| Aase Trearbeid AS | Construction | 2022 |
| Aasen Og Skjervik Holding AS | Hospitality | 2021 |
| Adams Frisør AS | Other services | 2024 |
| Adaptiv Arkitektur AS | Professional & scientific | 2010 |
| Adt AS | Real estate | 2022 |
| Ajo Holding AS | Financial services | 2005 |
| Alf Johansen AS | Construction | 1980 |
| Apex VVS AS | Construction | 2026 |
| Arne Bjørn Øygarden Holding AS | | 2022 |
| AS Investering | Real estate | 1978 |
| Aspit AS | Information & communication | 2001 |
| Astono AS | Professional & scientific | 1999 |
| At Sport & Media AS | Professional & scientific | 2024 |
| Atelier Aase Seljord Husflid AS | Arts & recreation | 2020 |
| Autopartner Seljord AS | Other services | 2000 |
| Autostrada Seljord AS | Wholesale & retail | 2021 |
| Berge Vedlikehold AS | Administrative & support | 2023 |
| Bo-Senteret A/S | Wholesale & retail | 1987 |
| Boinnova AS | Real estate | 2014 |
| Borgin Holding AS | Real estate | 2006 |
| Brattefjell Gruppen AS | Real estate | 2022 |
| Bringsås Holding Og Eiendom AS | Real estate | 2019 |
| Brødrene Hoff Da | Agriculture & fishing | 1994 |
| Brødrene Ståland Transport AS | Transport & logistics | 2008 |
| Brøløs Holding AS | | 2022 |
| Brøløsvegen 7 AS | Real estate | 2021 |
| BTH Eigendom AS | Real estate | 2022 |
| Budeia AS | Hospitality | 2012 |
| Charm's Kinamat AS | Hospitality | 2016 |
| Countryfestivalen Seljord AS | Arts & recreation | 1998 |
| D&K Tveiten AS | Real estate | 2005 |
| Din Kompanjong AS | Professional & scientific | 2014 |
| Driftsassistansen Aust-Agder SA | | 2026 |
| Driftsassistansen Telemark SA | Water & waste | 2026 |
| Dyrsku'N Arrangement AS | Administrative & support | 1996 |
| Dyrskuvegen 4 AS | Real estate | 2021 |
| Dyrud Eigedom AS | Construction | 1987 |
| Dyrud Elektro AS | Construction | 1999 |
| E & E Holding AS | Real estate | 2005 |
| Eh Invest AS | Real estate | 2005 |
| Eikaasen AS | | 2025 |
| Eivindshaug Invest AS | Construction | 2021 |
| Era Beauty Norway AS | Wholesale & retail | 2021 |
| Evelyns Magasin AS | Wholesale & retail | 1970 |
| Evensen Og Sønner AS | Real estate | 2020 |
| Flatland & Berge AS | Administrative & support | 2026 |
| Flatland Holding AS | Wholesale & retail | 2005 |
| Forberg Utleie AS | Real estate | 2018 |
| Frøken Fin AS | Wholesale & retail | 2011 |
| Garvikstranda Camping AS | Hospitality | 1989 |
| Granvin Kulturhus AS | Arts & recreation | 2013 |
| Grave Oppmåling AS | Professional & scientific | 2023 |
| Grimstvedt AS | Construction | 2020 |
| Grimås Service Da | Administrative & support | 2000 |
| Gundersen Transport AS | Water & waste | 1988 |
| Haugan Regnskapskontor AS | Professional & scientific | 1986 |
| Haugsel AS | Professional & scientific | 2021 |
| Hel Mettan's AS | Wholesale & retail | 2020 |
| Hjalarhornet Radio AS | Information & communication | 1995 |
| Hot Lyd Da | Arts & recreation | 2009 |
| Hovstø Eiendom AS | Real estate | 2026 |
| Hovuduk Kraftverk AS | Energy | 2006 |
| Hø Invest AS | | 2020 |
| Hølland Maskin AS | Construction | 2017 |
| Imb Service AS | Manufacturing | 2012 |
| Impen Tech AS | Information & communication | 2026 |
| Ingelstad & Stenstad Eiendom AS | Hospitality | 2013 |
| Izitrend AS | Wholesale & retail | 1998 |
| Jan Ivar Øygarden AS | Wholesale & retail | 2012 |
| Jan Ivar Øygarden Holding AS | | 2023 |
| Jarle Ståland Transport AS | Transport & logistics | 2000 |
| Jaøh Holding AS | Construction | 2025 |
| JBS Handel AS | Hospitality | 2006 |
| Jon Aarbakk Rådgjeving AS | Professional & scientific | 2022 |
| Jos Eiendom Og Invest AS | Real estate | 2024 |
| Jos Holding AS | Real estate | 2005 |
| Juni Johansen Invest AS | | 2026 |
| Jusys Salg Og Service AS | Other services | 2012 |
| Keyope AS | | 2024 |
| Kilen Camping AS | Hospitality | 2020 |
| Kivle Konsulent AS | Professional & scientific | 2025 |
| Kløvjehaugan Invest AS | Financial services | 2006 |
| Kvennhusåi Kraftverk AS | Energy | 1997 |
| Kvålseth Trafikkskule AS | Education | 2014 |
| Kvålseth Utleige AS | Administrative & support | 2017 |
| Lauvstad Holding AS | Wholesale & retail | 2017 |
| Lauvstad Invest AS | Real estate | 2001 |
| Lavine AS | Information & communication | 2018 |
| Lomodden Utvikling AS | Real estate | 2020 |
| Lyngholm AS | Wholesale & retail | 2022 |
| Lyngholm Retail AS | Wholesale & retail | 2022 |
| Løken Og Groven Tannlegesenter AS | Health & social care | 2015 |
| Løken Tannlegekontor AS | Health & social care | 2005 |
| Manheimstrondi Skogsbilveglag SA | Real estate | 1989 |
| Mevind Holding AS | Professional & scientific | 2001 |
| Meås Holding AS | | 2023 |
| Miljøsenteret Eigedom AS | Real estate | 2005 |
| MK Utvikling AS | | 2026 |
| Morgedal Eigendom AS | Real estate | 2013 |
| Muspellsheim AS | | 2025 |