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| Fredriksen Holding AS | Vega | 2008 |
| Fredriksen Silketrykk Ans | Hjelmeland | 1995 |
| Fredriksen Silketrykk AS | Hjelmeland | 2021 |
| Fredriksens Fabrikk AS | Treungen | 1992 |
| Fredrikshald Multitjenester AS | Tistedal | 2023 |
| Fredrikshald Vineri AS | Halden | 2022 |
| Fredriksons Verkstads Aktiebolag Nuf | Se-592 30 Vadstena | 2020 |
| Fredriksstad Motorfabrik AS | Borgenhaugen | 1923 |
| Fredrikstad Industrilakk AS | Torp | 2021 |
| Fredrikstad Metallindustri AS | Gressvik | 1995 |
| Fredrikstad Mikrobryggeri AS | Gamle Fredrikstad | 2013 |
| Free Fog AS | Åkrehamn | 2025 |
| Freewind Energy GmbH | De-37589 Kalefeld-Olderode | 2010 |
| Frei Treprofil AS | Frei | 1988 |
| Frekhaug Maskinering AS | Frekhaug | 2017 |
| Frekhaug Stål AS | Frekhaug | 1955 |
| Frekhaug Vinduet AS | Frekhaug | 1979 |
| Frem Bodø AS | Bodø | 1971 |
| Frem Kompetanse AS | Bodø | 2022 |
| Fremek AS | Gamle Fredrikstad | 2017 |
| Fremeo GmbH | De-39418 Stassfurt | 2025 |
| Fremgård Sag AS | Prestfoss | 2013 |
| Fremo AS | Stavern | 1988 |
| Fren AS | Vestby | 2022 |
| French Bakery Company AS | Lierstranda | 1985 |
| Frengen Slip & Motorverksted AS | Fevåg | 2016 |
| Freseservice AS | Skudeneshavn | 2018 |
| Fresh Kosmetikk AS | Paradis | 2002 |
| Fresh Start AS | Oslo | 2014 |
| Fresh Water Norway AS | Oslo | 2018 |
| Freshdrop AS | Bodø | 2025 |
| Fresvik Produkt AS | Fresvik | 1978 |
| Freudenberg Flow Technologies AS | Sandnes | 2003 |
| Frewi AS | Torsken | 2005 |
| Fri Vei AS | Froland | 2024 |
| Fridheim Dental AS | Sandnes | 1985 |
| Fridlund Plast Og Båt AS | Stavern | 1991 |
| Frigstad Service AS | Farsund | 2026 |
| Frigstad Trading AS | Lillesand | 2019 |
| Frilsethdesign AS | Oslo | 2024 |
| Friluftsstrikk Da | Tomasjord | 2025 |
| Frimerkeverket Da | Farstad | 2004 |
| Frisema AS | Follese | 2015 |
| Frisk Bris Holding AS | Arendal | 2013 |
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| Fristelsen Bakeri Og Konditori AS | Storslett | 2010 |
| Frisvoll Da | Eresfjord | 2019 |
| Frito AS | Porsgrunn | 1987 |
| Fritsch Bakery Technologies GmbH & Co.Kg | De-97348 Markt Einersheim | 2022 |
| Fritsch GmbH | De-97348 Markt Einersheim | 2017 |
| Fritt Fall Ltd Nuf | Haslum | 2009 |
| Fritz Werner Industrie-Ausrustungen GmbH | Drammen | 1999 |
| Frium Holding AS | Skien | 2005 |
| Friva AS | Spydeberg | 1962 |
| Frk.Engsbråten AS | Voss | 2021 |
| Froan Forretningsdrift AS | Sørburøy | 1988 |
| Frode Kjøsnes AS | Førde | 2012 |
| Frode Larsen Holding AS | Ulefoss | 2015 |
| Frode M Holding AS | Hauge I Dalane | 2018 |
| Frode Waagan AS | Skodje | 2023 |
| Froga AS | Nedre Eggedal | 2021 |
| Frogn Elektro AS | Drøbak | 2011 |
| Frogner Food Company Da | Oslo | 2023 |
| Fromm Norge AS | Drammen | 2005 |
| Fron Bilskade AS | Sør-Fron | 2024 |
| Fron Ved Da | Sør-Fron | 2019 |
| Front Equipment AB Nuf | Se-533 30 Götene | 2024 |
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| Frost Dental Lab AS | Kristiansand S | 2009 |
| Frost Design AS | Lier | 2000 |
| Frost Seafood Norge AS | Moltustranda | 2023 |
| Frosta Lefsebakeri AS | Frosta | 1995 |
| Frostachips AS | Frosta | 2020 |
| Frostglød AS | Kristiansand S | 2024 |
| Froze Acai AS | Skjetten | 2025 |
| Fru Flo Systue for Bunader AS | Fjellhamar | 2020 |
| Fru Hang AS | Oslo | 2021 |
| Fru Hang Holding AS | Oslo | 2022 |
| Fru Nelik AS | Rissa | 2015 |
| Fruens Handel Invest AS | Kristiansand S | 2018 |
| Fruens Holding AS | Kristiansand S | 2023 |
| Fruflon AS | Bjørkelangen | 2026 |
| Frugalis AS | Ålesund | 2018 |
| Frukthagen Hardanger AS | Oslo | 2021 |
| Frya V&3 AS | Ringebu | 2021 |
| Fryda AS | Skien | 2022 |
| Frydenbø Boats AS | Borgenhaugen | 1990 |
| Frydenbø Elmarin AS | Kristiansund N | 2014 |
| Frydenbø Forward AS | Hauglandshella | 2006 |
| Frydenbø International AS | Laksevåg | 2024 |
| Frydenbø Maritime Industries AS | Laksevåg | 2020 |
| Frydenbø Yards Blokken AS | Sortland | 2002 |
| Frydenbø Yards Havøysund AS | Havøysund | 2011 |
| Frydenbø Yards Øksfjord AS | Øksfjorden | 1992 |
| Fryken Svets AB | Kongsvinger | 2008 |
| Frykenmontage AB | Se-686 91 Sunne | 2009 |
| Fræna Bygdeservice AS | Aureosen | 2012 |
| Fræna Trykk AS | Elnesvågen | 1993 |
| Frøhol Brug AS | Askim | 2025 |