| Aga Østerskompani AS | Agriculture & fishing | 2010 |
| Aim Consulting AS | Information & communication | 2025 |
| Aism Holding AS | Real estate | 2013 |
| Ajs Holding AS | | 2005 |
| Ak Marine AS | Transport & logistics | 2010 |
| Alf Magnar Alvsvåg AS | Financial services | 2005 |
| Alfsvåg Holding AS | | 2022 |
| Alvsvåg Fiskeri AS | Agriculture & fishing | 2022 |
| Alvsvågvegen Eiendom AS | Real estate | 1971 |
| Amble Forskaling AS | Construction | 2012 |
| Andreas Lønning Invest AS | Financial services | 2012 |
| AS Barytt-Transport | Transport & logistics | 1980 |
| AS Bygg Prosjekt | Construction | 1987 |
| AS M Haldorsen Handel | Real estate | 1953 |
| AS Sortland & Co | Real estate | 1984 |
| AS Sortlandbygget | Real estate | 1985 |
| AS Vestfrakting | Transport & logistics | 1970 |
| Ast Utleie AS | Administrative & support | 2013 |
| Atlantic Harvest AS | | 2021 |
| Auj Holding AS | Financial services | 2016 |
| B Innvær AS | Manufacturing | 1987 |
| B&G Vest AS | Construction | 1997 |
| Backline Voss AS | Arts & recreation | 2020 |
| Badstunorge AS | Wholesale & retail | 2024 |
| Bassengje AS | Real estate | 2018 |
| BB Utbygging AS | Real estate | 2023 |
| Bil & Motorservice AS, Bømlo | Other services | 2005 |
| Bleikehidleren AS | Construction | 2016 |
| Bleikehidleren Invest AS | | 2018 |
| Bling AS | | 2022 |
| BM Holding AS | Real estate | 2003 |
| BM Management AS | Real estate | 2019 |
| Bremnes Auto AS | Other services | 1988 |
| Bremnes Eiendom AS | Real estate | 1991 |
| Bremnes Forretningsbygg Da | Real estate | 1985 |
| Bremnes Innkjøpslag SA | Wholesale & retail | 1985 |
| Bremnes Seashore AS | Wholesale & retail | 1983 |
| Bremnes Taxi AS | Transport & logistics | 1993 |
| Bremnes Utleiebygg AS | Real estate | 1984 |
| Busthorn AS | Real estate | 2014 |
| Byggklart AS | Professional & scientific | 2026 |
| Bømlakortet AS | Professional & scientific | 2001 |
| Bømlo Bygdeservice SA | Construction | 2002 |
| Bømlo Byggservice AS | Construction | 1989 |
| Bømlo Drift Og Eiendomsservice Da | Administrative & support | 2026 |
| Bømlo Farge & Miljø AS | Wholesale & retail | 1984 |
| Bømlo Fiskerihavn AS | Real estate | 2024 |
| Bømlo Golfsenter AS | Administrative & support | 2021 |
| Bømlo Gravferdsbyrå AS | Other services | 2012 |
| Bømlo Hjem Og Fritid AS | Wholesale & retail | 2021 |
| Bømlo Hundepensjonat AS | Other services | 2016 |
| Bømlo Hus AS | Real estate | 2003 |
| Bømlo Hus Bygg AS | Real estate | 2012 |
| Bømlo Jernvare AS | Wholesale & retail | 1997 |
| Bømlo Kommunale Eigedomsselskap AS | Real estate | 2008 |
| Bømlo Kraftnett AS | Energy | 2019 |
| Bømlo Malerservice AS | Construction | 2015 |
| Bømlo Mesterbygg Eiendom AS | Real estate | 2018 |
| Bømlo Mesterrør AS | Construction | 2018 |
| Bømlo Optikk AS | Wholesale & retail | 1993 |
| Bømlo Osteopati AS | Health & social care | 2022 |
| Bømlo Profil AS | Wholesale & retail | 2023 |
| Bømlo Undervannsservice AS | Professional & scientific | 2023 |
| Bømlo Utbygging AS | Real estate | 2016 |
| Bømlo Uteliv AS | Hospitality | 2016 |
| Bømlo Vatn Og Avløpsselskap AS | Water & waste | 2002 |
| Bømlo-Nytt AS | Information & communication | 2008 |
| C.A.K.E Invest AS | Professional & scientific | 2013 |
| Cardgems AS | Wholesale & retail | 2025 |
| Christensen Invest AS | Real estate | 2022 |
| Clear Ocean AS | Manufacturing | 2015 |
| Dalaneset AS | Real estate | 2018 |
| Dekkinvest AS | Administrative & support | 2022 |
| Det Norske Havkjøkken AS | Agriculture & fishing | 1999 |
| Djùpr AS | Professional & scientific | 2025 |
| DL Bygg Bømlo AS | Construction | 2020 |
| Dua Invest AS | Real estate | 2018 |
| Elektronikk Butikken Bømlo AS | Wholesale & retail | 2010 |
| Espevold Eiendom AS | Real estate | 2022 |
| Espevold Holding AS | | 2020 |
| Espevold Invest AS | | 2019 |
| Evertsen Kirkeleit Gruppen AS | Information & communication | 2024 |
| Evertsen Kirkeleit Tech Solutions AS | Information & communication | 2024 |
| Fellesfjøset Gilje & Aga Da | Agriculture & fishing | 1997 |
| Feriepartner AS | Real estate | 2015 |
| Finnås Kraftlag AS | Energy | 2019 |
| Finnås Kraftlag SA | Energy | 1946 |
| Framcom AS | Information & communication | 1999 |
| Fremskridt Invest AS | | 2024 |
| Fremskridt Laks AS | Agriculture & fishing | 2011 |
| Future Marine Solutions AS | Professional & scientific | 2019 |
| Fylkesnes Eigedom AS | Real estate | 2020 |
| Fylkesnes Fisk AS | Agriculture & fishing | 2014 |
| Fylkesnes Holding AS | Agriculture & fishing | 2015 |
| Fylkesnes Invest AS | Agriculture & fishing | 2015 |
| Global Green Profile AS | Professional & scientific | 2020 |
| Goddosen Panorama AS | | 2017 |
| Grindafjord Kafe AS | Hospitality | 2016 |
| Grønnevik Transport AS | Transport & logistics | 1978 |
| GS81 Invest AS | Real estate | 2005 |