| Fredrick AS | Fredrikstad | 2010 |
| Fredrik Gjernes AS | Oslo | 2016 |
| Fredrik Kjeldsberg Invest AS | Sande I Vestfold | 2005 |
| Fredrik Langes Gate 20 AS | Tromsø | 1947 |
| Fredrik Langes GT 19/21 AS | Tromsø | 2012 |
| Fredrik Langes GT 19/21 Seksjon 2 AS | Oslo | 2014 |
| Fredrik Meltzers Gate 11 Da | Indre Arna | 2024 |
| Fredrik Meltzers Gate 8 AS | Bergen | 2024 |
| Fredrik Meltzersgate 22 AS | Valestrandsfossen | 2011 |
| Fredrik Nikkerud AS | Vestfossen | 2013 |
| Fredrik Selmers Vei 4 AS | Oslo | 2015 |
| Fredrik Selmers Vei 6 AS | Oslo | 2019 |
| Fredrik Selmersvei 5 AS | Oslo | 2012 |
| Fredrik Stangs Gate 3 AS | Stokke | 2020 |
| Fredrik Stangs Gate 9 AS | Sandefjord | 2019 |
| Fredrik Stangs Gate AS | Larvik | 2019 |
| Fredrik Syvertsen AS | Reistad | 2005 |
| Fredrik Østberg AS | Stavern | 2005 |
| Fredrikke AS | Sætre | 2017 |
| Fredrikke Eiendom AS | Nærsnes | 2016 |
| Fredrikke Fritidseiendom AS | Oslo | 2006 |
| Fredrikke Holding AS | Oslo | 2005 |
| Fredrikke Onsrud Holding AS | Oslo | 2017 |
| Fredriksberg Eiendom AS | Øvrebø | 2015 |
| Fredriksbo AS | Orkanger | 2016 |
| Fredriksborg AS | Fredrikstad | 1991 |
| Fredriksborg Eiendom 1 AS | Fredrikstad | 2024 |
| Fredriksborg Eiendom 2 AS | Fredrikstad | 2024 |
| Fredriksborg Eiendom 3 AS | Fredrikstad | 2024 |
| Fredriksborg Eiendom 4 AS | Fredrikstad | 2018 |
| Fredriksborg Eiendom AS | Fredrikstad | 1969 |
| Fredriksborg Investor AS | Fredrikstad | 2013 |
| Fredriksborg Utvikling AS | Fredrikstad | 2009 |
| Fredriksen Eiendom AS | Kvalsund | 1999 |
| Fredriksen Gruppen AS | Søreidgrend | 2010 |
| Fredriksen-Eiendom AS | Rygge | 2021 |
| Fredriksens Sønner AS | Henningsvær | 2015 |
| Fredriksholm Eiendom AS | Kristiansand S | 1991 |
| Fredriksholm Holding AS | Kristiansand S | 1988 |
| Fredriksholm Invest AS | Flekkerøy | 2008 |
| Fredrikstad Amcar Club AS | Fredrikstad | 2006 |
| Fredrikstad Apartments AS | Fredrikstad | 2013 |
| Fredrikstad Boligutleie AS | Fredrikstad | 2018 |
| Fredrikstad Bruktbil Eiendom AS | Fredrikstad | 2019 |
| Fredrikstad Bygg AS | Torp | 2017 |
| Fredrikstad Byinvest 2 AS | Oslo | 2018 |
| Fredrikstad Byinvest AS | Oslo | 2018 |
| Fredrikstad Eiendom & Marina AS | Årnes | 2014 |
| Fredrikstad Eiendom AS | Gressvik | 1997 |
| Fredrikstad Eiendomskontor AS | Fredrikstad | 1981 |
| Fredrikstad Eiendomsmegling AS | Fredrikstad | 2021 |
| Fredrikstad Eiendomsutvikling AS | Gressvik | 2007 |
| Fredrikstad Hybelutleie AS | Gressvik | 1996 |
| Fredrikstad Idrettspark AS | Kråkerøy | 2025 |
| Fredrikstad Innovasjonspark AS | Gamle Fredrikstad | 2009 |
| Fredrikstad Kontorbygg AS | Oslo | 2017 |
| Fredrikstad Låsservice AS | Nesttun | 2017 |
| Fredrikstad Marina AS | Fredrikstad | 2012 |
| Fredrikstad Parkering AS | Fredrikstad | 1995 |
| Fredrikstad Pizza & Grill AS | Fredrikstad | 2007 |
| Fredrikstad Properties AS | Kråkerøy | 2024 |
| Fredrikstad Shipping Co AS | Fredrikstad | 1915 |
| Fredrikstad Utvikling AS | Fredrikstad | 2014 |
| Fredrikstad VGS AS | Oslo | 2024 |
| Fredrikstad Videregående Ops AS | Oslo | 2025 |
| Fredrikstadadvokatene AS | Fredrikstad | 2000 |
| Fredriksten Festningshotell Eiendom AS | Halden | 2010 |
| Fredriksten Utvikling AS | Halden | 1999 |
| Fredriksvern Eiendom AS | Stavern | 2014 |
| Fredriksvern Fisk AS | Stavern | 1999 |
| Fredstad Eiendom AS | Ski | 2014 |
| Fredsvik Takst & Eiendom AS | Drammen | 2019 |
| Fredtun | Gjerdsvika | 1958 |
| Fredtun Eiendom AS | Krokstadelva | 2026 |
| Fredvang Eiendom AS | Hamar | 2000 |
| Fredvik Property Invest AS | Songe | 2025 |
| Freedom Energy AS | Sandnes | 2013 |
| Freedom Farm AS | Holmsbu | 2005 |
| Freedom Holding AS | Harstad | 2020 |
| Freelance Living AS | Stathelle | 2020 |
| Freg AS | Oslo | 1996 |
| Fregattveien 40 AS | Tolvsrød | 2023 |
| Frege AS | Hafrsfjord | 1995 |
| Freha Eiendom AS | Sannidal | 2013 |
| Frei Administrasjonsbygg AS | Kristiansund N | 1988 |
| Frei Eiendom AS | Ålesund | 2021 |
| Frei Eiendomsutvikling AS | Frei | 2021 |
| Frei Grendahus SA | Frei | 1995 |
| Frei-Torget AS | Frei | 2006 |
| Freia Eiendom AS | Kleppestø | 2017 |
| Freidigveien 3 AS | Oslo | 2015 |
| Frejan AS | Stokmarknes | 2007 |
| Freka Invest AS | Isdalstø | 2009 |
| Freka Økonomi AS | Isdalstø | 2014 |
| Frekhaug BT4 S1 AS | Grimstad | 2024 |
| Frekhaug BT4 S2 AS | Grimstad | 2024 |
| Frekhaug BT4 S3 AS | Grimstad | 2024 |
| Frekhaug BT4 S4 AS | Grimstad | 2024 |
| Frekhaug Gruppen AS | Rossland | 2013 |
| Frekhaug Helsebygg AS | Bergen | 2006 |