| 319 Holding AS | Manufacturing | 2025 |
| Aa Berge Invest AS | Professional & scientific | 2016 |
| Aa Innova AS | Professional & scientific | 2008 |
| Aa-Djupvik Invest AS | Financial services | 2005 |
| Aa-Djupvik Invest II AS | | 2024 |
| Anne Berit Selle AS | Professional & scientific | 2021 |
| Arve Aasen Transport AS | Transport & logistics | 2008 |
| Brodrene Aa (Hong Kong) Limited Norwegian Branch | | 2016 |
| Brødrene Aa AS | Manufacturing | 1994 |
| Brødrene Aa Eiendom AS | Real estate | 1992 |
| Brødrene Aa Eiendom Holding AS | | 2025 |
| Brødrene Aa Hyen AS | Manufacturing | 2025 |
| Bukvien Enterprises AS | Professional & scientific | 2026 |
| Eimhjellen Maskin Da | Agriculture & fishing | 2024 |
| Eliane AS | | 2021 |
| Eljasane AS | Financial services | 2005 |
| Erik Ommedal Holding AS | | 2023 |
| Fagforeiningsklubben Hjå Brødrene Aa | Other services | 1971 |
| Fjellro Invest AS | Financial services | 2005 |
| Gjengedal Innkjøpslag SA | Wholesale & retail | 1995 |
| Gjesdal Eiendommer Da | Construction | 2006 |
| Holme Beitelag Ba | Agriculture & fishing | 2003 |
| Hope Energi AS | Energy | 2003 |
| Hyen Bygg AS | Construction | 2001 |
| Hyen Fisk AS | Agriculture & fishing | 2017 |
| Hyen Fisk Holding AS | Agriculture & fishing | 2021 |
| Hyen Investering AS | Financial services | 1996 |
| Hyen Rekneskap AS | Professional & scientific | 2001 |
| Hyen Samfunnshus SA | Real estate | 1978 |
| Hyen Transport AS | Administrative & support | 2011 |
| Hyen Vassverk SA | Water & waste | 1995 |
| Johaugen Samdrift Da | Agriculture & fishing | 2005 |
| Kaiman AS | Professional & scientific | 2022 |
| Kleppenes Invest AS | | 2005 |
| Legal Composite Workforce AS | Administrative & support | 2026 |
| Magnar Heimset Holding AS | | 2023 |
| Midtvegen 615 AS | Other services | 2013 |
| Nesholmen Drift AS | Hospitality | 2013 |
| Nesjane Eiendom AS | Real estate | 2018 |
| Ommedal Grunneigarlag SA | Real estate | 2014 |
| Ottar Arne Aa AS | Financial services | 2005 |
| Rasmustunet AS | Financial services | 2005 |
| Rongkleiv Kraft AS | Energy | 2005 |
| Røyrvik Og Rønnekleiv Sankelag | Agriculture & fishing | 1970 |
| Stabbursliv AS | Hospitality | 2015 |
| Straume Investering AS | Administrative & support | 2021 |
| Straume Maskinutleige AS | Administrative & support | 2021 |
| Torinvest AS | Financial services | 2005 |
| Torleiv Straume AS | Construction | 2013 |
| Turihaug AS | Financial services | 2005 |
| Utsyn Gard AS | Financial services | 2005 |
| Vesterås Tech AS | Information & communication | 2026 |
| Vestre Hyen Grunneigarlag SA | Real estate | 1963 |
| Vestre Hyen Storvald SA | Agriculture & fishing | 2004 |