| Bioprocess AS | Water & waste | 2016 |
| Birk Service AS | Wholesale & retail | 2020 |
| Birthe B AS | | 2021 |
| Bison Consulting AS | Manufacturing | 2004 |
| Bjarte Lyssand AS | Professional & scientific | 2017 |
| Bjerre Holding AS | | 2018 |
| BKT AS | | 2025 |
| Black Door Technology AS | Professional & scientific | 2020 |
| Black Door Ventures AS | Professional & scientific | 2020 |
| Blok Blok Energy Nuf | Information & communication | 2024 |
| Blådalen Eiendomsutvikling AS | Construction | 2011 |
| BM Eiendom AS | Real estate | 1970 |
| Bo-Bygg AS | Real estate | 1991 |
| Bolstad Biltransport | Transport & logistics | 1919 |
| Bosspress AS | Wholesale & retail | 2025 |
| Bovi Holding AS | Construction | 2021 |
| Braatveit Holding AS | | 2016 |
| Bris AS | | 1998 |
| Bruis Invest AS | Real estate | 2021 |
| Brun-Knudsen AS | | 2025 |
| BS Bemanning AS | Administrative & support | 2019 |
| Burger Boys Paradis AS | Hospitality | 2024 |
| Bus AS - Bergen Underwater Services | | 1989 |
| Butikkdrift Partners AS | Wholesale & retail | 2024 |
| Bvei 57 AS | Real estate | 2019 |
| By.Thale AS | Arts & recreation | 2022 |
| Bygg Og Betongsaging AS | Construction | 2019 |
| Byggmester Hitland AS | Construction | 1993 |
| Byggmester Jan H Tvedt AS | Construction | 1992 |
| Byggmester Trettsveen AS | Construction | 2002 |
| Byggoppdrag Vest & Alver Bygg AS | Construction | 2022 |
| Byggpartner Vest AS | Construction | 2022 |
| Byggsikring AS | Real estate | 2015 |
| Byport Internet Portaler Ans | Information & communication | 2000 |
| Bøtte Holding AS | | 2019 |
| Cabins AS | Real estate | 2026 |
| Call Consulting AS | Professional & scientific | 2018 |
| Camelia AS | Transport & logistics | 1995 |
| Camm Holding AS | | 2026 |
| Capeomega AS | Transport & logistics | 2010 |
| Carla Holding AS | | 2005 |
| Carter Holding AS | Financial services | 2014 |
| Castling Holding AS | Professional & scientific | 2020 |
| Casu AS | Real estate | 2011 |
| CBN Invest AS | Financial services | 2015 |
| Cebima AS | Professional & scientific | 2016 |
| Ceh Invest AS | Real estate | 2024 |
| Centiq AS | Real estate | 2015 |
| Central Bolig AS | Real estate | 2022 |
| Cepheus AS | Professional & scientific | 1998 |
| CG Capital AS | | 2021 |
| Champion Chemical AS | Transport & logistics | 2024 |
| Champion Chemical Eight AS | Transport & logistics | 2026 |
| Champion Chemical Five AS | Transport & logistics | 2024 |
| Champion Chemical Four AS | Transport & logistics | 2024 |
| Champion Chemical Holding AS | Transport & logistics | 2024 |
| Champion Chemical One AS | Transport & logistics | 2024 |
| Champion Chemical Seven AS | Transport & logistics | 2026 |
| Champion Chemical Six AS | Transport & logistics | 2024 |
| Champion Chemical Three AS | Transport & logistics | 2024 |
| Champion Chemical Two AS | Transport & logistics | 2024 |
| Champion Endurance AS | Transport & logistics | 2019 |
| Champion Eps Pool AS | Transport & logistics | 2026 |
| Champion Management AS | Professional & scientific | 2023 |
| Champion Pool AS | Transport & logistics | 2025 |
| Champion Shipping AS | Transport & logistics | 1993 |
| Champion Tankers and Partners AS | Transport & logistics | 2025 |
| Champion Tankers AS | Transport & logistics | 1999 |
| Champion Timur AS | Transport & logistics | 2018 |
| Chez Nous AS | Hospitality | 2026 |
| CHM Holding AS | | 2025 |
| Chris Maud Da | Wholesale & retail | 2009 |
| Christian Grevstad AS | Financial services | 2016 |
| Christian J Mohn AS | Health & social care | 1910 |
| Christine Hole Invest AS | Real estate | 2005 |
| Christoffer Nysæther Holding AS | | 2023 |
| City AS | Real estate | 2014 |
| City Contractor AS | Construction | 2017 |
| City Service Bergen AS | Transport & logistics | 2013 |
| Cjlien AS | Financial services | 2019 |
| Claims Services AS | Financial services | 2006 |
| CMC AS | | 2014 |
| CO2 Management AS | Professional & scientific | 2019 |
| Colts Holding AS | Wholesale & retail | 2022 |
| Colts Sting AS | Wholesale & retail | 2023 |
| Congyro AS | | 2014 |
| Cornea Services AS | Information & communication | 2015 |
| Cotidi AS | Wholesale & retail | 2005 |
| Cross Management AS | Real estate | 1989 |
| Cs-Eiendom Holding AS | | 1987 |
| Dahle Investments AS | Arts & recreation | 2023 |
| Dalbu Bygg AS | Construction | 2023 |
| Daleelva Eiendom AS | Real estate | 2008 |
| Dalseide & Fløysand AS | Real estate | 1996 |
| Dalseide Holding AS | | 2024 |
| Dark Blue AS | Information & communication | 2005 |
| Defi Technologies AS | Information & communication | 2024 |
| Det Dahlske Compagni AS | | 2023 |
| Devpace AS | Information & communication | 2008 |
| DF Accounting AS | Professional & scientific | 2019 |