| Brinco Mat AS | Wholesale & retail | 2025 |
| Bring AS | Professional & scientific | 2005 |
| Bring Cargo AS | Transport & logistics | 2000 |
| Bring Cargo International Norge AS | Transport & logistics | 2019 |
| Bring Courier & Express AS | Transport & logistics | 1997 |
| Bring Eiendom Haugesund AS | Real estate | 2011 |
| Bring Equipment AS | Administrative & support | 2019 |
| Bring FØR7 AS | Transport & logistics | 2021 |
| Bring Home Delivery Norge AS | Transport & logistics | 2019 |
| Bring Shelfless Nordic Holding AS | Transport & logistics | 2021 |
| Bring Ventures AS | Information & communication | 2021 |
| Bringager Kultur Og Kompetanse AS | Education | 2016 |
| Bringebærhagen AS | Real estate | 2016 |
| Brinis Holding AS | | 2024 |
| Brink Studio AS | Information & communication | 2026 |
| Brinkbygg AS | Professional & scientific | 2005 |
| Brinken 52 AS | Real estate | 2005 |
| Brinkis AS | Construction | 2023 |
| Brinvest AS | | 1974 |
| Brio AS | Wholesale & retail | 1984 |
| Bris Kapital AS | | 2025 |
| Brisega AS | | 2026 |
| Briseidholding AS | | 2025 |
| Brisinga Consulting AS | Real estate | 2006 |
| Brisk Invest AS | | 2025 |
| Briskan AS | Professional & scientific | 2021 |
| Briskeby Butikkdrift AS | Wholesale & retail | 2024 |
| Briskeby Bánh Mi AS | Hospitality | 2024 |
| Briskeby Da | Arts & recreation | 2000 |
| Briskeby Eiendom AS | Real estate | 2021 |
| Briskeby Forlag AS | Information & communication | 2025 |
| Briskeby Gods AS | Wholesale & retail | 2010 |
| Briskeby Golf AS | Administrative & support | 2025 |
| Briskeby Invest AS | Real estate | 2012 |
| Briskeby Mat AS | Wholesale & retail | 2011 |
| Briskeby Mynthandel AS | Wholesale & retail | 2025 |
| Briskeby Optikk AS | Wholesale & retail | 2016 |
| Briskeby Restaurantdrift AS | Hospitality | 2019 |
| Briskeby Solutions AS | Information & communication | 2025 |
| Briskeby Trading AS | Wholesale & retail | 2021 |
| Briskeby Vekst AS | Real estate | 2005 |
| Briskebyen I AS | Real estate | 2022 |
| Briskebyveien 26 AS | Manufacturing | 2007 |
| Briskebyveien 72 AS | Real estate | 2015 |
| Briski AS | | 2022 |
| Brisq AS | Professional & scientific | 2024 |
| Brisq Mipco AS | Professional & scientific | 2024 |
| Brissago Technologies AS | Information & communication | 2026 |
| Brist AS | Professional & scientific | 2021 |
| Bristolgarasjen AS | Transport & logistics | 2006 |
| Brita Scheel Radiologi AS | Health & social care | 2012 |
| Britax Norway AS | Wholesale & retail | 1946 |
| British American Tobacco Norway AS | Wholesale & retail | 1998 |
| British Tourist Authority | Administrative & support | 1995 |
| Britor AS | Real estate | 2005 |
| Britt Krokene Sivilarkitekt Mnal AS | Professional & scientific | 2010 |
| Brivo AS | Information & communication | 2017 |
| Brix Norway AS | | 2026 |
| Brixton Frames AS | Professional & scientific | 2016 |
| Brixx AS | Health & social care | 2023 |
| Brizle AS | | 2025 |
| BRJ AS | | 2023 |
| BRJ Boliginvest AS | Real estate | 2021 |
| BRJ Boliginvest Holding AS | Real estate | 2018 |
| BRJ Boliginvest Holding Nlu AS | | 2025 |
| BRJ Boliginvest Nlu AS | | 2025 |
| BRJ Holding AS | | 2025 |
| BRJ Voksen Utvikling AS | Real estate | 2020 |
| BRK 1 AS | Real estate | 2020 |
| BRK Holding AS | Financial services | 2005 |
| BRM Gruppen AS | Real estate | 2007 |
| Brmgpe AS | Real estate | 2021 |
| BRN3R AS | | 2026 |
| Bro Brille AS | Professional & scientific | 2000 |
| Bro Bygg AS | Real estate | 2002 |
| Bro-Finans AS | | 2025 |
| Broadbay Holding AS | | 2025 |
| Broadbay Invest AS | Real estate | 2012 |
| Broadbay Sedna AS | | 2024 |
| Broadcast AS | Information & communication | 2021 |
| Broadview Lifescience AS | Wholesale & retail | 1994 |
| Broadway Vinhus AS | Hospitality | 2024 |
| Broastad Da | Hospitality | 2002 |
| Brobakken Invest AS | | 2025 |
| Brobekk AS | Real estate | 2021 |
| Brobekk Bil AS | Wholesale & retail | 2013 |
| Brobekk Eiendom AS | Real estate | 1996 |
| Brobekk Fysioterapi Da | Health & social care | 2009 |
| Brobekk Handelseiendom AS | Real estate | 2012 |
| Brobekk Legekontor Da | Health & social care | 2014 |
| Brobekk Pizza Og Grill AS | Hospitality | 2021 |
| Brobekkv 104A AS | Real estate | 2011 |
| Brobekkveien 107 AS | Real estate | 2007 |
| Brobekkveien 115 AS | Real estate | 2005 |
| Brobekkveien 31 Tomt AS | Real estate | 2011 |
| Brobekkveien 33 Tomteselskap AS | Real estate | 2016 |
| Brobekkveien 50 AS | Real estate | 1996 |
| Brobekkveien 51-55 AS | Professional & scientific | 1997 |
| Brobekkveien 53 AS | Real estate | 2006 |
| Brobekkveien 80 AS | Real estate | 2001 |