| Aho Invest AS | Real estate | 2005 |
| Aktiv Park AS | Professional & scientific | 2017 |
| Amtmanden Invest AS | Real estate | 1994 |
| Anchiano Capital AS | Professional & scientific | 2019 |
| Andebuveien 63 AS | | 2010 |
| Annuity AS | | 2023 |
| Arkitektoriet AS | Professional & scientific | 2018 |
| Artisan Takst Bygg Og Eiendom AS | Construction | 2024 |
| B Braun Medical AS | Wholesale & retail | 1978 |
| Barnehagelaget AS | Administrative & support | 2022 |
| BB Capital AS | Manufacturing | 2005 |
| Bedreviteriet Holding AS | | 2025 |
| Bensinstasjonseiendom AS | Real estate | 1999 |
| Brevpartner AS | Information & communication | 1996 |
| Bryggelaget På Tørkopp SA | Real estate | 2001 |
| Bull & Storli Consult AS | Professional & scientific | 2018 |
| Byens Malerfirma AS | Construction | 2023 |
| Bygg & Fasade 365 AS | Construction | 2024 |
| Byggmester Torgeir Kjellemo AS | Construction | 2006 |
| Cafe Artemis, Liv & Lars Gran Ans | Hospitality | 1995 |
| Camper Holding AS | Wholesale & retail | 2024 |
| Ceonor AS | Professional & scientific | 2002 |
| Ceonor Invest AS | Professional & scientific | 2014 |
| CHH Invest AS | Financial services | 2005 |
| Digispace AS | Information & communication | 2016 |
| DR. Brevig AS | Health & social care | 2005 |
| DR. Erik Dragset Schrøder AS | Health & social care | 2024 |
| Dybbis AS | | 2022 |
| Dybbis Eiendom AS | Real estate | 2026 |
| Edmio AS | Education | 2018 |
| Edmio Holding AS | Education | 2024 |
| Edpay AS | Information & communication | 2024 |
| Ekebakken AS | Real estate | 2012 |
| Engers Malerfirma AS | Construction | 2022 |
| Eva Lisa Holding AS | | 2020 |
| Fasade 365 AS | Construction | 2026 |
| Fibn AS | Professional & scientific | 2014 |
| First Molar AS | Health & social care | 2016 |
| Fold Malerservice AS | Construction | 2019 |
| Funkis Eiendom AS | Real estate | 2006 |
| Furuhaug Holding AS | Wholesale & retail | 2005 |
| Færder Holding AS | Real estate | 2005 |
| Færder Økonomiservice AS | Professional & scientific | 2019 |
| G7 Gruppen AS | Real estate | 2006 |
| Gjelsås Eiendom AS | Real estate | 1980 |
| Gjermundsen Corporate AS | Real estate | 2008 |
| Gjermundsen Drift AS | Real estate | 2008 |
| Gjermundsen Holding AS | Real estate | 2011 |
| GP Invest AS | Real estate | 2005 |
| Grand Line Capital AS | | 2025 |
| Gullbrand Invest AS | | 2026 |
| Hamloren AS | | 2026 |
| Heca Utvikling AS | Education | 2020 |
| Helmsman AS | Wholesale & retail | 2020 |
| Hipsterkaffe AS | Wholesale & retail | 2018 |
| Hken AS | Professional & scientific | 2018 |
| Holdit AS | Information & communication | 2002 |
| Hoyer Invest AS | | 2025 |
| Hundremeterskogen Barnehage, Nøtterøy Da | Education | 2002 |
| Husfornying Holding AS | Construction | 2023 |
| Hverdagshjelpen Da | Administrative & support | 2025 |
| Håhahi AS | Financial services | 2024 |
| HÅHAHI2 AS | | 2026 |
| Inwa AS | Professional & scientific | 2019 |
| JBC Bygg Tønsberg AS | Construction | 2023 |
| Jenko AS | Real estate | 2005 |
| JGG Holding AS | Real estate | 2007 |
| JRP Holding AS | | 2020 |
| JSC Tarron Operating Ltd | Professional & scientific | 2007 |
| Julies Hestetransport AS | Transport & logistics | 2025 |
| Kalmar Bygg AS | Construction | 2023 |
| Kap Bygg AS | Construction | 2025 |
| Karl Erik Rør AS | Construction | 2016 |
| Kilen Nord AS | Real estate | 2011 |
| Kpa Holding AS | | 2025 |
| Lars Vann- Og Avløpslag SA | Water & waste | 2011 |
| Lille-Fauskevåg 104 AS | Real estate | 2026 |
| Lissom Keramikk & Håndverk AS | Manufacturing | 2026 |
| Lyche Holding AS | Administrative & support | 2024 |
| Lyche Service AS | Administrative & support | 2024 |
| Låne AS | Information & communication | 2019 |
| Løvf Invest AS | | 2023 |
| M & F Systemer AS | Wholesale & retail | 1984 |
| Magnar Lunde Eiendom AS | Real estate | 2006 |
| Marte GB Holding AS | | 2020 |
| Mavi Consulting AS | Professional & scientific | 2024 |
| Mikuna AS | | 2026 |
| Munkholmen Holding AS | Financial services | 2005 |
| Norges Eiendom AS | Real estate | 2006 |
| Nova IT AS | Information & communication | 2025 |
| Nplol AS | Professional & scientific | 2018 |
| Nybakke Holding AS | Real estate | 2010 |
| Nyberg Skilt Og Dekor AS | Professional & scientific | 2019 |
| Nøtterøy Båthotell AS | Real estate | 2024 |
| Nøtterøy Dør Og Vindus- Forretning AS | Wholesale & retail | 2001 |
| Nøtterøy Golf Klubbhus AS | Real estate | 2010 |
| Nøtterøy Helsesenter AS | Real estate | 2019 |
| Nøtterøy Kooperativ SA | Wholesale & retail | 2016 |
| Nøtterøy Tannhelse AS | Health & social care | 2007 |
| Octagone Ans | Professional & scientific | 2002 |