| Carlbernerauto AS | Transport & logistics | 2019 |
| CBD Nordic AS | Wholesale & retail | 2022 |
| Ceep Invest AS | | 2022 |
| CF3 Invest AS | | 2024 |
| Chriss Holding AS | Real estate | 2005 |
| Cimberio AS | Wholesale & retail | 1991 |
| Cimberio Eiendom AS | Wholesale & retail | 2024 |
| Cime AS | | 2018 |
| Clarity AS | Professional & scientific | 2019 |
| Classic Wines AS | Wholesale & retail | 2018 |
| Club Sport Norge Da | Wholesale & retail | 1988 |
| Clubassist AS | Wholesale & retail | 2013 |
| Conco AS | Administrative & support | 2014 |
| Conor Skandinavia AS | Professional & scientific | 2008 |
| Cosø AS | Wholesale & retail | 2020 |
| Cre Kapital AS | | 2022 |
| Creative Wines AS | Wholesale & retail | 2018 |
| Cro Eiendom AS | Real estate | 2018 |
| Cro Invest AS | Wholesale & retail | 2005 |
| Dag-Øyvind Johnsen Holding AS | Financial services | 2017 |
| Dagens Kupp AS | Wholesale & retail | 2026 |
| Dalens Elektronikk Service AS | Other services | 1989 |
| Dani Bygg AS | Construction | 2021 |
| Danskens Transport AS | Transport & logistics | 2014 |
| Datek Løfteteknikk AS | Manufacturing | 1988 |
| Daycamp Da | Education | 2006 |
| DB Establishment AS | Wholesale & retail | 2021 |
| De Lysholmske Brenneri- Og Destillasjonsfabrikker Ans | Manufacturing | 2000 |
| Dekoratør Aina Nilsen AS | Professional & scientific | 2012 |
| DFX Bygg AS | Construction | 2026 |
| Dia Proff Norge AS | Wholesale & retail | 2004 |
| Digitalt Innhold AS | Information & communication | 2021 |
| Digitalverdi AS | Information & communication | 2020 |
| Diplom-Is AS | Manufacturing | 2002 |
| Direct House AS | Administrative & support | 2004 |
| Direct House Oslo AS | Administrative & support | 1990 |
| Direkte Levert AS | Professional & scientific | 2019 |
| Dirt Bike Girls AS | Professional & scientific | 2017 |
| Discotheque AS | Real estate | 2020 |
| Dobbertin Invest AS | | 2026 |
| Dolvik Invest AS | | 2019 |
| Dream Entertainment AS | Wholesale & retail | 2003 |
| Driftkontroll AS | Real estate | 2026 |
| Drømmehagen AS | Administrative & support | 2010 |
| Dsa Holding AS | Real estate | 2020 |
| DVS Entreprenør AS | Construction | 1998 |
| Dyktighandverker AS | Construction | 2015 |
| EBBE3 Holding AS | Financial services | 2005 |
| Ecorenn AS | Administrative & support | 2025 |
| Eikland Eiendom AS | Real estate | 2005 |
| Ekspert Transport Service AS | Transport & logistics | 2017 |
| EKÅS GRAFISK ANS Ekholdt og Ganre | Manufacturing | 1991 |
| Electra Nett Da | Wholesale & retail | 1997 |
| Elektron Communications AS | Wholesale & retail | 1994 |
| Elektron Data Og Telekommunikasjon AS | Wholesale & retail | 1989 |
| Elektron Eiendom AS | Real estate | 2006 |
| Elesco Norge AS | Other services | 2011 |
| Elfo AS | Information & communication | 1990 |
| Elite Malerservice AS | Construction | 2026 |
| Ellco Eiendom AS | Real estate | 2000 |
| Ellco Etikett Trykk AS | Manufacturing | 1985 |
| Ellco Holding AS | Real estate | 2011 |
| Elte AS | Transport & logistics | 2023 |
| Elvebakk Holding AS | | 2023 |
| Empire Auto AS | Wholesale & retail | 2021 |
| Endreson AS | Health & social care | 2019 |
| Enger Design AS | Professional & scientific | 2026 |
| Enø Invest AS | Financial services | 2007 |
| Epictale Interactive AS | Information & communication | 2023 |
| Eriboh AS | | 2021 |
| Erik O Brøske AS | Wholesale & retail | 1979 |
| Erlend Johansen Invest AS | Financial services | 2017 |
| Etenga AS | | 2023 |
| Ets Emil's Transportservice AS | Transport & logistics | 2005 |
| Euroheater AS | Wholesale & retail | 2022 |
| Evjen Legacy AS | Wholesale & retail | 2026 |
| Evoso AS | Hospitality | 2026 |
| Excellars AS | Wholesale & retail | 2007 |
| FBN Invest AS | | 2012 |
| Fetveien 21 AS | Real estate | 2014 |
| Fiba AS | Administrative & support | 2019 |
| Fijoy Games AS | Information & communication | 2020 |
| Filetfabrikken AS | Manufacturing | 2022 |
| Fill & Tell AB Nuf | Information & communication | 2010 |
| Fillin Foods AS | Wholesale & retail | 2024 |
| Finest Supply AS | Wholesale & retail | 2023 |
| Finnhus AS | Real estate | 2008 |
| Fjordbound AS | Administrative & support | 2026 |
| Flamex AS | Real estate | 1997 |
| Flamyr AS | Financial services | 2014 |
| Flemming Invest AS | | 2024 |
| Flexcom Anlegg AS | Construction | 2021 |
| Flexcom AS | Construction | 2012 |
| Folkets AS | Hospitality | 2022 |
| Folkets Hus Hagan Eiendomsdrift AS | Real estate | 2024 |
| Folkets Hus Hagan Eiendomselskap AS | Real estate | 2024 |
| Fra Null Til Gull Holding AS | | 2021 |
| Fraci AS | Real estate | 2003 |
| Fraci Drift AS | Real estate | 2022 |
| Fraci Eiendom AS | Real estate | 2018 |