| Aasskogen Vann- Og Avløpsselskap AS | Water & waste | 2019 |
| Ace Eknes AS | Construction | 2021 |
| Alpha Ventues AS | | 2023 |
| Ao Maskindrift AS | Construction | 2023 |
| Badehotellet AS | Hospitality | 2021 |
| Bea AS | Wholesale & retail | 2016 |
| Bea Drift AS | Hospitality | 2023 |
| Betongform AS | Construction | 2014 |
| Bligründer AS | Education | 2023 |
| Duma Group AS | Wholesale & retail | 2023 |
| Duma Group Holding AS | Wholesale & retail | 2023 |
| Ecofric AS | Information & communication | 2020 |
| Elektro Og Automasjonsteknikk AS | Construction | 2013 |
| Engan Snekkeri AS | Manufacturing | 2005 |
| Feedelity Music AS | Arts & recreation | 2010 |
| FG Sundfør AS | Financial services | 2012 |
| Folkekuren AS | Education | 2021 |
| Freedom Farm AS | Real estate | 2005 |
| Hai AS | Water & waste | 2005 |
| Holmsbu Brygger AS | Real estate | 1989 |
| Holmsbu Båt & Motor AS | Real estate | 2010 |
| Holmsbu Drift AS | Construction | 2025 |
| Holmsbu Eiendomsutvikling AS | Real estate | 2005 |
| Holmsbu Haandverk AS | Construction | 2013 |
| Holmsbu Handel AS | Wholesale & retail | 2017 |
| Holmsbu HR Drift AS | Real estate | 2022 |
| Holmsbu Næringseiendom AS | Real estate | 1983 |
| Holmsbu Toget AS | Arts & recreation | 2022 |
| Holmsåsen Vann Og Avløp SA | Water & waste | 2015 |
| Hurum Maskinlag SA | Agriculture & fishing | 2008 |
| Hurumhonning AS | Agriculture & fishing | 2019 |
| Hverdagshjelpen Norge AS | Administrative & support | 2026 |
| Im Torstvedt Holding AS | | 2024 |
| Improve AS | Professional & scientific | 2004 |
| Indrehus Projects AS | Information & communication | 2022 |
| Industriholding AS | Real estate | 1992 |
| Ja-Ni Gravering AS | Manufacturing | 2013 |
| Juno Cafe AS | Hospitality | 1991 |
| Jørstad Tradisjonsbygg AS | Construction | 2025 |
| Lille Holding AS | | 2021 |
| Magdas Forretning AS | Wholesale & retail | 2026 |
| Moen Arnet Holding AS | | 2019 |
| Per Andre AS | Professional & scientific | 2002 |
| Privaten Café AS | Hospitality | 2007 |
| Pro Visjon AS | Wholesale & retail | 2015 |
| Profilering & Design AS | Professional & scientific | 2019 |
| Ravnsborg Gartneri Og Hagesenter AS | Agriculture & fishing | 2005 |
| Rip Eco AS | Other services | 2023 |
| Rivings Kompetanse AS | Construction | 2015 |
| Rødtangen Kro Og Dagligvare AS | Hospitality | 2014 |
| Sandtorv Invest AS | Wholesale & retail | 2013 |
| Schjøttelvik Båthavn SA | Arts & recreation | 2020 |
| Schjøttelvik Vannlag SA | Water & waste | 2019 |
| Schulestedet Holmsbu AS | Hospitality | 2021 |
| Security Service & Marina Ans | | 1991 |
| Soon Clima AS | Construction | 2004 |
| Studio Dugleik AS | Manufacturing | 2018 |
| Torstvedt AS | Wholesale & retail | 1998 |
| Torstvedt Holding AS | Wholesale & retail | 2005 |
| Tørre Tall AS | Professional & scientific | 2008 |
| Vill & Vakker AS | Wholesale & retail | 2024 |
| Åkerhagen AS | Real estate | 2005 |