| A. Midtbøen Elektro AS | Construction | 2009 |
| Accurat AS | Professional & scientific | 2014 |
| Advokat Inge M. Evja AS | Professional & scientific | 2017 |
| Arctic Sensing AS | Professional & scientific | 2025 |
| Aspire Flow AS | | 2025 |
| Atan Holding AS | Manufacturing | 2013 |
| B&W Eiendom AS | Real estate | 2016 |
| Balanzera AS | Other services | 2008 |
| Be Sørensen Spesialentreprenør AS | Transport & logistics | 2015 |
| Berg Nettsystemer AS | Information & communication | 2022 |
| Berge Kol Jernvare Ans | | 1990 |
| Berstad Holding AS | Real estate | 2020 |
| Bilteknikk Kviteseid AS | Other services | 2014 |
| Bjørgvin Vekst AS | Real estate | 2005 |
| Bjørkefall AS | Real estate | 2008 |
| Bjørn Tore Andersen Holding AS | | 2014 |
| Branko Hecimovic AS | Wholesale & retail | 2008 |
| Brokefjell AS | Administrative & support | 2026 |
| Brokefjell Invest AS | | 2022 |
| Brunkeberg Maskin AS | Construction | 2007 |
| Brunkeberg Utvikling AS | Real estate | 2022 |
| Bygningsmann AS | Construction | 2021 |
| Byrk AS | Education | 2019 |
| CLS Technology AS | Wholesale & retail | 2011 |
| Dalen Maskin AS | Construction | 1998 |
| Draugedal Holding AS | Information & communication | 2020 |
| Eikland Bygg AS | Construction | 2022 |
| Eikland Maskin AS | Construction | 2005 |
| Elkim AS | Wholesale & retail | 2025 |
| Em-Blá AS | Wholesale & retail | 2014 |
| Espedalen AS | Manufacturing | 2024 |
| Essens Hudpleieklinikk AS | Other services | 2025 |
| Finc AS | | 2016 |
| Fjellstad AS | | 1996 |
| Fjelltassen AS | Wholesale & retail | 2024 |
| Fjågesund Skogsdrift AS | Agriculture & fishing | 2010 |
| Fram-Syn Eigedom AS | Real estate | 2021 |
| Furuheim Hyttegrend AS | Real estate | 2008 |
| Furuheim Va-Drift AS | Water & waste | 2019 |
| Garverivegen 10 AS | Real estate | 2026 |
| Glenn Bakken Holding AS | | 2024 |
| God Jord Invest AS | | 2025 |
| Golf & Cabin Service AS | Arts & recreation | 2020 |
| Grestad Invest AS | Financial services | 2018 |
| Gullsmed Aabø AS | Wholesale & retail | 2000 |
| Guro Seim AS | Professional & scientific | 2014 |
| Haarstad Precision Products AS | Wholesale & retail | 2016 |
| Haatveit AS | Real estate | 2005 |
| Haatveit Eiendom AS | Real estate | 1996 |
| Hannes Hårpleie AS | Administrative & support | 2014 |
| Hauglid Eiendom AS | Real estate | 1992 |
| Haugo Entreprenør AS | Construction | 2016 |
| Haugo Invest AS | Construction | 2021 |
| Heggtveit Eigedom AS | Real estate | 2007 |
| HPP Holding AS | | 2022 |
| Hvitstir AS | Real estate | 2023 |
| Håre AS | | 2020 |
| Jansen Eiendom Og Invest AS | Real estate | 2007 |
| K S Utleige AS | Administrative & support | 2013 |
| KBV Holding AS | Real estate | 2016 |
| Kilen Smie & Blikkenslagerverkstad AS | Manufacturing | 2005 |
| Kiropraktor Kristin Haugan AS | Health & social care | 2020 |
| Knut Jønholt AS | Administrative & support | 1990 |
| Kozz Bygg AS | Construction | 2012 |
| KS Armering AS | Construction | 2026 |
| Kulturhuset Sundvang Ba | Real estate | 2005 |
| Kunst Og Utstyr AS | Arts & recreation | 2022 |
| Kuntz Konsulenter AS | Professional & scientific | 2020 |
| Kvit-Dent AS | Health & social care | 2012 |
| Kviteseid Auto AS | Wholesale & retail | 2012 |
| Kviteseid Bok Og Papir AS | Wholesale & retail | 2005 |
| Kviteseid Bryggekafe Og Turistinformasjon AS | Hospitality | 2021 |
| Kviteseid Glasservice AS | Construction | 2015 |
| Kviteseid Motorservice AS | Manufacturing | 1980 |
| Kviteseid Næringsbygg AS | Real estate | 2018 |
| Kviteseid Skogstransport Ans | Agriculture & fishing | 1991 |
| Kviteseid Transportservice AS | Transport & logistics | 1999 |
| Kviteseid Utvikling AS | Real estate | 2003 |
| Kviteseid Vaktmestertjenester AS | Administrative & support | 2024 |
| Kvitsund Gymnas AS | Education | 2005 |
| Landsverk Holding AS | Real estate | 2025 |
| Limitless Holding AS | | 2020 |
| Linblom AS | Wholesale & retail | 2022 |
| Lun-Vel AS | | 2026 |
| Lun-Vel Trevare AS | Wholesale & retail | 1990 |
| Lundegård Ans | Real estate | 2001 |
| Magnushommen Invest AS | Construction | 2005 |
| Midtbøen Blikkenslagerverkstad AS | Construction | 2011 |
| Miljø-Energi AS | Professional & scientific | 2010 |
| MK Anlegg AS | Construction | 2018 |
| Morgedal Bygdefestival AS | Arts & recreation | 2021 |
| Morgedal Gruppen AS | Real estate | 2018 |
| MRM Eigendom AS | Real estate | 2022 |
| MTM Eigedom AS | Construction | 2013 |
| Myranåsen AS | Professional & scientific | 2021 |
| Naturi AS | Wholesale & retail | 2023 |
| Nc-Spectrum AS | Information & communication | 2006 |
| Nemus Kviteseid AS | Health & social care | 2025 |
| Nettplattform AS | Information & communication | 2022 |
| Nimia AS | Information & communication | 2012 |