| A&C Oslo AS | Wholesale & retail | 2019 |
| A. Skarstein Holding AS | | 2021 |
| Aa-Gruppen AS | Wholesale & retail | 2020 |
| Aass-Kam Invest AS | Financial services | 2015 |
| Actavis Group PTC Ehf. | Wholesale & retail | 2007 |
| Advice Accounting AS | Professional & scientific | 2023 |
| Agastya AS | Health & social care | 2024 |
| Ago Landskap AS | Professional & scientific | 2025 |
| Ailogic AS | Professional & scientific | 2025 |
| Aktieselskapet Råstoff | Real estate | 1932 |
| Aqua Unique Norge AS | Wholesale & retail | 1995 |
| Aqua Unique Production AS | Manufacturing | 2009 |
| Aqua Victoria AS | Professional & scientific | 2007 |
| AS Majetic Rør Og Bygg | Construction | 2014 |
| AS Optima Rådgivning | Professional & scientific | 1988 |
| AS Transport & Tollservice | Transport & logistics | 1970 |
| Asent Gruppen AS | | 2016 |
| Asisa Invest AS | Information & communication | 2015 |
| Askama AS | Information & communication | 2021 |
| Askamaai AS | | 2026 |
| Askamaspv AS | | 2025 |
| Aspendos Pizza Da | Hospitality | 2005 |
| Atari AS | Professional & scientific | 2016 |
| Aurdel Norway AS | Wholesale & retail | 2011 |
| Automatpack AS | Administrative & support | 1989 |
| Autonome Hjem AS | Information & communication | 2019 |
| Autotech AS | Wholesale & retail | 1996 |
| Autotech Varebørs AS | Wholesale & retail | 2012 |
| Avenue Eiendom AS | Real estate | 2004 |
| Backup Byggpersonell AS | Administrative & support | 2011 |
| Backup Norge AS | Administrative & support | 1997 |
| Backup Solutions AS | Administrative & support | 2017 |
| Bahag Baus Beteiligungsgesellschaft MBH | Administrative & support | 2022 |
| Bakkegutane AS | Real estate | 2009 |
| Balder Festklar AS | Manufacturing | 2023 |
| Balder Norway AS | Real estate | 2018 |
| Bauhaus AS | Wholesale & retail | 2006 |
| Bauhaus Norge KS | Wholesale & retail | 2006 |
| Bergflødt Holding AS | | 2020 |
| Bever Control AS | Information & communication | 1982 |
| Bibi Invest AS | | 2019 |
| Bisc AS | Construction | 2015 |
| Bjerkeracing AS | Wholesale & retail | 2024 |
| Blirbedre AS | Education | 2022 |
| Borgen Entreprenør AS | Construction | 2018 |
| Borgen Entreprenør Holding AS | Construction | 2014 |
| Braco AS | Manufacturing | 1932 |
| Braco Holding AS | Manufacturing | 2005 |
| Brenna Holding AS | | 2012 |
| Brevik AS | Construction | 2016 |
| Brevik Holding AS | Construction | 2021 |
| Brevik Maskinutleie AS | Administrative & support | 2017 |
| Brevik Næringseiendom AS | Real estate | 2024 |
| Brix Dekor AS | Professional & scientific | 1998 |
| Buskerud Anleggstransport AS | Transport & logistics | 1993 |
| Buskerud Anleggstransport Holding AS | Transport & logistics | 2016 |
| Bygg Betong Og Stein AS | Construction | 2016 |
| Bygg- Og Renholdstjenester AS | Construction | 2018 |
| Canoka AS | Administrative & support | 2023 |
| Cappelen Consept Ans | Professional & scientific | 1996 |
| Cappelensgate AS | Real estate | 1996 |
| Car Outlet Norway - Electric City AS | Wholesale & retail | 2013 |
| Cbrg Invest AS | | 2024 |
| Civ. Ing. Helge Ingeberg AS | Wholesale & retail | 1996 |
| Compositech AS | Manufacturing | 1996 |
| Creative Concepts AS | Wholesale & retail | 2016 |
| Cut'N Go Liertoppen AS | Other services | 2021 |
| Daa - Distribusjon AS | Wholesale & retail | 2021 |
| Dekksenteret Lierskogen AS | Wholesale & retail | 1988 |
| Dentida AS | Health & social care | 2018 |
| Dentsign AS | Manufacturing | 2013 |
| Dinvaskedame AS | Administrative & support | 2019 |
| Diskord Da | Arts & recreation | 2025 |
| Doc-Intra AS | Information & communication | 2026 |
| Drammensveien 269 AS | Real estate | 2021 |
| Dugnadsgutta AS | Wholesale & retail | 2016 |
| Ecj AS | Real estate | 2008 |
| Eidegruppen AS | Arts & recreation | 2013 |
| Ekeberghagen AS | | 2013 |
| Elbilmek AS | Wholesale & retail | 2012 |
| Electronics & Energy Solutions AS | Manufacturing | 2016 |
| Elite Workshop AS | Other services | 2025 |
| Entrade AS | Wholesale & retail | 2005 |
| Entrex Bygg AS | Construction | 2019 |
| Entura Holding AS | Real estate | 2015 |
| Enøkgrossisten AS | Professional & scientific | 2022 |
| Espemo Invest AS | Real estate | 2007 |
| Espen Kristiansen AS | Wholesale & retail | 2001 |
| Europress AS | Wholesale & retail | 2001 |
| Ew Totalbygg AS | Construction | 2024 |
| Fantas Renhold AS | Administrative & support | 2013 |
| Fast Food Service Norge AS | Wholesale & retail | 1999 |
| Fevito Invest AS | | 2021 |
| FHM Invest AS | | 2024 |
| Fist Magnet Entertainment AS | Arts & recreation | 2019 |
| Flisekompaniet Drammen AS | Wholesale & retail | 2011 |
| Foodswingers AS | Professional & scientific | 2008 |
| Foss Gård Lier AS | Real estate | 2022 |
| Fram Kompetanse AS | Health & social care | 2024 |
| Freestyle AS | Wholesale & retail | 2004 |