| Fremstad AS | Construction | 2003 |
| Fremstad Holding AS | Construction | 2016 |
| Fremtech AS | | 2026 |
| Fremtid AS | | 2026 |
| Fremtid Bio AS | Professional & scientific | 2025 |
| Fremtiden Eiendomsmegling AS | Real estate | 2000 |
| Fremtiden Holdingselskap AS | | 2026 |
| Fremtiden Invest AS | Professional & scientific | 2014 |
| Fremtiden Newco AS | | 2026 |
| Fremtids Invest AS | | 2021 |
| Fremtidskraft Invest AS | | 2020 |
| Fremtidssmia SA | Real estate | 2009 |
| Fremtind Eiendom AS | Real estate | 2019 |
| Fremtind Forsikring AS | Financial services | 1921 |
| Fremtind Holding AS | Financial services | 2024 |
| Fremtind Livsforsikring AS | Financial services | 2019 |
| Fremtind NXT AS | | 2024 |
| French Escape AS | Real estate | 2025 |
| French Tacos & Burger AS | Hospitality | 2021 |
| French Tacos Burgers & Avenue AS | Hospitality | 2024 |
| Frenchie AS | Hospitality | 2018 |
| Frend Digital AS | Information & communication | 2021 |
| Frend Holding AS | Information & communication | 2021 |
| Frenico AS | Real estate | 1993 |
| Frenisa AS | Real estate | 2004 |
| Frennings Vei 19 Eiendom AS | Real estate | 2021 |
| Frennings Vei 3 AS | Real estate | 2026 |
| Frenningsvei 29 Panorama AS | Real estate | 2023 |
| Freo Nordics AS | Real estate | 2026 |
| Frequency Agency Da | Arts & recreation | 2005 |
| Frequentis Norway AS | Information & communication | 2014 |
| Fresch AS | Professional & scientific | 2021 |
| Fresch Kapital AS | | 2024 |
| Fresco AS | Agriculture & fishing | 2000 |
| Fresenius Holding AS | Real estate | 2015 |
| Fresenius Kabi Norge AS | Wholesale & retail | 1998 |
| Freserveien 1 AS | Real estate | 2015 |
| Fresh C Food AS | Wholesale & retail | 2017 |
| Fresh Cutz AS | Other services | 2014 |
| Fresh Fade AS | Other services | 2024 |
| Fresh Fitness AS | Arts & recreation | 2010 |
| Fresh Frukt Og Grønt AS | Wholesale & retail | 2020 |
| Fresh Gruppen AS | Wholesale & retail | 2022 |
| Fresh Handmade Cosmetics AS | Wholesale & retail | 2022 |
| Fresh Holding AS | | 2007 |
| Fresh Nor AS | Real estate | 1988 |
| Fresh Start AS | Manufacturing | 2014 |
| Fresh Sushi Helsfyr Ny AS | Hospitality | 2023 |
| Fresh Water Norway AS | Manufacturing | 2018 |
| Freshfin AS | | 2026 |
| Freshline AS | Wholesale & retail | 2014 |
| Freshtech Holding AS | Wholesale & retail | 2000 |
| Fresje AS | Financial services | 1955 |
| Freska Norway AS | Administrative & support | 2015 |
| Fresko AS | Real estate | 2018 |
| Freskus AS | | 2025 |
| Freste Holding AS | Financial services | 2017 |
| Fretex International AS | Wholesale & retail | 2002 |
| Fretex Miljø AS | Wholesale & retail | 2017 |
| Freto Invest AS | Financial services | 2005 |
| Frettem Holding AS | Information & communication | 2017 |
| Freudian Kicks AS | Wholesale & retail | 2007 |
| Frewed AS | Professional & scientific | 2026 |
| Frewilla AS | Professional & scientific | 2007 |
| Frewilla Services AS | Professional & scientific | 2013 |
| Frey.Ai AS | Professional & scientific | 2017 |
| Freya Auerbach AS | | 2024 |
| Freya Eiendom AS | Real estate | 2025 |
| Freyja Oslo AS | Wholesale & retail | 2018 |
| Freyja Taxfree AS | Professional & scientific | 2019 |
| Freyr Devik AS | Professional & scientific | 2022 |
| Freyr Initiative AS | | 2024 |
| Freyr Opportunities AS | Financial services | 2024 |
| Fri AS | Professional & scientific | 2001 |
| Fri Bokhandel SA | Administrative & support | 1998 |
| Fri Da Media AS | Professional & scientific | 2026 |
| Fri Film AS | Information & communication | 2012 |
| Fri Flyt AS | Information & communication | 1998 |
| Fri Fugl AS | Professional & scientific | 2019 |
| Fri Ikt AS | Information & communication | 2012 |
| Fri Invest AS | Financial services | 2005 |
| Fri Kraft AS | Construction | 2026 |
| Fri Mann AS | | 2016 |
| Fri Randen AS | | 2025 |
| Fri Ren Pleie AS | Wholesale & retail | 2016 |
| Fribah Holding AS | | 2021 |
| Frich & Holm Invest AS | Professional & scientific | 2006 |
| Frico AS | Wholesale & retail | 1981 |
| Frida Auerbach AS | Transport & logistics | 2023 |
| Frida Fjelberg Lunde AS | Professional & scientific | 2021 |
| Frida Forvaltning AS | | 2018 |
| Frida Leonore AS | Arts & recreation | 2022 |
| Frida Marie AS | Professional & scientific | 2022 |
| Frida Moéll AS | | 2025 |
| Frida Ånnevik AS | Arts & recreation | 2021 |
| Friday AS | | 2024 |
| Fride Severeide Holding AS | | 2019 |
| Fridella Holding AS | | 2026 |
| Fridheim Barnehage AS | Education | 1999 |
| Fridheim Holding AS | | 2019 |