| Felldal Consulting AS | Professional & scientific | 2010 |
| Fersken AS | Wholesale & retail | 2019 |
| Fias Company AS | Real estate | 2016 |
| Fidus Holding AS | Financial services | 2005 |
| Finify AS | Administrative & support | 2022 |
| Finn R Møller AS | Wholesale & retail | 1962 |
| Finn Rødby Agenturer AS | Wholesale & retail | 2004 |
| Firstchoice AS | Administrative & support | 1994 |
| Fishcorp of Norway AS | Wholesale & retail | 2017 |
| Fjærviks Holding AS | Health & social care | 2023 |
| Flanderborg Invest AS | | 2026 |
| Fleip AS | | 2024 |
| Fleischer Couture AS | Wholesale & retail | 2008 |
| Fletten AS | Real estate | 2012 |
| Flexi Capital AS | Real estate | 2018 |
| Flexi Car AS | Real estate | 2023 |
| Flexi Management AS | Professional & scientific | 2005 |
| Flexm Global AS | | 2017 |
| Flor Holding AS | Real estate | 2005 |
| Flyter AS | Professional & scientific | 2023 |
| Flytårnet Fornebu AS | Real estate | 2014 |
| Flytårnet Vest AS | Real estate | 2025 |
| Flytårnet Vest Næring AS | Real estate | 2025 |
| Flytårnet Øst Boligutvikling AS | | 2026 |
| Flytårnet Øst Næring AS | Real estate | 2025 |
| FMV Kantinebygg AS | Real estate | 1999 |
| FMV Mobilitetshus AS | Real estate | 2017 |
| FMV Snekkerverksted AS | Real estate | 2019 |
| FMV Vest Marina AS | Transport & logistics | 2007 |
| Fondsforvaltning AS | Financial services | 1992 |
| Fondsforvaltning Holding AS | Financial services | 2005 |
| Forecastly AS | Information & communication | 2024 |
| Fornebu 9.3 Utvikling AS | Real estate | 2026 |
| Fornebu Bilskadesenter AS | Other services | 2021 |
| Fornebu Bilverksted AS | Other services | 2022 |
| Fornebu Buldresenter AS | Arts & recreation | 2026 |
| Fornebu Butikkdrift AS | Professional & scientific | 2014 |
| Fornebu Capital AS | Financial services | 2011 |
| Fornebu Fastlege AS | Health & social care | 2020 |
| Fornebu Gateway Felleskost AS | Professional & scientific | 2016 |
| Fornebu Golf AS | Education | 2004 |
| Fornebu Kiropraktorsenter AS | Health & social care | 2015 |
| Fornebu Marina AS | Transport & logistics | 1998 |
| Fornebu Marina Eiendom AS | Transport & logistics | 2005 |
| Fornebu Marina Holding AS | Transport & logistics | 2005 |
| Fornebu Musikkfest AS | Arts & recreation | 2021 |
| Fornebu Næring Holding AS | Real estate | 2002 |
| Fornebu Pizza AS | Hospitality | 2014 |
| Fornebu Pt-Studio AS | Arts & recreation | 2018 |
| Fornebu Rør AS | Construction | 2018 |
| Fornebu Spesialistlegesenter AS | Health & social care | 2022 |
| Fornebu Tannlegesenter AS | Health & social care | 2017 |
| Fornebu Tannregulering AS | Health & social care | 2020 |
| Fornebulys Legekontor AS | Health & social care | 2023 |
| Fornebuporten Bolig 3 AS | Real estate | 2012 |
| Fornebuporten Bolig 4 AS | Real estate | 2017 |
| Fornebuporten Bolig Utvikling AS | Real estate | 2017 |
| Fornebuporten Boligtomt S1.1 AS | Real estate | 2025 |
| Fornebuporten Legesenter Da | Health & social care | 2020 |
| Fornebuservice AS | Administrative & support | 2015 |
| Fornebustranda Marina AS | | 2007 |
| Frakilden AS | Wholesale & retail | 2026 |
| Fredrik Lunde Holding AS | | 2020 |
| Frelar AS | | 2005 |
| Freng Invest AS | Financial services | 2017 |
| Frimal AS | Real estate | 1990 |
| FS Dynamics Norway AS | Professional & scientific | 2013 |
| FSK Kiropraktor AS | Health & social care | 2021 |
| Fundzy AS | | 2019 |
| Furru Investment AS | Professional & scientific | 2005 |
| Future Cars AS | Wholesale & retail | 2022 |
| Future Fishing AS | Administrative & support | 2000 |
| Futureon AS | Information & communication | 2016 |
| Føn Energy Services AS | Manufacturing | 2021 |
| G-Auto AS | Wholesale & retail | 2025 |
| Gaia Geoteknikk AS | Professional & scientific | 2024 |
| Gain Capital AS | Real estate | 2021 |
| Gain Consulting AS | Professional & scientific | 2021 |
| Galleri DC-3 AS | Real estate | 2017 |
| Galleri DC-9 AS | Real estate | 2013 |
| Gambei AS | Wholesale & retail | 1995 |
| Gambis Concepts AS | Education | 2026 |
| Gambis Holding AS | | 2026 |
| Gateway Studios AS | Information & communication | 2021 |
| Gaustahytten Projekt AS | Real estate | 2026 |
| GC Leasing Norway AS | Administrative & support | 2005 |
| Gc-Support AS | Information & communication | 2006 |
| Gca Holding AS | | 2026 |
| Genzeb Holding AS | | 2023 |
| George P. Johnson (United Kingdom) Limited Nuf | Administrative & support | 2015 |
| Geppert Electric D.O.O. Nuf | Manufacturing | 2025 |
| Getaccept AS | Information & communication | 2018 |
| Gilif Eiendom AS | Real estate | 2016 |
| Gimle Invest AS | Real estate | 2011 |
| Girls on Wheels AS | Education | 2020 |
| Gjeldsregisteret AS | Administrative & support | 2017 |
| Gjerivegen 5 AS | Real estate | 2015 |
| Glacier Holding AS | | 2024 |
| Global Blue Norge AS | Administrative & support | 1987 |
| Global Green AS | Professional & scientific | 2020 |