 2014 |
| Bilstad Eiendom AS | Real estate | 1997 |
| Bilstad Holding AS | Real estate | 2007 |
| Bilvask 24/7 AS | Other services | 2021 |
| Bilvaskpartner AS | Manufacturing | 2011 |
| Bimi AS | Real estate | 1992 |
| Bimmerdeler.No AS | Wholesale & retail | 2022 |
| Bious Holding AS | Financial services | 2013 |
| Birkedal Flis AS | Construction | 2026 |
| Bjaanes Eiendom AS | Real estate | 2003 |
| Bjarkan AS | | 2026 |
| Bjelland Services AS | Professional & scientific | 2020 |
| Bjorhaug Industrieiendom AS | Real estate | 2005 |
| Bjorhaugsletta 16 AS | Real estate | 2023 |
| Bjorhaugslettå Lager AS | Real estate | 1998 |
| Bjorhaugvegen 2 AS | Real estate | 2017 |
| Bjørn Moi Markedsføring AS | Professional & scientific | 2007 |
| Bjørn Og Deta Ans | Other services | 1979 |
| Bjørnsen Advokatfirma AS | Professional & scientific | 2019 |
| Bkjr Holding AS | Construction | 2021 |
| Block AS | Real estate | 2010 |
| Blomstergården AS | Real estate | 2006 |
| Blonie AS | | 2025 |
| BLS Eiendom AS | Real estate | 2017 |
| BLS Invest AS | | 2026 |
| Blth AS | | 2026 |
| Blåsenborg Eiendom AS | Real estate | 2005 |
| Bobil Norge AS | Wholesale & retail | 2023 |
| Boggitrille AS | Manufacturing | 2021 |
| Bokn Holding AS | Real estate | 2021 |
| Bokstavmari AS | Education | 2025 |
| Boligbehandling AS | Administrative & support | 2023 |
| BOLIGKLIMA1 AS | Construction | 2012 |
| Bolnoevo AS | Real estate | 2010 |
| Bombus AS | Agriculture & fishing | 2010 |
| Bondura Technology AS | Manufacturing | 1986 |
| Bonek AS | Professional & scientific | 2023 |
| Boomtopp AS | Real estate | 2005 |
| Borg Takst AS | Professional & scientific | 2024 |
| Borg Takst Invest AS | Professional & scientific | 2022 |
| Borsheim Atelier AS | Arts & recreation | 2026 |
| Br-Bygg AS | Construction | 2005 |
| Breathly AS | Wholesale & retail | 2025 |
| Breimyra 10 AS | Real estate | 2021 |
| Breimyra 15 AS | Real estate | 2022 |
| Breimyra 18 AS | Real estate | 2009 |
| Bris Næringseiendom AS | Manufacturing | 2008 |
| Bror Sushi AS | Hospitality | 2013 |
| Brosten Bonanza AS | | 2023 |
| Brudegården AS | Wholesale & retail | 2023 |
| Brumo AS | Professional & scientific | 2005 |
| Brunes Providence AS | | 2024 |
| Brustadbua Bryne AS | Wholesale & retail | 2024 |
| Bruus AS | Professional & scientific | 2022 |
| Bryllups Selskapsservice Ans | | 1994 |
| Bryne Autosalg AS | Wholesale & retail | 2007 |
| Bryne Bedriftsrådgivning AS | Professional & scientific | 2014 |