| Clarity Hub AS | | 2026 |
| Cleopatra Management AS | Administrative & support | 2005 |
| Clicken AS | Professional & scientific | 2010 |
| Codefjord AS | Information & communication | 2025 |
| Color Point AS | Professional & scientific | 2014 |
| Conmel Invest AS | Professional & scientific | 2014 |
| Contancia AS | Real estate | 2005 |
| Conwell AS | Transport & logistics | 2011 |
| Coore AS | Wholesale & retail | 2023 |
| Copeland Holding AS | | 2017 |
| Cordina Norge AS | Wholesale & retail | 2024 |
| Cosmos & Chaos AS | Arts & recreation | 2026 |
| Cost Ctrl AS | Professional & scientific | 2017 |
| Creationflow AS | Professional & scientific | 2021 |
| D&S Holding AS | | 2025 |
| Dataregnskap AS | Real estate | 1974 |
| Datek Løfteteknikk Øst AS | Manufacturing | 2024 |
| DC Hodel AS | | 2023 |
| Dekkbutikken Eiendom AS | Real estate | 2021 |
| Dekkbutikken Holmestrand AS | Wholesale & retail | 1992 |
| Dekkgården AS | Agriculture & fishing | 1994 |
| Den Lille Fraktbåt AS | Transport & logistics | 2021 |
| Devnor Da | Information & communication | 2005 |
| DGH Franchise AS | Wholesale & retail | 2021 |
| DGH Haugesund AS | Wholesale & retail | 2024 |
| Din Bilforhandler AS | Wholesale & retail | 2025 |
| Din Hagemann AS | Administrative & support | 2023 |
| Ditt Hus AS | Construction | 2022 |
| DKD Service AS | Construction | 2020 |
| DNR AS | Wholesale & retail | 2025 |
| Donnay Scandinavia AS | Wholesale & retail | 2016 |
| DR. Graaruds Plass 1-3 Næring AS | Real estate | 2010 |
| Dradykk AS | Education | 1990 |
| Drammen Fliser AS | Financial services | 2015 |
| Due Invest AS | Hospitality | 2021 |
| Duett Frisør AS | Other services | 2024 |
| Dyrlegen Under Fjellet AS | Professional & scientific | 2021 |
| E Berentzen Holding AS | | 2025 |
| Eamc Invest AS | | 2022 |
| Edwin Invest AS | Real estate | 2015 |
| Eess AS | Real estate | 1991 |
| Eiendomselskapet Fjell AS | Real estate | 1985 |
| Eiendomsrådgiveren AS | Administrative & support | 2014 |
| Eiendomstjenesten AS | Administrative & support | 2012 |
| Eierskifte Og Takst for Landbruket AS | Professional & scientific | 2019 |
| Eikelund Barnehage SA | Education | 2004 |
| Eikelund Sør AS | Professional & scientific | 2007 |
| Eirik Raude Eiendom AS | | 2023 |
| Eiwi AS | Health & social care | 2017 |
| Ej Fiskeutstyr Da | Manufacturing | 2005 |
| Ekeberg Finans AS | Real estate | 2012 |
| Ekeberg Forvaltning AS | Real estate | 2011 |
| Elcon Broker AS | Wholesale & retail | 1993 |
| Elmo Ans | Wholesale & retail | 1989 |
| Emc-Consult AS | Construction | 2019 |
| Empus AS | Health & social care | 2009 |
| En Plattform AS | Information & communication | 2022 |
| Enda Et AS | Professional & scientific | 2013 |
| Endringsreise Coaching Ans | Health & social care | 2025 |
| Energi & Klimateknikk AS | Professional & scientific | 2016 |
| Energisystemer AS | Administrative & support | 2026 |
| Enerhaugen & Gjersvik Ans | Construction | 1990 |
| Enerhaugen Bygg AS | Manufacturing | 1991 |
| Engen Og Stanger Ans | Health & social care | 2006 |
| Enil.No AS | Wholesale & retail | 2017 |
| Epoxit AS | Wholesale & retail | 2013 |
| Eri Eiendom AS | Real estate | 1995 |
| Eriksen & Sønner AS | Transport & logistics | 1994 |
| Eriksen Invest Eiendom AS | Real estate | 2021 |
| Eriksen Invest Holding AS | Real estate | 2010 |
| Erla Consulting AS | Professional & scientific | 2023 |
| Esage Holding AS | | 2025 |
| Esox World AS | Professional & scientific | 2021 |
| Et Bedre Norge AS | Information & communication | 2012 |
| Eureka Offshore Engineering and Consulting AS | Professional & scientific | 2013 |
| Evaalor AS | Wholesale & retail | 2021 |
| Evaron AS | Education | 2026 |
| Eveline AS | Wholesale & retail | 2006 |
| Evelyn Vidad Cariaga AS | Hospitality | 2025 |
| Evernordic AS | Wholesale & retail | 2025 |
| Ew Invest AS | | 2026 |
| F-Multi AS | | 2023 |
| Fabrikkimport AS | Wholesale & retail | 2006 |
| Fars Dagligvare AS | Wholesale & retail | 2023 |
| Fars Pengebinge AS | Wholesale & retail | 2022 |
| Fastshop AS | Information & communication | 2024 |
| Fibo Distribusjon AS | Transport & logistics | 2010 |
| Fiks Lyd Da | Information & communication | 2010 |
| Finn Fokus AS | Education | 2024 |
| Fjellskarnissen AS | | 2026 |
| Fjordhagen Panorama AS | Real estate | 2025 |
| Flannum Tradisjonsbygg AS | Construction | 2010 |
| Flogard Nielsen AS | Wholesale & retail | 1997 |
| Floyd AS | Wholesale & retail | 1990 |
| Floyd Butikkdrift AS | Wholesale & retail | 2003 |
| Floyd Ka 9 AS | Real estate | 2021 |
| Floyd Loyalty AS | Information & communication | 2022 |
| Floyd.No AS | Wholesale & retail | 2018 |
| Flygind Coaching AS | Arts & recreation | 2018 |
| Flytkoden AS | Wholesale & retail | 1989 |