| Enzo Eiendom AS | Real estate | 2021 |
| Enzo Invest AS | Real estate | 2001 |
| Eon Computing Da | Information & communication | 1999 |
| Eos AS | Real estate | 2022 |
| Epic Holding AS | Real estate | 2018 |
| Epic Name AS | Wholesale & retail | 2024 |
| Epicevent AS | Administrative & support | 2013 |
| Equina AS | Professional & scientific | 2018 |
| Erdem Holding AS | Hospitality | 2020 |
| Erik Bach AS | Construction | 2022 |
| Erik Johan Holding AS | Financial services | 2009 |
| Erik Tien Holding AS | Agriculture & fishing | 2020 |
| Erstwhile Holding AS | | 2021 |
| Espen Hatlo AS | Manufacturing | 1998 |
| Esperå AS | Real estate | 1996 |
| Esra Holding AS | | 2025 |
| Ess Larvik Sveiseservice AS | Manufacturing | 1992 |
| Estiskauen Vei SA | Real estate | 2017 |
| Euromaskin AS | Wholesale & retail | 2003 |
| Euroreiser AS | Transport & logistics | 2003 |
| Eventyrhus Larvik AS | Construction | 1996 |
| Eventyrhuset Eiendom AS | Real estate | 2023 |
| Eventyrskogen Barnehage SA | Education | 1999 |
| Everzinc Norway AS | Manufacturing | 1993 |
| Evrytoddy AS | Professional & scientific | 2019 |
| Ewd Holding AS | | 2025 |
| Excelencia Medical Group AS | Health & social care | 2022 |
| Excolo AS | Information & communication | 2021 |
| Extenso AS | Wholesale & retail | 2003 |
| Extra Leker Larvik AS | Wholesale & retail | 2005 |
| Eftedal Transport AS | Transport & logistics | 1988 |
| F. Andersen Holding AS | | 2017 |
| Faag Prosjekt AS | Construction | 2026 |
| Facta AS | Financial services | 2020 |
| Fagernæs AS | Health & social care | 1993 |
| Fagertunvegen AS | Real estate | 2017 |
| Fagskolen Get Academy AS | Education | 2021 |
| Fair Insurance AS | Financial services | 2023 |
| Falao AS | Construction | 2000 |
| Falkenstenveien Næringsbygg AS | Real estate | 2006 |
| Falleth VVS AS | Construction | 2025 |
| Fals Eiendom AS | Real estate | 2019 |
| Fals Holding AS | Real estate | 2017 |
| Fals Tomt AS | Real estate | 2019 |
| Fantasian.No AS | Construction | 2024 |
| Faret 6 AS | Real estate | 2002 |
| Fargeglade Malere AS | Construction | 2020 |
| Fargeglade Maleres Holding AS | Construction | 2021 |
| Farris Bad Hotelldrift AS | Hospitality | 2005 |
| Farris Eiendom AS | | 2017 |
| Farris Fysioterapi AS | Health & social care | 2024 |
| Farriseidet Dagligvaredrift AS | Wholesale & retail | 2019 |
| Farriseidet Eiendom AS | Real estate | 1994 |
| Farriseidet Utvikling AS | Real estate | 2008 |
| Farstad Bergene AS | Professional & scientific | 2014 |
| Fastlane Holding AS | Professional & scientific | 2015 |
| Fastlane Services AS | Manufacturing | 2020 |
| Fastlane Technologies AS | Professional & scientific | 2015 |
| Faugstad Elektro AS | Construction | 2003 |
| Fecha AS | Real estate | 2018 |
| Felumb Eiendom AS | Real estate | 1963 |
| FEMTEE50 AS | Professional & scientific | 2017 |
| Ferinvest AS | Professional & scientific | 2005 |
| Fest Holding AS | | 2025 |
| FG Bolig AS | Real estate | 1987 |
| FG Bolig Færder AS | Real estate | 2023 |
| FH Prosjekt 1 AS | | 2025 |
| FH Prosjekt 2 AS | | 2025 |
| FH Prosjekt 3 AS | | 2026 |
| FH Prosjekt AS | | 2025 |
| FIFTY5 AS | Information & communication | 2020 |
| FIFTY5 GEO1 AS | Information & communication | 2024 |
| Fikan 1 AS | | 2025 |
| Fikan AS | Financial services | 2005 |
| Filamentmannen AS | Wholesale & retail | 2019 |
| Fireh AS | Real estate | 2005 |
| Firelance AS | Wholesale & retail | 2014 |
| Firing AS | Construction | 2024 |
| Fiske- Og Turutstyr AS | Wholesale & retail | 2022 |
| Fix Man AS | Construction | 2025 |
| Fjeldstad Logistikk AS | Administrative & support | 2020 |
| Fjeldstad Transport AS | Transport & logistics | 2022 |
| Fjellboveien 10 AS | Real estate | 2022 |
| Fjellmyr AS | Wholesale & retail | 2016 |
| Fjorden Bolig AS | Professional & scientific | 2014 |
| Fjordgaten Eiendom AS | Real estate | 2015 |
| Flaggfabrikken AS | Manufacturing | 1986 |
| Flamm Eiendom AS | Real estate | 2022 |
| Flatstrand Båthavn SA | Transport & logistics | 1979 |
| Flessum Engineering AS | | 1983 |
| Flex Agri AS | Manufacturing | 2004 |
| Flisesenter Vestfold AS | Wholesale & retail | 2015 |
| Flostad Transport & Utleie AS | Real estate | 2013 |
| Flowteam Consulting AS | Administrative & support | 1997 |
| Flums AS | | 2023 |
| FMT Eiendom AS | Real estate | 2017 |
| FMT Holding AS | Real estate | 2025 |
| Fol Holding AS | | 2019 |
| Foldvik Eiendom Da | Real estate | 1996 |
| Fonder AS | Professional & scientific | 2021 |