| A-Shield AS | | 2021 |
| Aaleskjær Elektro AS | Construction | 2022 |
| Aamodt-Johansen Holding AS | Financial services | 2018 |
| Ab-Tuning Da | Other services | 2006 |
| Ac Experience AS | Administrative & support | 2018 |
| Ada Invest AS | Real estate | 2013 |
| Adale AS | Real estate | 2020 |
| Advokatfirmaet Husaas AS | Professional & scientific | 2017 |
| Agris Byggtjeneste Nuf | Construction | 2013 |
| Ak&Js Invest AS | | 2024 |
| Aksjeinvest AS | Real estate | 2006 |
| Alvedrømmer AS | Wholesale & retail | 2015 |
| Andersen Prosjekt AS | Professional & scientific | 2021 |
| Anfin AS | Administrative & support | 2026 |
| Arjo Holding AS | Education | 2011 |
| Arntzen & Varan Eiendom AS | Real estate | 2020 |
| AS Garnberget | Hospitality | 1988 |
| Asmaløy Bygg AS | Construction | 2015 |
| Astrid Og Erna AS | Hospitality | 2026 |
| Axel CH. Dahlgren AS | Construction | 2020 |
| B.G. Invest AS | Financial services | 2005 |
| Back IT Up AS | Information & communication | 2012 |
| Back IT Up Avd Oslo AS | Information & communication | 2025 |
| Bakeon AS | Manufacturing | 2026 |
| Bankerød Gård AS | Real estate | 2009 |
| Basic Home AS | Real estate | 2018 |
| Basic Invest AS | Professional & scientific | 2005 |
| Basic Montasje AS | Professional & scientific | 2016 |
| Basto Veilag SA | Real estate | 1996 |
| Bedre Resultater AS | Professional & scientific | 2005 |
| Belizama AS | Education | 2016 |
| Bingeberget Vann- Og Avløpslag SA | Water & waste | 2009 |
| Bjørn Breien AS | Real estate | 2005 |
| Bloom Invest AS | Wholesale & retail | 2004 |
| Braseth Holding AS | Information & communication | 2013 |
| Brattestø Havn Og Båtservice AS | Transport & logistics | 2013 |
| Brua-Bua AS | Administrative & support | 2018 |
| Bryggeriet På Hvaler AS | Manufacturing | 2020 |
| Brødrene Holter Holding AS | Real estate | 2021 |
| Bunes Dagligvare AS | Wholesale & retail | 2015 |
| Buyandread AS | Information & communication | 1998 |
| Byggvest AS | Construction | 2005 |
| Børresen Holding AS | Real estate | 2006 |
| Cloudberry Holding AS | | 2020 |
| Cloudberry Investment AS | Professional & scientific | 2021 |
| Cumulus Support AS | Information & communication | 2014 |
| Danielsen Eiendomsutvikling AS | Real estate | 2012 |
| Dingo AS | Health & social care | 2016 |
| Dingo Medica AS | Health & social care | 2017 |
| Eiendomstilsynet AS | Professional & scientific | 2010 |
| Elektrikon AS | Professional & scientific | 2014 |
| Elektrokonsulenten AS | Construction | 2005 |
| Enghagen AS | Professional & scientific | 2026 |
| Erma Tak Og Fasade AS | Construction | 2015 |
| Esmama Holding AS | Real estate | 2014 |
| Evensen Maritime Invest AS | Real estate | 2022 |
| Ferdaminne AS | Administrative & support | 2025 |
| Finans I Fjæra AS | | 2024 |
| Fiskernes Eiendom Papper SA | Real estate | 2011 |
| Fjordfisk AS | Wholesale & retail | 1989 |
| Floisbonn AS | Professional & scientific | 2021 |
| Freberg AS | Professional & scientific | 2025 |
| Fredheim Ø&E AS | Real estate | 2019 |
| Fredrikstad Snekkerservice AS | Construction | 2011 |
| Fremtidsfrue AS | Administrative & support | 2018 |
| Futurelab AS | Professional & scientific | 2012 |
| Geodome Norge AS | Construction | 2017 |
| Graham Invest AS | Financial services | 2015 |
| Grønnetkilen 2 AS | Real estate | 2022 |
| Gullfugl AS | Wholesale & retail | 2007 |
| Hagmann Eiendom & Utleie AS | Real estate | 2023 |
| Halvor De Flon AS | | 2025 |
| Harridsleff Invest AS | Financial services | 2007 |
| Harridsleff Productions AS | Information & communication | 2024 |
| Havfruen Blomster AS | Wholesale & retail | 2007 |
| Havna Gård AS | Agriculture & fishing | 2018 |
| Hennie Holding AS | | 2021 |
| Henning Sørum Holding AS | | 2013 |
| Hentin Holding AS | Manufacturing | 2022 |
| Herføl Marina AS | Wholesale & retail | 1996 |
| Hiform AS | Professional & scientific | 2009 |
| Hjem Presno AS | Real estate | 2021 |
| Hufsa Invest AS | | 2025 |
| Huser Forvaltning AS | Health & social care | 2009 |
| Huser Gårdsbarnehage AS | Education | 2010 |
| Huser Trading AS | Hospitality | 2014 |
| Hvaler Boligutvikling AS | Real estate | 2014 |
| Hvaler Bygg Entreprenør AS | Construction | 2005 |
| Hvaler Båt & Motor AS | Manufacturing | 2008 |
| Hvaler Båtservice AS | Manufacturing | 2008 |
| Hvaler Båtservice Da | Arts & recreation | 2006 |
| Hvaler Camping AS | Hospitality | 1995 |
| Hvaler Hytteservice AS | Administrative & support | 2026 |
| Hvaler Håndverk 2 AS | Construction | 2026 |
| Hvaler Håndverk AS | Construction | 2012 |
| Hvaler Kunstvilla AS | Arts & recreation | 2025 |
| Hvaler Marinesenter AS | Transport & logistics | 2017 |
| Hvaler Mur & Flis AS | Construction | 2024 |
| Hvaler Open AS | Administrative & support | 2024 |
| Hvaler Rørleggerbedrift AS | Construction | 2000 |