| A-L Holding AS | | 2018 |
| Andvik Maskin AS | Agriculture & fishing | 2007 |
| Ardente Brands AS | Wholesale & retail | 2025 |
| Arsbud Arkadiusz Szymanski | Construction | 2004 |
| Askjem Ans | Agriculture & fishing | 1995 |
| Askjer Eiendom AS | Real estate | 2017 |
| Askjer Holding AS | Transport & logistics | 2020 |
| Barkey Nordic AS | Wholesale & retail | 2015 |
| Ben.S Thaimat AS | Hospitality | 2022 |
| Bilbjørn Redning AS | Transport & logistics | 2003 |
| Bjerkesti Drift AS | Real estate | 2021 |
| Celt AS | Professional & scientific | 2015 |
| Celt Entreprenør AS | Real estate | 2010 |
| Conform Holding AS | | 2025 |
| Delks Skolekontor AS | Professional & scientific | 2024 |
| Døvik Regnskap AS | Professional & scientific | 2025 |
| Einilon AS | Professional & scientific | 2017 |
| Fagtre AS | Manufacturing | 1998 |
| Firma AS | Professional & scientific | 2014 |
| Fossmech AS | Professional & scientific | 2015 |
| Freitag Invest AS | | 2022 |
| Førermøte AS | Information & communication | 2022 |
| Galik Bygg AS | Construction | 2014 |
| Geo Eiendom AS | Real estate | 2016 |
| Geostrøm AS | Professional & scientific | 2016 |
| Geostrøm Maskin AS | Administrative & support | 2017 |
| Germitech AS | Wholesale & retail | 2001 |
| Grøstad Eiendom AS | | 2005 |
| Grøstad Hundesenter AS | Other services | 2026 |
| Gunnar Torsheim AS | Agriculture & fishing | 2014 |
| Hage Og Byggservice AS | Construction | 2023 |
| Hasle Melkesamdrift Da | Agriculture & fishing | 2006 |
| Heum Korn Da | Agriculture & fishing | 2009 |
| Heum Motorsport AS | Arts & recreation | 2022 |
| Intershop Holding AS | Real estate | 2007 |
| Jada Styling AS | Construction | 2019 |
| John TH Thollefsen AS | Transport & logistics | 1998 |
| Knudstad Eiendom AS | Real estate | 2016 |
| Knudstad Holding AS | Professional & scientific | 2016 |
| LKL Consulting AS | Professional & scientific | 2025 |
| Meyer Campingservice AS | Wholesale & retail | 2021 |
| Naturbauweisen Dipl.Ing.(Fh) Michael Rohde | Professional & scientific | 2006 |
| Nova Enginera AS | Professional & scientific | 2023 |
| Nova Tinn AS | | 2025 |
| Olav Askjer Kran & Transport AS | Transport & logistics | 2023 |
| Onion Invest AS | | 2024 |
| Otg Eiendom AS | Real estate | 2016 |
| Otg Holding AS | Real estate | 2016 |
| Peders Holding AS | Construction | 2019 |
| Pene Rom Boligstyling AS | Professional & scientific | 2019 |
| Pene Rom Shop AS | Wholesale & retail | 2022 |
| Provolt AS | Construction | 2025 |
| Quinne AS | | 2021 |
| Ravneveien 4 AS | Real estate | 2000 |
| S.F.Biler AS | Wholesale & retail | 2009 |
| Sierha AS | Wholesale & retail | 1987 |
| Solberg Kran Og Transport AS | Transport & logistics | 2014 |
| Svenn-Maskin & Rørservice AS | Construction | 2014 |
| Torgeir Døvik Holding AS | Professional & scientific | 2024 |
| Torgeir Lindvig AS | Health & social care | 2013 |
| Trivag AS | Professional & scientific | 2024 |
| Tutthuset AS | Real estate | 2005 |
| Tytan Entreprenør AS | Construction | 2026 |
| Undrumshøy Eiendom AS | Real estate | 2005 |
| Undrumshøy Holding AS | Real estate | 2005 |
| Varmeøkonomi AS | Wholesale & retail | 2013 |
| Vestfold Avløpsrensing AS | Construction | 2017 |
| Vestfold Miljø Prosess AS | Construction | 2019 |
| Wave Prosjekt AS | Professional & scientific | 2022 |