| Bekkelaget Holding AS | Administrative & support | 2000 |
| Bekkelaget Og Ormøy Sokn Eiendom AS | Real estate | 2017 |
| Bekkelaget Prosjekt AS | Construction | 1996 |
| Bekkelaget Tømrerfirma Da | Construction | 2005 |
| Bekkelagshøgda Samfunnshus SA | Real estate | 1964 |
| Bekkeli Holding AS | Construction | 2006 |
| Bekkelund Holding AS | | 2021 |
| Bekken Og Barn Kjeden AS | Administrative & support | 2012 |
| Bekkenbraadland AS | Health & social care | 2025 |
| Bekkenstenveien AS | | 2024 |
| Bekkestua Bilskade AS | Other services | 2006 |
| Bekkestua Handelshus AS | Real estate | 1994 |
| Bekkestua Parkering Eiendom AS | Transport & logistics | 2014 |
| Bekkestua Pubdrift AS | Professional & scientific | 2021 |
| Bekkestua Syd III AS | Real estate | 2019 |
| Bekkestua Syd III Næring AS | Real estate | 2018 |
| Bekkestua Sørvest AS | Real estate | 2016 |
| Bekkestua Utvikling AS | Real estate | 2015 |
| Bekket Invest AS | | 2021 |
| Bekkevika AS | Real estate | 2018 |
| Bekki AS | Real estate | 1994 |
| Bekkis Invest AS | Real estate | 2017 |
| Bekks Holding AS | | 2025 |
| Beko Nordic AS | Wholesale & retail | 1961 |
| Beks Eiendom AS | | 2017 |
| Bel Eiendom AS | Real estate | 1991 |
| Bel Profilering AS | Professional & scientific | 2007 |
| Bel-Etage AS | Other services | 2009 |
| Bela AS | Financial services | 2010 |
| Belair AS | Professional & scientific | 2015 |
| Belam Riga Norge Nuf | Construction | 2019 |
| Belar AS | Wholesale & retail | 2024 |
| Belas Holding AS | | 2025 |
| Belay AI AS | Information & communication | 2023 |
| Belbin Norge AS | Information & communication | 2014 |
| Belbo AS | Financial services | 1961 |
| Belcem Invest AS | Transport & logistics | 2001 |
| Belda-Torp Invest AS | Hospitality | 2012 |
| Belden Bygg AS | Professional & scientific | 1998 |
| Bele AS | Financial services | 2006 |
| Beleriand AS | | 2025 |
| Beleven Eiendom AS | Real estate | 2022 |
| Beleven Foto AS | Professional & scientific | 2023 |
| Beleven Video AS | Information & communication | 2022 |
| Belfor Norway AS | Construction | 2002 |
| Belgau Film AS | Information & communication | 2023 |
| Belgau Holding AS | | 2025 |
| Belgau Invest AS | | 2026 |
| Belgrano Holding AS | Real estate | 2021 |
| Belief AS | Professional & scientific | 2006 |
| Belief Group AS | Professional & scientific | 2015 |
| Beliggenhet Eiendom AS | Real estate | 2007 |
| Beliggenhet Fritid AS | Real estate | 2006 |
| Beliggenhet Holding AS | Real estate | 2014 |
| Beliggenhet Utleie AS | Real estate | 2024 |
| Beliggenhet Utvikling AS | Real estate | 2002 |
| Belimed AG Nuf | Administrative & support | 2024 |
| Belimo Automation Norge AS | Wholesale & retail | 1984 |
| Belisa AS | Wholesale & retail | 1983 |
| Belisarius Invest AS | Financial services | 2017 |
| Beliv AS | | 1997 |
| Beliva AS | Wholesale & retail | 2016 |
| Belkhayati Invest AS | | 2022 |
| Bell & Bell AS | Professional & scientific | 1996 |
| Bell Express AS | Transport & logistics | 2021 |
| Bell Organization & Leadership AS | Professional & scientific | 2016 |
| Bella Blomster AS | Wholesale & retail | 2025 |
| Bella Blå AS | Professional & scientific | 2009 |
| Bella Bo Og Bygg AS | Construction | 2024 |
| Bella Capital AS | | 2021 |
| Bella Donna Jernbanetorget AS | Wholesale & retail | 1998 |
| Bella Eiendom Og Investering AS | Real estate | 2025 |
| Bella Invest AS | Arts & recreation | 2007 |
| Bella Mørk AS | Professional & scientific | 2023 |
| Bella Qiao Capital AS | | 2025 |
| Bella Skredder AS | Other services | 2018 |
| Bella Sofie AS | Professional & scientific | 1996 |
| Bella Toscana AS | Real estate | 2011 |
| Bella Toscana Vinimport AS | Wholesale & retail | 2013 |
| Bella Uvas AS | Wholesale & retail | 2022 |
| Bellamente AS | Information & communication | 2026 |
| Bellanotte Cafe & Bar AS | Hospitality | 2018 |
| Bellas Ali AS | Transport & logistics | 2013 |
| Bellas Hus AS | Wholesale & retail | 2023 |
| Bellaterra Holding AS | | 2023 |
| Bellator Invest AS | | 2016 |
| Bellatrix AS | Transport & logistics | 1983 |
| Belle Royal Charter AS | Hospitality | 2012 |
| Bellerophon Holding AS | | 2018 |
| Bellevent AS | Administrative & support | 2017 |
| Bellevie AS | Real estate | 2006 |
| Bellevue Holding AS | Real estate | 2018 |
| Bellevue Norge AS | Real estate | 2019 |
| Bellevue Panorama AS | | 2022 |
| Bellezza Norge AS | Health & social care | 2012 |
| Bellis Ecoinvest AS | Real estate | 2015 |
| Bellis Norway Limited Nuf | Wholesale & retail | 2011 |
| Bellisima Da | Other services | 2013 |
| Bellissima Clinic AS | Other services | 2019 |
| Bellmann Holding AS | Real estate | 2019 |