| Bob Beauté AS | Wholesale & retail | 2024 |
| Bob Holding SJW AS | | 2020 |
| Bob Merlin AS | Financial services | 2005 |
| Bob W Asset Management AS | Hospitality | 2022 |
| Boba Boys Arkaden AS | Hospitality | 2026 |
| Boba Company AS | Hospitality | 2025 |
| Bobalicious AS | Wholesale & retail | 2019 |
| Bobamaniac AS | Hospitality | 2020 |
| Bobbelobb Invest AS | Health & social care | 2023 |
| Bobbi Consulting AS | Professional & scientific | 2014 |
| Bobbie AS | Wholesale & retail | 2021 |
| Bobby and Bark AS | Wholesale & retail | 2024 |
| Bobbys Hair & Cosmetics AS | Wholesale & retail | 1997 |
| Bobcat Holding AS | Professional & scientific | 2022 |
| Bobe Invest AS | | 2019 |
| Bobil & Caravan Holding AS | | 2025 |
| Bobil Eiendom Evenes AS | Real estate | 2020 |
| Bobil Eiendom Rana AS | Real estate | 2020 |
| Boble AS | Other services | 2022 |
| Boblefotball Norge AS | Administrative & support | 2015 |
| Bobler AS | Professional & scientific | 2021 |
| Boblevest Invest AS | | 2022 |
| Bobmrly AS | | 2023 |
| Bobo Capital AS | | 2022 |
| Bobos Pizzabutikk AS | Hospitality | 1986 |
| Bobster Invest AS | Real estate | 2011 |
| Bobø Data Ans | Wholesale & retail | 1990 |
| Bocata Norge AS | Wholesale & retail | 2004 |
| Boccaccio Consulting AS | Real estate | 2003 |
| Bocchiarda AS | | 2020 |
| Bocconi AS | Real estate | 2006 |
| Bocian Holding AS | | 2025 |
| Bock Holding AS | | 2025 |
| Bockensoft AS | Information & communication | 2023 |
| Bocofana AS | Information & communication | 2020 |
| Bod AS | Professional & scientific | 2005 |
| Bodco Holding AS | | 2022 |
| Bodco Invest AS | | 2022 |
| Bodco Propco AS | | 2025 |
| Boddco AS | Professional & scientific | 2017 |
| Boddco GT AS | | 2026 |
| Boddco Holding AS | Real estate | 2017 |
| Boddco LP1 AS | Professional & scientific | 2018 |
| Boddco LP2 AS | Professional & scientific | 2020 |
| Boddco LP3 AS | Professional & scientific | 2020 |
| Bodega AS | Professional & scientific | 2024 |
| Bodet AS | Real estate | 2019 |
| Bodil AS | Hospitality | 2020 |
| Bodil Invest AS | | 2020 |
| Bodil's Dancing Ans | Arts & recreation | 2002 |
| Bodils Sønner AS | | 2021 |
| Bodlyn AS | | 2021 |
| Bodum (Skandinavien) Norsk Avdeling Av Utenlandsk Foretak Nuf | Wholesale & retail | 1998 |
| Bodycartography AS | Arts & recreation | 2025 |
| Bodyfly AS | Health & social care | 2012 |
| Bodén Holding AS | | 2026 |
| Bodø Eiendomsinvest AS | Real estate | 2022 |
| Bodø Sentrumseiendom AS | Real estate | 2021 |
| Boe Forvaltning AS | | 2018 |
| Boe Invest AS | Financial services | 2017 |
| Boe Ventures AS | Real estate | 2019 |
| Boel AS | Real estate | 1986 |
| Boena AS | Wholesale & retail | 2019 |
| Boer Invest AS | Professional & scientific | 2021 |
| Boerve AS | Real estate | 2024 |
| Bogafjellsenteret AS | Real estate | 1999 |
| Boganes Eiendom AS | Real estate | 1996 |
| Bogdan Bil AS | Wholesale & retail | 2017 |
| Boge Kraft AS | Energy | 2003 |
| Bogen Kapital AS | Financial services | 2005 |
| Bogen Ventures AS | | 2026 |
| Bogerud Engros AS | Real estate | 1990 |
| Bogerud Garasjelag SA | Transport & logistics | 1980 |
| Bogerud Holding AS | Real estate | 1979 |
| Bogerud Legesenter AS | Health & social care | 2013 |
| Bogerud Tannhelseklinikk AS | Health & social care | 2019 |
| Bogerud Tekstil Sør AS | Wholesale & retail | 1998 |
| Bogerud Tekstil Vest AS | Wholesale & retail | 1998 |
| Bogerud Varmesentral AS | Energy | 1965 |
| Bogerudveien 15 Bolig AS | Real estate | 2020 |
| Bogfjellmo Invest AS | | 2018 |
| Boggi & C. S.R.L | Construction | 2012 |
| Boggi Norge Da | Wholesale & retail | 2015 |
| Bogi Capital AS | | 2025 |
| Bogl Norge AS | Professional & scientific | 2020 |
| Boglede Holding AS | Real estate | 2021 |
| Bogliasco AS | Financial services | 2015 |
| Bogneruds Hage AS | Real estate | 2017 |
| Bognes Holding AS | | 1993 |
| Bogstad Auto Senter AS | Wholesale & retail | 1996 |
| Bogstad Eiendom AS | Real estate | 1999 |
| Bogstad Golfbane AS | Real estate | 2007 |
| Bogstad Holding AS | | 2022 |
| Bogstad Kapital AS | | 2022 |
| Bogstad Kolonial AS | Wholesale & retail | 2020 |
| Bogstadveien 1 Bilpleie AS | Other services | 2015 |
| Bogstadveien 1 Garasjer AS | Real estate | 2008 |
| Bogstadveien 1 Holding AS | Real estate | 2009 |
| Bogstadveien 1-7 Invest AS | Real estate | 2021 |
| Bogstadveien 11 AS | Real estate | 2005 |