| Eg Invest AS | Financial services | 2011 |
| Egerdal AS | Professional & scientific | 2005 |
| Egynorge Sec AS | Administrative & support | 2021 |
| Ehandelsgruppen AS | Wholesale & retail | 2021 |
| Eidehli AS | Information & communication | 2007 |
| Eiendom Invest Skedsmo AS | | 2002 |
| Eiendomsselskapet Lien Da | Real estate | 2011 |
| Eiesland Invest AS | Real estate | 2015 |
| Eikeliklinikken Da | Health & social care | 2013 |
| Eilert Gabrielsen AS | Professional & scientific | 2008 |
| Eiventure AS | | 2020 |
| Ej Consulting AS | Real estate | 2006 |
| Ejs Eiendom AS | Real estate | 2014 |
| Ek Eiendom AS | Real estate | 2019 |
| Ekrekroken Barnehage SA | Education | 1998 |
| Ekte Lyd AS | Arts & recreation | 2023 |
| Eleanor AS | Wholesale & retail | 2021 |
| Elektro Lumen AS | Professional & scientific | 2005 |
| Ellers AS | | 2023 |
| Elp Invest AS | | 2023 |
| Emmat AS | Professional & scientific | 2024 |
| Emmi Mojo Design AS | Professional & scientific | 2024 |
| Endalaus AS | Information & communication | 2019 |
| Enina AS | Professional & scientific | 2006 |
| Ergon Holding AS | Professional & scientific | 2005 |
| Erik Bonsaksen AS | | 2020 |
| Ertresvåg Holding AS | | 2025 |
| Espe Wibstad AS | Financial services | 2006 |
| EU AI Representation Services AS | Professional & scientific | 2026 |
| Everglow Invest AS | Professional & scientific | 2006 |
| Evisa AS | | 2021 |
| Expo Lab AS | Administrative & support | 2020 |
| Exton Invest AS | Wholesale & retail | 2020 |
| Ezsportech AS | | 2025 |
| Faanes & Co Manufacturing AS | Professional & scientific | 2026 |
| Fab Consulting AS | | 2021 |
| Fabdex AS | Transport & logistics | 2020 |
| Fagertun Holding AS | Wholesale & retail | 2005 |
| Faller Holding AS | Financial services | 2016 |
| Fart Eiendom AS | Financial services | 2018 |
| Feelgood Bekkestua AS | Arts & recreation | 2022 |
| Fehn Originals AS | Professional & scientific | 2019 |
| Felet AS | | 2023 |
| FEMTI5B AS | Professional & scientific | 2012 |
| Fente IT AS | Information & communication | 2018 |
| FHV15 AS | | 2020 |
| Fiffi Rostad AS | Real estate | 2019 |
| Finøk AS | Professional & scientific | 2001 |
| Firefly AS | Professional & scientific | 2013 |
| Fivil AS | Professional & scientific | 2018 |
| FJ Focus Holding AS | Financial services | 2016 |
| Fjalv Holding AS | Financial services | 2018 |
| Fjellstuens Eftf. AS | Real estate | 2005 |
| Fjellvang Invest AS | Real estate | 2004 |
| Flaggstangspesialisten AS | Wholesale & retail | 1993 |
| Flex Invest AS | | 2008 |
| Flexhold Ans | Administrative & support | 2008 |
| Fløya Invest AS | | 2019 |
| FNH Holding AS | Real estate | 2012 |
| Folkens Forlag AS | Information & communication | 2017 |
| Foresta AS | Professional & scientific | 2021 |
| Fotograf Øivind Haug AS | Professional & scientific | 1996 |
| Fredille AS | Financial services | 2017 |
| Freelap Norge AS | Wholesale & retail | 2013 |
| Fremsta Investa AS | | 2026 |
| Frha AS | Real estate | 2019 |
| Fritt for Alt AS | Education | 2021 |
| Frogner Eiendom Ans | Real estate | 1990 |
| Front Holding Harpun AS | | 2020 |
| Frontra AS | | 2016 |
| Frontra Consulting AS | Information & communication | 2017 |
| Frost Kapital AS | | 2024 |
| Frostward AS | | 2025 |
| Furseth Holding AS | | 2022 |
| Future Fox AS | Professional & scientific | 2017 |
| G Lindman Ans | Professional & scientific | 1988 |
| G-Funk Invest AS | | 2019 |
| G.C. Invest AS | Real estate | 2024 |
| Gamle Drammensvei 107 AS | Real estate | 2004 |
| Gamle Drammensvei Holding AS | Real estate | 2019 |
| Gamle Ringeriksvei 38 AS | Real estate | 2025 |
| Gangsås Front AS | Real estate | 2024 |
| Gangsås Panorama AS | Real estate | 2024 |
| Gardermoen Eiendomsutvikling AS | Real estate | 2012 |
| Gastro Trade AS | Hospitality | 2025 |
| Gecko Holding AS | Other services | 2008 |
| Gem Management AS | Financial services | 2008 |
| Geo Innova AS | Professional & scientific | 1999 |
| Gerner Holding AS | Health & social care | 2011 |
| Get to Know AS | Professional & scientific | 2020 |
| Gieffnes AS | Real estate | 2012 |
| Gilde Haugli Bygg AS | Construction | 2018 |
| Gisund Holding AS | | 2025 |
| Gjertviksten Invest AS | | 2016 |
| Gjæringen Invest AS | Real estate | 2005 |
| Gjønnes AS | Real estate | 2012 |
| Gjønnes Gård AS | Real estate | 2005 |
| Glimmer Film AS | Information & communication | 2026 |
| GLK Docs AS | Information & communication | 2024 |
| Global Music Garden AS | Professional & scientific | 2012 |