| Elite Medical AS | Wholesale & retail | 2021 |
| Ellen Baugerød Design AS | Professional & scientific | 1998 |
| Eminic AS | | 2021 |
| Emla Invest AS | | 2021 |
| Enklere Dager AS | Health & social care | 2026 |
| Enmar AS | | 2016 |
| Environmental Engineering AS | Wholesale & retail | 2006 |
| Epj Invest AS | | 2021 |
| Equnity Sportshorses AS | Other services | 2019 |
| Ergotek AS | Construction | 2018 |
| Erp Professional AS | Information & communication | 2017 |
| Esso Norge AS | Wholesale & retail | 1892 |
| Estavie AS | Professional & scientific | 2011 |
| Ettas AS | | 2025 |
| Europeisk Organisasjon for Menn- Eskerettighet I Kurdistan | Other services | 1997 |
| Eventgutta AS | Administrative & support | 2025 |
| Evju Eiendom AS | Real estate | 2026 |
| Evonor Consulting AS | Information & communication | 2018 |
| Ewe Eiendom AS | | 2026 |
| Ewo Med AS | Health & social care | 2021 |
| Expo Vestfold AS | Administrative & support | 2006 |
| Exxonmobil Exploration and Production Norway AS | Mining & quarrying | 1973 |
| Exxonmobil Holding Norway AS | Wholesale & retail | 2001 |
| Exxonmobil Nordic AS | Wholesale & retail | 2011 |
| Exxonmobil Petroleum & Chemical BV | Wholesale & retail | 2002 |
| Fagerhøi Design AS | Construction | 2022 |
| Fagerhøy AS | Financial services | 2014 |
| Familieaktiviteter AS | Administrative & support | 2023 |
| Farbart AS | Professional & scientific | 2023 |
| Fays AS | Professional & scientific | 2025 |
| Fija AS | | 2023 |
| Finnsjoe Sailing | Transport & logistics | 2013 |
| Fint Hjemme AS | Professional & scientific | 2025 |
| Fiskegull AS | Wholesale & retail | 2019 |
| Fjelly Forvaltning AS | Real estate | 2005 |
| Flintab AS | Manufacturing | 2023 |
| Flom Holding AS | | 2005 |
| Flom Invest AS | | 2018 |
| Flomvin Holding AS | | 2021 |
| Fluge Petterson AS | Health & social care | 2026 |
| Flyttebyrået Jarlsberg Øst AS | Transport & logistics | 2026 |
| Fnattis AS | Wholesale & retail | 2025 |
| Fortunext Holding AS | Professional & scientific | 2022 |
| Fotofinish AS | Arts & recreation | 2021 |
| Fotograf Hans-Georg Solberg AS | Professional & scientific | 2017 |
| Fotograf Sara Haugen AS | Professional & scientific | 2024 |
| Fra Vakker Til Smellvakker AS | Wholesale & retail | 2018 |
| Frara AS | Financial services | 2008 |
| Fregattveien 40 AS | Real estate | 2023 |
| Frigg Invest AS | Real estate | 1990 |
| Frill Holding AS | | 1983 |
| Frisk Tannhelse AS | Health & social care | 2023 |
| Friskere Sammen AS | Financial services | 2017 |
| Frosttech Global AS | Wholesale & retail | 2024 |
| Funkd Up Wines AS | Wholesale & retail | 2022 |
| Furustrand AS | Hospitality | 1980 |
| Furutre Holding AS | Education | 2022 |
| Fysioterapeut Gro R. Wivestad AS | Health & social care | 2023 |
| Følge Utvikling AS | Professional & scientific | 2008 |
| Galleri Fortuna AS | Wholesale & retail | 2025 |
| Galleri Livets Krydda Da | Wholesale & retail | 2000 |
| Gauterød Eiendom AS | Real estate | 1986 |
| Gebu Holding AS | Real estate | 2007 |
| Gestri AS | Education | 2024 |
| Gestri Scandinavia Ans | Wholesale & retail | 2004 |
| Gigfibers AS | Information & communication | 2022 |
| Gisle Børge Styve AS | Arts & recreation | 2015 |
| Gjertsen Investments AS | | 2021 |
| Glitneveien 4 AS | Real estate | 2021 |
| Goble Invest AS | | 2021 |
| Good Projects AS | Professional & scientific | 2023 |
| Green Holding AS | Financial services | 2015 |
| Greenport AS | Real estate | 2019 |
| Grenergy AS | Wholesale & retail | 2020 |
| Gringotts AS | Information & communication | 2025 |
| Grooa AS | Professional & scientific | 2010 |
| Gssg AS | Professional & scientific | 2016 |
| Gunders Boliger AS | Real estate | 2023 |
| Gunders Invest AS | Real estate | 2023 |
| Gunnerius Holding AS | Real estate | 2017 |
| Gyda AS | Financial services | 2008 |
| Gydamed AS | Health & social care | 2024 |
| Gårdbo Gård Da | Real estate | 2024 |
| H-G Solberg Eiendom AS | Construction | 2015 |
| H-G Solberg Invest AS | Construction | 2005 |
| Haavard Høie Holding AS | Construction | 2005 |
| Habitat Leie AS | Professional & scientific | 2023 |
| Halfdan Wilhelmsens Alle 1A AS | Real estate | 2014 |
| Haltor AS | Information & communication | 2008 |
| Harvest Geo AS | Professional & scientific | 2017 |
| Haugansvekst AS | Construction | 2026 |
| Haugestad Sag AS | Real estate | 2015 |
| Haugjordet AS | | 2024 |
| Have Invest AS | | 2020 |
| Hedde AS | | 1997 |
| Heidi Danby AS | Financial services | 2005 |
| Heidis Tur & Taxi Service Ans | Transport & logistics | 1999 |
| Heidis Tur & Taxi Service AS | Transport & logistics | 2015 |
| Hein Torgersen Holding AS | | 2026 |
| Hel Hudpleie AS | Other services | 2024 |