| Fram Realinvest AS | Real estate | 2019 |
| Fram Reklame-Byrå AS | Professional & scientific | 1985 |
| Fram Rekruttering Og Rådgivning AS | Administrative & support | 2022 |
| Fram Saga AS | Professional & scientific | 1980 |
| Fram Technology AS | | 2016 |
| Fram Venture AS | Information & communication | 2014 |
| Fram Wind Solutions AS | | 2021 |
| Fram Wines AS | Wholesale & retail | 2011 |
| Fram X AS | Information & communication | 2017 |
| Fram Økonomi Oslo AS | Professional & scientific | 2023 |
| Framar Invest AS | Real estate | 2008 |
| Framar Management AS | Transport & logistics | 2013 |
| Framba Holding AS | | 2016 |
| Framberg AS | Administrative & support | 2026 |
| Framboise Invest AS | | 2021 |
| Framdrift AS | Real estate | 2018 |
| Frame Consulting AS | Professional & scientific | 2016 |
| Framequest Ans | Information & communication | 2024 |
| Frameshop Fagerborg AS | Manufacturing | 2025 |
| Framework Strategiprosess AS | Professional & scientific | 2023 |
| Framfjorden Brygge AS | | 2026 |
| Framfjorden Gruve AS | | 2026 |
| Framgang AS | Education | 1990 |
| Framheim Capital Partners AS | | 2025 |
| Framifrå AS | Professional & scientific | 2015 |
| Framifrå Teater Da | Arts & recreation | 2015 |
| Framnes 12 AS | Real estate | 2011 |
| Framnes Eiendom AS | Real estate | 1989 |
| Framnes Holdco AS | | 2020 |
| Framnes Tekst & Bilde AS | Professional & scientific | 1981 |
| Frampton Invest AS | | 2025 |
| Framsyni AS | Professional & scientific | 2026 |
| Framtech AS | Professional & scientific | 2009 |
| Framtech Holding AS | | 2019 |
| Framtid Elektro AS | Construction | 2022 |
| Framtidarsyn AS | | 2023 |
| Framtind Eiendom AS | Real estate | 2021 |
| Framvaren Invest AS | | 2025 |
| Framvind AS | Information & communication | 2023 |
| Franatech AS | Information & communication | 2008 |
| France Evaporation SAS | Wholesale & retail | 2012 |
| Francioar AS | Financial services | 2017 |
| Francis Holding AS | Other services | 2016 |
| Francis Lastebilservice AS | Other services | 2020 |
| Francis Live Creations AS | Arts & recreation | 2025 |
| Francke Bygg AS | Construction | 1988 |
| Francke Crisis Management AS | Professional & scientific | 2023 |
| Francke Invest AS | Real estate | 2015 |
| Francke Lund Holding AS | | 2018 |
| Frangipani AS | Education | 2024 |
| Frank & Dick AS | Professional & scientific | 2019 |
| Frank Grønvold AS | Construction | 2005 |
| Frank Hogeus AS | Wholesale & retail | 2025 |
| Frank Kampe AS | Financial services | 2005 |
| Frank Legal AS | Professional & scientific | 2025 |
| Frank Marlow Christensen Eiendom AS | Real estate | 2018 |
| Frank Produksjoner SA | Arts & recreation | 2025 |
| Frank Søndergaard Renhold Og Service AS | Administrative & support | 2017 |
| Frank Walton AS | Wholesale & retail | 2013 |
| Frank Znort Quartet SA | Arts & recreation | 2019 |
| Franke Onsrud Blikkslageri AS | Construction | 1988 |
| Franke Onsrud Eiendom AS | Construction | 1980 |
| Franke Onsrud Holding AS | Real estate | 2017 |
| Franke Onsrud Invest AS | Construction | 2017 |
| Franke Sjøberg AS | Administrative & support | 1985 |
| Frankies Barbershop AS | Other services | 2024 |
| Franko AS | Wholesale & retail | 2020 |
| Frano AS | Water & waste | 2023 |
| Franqueza AS | Professional & scientific | 2019 |
| Frans Holding AS | | 2021 |
| Franscandia AS | Real estate | 1956 |
| Fransk Kulturhus AS | Education | 2020 |
| Franskonline AS | Education | 2024 |
| Frantsoy Limited | Manufacturing | 2018 |
| Franz Tandberg AS | | 2023 |
| Franz Wilhelm AS | Information & communication | 2017 |
| Franzefossbyen AS | | 1997 |
| Franzhubert Invest AS | | 2021 |
| Fras AS | Professional & scientific | 2010 |
| Fraser-Green AS | Information & communication | 2010 |
| Fraternitas Invest AS | Real estate | 2005 |
| Fratrum Bemanning AS | Administrative & support | 2021 |
| Fraunar AS | Real estate | 2005 |
| Fraunar Capital Management AS | Financial services | 2021 |
| Fraunar Invest AS | Financial services | 2022 |
| Fravia AS | Real estate | 2018 |
| Frax AS | Financial services | 2006 |
| Fraxinus AS | Financial services | 2003 |
| FRD Invest AS | Financial services | 2018 |
| Fre G15 AS | | 2021 |
| Fre Invest AS | Real estate | 2020 |
| Fre Oud AS | | 2021 |
| Fream AS | Information & communication | 2023 |
| Frebergsvik Veglag SA | Real estate | 2000 |
| Frec Invest AS | Financial services | 2005 |
| Frecec AS | Financial services | 2001 |
| Fred Consulting AS | Professional & scientific | 2019 |
| Fred Eiendom AS | Real estate | 2015 |
| Fred Hamelten AS | Wholesale & retail | 2013 |
| Fred Jonny AS | Professional & scientific | 2009 |