| Btvaktmester AS | Administrative & support | 2016 |
| Bull Enger Invest AS | Real estate | 2012 |
| Burgertralla AS | Hospitality | 2016 |
| Buskerud Vann Og Ventilasjon AS | Construction | 2014 |
| Bygdeveien 2 AS | Real estate | 2025 |
| Bygg & Tømmermester Kåre Antonsen AS | Professional & scientific | 1992 |
| Byggmester Myrholt AS | Construction | 2014 |
| Byggrådgivning AS | Real estate | 2025 |
| Bøhler AS | Real estate | 2014 |
| Børrehaug AS | Real estate | 2007 |
| Børresen Bygg AS | Construction | 2024 |
| Calvia AS | Wholesale & retail | 2014 |
| Careen AS | Professional & scientific | 2015 |
| Cars Software AS | Information & communication | 2022 |
| Caryatid Holding AS | | 2021 |
| Casa Asset Management AS | Real estate | 2020 |
| Caspian AS | Information & communication | 2025 |
| Casual Beer Company AS | Manufacturing | 2017 |
| Catalina Steel AS | Professional & scientific | 2020 |
| Cengiz AS | Arts & recreation | 2023 |
| Ceria Shared Services AS | Professional & scientific | 2020 |
| Chang Thai Takeaway AS | Hospitality | 2016 |
| China Liangtse Wellness Norway AS | Other services | 2016 |
| Chrima Eiendom AS | Real estate | 2024 |
| Christensen & Partners AS | Professional & scientific | 2019 |
| Christer Invest AS | Real estate | 2006 |
| Complete Software Production Da | Information & communication | 2008 |
| Convulse Recordings Da | Information & communication | 2008 |
| Crowo AS | Health & social care | 1993 |
| Cudmore Offshore Services AS | Professional & scientific | 2026 |
| Dalenveien Bolig AS | Real estate | 2020 |
| De Korte Holding AS | Health & social care | 2023 |
| Delta Multiservice AS | Administrative & support | 2020 |
| Demp AS | Health & social care | 2012 |
| Den Lille Krydderhave AS | Agriculture & fishing | 1990 |
| Dimitrius Filopolos Og Lasse Hamre Transport Partner Ans | Transport & logistics | 1997 |
| Dine Hender AS | Other services | 2014 |
| Discovery AS | | 2018 |
| DR. Hartmann Prytz AS | Health & social care | 2021 |
| Drammen Og Omlands Fiskeadministrasjon | Agriculture & fishing | 1995 |
| Drammen Rør AS | Construction | 2021 |
| Drammen Sykkelbud Ans | Transport & logistics | 2001 |
| Drammen Tomteselskap 5 AS | Real estate | 2005 |
| Drift & Åkerteknikk AS | Wholesale & retail | 2026 |
| Driftsgutta Drammen AS | Administrative & support | 2024 |
| DRS AS | Education | 2014 |
| Dto AS | Education | 2025 |
| Du Bedåre Holding AS | | 2024 |
| Dynapac Norge AS | Wholesale & retail | 2017 |
| Easy Learning Solutions AS | Information & communication | 2005 |
| Ecovin AS | Wholesale & retail | 2017 |
| Egge Gård AS | Agriculture & fishing | 2016 |
| Egge Jordvanning SA | Agriculture & fishing | 1979 |
| Egge Massedeponi AS | Water & waste | 2021 |
| Egge Vannselskap SA | Water & waste | 1922 |
| Egge Vestre AS | Agriculture & fishing | 2023 |
| Egn Holding AS | Real estate | 2018 |
| Eikseterveien SA | Construction | 2021 |
| Elahi AS | Wholesale & retail | 2024 |
| Elahi Autosenter AS | Wholesale & retail | 2024 |
| Elektro Ids Service AS | Construction | 2023 |
| Elent AS | Construction | 2009 |
| Elgiganten AS | Real estate | 2012 |
| Elida Utemiljø AS | Administrative & support | 2013 |
| Elvebredden Lier AS | Real estate | 2012 |
| Elvenhøy Gartneri AS | Agriculture & fishing | 2005 |
| Elvestad Gård | Agriculture & fishing | 2008 |
| Embelino AS | | 2019 |
| Emi Holding AS | Professional & scientific | 2016 |
| Emoe Invest AS | | 2019 |
| Enso Athletics AS | Education | 2022 |
| Entusiast AS | Information & communication | 2020 |
| Envy Travel AS | Administrative & support | 2016 |
| Eon Capital AS | Wholesale & retail | 2019 |
| Eraks AS | Professional & scientific | 2007 |
| Eraks Drift AS | Professional & scientific | 2017 |
| Erp Solutions AS | Information & communication | 2026 |
| Esj Invest Limited Nuf | | 2007 |
| Espedal Trading AS | Real estate | 2018 |
| Espen Lilleberg AS | Real estate | 2020 |
| Ess Holding AS | Administrative & support | 2011 |
| Etfut AS | | 2025 |
| Evans AS | | 2025 |
| Everyhair Norge AS | Wholesale & retail | 2002 |
| Exploration AS | Professional & scientific | 2017 |
| Expo Invest AS | Real estate | 2005 |
| Fadum Tekniske AS | Manufacturing | 1994 |
| Falk Forvaltning AS | Real estate | 2017 |
| Falkenuten Holding AS | | 2021 |
| Farm E AS | Agriculture & fishing | 2016 |
| Farnell Norge Norsk Avdeling Av Farnell Danmark AS Norsk Avdeling Av Utenlandsk Foretak Nuf | Wholesale & retail | 2001 |
| Fellespakkeriet SA | Agriculture & fishing | 2008 |
| Fenstad Holding AS | | 2024 |
| Fer Holding AS | Financial services | 2005 |
| Finn Arbeidere AS | Administrative & support | 2023 |
| Finnanger AS | | 2023 |
| Finnemarka Beitelag SA | Agriculture & fishing | 1937 |
| Finnmaskin AS | Wholesale & retail | 2011 |
| Firma Remontowo Budowlana Lech Widulinski | Construction | 2005 |
| Firmatur.No AS | Administrative & support | 2011 |