| Fotograf Anne Austerheim AS | Professional & scientific | 2023 |
| Fotograf Arild Hjelm AS | Professional & scientific | 2005 |
| Fotograf Kristine Tofte AS | Professional & scientific | 2019 |
| Fotograf Tom Haga AS | Information & communication | 1998 |
| Fotspesialist AS | Health & social care | 2025 |
| Foundly AS | Professional & scientific | 2024 |
| Four B AS | | 2026 |
| Foydal Invest AS | | 2022 |
| Fpe Sontum AS | Manufacturing | 2000 |
| FPF Stavanger AS | Arts & recreation | 2019 |
| FR Sang Og Musikk AS | Information & communication | 2024 |
| Frafjord Rør AS | Construction | 2021 |
| Fraktal Holding AS | Information & communication | 2021 |
| Fram Air AS | Transport & logistics | 2018 |
| Fram Energy AS | Mining & quarrying | 1995 |
| Fram Økonomi Vest AS | Professional & scientific | 2024 |
| Framifraa AS | Professional & scientific | 2020 |
| Fran AS | Arts & recreation | 2023 |
| Franchise Restaurant Nari Thai Take Away AS | | 2015 |
| Frani Holding AS | Real estate | 2021 |
| Franks Tank AS | Professional & scientific | 2006 |
| Frantsen Holding AS | | 2022 |
| Frantsen Invest AS | | 2023 |
| Frantsen Ventures AS | | 2023 |
| Frantzen & Aamlid AS | Construction | 2023 |
| Frantzen Kolonial AS | Wholesale & retail | 2026 |
| Fratec AS | | 2025 |
| Fraterno AS | | 2018 |
| Fredheim Holding AS | | 2023 |
| Fredriks AS | Manufacturing | 1979 |
| Fredriks Holding AS | Manufacturing | 1998 |
| Freeblade Holding AS | | 2021 |
| Fregis AS | | 2019 |
| Frei AS | Professional & scientific | 2022 |
| Frekvenz Invest & Consulting AS | | 2023 |
| Frem Solutions AS | Real estate | 2021 |
| Frem-Bo AS | Real estate | 2025 |
| Fremsikt AS | Professional & scientific | 2026 |
| Fremtek AS | Information & communication | 2014 |
| Frendely AS | Professional & scientific | 2019 |
| Fresh Boligstyling AS | Professional & scientific | 2022 |
| Fresh Falafel AS | Hospitality | 2021 |
| Fresio AS | Information & communication | 2019 |
| Freyer Forvaltning AS | Financial services | 2012 |
| Freyer Holding AS | Real estate | 2004 |
| Freyer Horisont AS | Financial services | 2016 |
| Frgd AS | Wholesale & retail | 2026 |
| Frico AS | Other services | 1988 |
| Friend Software Corporation AS | Information & communication | 2016 |
| Friendly Nordfjord AS | Administrative & support | 2024 |
| Frigg Bollestad AS | Real estate | 2013 |
| Frilum AS | Information & communication | 2025 |
| Frishøj Invest AS | | 2022 |
| Frisk Forlag AS | Information & communication | 2016 |
| Friskus Fysioterapi AS | Health & social care | 2020 |
| Frisør Aras AS | Other services | 2020 |
| Frisør Huset AS | Other services | 2007 |
| Frisørteam AS | Other services | 1998 |
| Frocema Holding AS | Wholesale & retail | 2021 |
| Frode Egeland Holding AS | Wholesale & retail | 2014 |
| Frode Hognestad Holding AS | Construction | 2005 |
| Frode Olsson Invest AS | Real estate | 2006 |
| Frog Invest AS | | 2010 |
| From Jungle to Arctic Sustainability AS | Professional & scientific | 2024 |
| Froma AS | Construction | 2016 |
| Front Innovation AS | Professional & scientific | 2014 |
| Front Investering AS | | 2005 |
| Frosim Invest AS | Financial services | 2018 |
| Fru Garneng AS | | 2019 |
| Fru Wick AS | Wholesale & retail | 2026 |
| Fruf AS | | 2022 |
| Frutti Di Mare AS | Wholesale & retail | 2025 |
| Frænd AS | Hospitality | 2024 |
| Frøiland Bygg AS | Construction | 2001 |
| Frøiland Bygg Holding AS | Construction | 2020 |
| Frøy Eiendom Da | Real estate | 2001 |
| Frøya Investeringer AS | Professional & scientific | 2022 |
| Frøya Ventures AS | Financial services | 2021 |
| Frøya Ventures Fund I AS | Financial services | 2022 |
| Frøya Ventures Invest AS | Financial services | 2022 |
| Frøystad Barnehage SA | Education | 1995 |
| Frøytor AS | Professional & scientific | 2012 |
| FS Investering AS | Professional & scientific | 2016 |
| Fto Holding AS | | 2026 |
| Fu Shun AS | Hospitality | 2018 |
| Fudi AS | Wholesale & retail | 2022 |
| Fudi Handel AS | Hospitality | 2023 |
| Fuel Partner AS | Wholesale & retail | 2022 |
| Fuglaneset Eiendom AS | Real estate | 2018 |
| Fuglaneset Invest AS | Real estate | 2005 |
| Fuhr Park AS | Real estate | 2006 |
| Fulltfokus AS | Education | 2017 |
| Fuma Partners AS | Real estate | 2024 |
| Funkweb Da | Information & communication | 1997 |
| Funkyapps AS | Information & communication | 2016 |
| Funkyard AS | Wholesale & retail | 2022 |
| Funy-As Aksjeselskap | Real estate | 2023 |
| Fupe Technology AS | Professional & scientific | 2012 |
| Furuhaug VVS AS | Construction | 2021 |
| Fusion in Motion AS | Education | 2025 |