| Fet Arena AS | Fetsund | 2015 |
| Fetsund Treningsenter AS | Fetsund | 2011 |
| Fetvassdraget Grunneigarlag | Straumgjerde | 1995 |
| Feversea Da | Oslo | 2025 |
| Few Dollars More SA | Mjøndalen | 2015 |
| Fglyd AS | Lysaker | 2020 |
| Fiboline AS | Årland | 2007 |
| Fidjekilen Båthavn AS | Kristiansand S | 2019 |
| Fidjeland Skitrekk AS | Tjørhom | 1989 |
| Fiedler AS | Fossdal | 2022 |
| Fieh AS | Oslo | 2019 |
| Fifty-Fifty Studio | Indre Arna | 2006 |
| Fight & Fitness AS | Bergen | 2010 |
| Fight the Fight Da | Oslo | 2018 |
| Fighters Gym Oslo AS | Oslo | 2019 |
| Figural Holding AS | Kristiansand S | 2023 |
| Fiksern AS | Jar | 1988 |
| Filament AS | Oslo | 2021 |
| Film Avec AS | Oslo | 2005 |
| Filmbling AS | Oslo | 2014 |
| Filosofilandskap Lofoten AS | Svolvær | 2024 |
| Fimbuljostedal Da | Jostedal | 2004 |
| Fimbulljod Productions AS | Gressvik | 2017 |
| Finding Neo Da | Tau | 2019 |
| Fine Blend SA | Lampeland | 2015 |
| Fingern Er Stilig AS | Oslo | 2012 |
| Fingerspitz Norge AS | Sarpsborg | 2025 |
| Finn & Wenches Solstudio Ans | Oppegård | 1989 |
| Finn Tokvam AS | Bergen | 2025 |
| Finnkroken Golfpark AS | Bardu | 2011 |
| Finnmark Festivalarrangør AS | Lakselv | 2011 |
| Finnmark Snowmobile Safari AS | Alta | 1991 |
| Finnmarkskontoret AS | Alta | 2019 |
| Finnmarksløpet AS | Alta | 2001 |
| Finnmarksveien Eiendom Ans | Hammerfest | 1996 |
| Finnskogen Aktivitetssenter AS | Sørskogbygda | 2021 |
| Finse Skisenter AS | Finse | 2009 |
| Fint Folk AS | Oslo | 2020 |
| Firemoth Entertainment AS | Oslo | 2026 |
| First Adventures AS | Tromsø | 2025 |
| First Lady Management AS | Bergen | 2015 |
| Fishfix AS | Bogen I Ofoten | 2019 |
| Fishing 4 Life AS | Tromsø | 2024 |
| Fiske I Nord-Norge AS | Melbu | 2026 |
| Fiskekort Dalavatnet SA | Sogndal | 2011 |
| Fiskepiren AS | Stavanger | 2021 |
| Fisking I Valdres SA | Slidre | 1989 |
| Fiskum Utmarkslag SA | Skollenborg | 1973 |
| Fist Magnet Entertainment AS | Lierskogen | 2019 |
| Fit for Fight Norge AS | Kråkerøy | 2013 |
| FIT4 AS | Høvik | 2017 |
| Fitfager AS | Narvik | 2018 |
| Fitforlife AS | Mandal | 2017 |
| Fithabs AS | Oslo | 2024 |
| Fitness 24/7 AS | Grimstad | 1998 |
| Fitness 24SEVEN AB | Se-22223 Lund | 2019 |
| Fitness Group Nordic AS | Oslo | 2009 |
| Fitness Invest AS | Oslo | 2022 |
| Fitness Og Rehab AS | Vinterbro | 2024 |
| Fitness Partner AS | Vinterbro | 2012 |
| Fitness Point SK AS | Oslo | 2017 |
| Fitness Topco AS | Oslo | 2022 |
| FITNESS24SEVEN AS | Oslo | 2009 |
| Fitnessfirst AS | Bergen | 2020 |
| Fitnessline AS | Ulset | 2012 |
| Fitnessplanet Svelvik AS | Svelvik | 2013 |
| Fitnesspoint Askim AS | Askim | 2017 |
| Fitnesspoint Aspøya Tingvoll Treningssenter AS | Øydegard | 2024 |
| Fitnesspoint Brenneriroa Løten AS | Ridabu | 2025 |
| Fitnesspoint Dokka AS | Dokka | 2019 |
| Fitnesspoint Drift AS | Trondheim | 2013 |
| Fitnesspoint Eidsvoll AS | Eidsvoll | 2015 |
| Fitnesspoint Fosen AS | Lysøysundet | 2022 |
| Fitnesspoint Group AS | Trondheim | 2013 |
| Fitnesspoint Hommelvik AS | Vikhammer | 2022 |
| Fitnesspoint Jarlsø AS | Tønsberg | 1989 |
| Fitnesspoint Jørpeland AS | Jørpeland | 2015 |
| Fitnesspoint Kristiansund Treningssenter AS | Kristiansund N | 2016 |
| Fitnesspoint Kyrksæterøra Treningssenter AS | Kyrksæterøra | 2025 |
| Fitnesspoint Lillesand AS | Lillesand | 2020 |
| Fitnesspoint Malvik (Sveberg) Treningssenter AS | Hommelvik | 2025 |
| Fitnesspoint Maura Treningssenter AS | Maura | 2025 |
| Fitnesspoint Orkanger Treningssenter AS | Orkanger | 2023 |
| Fitnesspoint Rjukan Treningssenter AS | Rjukan | 2025 |
| Fitnesspoint Sand Jessheim Treningssenter AS | Jessheim | 2023 |
| Fitnesspoint Selbu Treningssenter AS | Selbu | 2026 |
| Fitnesspoint Skibotn AS | Skibotn | 2022 |
| Fitnesspoint Stjørdal AS | Skatval | 2017 |
| Fitnesspoint Sunndalsøra AS | Molde | 2019 |
| Fitnesspoint Sørumsand Treningssenter AS | Sørumsand | 2025 |
| Fitnesspoint Treningsenter Dyrøy AS | Brøstadbotn | 2025 |
| Fitnessroom Kværnerbyen AS | Oslo | 2012 |
| Fitnessroom Rykkinn AS | Rykkinn | 2014 |
| Fitnessroom Sandvika AS | Sandvika | 2010 |
| Fitnessxpress AS | Oslo | 2006 |
| Fitzpatrick Import Group Norge | Se-187 66 Täby | 2016 |
| Five Eight Five Entertainment AS | Tertnes | 2025 |
| Fjaler Turnéteater AS | Dale I Sunnfjord | 2024 |
| Fjaselisa AS | Oslo | 2014 |
| Fjeldberg Marina AS | Fredrikstad | 1999 |