| Fagerstad Ainvest AS | Real estate | 2020 |
| Fagerstad Eiendom AS | Real estate | 1997 |
| Fagerstad Holding AS | Real estate | 2016 |
| Fagerstad Neptune AS | Real estate | 2013 |
| Fagerstad Spor AS | Real estate | 2015 |
| Fagerstad Utvikling AS | Real estate | 2014 |
| Fagerstad Utvikling V AS | Real estate | 2004 |
| Fagervann AS | Hospitality | 2022 |
| Fagervoll Eiendom AS | Real estate | 2022 |
| Fageråsen Prime AS | Real estate | 2019 |
| Fagfilm AS | Information & communication | 2007 |
| Fagflis AS | Wholesale & retail | 1989 |
| Fagfolk Norge AS | Real estate | 2023 |
| Faghandel AS | Wholesale & retail | 2020 |
| Faghjem AS | Health & social care | 2025 |
| Fagkonsult AS | Real estate | 1990 |
| Faglig Forum AS | Education | 1986 |
| Faglig Forum for Helse Og Sosialtjenesten Avd Media AS | Professional & scientific | 1995 |
| Faglig Påfyll AS | Education | 2025 |
| Fagmaler Og Vedlikehold AS | Construction | 2025 |
| Fagmaleren AS | Construction | 2015 |
| Fagmester VVS AS | Construction | 2014 |
| Fagra AS | Professional & scientific | 2021 |
| Fagskolen Bha AS | Education | 2017 |
| Fagskolen Diakonova Holding AS | | 2021 |
| Fagskolen Kristiania AS | Education | 2012 |
| Fagspesialisten AS | Professional & scientific | 1993 |
| Fagspill AS | Wholesale & retail | 2019 |
| Fagsprinkler AS | Professional & scientific | 2022 |
| Fagvar AS | Information & communication | 2026 |
| Fah Consulting AS | Professional & scientific | 2013 |
| Fahad Eiendom AS | Real estate | 2016 |
| Fahim Consulting AS | Information & communication | 2025 |
| Fahlstrøm Utvikling AS | Real estate | 2020 |
| Fahr Da | Financial services | 2006 |
| Fahre Holding AS | | 2022 |
| Fahrenheit Fashions Da | Wholesale & retail | 2010 |
| Fahres Barne- Og Ungdomspsykiatri AS | Health & social care | 2020 |
| Fahu AS | Professional & scientific | 2020 |
| Faiakerne AS | Professional & scientific | 2026 |
| Fair & Square AS | Wholesale & retail | 2016 |
| Fair Collection AS | Administrative & support | 2018 |
| Fair Collection Norge AS | Administrative & support | 2024 |
| Fair Consultancy AS | Professional & scientific | 2024 |
| Fair Distribusjon AS | Administrative & support | 2024 |
| Fair Distribution AS | Professional & scientific | 2016 |
| Fair Group AS | Information & communication | 2017 |
| Fair Group AS | | 2023 |
| Fair Hand AS | | 2026 |
| Fair Mont AS | Manufacturing | 1986 |
| Fair Mont Holding AS | Manufacturing | 1997 |
| Fair Norge AS | Administrative & support | 2003 |
| Fair Partners AS | | 2018 |
| Fair Partners Norge AS | Administrative & support | 2024 |
| Fair Play AS | Arts & recreation | 1996 |
| Fair Solutions AS | Administrative & support | 2019 |
| Fair Technology AS | Professional & scientific | 2024 |
| Fair Winds Invest AS | Financial services | 2013 |
| Fairchance Group AS | Information & communication | 2003 |
| Fairly Holding AS | | 2023 |
| Fairown Norway AS | Information & communication | 2022 |
| Fairsight AS | Information & communication | 2021 |
| Fairwater Energy AB Nuf | Financial services | 2024 |
| Fairway Capital AS | | 2026 |
| Fairway Invest AS | Real estate | 1997 |
| Faist Holding AS | | 2023 |
| Fakkel Forlag AS | Information & communication | 2014 |
| Fakta Eiendomssenter AS | Real estate | 2019 |
| Faktisk.No AS | Information & communication | 2017 |
| Fakturafinans AS | Financial services | 2017 |
| Falador AS | Real estate | 2024 |
| Falafel & Juice AS | Hospitality | 2020 |
| Falafel N Juice 3 AS | Hospitality | 2021 |
| Falafel N Juice Majorstuen AS | Hospitality | 2025 |
| Falafel N Juice Torggata AS | Hospitality | 2021 |
| Falak Holding AS | Hospitality | 2013 |
| Falang Holding AS | | 2026 |
| Falanks Industrier AS | Financial services | 2007 |
| Falbesgate 18 Holding AS | | 2024 |
| Falbesgate 5 Da | Real estate | 2008 |
| Falbesgate Holding AS | Real estate | 2023 |
| Falch AS | Information & communication | 2015 |
| Falch Moltzau Holding AS | | 2026 |
| Falchenberg Holding AS | Real estate | 2025 |
| Falchenberg&Familie AS | | 2024 |
| Falchoner Advisory AS | Real estate | 2021 |
| Falchoner Eiendom AS | Real estate | 1999 |
| Falchoner Invest AS | Real estate | 2006 |
| Falchoner Næring AS | Real estate | 2013 |
| FALCHONER4FUN AS | Arts & recreation | 2024 |
| Falck Consulting AS | Professional & scientific | 2014 |
| Falck Eiendom AS | Real estate | 2004 |
| Falck Forlag AS | Information & communication | 2010 |
| Falck Global Assistance Norway AS | Financial services | 1956 |
| Falck Helseformidling AS | Health & social care | 2006 |
| Falck Holding AS | | 2021 |
| Falck Insight AS | Professional & scientific | 2025 |
| Falck Invest AS | | 2026 |
| Falck Norge AS | Health & social care | 2007 |
| Falck Ytters Plass Eiendom AS | Real estate | 1997 |