| Bears & Co AS | Hospitality | 2015 |
| Beas AS | Professional & scientific | 2009 |
| Beas Holding AS | Professional & scientific | 1992 |
| Beast Holding AS | | 2025 |
| Beate Arnestad AS | Information & communication | 2016 |
| Beate Ellingsen AS | Professional & scientific | 2009 |
| Beate II AS | Construction | 2016 |
| Beatroot AS | | 2022 |
| Beatroute Ans | Arts & recreation | 2000 |
| Beaufort AS | Financial services | 2014 |
| Beautiful State AS | Professional & scientific | 2022 |
| Beautify AS | Other services | 2021 |
| Beauty & Health AS | Health & social care | 2006 |
| Beauty Academy AS | Education | 2023 |
| Beauty AS | Education | 2018 |
| Beauty Brands AS | Wholesale & retail | 2021 |
| Beauty by Linda AS | Other services | 2022 |
| Beauty Fair Holding AS | Other services | 2023 |
| Beauty Mall AS | Wholesale & retail | 2017 |
| Beauty Mall Bogstadveien AS | Wholesale & retail | 2024 |
| Beauty Mall Storo AS | Wholesale & retail | 2025 |
| Beauty Mall Stortorvet AS | Wholesale & retail | 2025 |
| Beauty Medical AS | Health & social care | 2019 |
| Beauty Og Helse Akademiet AS | Education | 2003 |
| Beauty Og Helse AS | Wholesale & retail | 2023 |
| Beauty Rebels AS | Wholesale & retail | 2022 |
| Beauty Studio 23 Oslo City AS | Professional & scientific | 2022 |
| Beauty Technology AS | Wholesale & retail | 2006 |
| Beauty Therapy Medi Og Spa Klinikk AS | Other services | 2021 |
| Beauty Vibes AS | Other services | 2014 |
| Beauty&Art Studio AS | Other services | 2024 |
| Beautyalle AS | Other services | 2017 |
| Beautygirl Import AS | Wholesale & retail | 2021 |
| Beb Industrier AS | Information & communication | 2022 |
| Beba AS | | 2017 |
| Bebida Beverage Group AS | Wholesale & retail | 2026 |
| Bebu AS | Financial services | 2006 |
| Bec Invest AS | | 2010 |
| Becama Holding AS | | 2023 |
| Becanoh Invest AS | | 2021 |
| Beccart AS | Professional & scientific | 2020 |
| Becco AS | Hospitality | 2020 |
| Bech AS | Construction | 2023 |
| Bech Capital Investment AS | | 2021 |
| Bech, Hansen Og Dybvik Productions Ans | Arts & recreation | 2009 |
| Bechri AS | Real estate | 1998 |
| Becker Entreprenør AS | Construction | 2005 |
| Becker Proff Entreprenør AS | Construction | 2023 |
| Beckman Holding AS | | 2024 |
| Beckmann Bygg & Eiendom AS | Real estate | 1996 |
| Beckmann Bygg AS | Construction | 2007 |
| Beckmann Bygg Entreprenør AS | Construction | 2024 |
| Beckmann Og Toppe Ans | Manufacturing | 1997 |
| Becks AS | Transport & logistics | 2025 |
| Beco Holding AS | Real estate | 2025 |
| Beco Tec AS | Wholesale & retail | 2002 |
| Become Norwegian AS | Professional & scientific | 2024 |
| Becon AS | Professional & scientific | 2025 |
| Beconnected AS | Professional & scientific | 2017 |
| Becquerel AS | Health & social care | 2020 |
| Becrystal AS | Information & communication | 2024 |
| Becton Dickinson Dispensing Norway AS | Wholesale & retail | 2007 |
| Becton Dickinson Norway AS | Manufacturing | 2005 |
| Becuriou AS | Administrative & support | 2013 |
| Bed AS | Information & communication | 2018 |
| Beddingen 24 AS | Information & communication | 2000 |
| Beddingen 8 AS | Real estate | 1990 |
| Beddingen Finans AS | Professional & scientific | 1996 |
| Bedeho Mender Holding AS | Information & communication | 2016 |
| Beden AS | Real estate | 2010 |
| Bedford Consultancy Services AS | Information & communication | 2019 |
| Bedis AS | Wholesale & retail | 2011 |
| Bedre Barsel AS | Health & social care | 2025 |
| Bedre Blokk AS | Professional & scientific | 2022 |
| Bedre Damer AS | Arts & recreation | 2017 |
| Bedre Eiendom AS | Real estate | 2023 |
| Bedre Elektro AS | Construction | 2018 |
| Bedre Film AS | Information & communication | 2009 |
| Bedre Læring AS | Administrative & support | 2023 |
| Bedre Nætter AS | Wholesale & retail | 2015 |
| Bedre Og Bedre Holding AS | Wholesale & retail | 2016 |
| Bedre Teltutleie AS | Administrative & support | 2014 |
| Bedre Tider Holding AS | Arts & recreation | 2022 |
| Bedre VVS AS | Construction | 2024 |
| Bedrehørsel AS | Health & social care | 2024 |
| Bedresammen AS | Professional & scientific | 2026 |
| Bedreservice Da | Information & communication | 2000 |
| Bedrift & Privat Invest AS | Real estate | 1987 |
| Bedriften AS | | 2024 |
| Bedriftenes Rådgivningskontor AS | Professional & scientific | 2014 |
| Bedrifts Flytting AS | Transport & logistics | 2023 |
| Bedrifts-Invest AS | Professional & scientific | 1983 |
| Bedriftsakademiet AS | Professional & scientific | 1992 |
| Bedriftsbistand AS | Professional & scientific | 2007 |
| Bedriftsbørsen AS | Professional & scientific | 2009 |
| Bedriftsconsult AS | Professional & scientific | 2023 |
| Bedriftsengros AS | Wholesale & retail | 2024 |
| Bedriftsforhandleren AS | Professional & scientific | 2014 |
| Bedriftshjelp AS | Professional & scientific | 2025 |
| Bedriftsinvestor AS | Real estate | 1999 |