| Bergstien 30 Eiendom AS | Real estate | 2019 |
| Bergstrøm AS | Hospitality | 2005 |
| Bergstrøm Invest Worldwide Holding AS | | 2026 |
| Bergsøen Bear AS | Real estate | 2025 |
| Bergsøen Bull AS | | 2019 |
| Bergtar AS | Real estate | 2015 |
| Bergtattfestivalen AS | Arts & recreation | 2019 |
| Bergtech AS | Real estate | 2020 |
| Bergtjenester AS | Professional & scientific | 2006 |
| Bergum Holding AS | | 2024 |
| Bergum Prosjektrådgivning AS | Professional & scientific | 2020 |
| Bergun AS | Wholesale & retail | 2021 |
| Bergvall Holding AS | | 2020 |
| Bergvegg AS | | 2020 |
| Bergvik Norway AS | Real estate | 2018 |
| Bergvind AS | Wholesale & retail | 2008 |
| Bergvind Holding AS | Financial services | 2015 |
| Bergy Invest AS | Real estate | 2013 |
| Berigo AS | Information & communication | 2017 |
| Berisa AS | | 2017 |
| Berja Eiendom AS | Real estate | 1997 |
| Berkano Holding AS | Professional & scientific | 2005 |
| Berkeley Senteret AS | Professional & scientific | 1997 |
| Berker Eiendom AS | Real estate | 2024 |
| Berker Group AS | Professional & scientific | 2012 |
| Berkley European Brokers AS | | 2018 |
| Berkley European Underwriters AS | Financial services | 2018 |
| Berland Kdu Invest AS | | 2021 |
| Berlar AS | Professional & scientific | 2026 |
| Berle Holding AS | | 2021 |
| Berlin AS | | 2017 |
| Berlin Bidco AS | Information & communication | 2020 |
| Berlin Boligutvikling AS | Financial services | 1987 |
| Berlin Eiendom Alpha AS | Financial services | 2007 |
| Berlin Eiendom AS | Financial services | 2007 |
| Berlin Eiendom Beta AS | Financial services | 2010 |
| Berlin Eiendom Deka AS | Real estate | 2017 |
| Berlin Eiendom Delta AS | Real estate | 2012 |
| Berlin Eiendom Epsilon AS | Real estate | 2014 |
| Berlin Eiendom Gamma AS | Real estate | 2010 |
| Berlin Eiendom Kappa AS | Real estate | 2017 |
| Berlin Eiendom Lambda AS | Real estate | 2016 |
| Berlin Eiendom Omega AS | Real estate | 2025 |
| Berlin Eiendom Omikron AS | Real estate | 2017 |
| Berlin Eiendom Zeta AS | | 2016 |
| Berlin Invest AS | Financial services | 2006 |
| Berlin Investment Group AS | Financial services | 2021 |
| Berlin Property Invest 2 AS | Financial services | 2007 |
| Berlin Property Invest AS | Financial services | 2007 |
| Berlin Utleie AS | Real estate | 2024 |
| Berlitz Language Services Scandinavia Norsk Avdeling Av Utenlandsk Foretak Nuf | Education | 2000 |
| Bermuda Barber Shop AS | Other services | 2022 |
| Bern Young Partners LLC | Professional & scientific | 2014 |
| Berner Boligutleie II AS | Real estate | 2013 |
| Berner Studio AS | Manufacturing | 2023 |
| Bernh Botolfsen Import AS | Wholesale & retail | 1978 |
| Bernh. L. Mathisen Invest AS | Financial services | 2005 |
| Bernhard Invest AS | Financial services | 2015 |
| Bernhard L. Holding AS | | 1919 |
| Bernhard Rostad AS | Real estate | 2019 |
| Bernhard Schulte Shipmanagement (Cyprus) Ltd | Transport & logistics | 1995 |
| Bernie's AS | Hospitality | 2020 |
| Bernina AS | Professional & scientific | 2006 |
| Bernitz Invest AS | | 2017 |
| Bernt Ankers Gate 17 AS | Professional & scientific | 2019 |
| Bernt Ankers Gate 23-25 AS | Real estate | 2017 |
| Bernt Ankers Gate 27-29 AS | Real estate | 2017 |
| Bernt Ankers Gate 33 AS | Real estate | 2017 |
| Bernt Ankers Gate 8 AS | Real estate | 2006 |
| Bernt Ankersgate 6B II AS | Real estate | 2024 |
| Bernt Ankersgate Invest AS | Real estate | 2008 |
| Bernt Knudsensvei 53 AS | Real estate | 2009 |
| Bernts Glasmesteri HB | Construction | 1998 |
| Berntsen Consulting Co. AS | Professional & scientific | 2024 |
| Berntsen Eiendom AS | Real estate | 2008 |
| Berntsen Holding AS | Real estate | 2006 |
| Berntsen Kunsthandel & Galleri V17 AS | Wholesale & retail | 2026 |
| Berntsen Kunsthandel & Kunsthuset H7 | Real estate | 2020 |
| Berntzen & Liholt Butikkdrift Ans | Wholesale & retail | 2008 |
| Berodd AS | Financial services | 2007 |
| Berona Holding AS | Professional & scientific | 2022 |
| Beros Invest AS | | 2021 |
| Beros Verktyg Sverige AB Nuf | Manufacturing | 2025 |
| Berre Ellefsen. Curating Architecture & Urbanism AS | Arts & recreation | 2018 |
| Berry Group AS | Real estate | 2021 |
| Berryessa AS | | 2021 |
| Berrykate AS | | 2001 |
| Berserk AS | Professional & scientific | 2022 |
| Berskau AS | Real estate | 2019 |
| Bertanna AS | | 2021 |
| Bertel O. Steen Brobekk AS | Other services | 1991 |
| Bertel O. Steen Defence & Security AS | Wholesale & retail | 1987 |
| Bertel O. Steen Defence Holding AS | Wholesale & retail | 1979 |
| Bertel O. Steen Industri AS | Wholesale & retail | 2020 |
| Bertel O. Steen Industri Holding AS | Wholesale & retail | 2023 |
| Bertel O. Steen Ullevål AS | Other services | 1990 |
| Bertine B Styrmoe Holding AS | Real estate | 2019 |
| Bertling Logistics Norway AS | Transport & logistics | 2013 |
| Bertnes Røed AS | | 2013 |
| Bertol AS | | 2025 |