| Bme Design AS | Professional & scientific | 2012 |
| Bo Krogh Aps | | 1996 |
| Boah Sounds AS | Information & communication | 2013 |
| Boardlog AS | Information & communication | 2019 |
| Boas-Vonas JV Nuf | Professional & scientific | 2024 |
| Boast Digital AS | | 2019 |
| Boat Adventure Stavanger AS | Administrative & support | 2024 |
| Bob Stylister T&I AS | Other services | 2012 |
| Boblende-Kreativitet AS | Wholesale & retail | 2025 |
| Boccia-Spesialisten Chili Consulting AS | Professional & scientific | 2019 |
| Bocco AS | Manufacturing | 2015 |
| Bode AS | Professional & scientific | 2011 |
| Boetor Invest AS | | 2021 |
| Bofo AS | Real estate | 1995 |
| Boganes Barnehage SA | Education | 1992 |
| Boganes Invest Holding AS | Construction | 2009 |
| Boganesgeilen AS | Real estate | 2020 |
| Boganesveien 10 AS | Real estate | 2008 |
| Boganesveien 48 Holding AS | Real estate | 2012 |
| Boganesveien 52 Og 54 AS | Real estate | 2008 |
| Boganesveien Autosenter AS | Wholesale & retail | 2004 |
| Boheim AS | Real estate | 2012 |
| Bohm Invest AS | Professional & scientific | 2021 |
| Boitano Stavanger AS | Information & communication | 2023 |
| Bokbinderiet Erland AS | Manufacturing | 1994 |
| Bokfinken Eiendom AS | Real estate | 2025 |
| Bokkaskogen Eiendom AS | Real estate | 2023 |
| Bokoko AS | | 2022 |
| Boksas Invest AS | | 2018 |
| Bokstaveriet Ans | Wholesale & retail | 2024 |
| Bokvalitet AS | Real estate | 2025 |
| Bold Studio AS | Other services | 2026 |
| Boldwark AS | Information & communication | 2025 |
| Bolig Innovasjon AS | Real estate | 2025 |
| Bolig Utleie Invest AS | Administrative & support | 2026 |
| Boligbyggeren AS | Real estate | 2024 |
| Boligbyggeren Jadarhus AS | Real estate | 2023 |
| Boligbyggeren Øglænd AS | Real estate | 2010 |
| Bolignæring AS | Real estate | 2000 |
| Boligspesialisten Stavanger AS | Real estate | 2021 |
| Bolt Corporate Finance AS | Professional & scientific | 2007 |
| Bolt Management AS | Professional & scientific | 2016 |
| Bomagi AS | Information & communication | 2025 |
| Bon Dep Holding AS | Wholesale & retail | 2023 |
| Bonafide Translatørbyrå AS | Professional & scientific | 1992 |
| Bondens Marked Rogaland SA | Other services | 2018 |
| Bondevennen AS | Information & communication | 1993 |
| Bondhus AS | Real estate | 2013 |
| Boni No 1 AS | Construction | 2010 |
| Bonum Vitae AS | | 2021 |
| Book Invest AS | | 2024 |
| Book on House AS | Information & communication | 2014 |
| Bora Maritime AS | | 2023 |
| Boreal Holding AS | Transport & logistics | 2021 |
| Boreal Norge AS | Transport & logistics | 1999 |
| Boreal Vekst AS | Transport & logistics | 2021 |
| Borealis Risk Consulting AS | Professional & scientific | 2021 |
| Borgland Advisory AS | Professional & scientific | 2016 |
| Borgland Invest AS | Financial services | 2011 |
| Borgsund Holding AS | Financial services | 2016 |
| Born Holding AS | Administrative & support | 2023 |
| Boskalis Offshore AS | Mining & quarrying | 1988 |
| Botanist AS | Manufacturing | 2023 |
| Both Sides Music AS | Arts & recreation | 2024 |
| Bothania AS | Professional & scientific | 2014 |
| Botrytis AS | Education | 2006 |
| Boveda Capital AS | Financial services | 2017 |
| Bowitz Holding AS | Financial services | 2017 |
| Box AS | Real estate | 2022 |
| Boxill Invest AS | | 2024 |
| BPH AS | Real estate | 2009 |
| BQ Management Consulting AS | Professional & scientific | 2012 |
| BR Bie I Ans | Real estate | 2002 |
| BR Vab Invest AS | | 2026 |
| Br-Auto AS | Wholesale & retail | 2017 |
| Braarvig Holding AS | | 2026 |
| Braaten.Technology AS | Professional & scientific | 2022 |
| Brabo AS | Real estate | 1996 |
| Bragetunet Dagligvare AS | Wholesale & retail | 2017 |
| Brainfreeze Invest AS | Real estate | 2019 |
| Brakkvald Invest AS | | 2019 |
| Brams Holding AS | Professional & scientific | 2009 |
| Brandiva AS | Wholesale & retail | 2018 |
| Brandman AS | Professional & scientific | 2004 |
| Brands by Sörgaard AS | Manufacturing | 2015 |
| Brandsberg Dahl AS | Professional & scientific | 1986 |
| Brandsberg-Dahl Eiendom AS | Real estate | 1986 |
| Brannrådgiveren AS | Professional & scientific | 2022 |
| Bras AS | Real estate | 2010 |
| Brasilia Stavanger AS | Hospitality | 2024 |
| Brastel AS | Information & communication | 2018 |
| Brathetland Holding AS | Health & social care | 2023 |
| Brattebøbekken Bolig AS | Real estate | 2024 |
| Brattåsveien 5B AS | | 2022 |
| Bravo Auto AS | Wholesale & retail | 2011 |
| BRB AS | Financial services | 2006 |
| Breakpodden AS | Wholesale & retail | 2024 |
| Bredal Larsen Holding AS | Financial services | 2017 |
| Breibakken 1 AS | Real estate | 2022 |
| Breidablikk Pizza AS | Hospitality | 2008 |