| Bautverk Bygg AS | Construction | 2026 |
| BB Investering AS | | 2018 |
| BB Kvadrat AS | Hospitality | 2021 |
| BB Management AS | Professional & scientific | 2019 |
| BB2S13 AS | Real estate | 2024 |
| Bbe Takst AS | Professional & scientific | 1997 |
| BBP AS | Construction | 2011 |
| Be Creative AS | Professional & scientific | 2012 |
| Beauty Concept AS | Other services | 2024 |
| Beauté Fatale AS | Other services | 2013 |
| Bedre Burger 1 AS | Hospitality | 2016 |
| Bedre Burger AS | Hospitality | 2016 |
| Bedre Sushi 1 AS | Hospitality | 2021 |
| Bedriftsveien 14 AS | Real estate | 2021 |
| Bedriftsveien 15 AS | Real estate | 2007 |
| Bedriftsveien 16 AS | Real estate | 2003 |
| Bedriftsveien 17 a AS | Real estate | 2020 |
| Bedriftsveien 18 AS | Real estate | 1985 |
| Bedriftsveien 19 AS | Real estate | 1978 |
| Bedriftsveien 20 AS | Real estate | 2013 |
| Bedriftsveien 21 AS | Real estate | 2008 |
| Bedriftsveien 22 AS | Real estate | 2012 |
| Bedriftsveien 24 AS | Real estate | 2013 |
| Bedriftsveien 25 AS | Real estate | 1998 |
| Bef Invest AS | Financial services | 2005 |
| Behe Invest AS | | 2025 |
| Bek-Eiendom AS | Real estate | 2003 |
| Bek-Holding AS | | 2021 |
| Beliani Services Norway AS | Professional & scientific | 2025 |
| Bellapalma AS | | 2024 |
| Bellissima AS | Wholesale & retail | 2020 |
| Bemanningsxperten Rogaland AS | Administrative & support | 2019 |
| Benatz Holding AS | Real estate | 2017 |
| Bendcut AS | | 2026 |
| Benjamin Svendsen Holding AS | | 2024 |
| Benko AS | Financial services | 2005 |
| Bente Kristoffersen Holding AS | | 2026 |
| Berato Invest AS | Financial services | 2015 |
| Berco AS | Professional & scientific | 1983 |
| Berenskap AS | Manufacturing | 2015 |
| Berg Stillas AS | Construction | 2024 |
| Bergcom AS | | 2022 |
| Berge Eiendom Ans | Real estate | 2002 |
| Berge Hebnes AS | Financial services | 2005 |
| Bergelandsgata 13 Holding AS | Real estate | 2025 |
| Bergknapp AS | Agriculture & fishing | 2010 |
| Bergknapp Holding AS | Agriculture & fishing | 2021 |
| Bergknapp Og Grasrota Nordstein Ansatte AS | Agriculture & fishing | 2023 |
| Bergquist Strategi Nuf | Professional & scientific | 2006 |
| Bergsagel AS | Real estate | 2005 |
| Bergsagel Maskin Da | Construction | 2004 |
| Bergsted Bil AS | Wholesale & retail | 2022 |
| Berhetaxi AS | Transport & logistics | 2025 |
| Berik Drift AS | Hospitality | 2026 |
| Berit Assets AS | Real estate | 2006 |
| Berland Betong AS | Manufacturing | 2021 |
| Berli Utvikling AS | Real estate | 2026 |
| Berlin Kipco AS | Information & communication | 2021 |
| Berlin Midco AS | Information & communication | 2020 |
| Berlin Topco AS | Information & communication | 2021 |
| Berserkur AS | | 2025 |
| Bertel O Steen Rogaland AS | Other services | 1933 |
| Bertelsens Bokstaver AS | Professional & scientific | 2023 |
| Beslag Grossisten AS | Wholesale & retail | 2011 |
| Best Service Group AS | Administrative & support | 2022 |
| Betasoup AS | Information & communication | 2024 |
| Betelgeuse CSH AS | Health & social care | 2021 |
| Betong Invest AS | Real estate | 1986 |
| Betong-Bo AS | Real estate | 2006 |
| Betongbygget AS | Real estate | 2007 |
| Bewell by Makeup Art AS | Other services | 2019 |
| Bewil AS | | 2020 |
| Beyonder AS | Manufacturing | 2016 |
| BF Fuglestad AS | Information & communication | 2024 |
| Bfbk Finans AS | | 2018 |
| Bfbk Holding AS | Arts & recreation | 2019 |
| BGL Oiltec Consulting AS | Professional & scientific | 2025 |
| BGR Holding AS | | 2021 |
| BHM Invest AS | | 2014 |
| Bho Invest AS | | 2024 |
| Bhotell AS | Real estate | 2014 |
| Bi Builders AS | Information & communication | 2007 |
| Bibelbutikken AS | Wholesale & retail | 1970 |
| Bibeltypografi AS | Professional & scientific | 2021 |
| Bicotec AS | Professional & scientific | 2005 |
| Bike Garage AS | Other services | 2019 |
| Bike Ventures AS | | 2022 |
| Bikehunter AS | Administrative & support | 2023 |
| Bikinifabrikken AS | Real estate | 2012 |
| Bikubå Eiendom AS | Real estate | 1988 |
| Bikubå Trening AS | | 1999 |
| Bil Og Anleggsdekk AS | Wholesale & retail | 1982 |
| Bilavdelingen AS | Wholesale & retail | 2012 |
| Bilbyen Bilpleie AS | Other services | 2009 |
| Bilbyen Bilpleie Bergen AS | Other services | 2021 |
| Bilbyen Dekkhotell AS | Transport & logistics | 2006 |
| Bilgehan Invest AS | Real estate | 2012 |
| Bilhuset Servicesenter AS | Wholesale & retail | 2014 |
| Bilhuset Skade & Lakk AS | Other services | 2014 |
| Biljardmannen AS | Other services | 2025 |