| Aamli Klipperi AS | Other services | 2013 |
| Andersen's Kolonial AS | Wholesale & retail | 2011 |
| Beauty by Silje AS | Other services | 2025 |
| Bergtun Hotell AS | Real estate | 2020 |
| Boqui Moreller Gard AS | Agriculture & fishing | 2025 |
| Braga Eiendom AS | Real estate | 2019 |
| Bratt Norge AS | Administrative & support | 2016 |
| Bratt Redning AS | Education | 2022 |
| Brokke Panorama AS | Real estate | 2011 |
| Brottveit Eigedom AS | Transport & logistics | 2016 |
| Brødrene Tveiten Maskin AS | Construction | 2019 |
| Dalsmo AS | Manufacturing | 2022 |
| Hasla AS | Manufacturing | 1996 |
| Haugen Bygg-Service AS | Construction | 2006 |
| Homme Fiskelag | Real estate | 1987 |
| Hylesdalsvegen SA | Real estate | 1979 |
| Inventer AS | Manufacturing | 2023 |
| Kjelleberg AS | Wholesale & retail | 2022 |
| Kovida AS | Professional & scientific | 1988 |
| Landowners AS | Professional & scientific | 2014 |
| Løyland Byggservice AS | Construction | 2022 |
| Mitt Setesdal AS | Professional & scientific | 2016 |
| Murerfirma Oddvar Homme AS | Construction | 2021 |
| Nomelandsmoen Eigedom AS | Real estate | 2019 |
| Nordibø 1 AS | Real estate | 2018 |
| Nordibø Bygdeservice AS | Agriculture & fishing | 2015 |
| Nordibø Landhandel AS | Hospitality | 2017 |
| Norstill AS | Manufacturing | 2019 |
| Okb Invest Ltd Nuf | Construction | 2008 |
| Plankontoret Hallvard Homme AS | Professional & scientific | 1995 |
| Røyso AS | Real estate | 2022 |
| Setesdal Austhei Villreinlag SA | Agriculture & fishing | 1991 |
| Setesdal Eira AS | Wholesale & retail | 2025 |
| Setesdal Hud Og Velvære AS | Other services | 2024 |
| Setesdal Husflid SA | Manufacturing | 1966 |
| Setesdal Regnskap AS | Professional & scientific | 2025 |
| Setesdalstunet AS | Real estate | 1998 |
| Setesdalsylv Eigedom AS | Manufacturing | 1989 |
| Skoter Racing Da | Administrative & support | 2001 |
| Støylsvegen Veglag SA | Real estate | 2025 |
| Svalestuen AS | Financial services | 2005 |
| Systog Dale Produksjoner AS | Arts & recreation | 2019 |
| Tveitebø Anlegg AS | Construction | 2013 |
| Valle Bil & Maskin AS | Other services | 2013 |
| Valle Handel AS | Real estate | 2020 |
| Valle Husflidsbygg AS | Real estate | 1993 |
| Valle Motell Og Camping AS | Hospitality | 2009 |
| Valle Sport AS | Wholesale & retail | 2015 |
| Vest Oveinang Jaktlag | Arts & recreation | 1999 |
| Visit Setesdal AS | Administrative & support | 2023 |
| Valle Sparebank | Financial services | 1865 |
| Wadi AS | Real estate | 2005 |
| Åmli Og Berg Grunneierlag SA | Real estate | 2017 |
| Åmli, Bø Og Berg Elgjaktlag SA | Arts & recreation | 2016 |
| Åmli, Bø Og Berg Grunneierlag SA | Agriculture & fishing | 2016 |
| Øyne Maskin AS | Construction | 2025 |