| Bilteknikk Vest AS | Other services | 2019 |
| BJB Holding AS | Construction | 2013 |
| Bjoarvik Auto Salg Da | Wholesale & retail | 2001 |
| Bjoarvik Holding AS | Education | 2024 |
| Bjoarvik Trafikkskole AS | Education | 2013 |
| Bjv-Invest AS | Real estate | 2010 |
| Bjørnafjorden Begravelsesbyrå AS | Other services | 2015 |
| Bjørnafjorden Bil AS | Wholesale & retail | 2020 |
| Bjørnafjorden Bygg Tjenester AS | Construction | 2025 |
| Bjørnafjorden Eiendomservice AS | Real estate | 2017 |
| Bjørnafjorden Elektro AS | Construction | 2021 |
| Bjørnafjorden Flis Og Mur AS | Construction | 2024 |
| Bjørnafjorden Hage & Anlegg AS | Construction | 2020 |
| Bjørnafjorden IT AS | Information & communication | 2023 |
| Bjørnafjorden Service AS | Professional & scientific | 2019 |
| Bjørnafjorden Takst AS | Real estate | 2026 |
| Bjørnafjorden Trafikkskole AS | Education | 2025 |
| Bjørnafjorden Tømrerservice AS | Construction | 2022 |
| Bjørnafjorden Utviklingsselskap AS | Real estate | 2021 |
| Bjørnavegen Holding AS | | 2025 |
| Bjørnefjorden AS | Real estate | 2009 |
| Bjørnefjorden Eiendom Da | Wholesale & retail | 2009 |
| Bjørnefjorden Hjertesenter AS | Health & social care | 2005 |
| Bjørnefjorden Invest AS | Real estate | 2016 |
| Bjørnefjorden Pizza AS | Hospitality | 2005 |
| Bjørnefjorden Tannlegepraksis AS | Health & social care | 2023 |
| Bjørnefjorden Utvikling AS | Real estate | 2012 |
| Bjørnen Os AS | Real estate | 2005 |
| Bjørnestad AS | Other services | 2023 |
| Bjørø Eiendom AS | Real estate | 2018 |
| Bjørø Energi AS | Professional & scientific | 2023 |
| Bjørø Holding AS | Construction | 2018 |
| Bjørø Prosjekt AS | Professional & scientific | 2025 |
| Bjørø Søvig Sundsbak Reportasje Og Reklame Ans | Professional & scientific | 1997 |
| BKT Invest AS | | 2015 |
| BL Eigedom AS | Real estate | 2020 |
| Blue Sky Economy Bergen AS | Professional & scientific | 2025 |
| Blåtind Kapital AS | Financial services | 2021 |
| BM. Geir Hereid AS | Construction | 2022 |
| Bobrov Invest AS | | 2019 |
| Bof AS | Wholesale & retail | 2024 |
| Boga Berentzen AS | | 2026 |
| Boge Industrier AS | Agriculture & fishing | 2021 |
| Borgafjell AS | Professional & scientific | 2017 |
| Borgafjell Invest AS | | 2023 |
| Borgatek AS | Professional & scientific | 2023 |
| Botnevik Samdrift Da | Construction | 2005 |
| BR Utleie AS | Construction | 2019 |
| BRANDLINK360 AS | Professional & scientific | 2009 |
| Bratt & Flatt AS | Construction | 2025 |
| Bre Holding AS | | 2018 |
| Bridge of Business AS | Professional & scientific | 2022 |
| Bromle Eiendom AS | Administrative & support | 1991 |
| Bruarøy Frisør AS | Other services | 2013 |
| Brugården Ans | Real estate | 2006 |
| Brødr Borgen Ferdigbetong AS | Manufacturing | 1997 |
| Brødr. Borgen Eiendomselskap AS | Real estate | 2006 |
| Brødrene Søgnen AS | Construction | 2004 |
| BTS Eiendom AS | Real estate | 2008 |
| Bunadbutikken AS | Manufacturing | 2021 |
| Bygg & Bo Os AS | Real estate | 2005 |
| Bygg Og Takst Partner AS | Real estate | 2026 |
| Byggmester Borgen AS | Construction | 2018 |
| Byggmester Ivarsen AS | Construction | 2021 |
| Byggmester Ole Ronny Svendsen AS | Construction | 2005 |
| Byggmester Skaatun AS | Construction | 2021 |
| Byggteknisk AS | Professional & scientific | 2014 |
| Bynes Holding AS | Real estate | 2009 |
| Bystrand AS | Arts & recreation | 2017 |
| Byvegen 81 AS | Real estate | 2012 |
| Bård & Espen Eiendom AS | Real estate | 2000 |
| Bård Og Espen Holding AS | Real estate | 2010 |
| Bøe Service AS | Administrative & support | 2014 |
| Bøllefrø AS | Financial services | 2016 |
| C Myrlid AS | Construction | 2015 |
| C-Gruppen AS | | 2025 |
| Caesar Data, Inc. Nuf | Information & communication | 2026 |
| Calculo AS | Professional & scientific | 1991 |
| CAN8IAN AS | Real estate | 2022 |
| Capri Restaurant Os AS | Hospitality | 2008 |
| Carbomix AS | Wholesale & retail | 2019 |
| Carfix AS | Other services | 1998 |
| Carfix Gruppen AS | Other services | 2017 |
| Carfix Technology AS | Other services | 2017 |
| Cargar Invest AS | | 2022 |
| Cascade Eigedom AS | Administrative & support | 2014 |
| Cato Lyssand Holding AS | | 2015 |
| Cecilies Frisørsalong AS | Other services | 2013 |
| Cer AS | | 2024 |
| Cfrgyn AS | Health & social care | 2020 |
| Cha Zet Aktivitetssenter AS | Arts & recreation | 1991 |
| Cha Zet Invest AS | Real estate | 2005 |
| Christer Hummelsund Invest AS | | 2023 |
| Chrisvic Norway AS | Wholesale & retail | 2025 |
| CHS Marine AS | Manufacturing | 2022 |
| CIC Operations Osporten AS | Hospitality | 2022 |
| Classic Frisør AS | Other services | 1993 |
| CMV Bygg AS | Construction | 2017 |
| Coh Holding AS | Real estate | 2021 |
| Complett Mur Og Flis AS | Construction | 2013 |