| Ferdinands AS | Wholesale & retail | 2015 |
| Ferdinands Norway AS | | 2023 |
| Fergefjellet AS | Professional & scientific | 2005 |
| Feriesenter AS | Hospitality | 1993 |
| Ferns AS | | 2021 |
| Ferns II AS | | 2025 |
| Festival Fyrverkeri AS | Wholesale & retail | 1991 |
| Festningsgata 45 Invest AS | | 2023 |
| Festningsgata 50 Eiendom AS | Professional & scientific | 2024 |
| Festningsgata 52 AS | Real estate | 2025 |
| Festningsgata 6 AS | Real estate | 2022 |
| Fevik Senter AS | Real estate | 2005 |
| FGT 8 AS | Real estate | 2011 |
| Fiat Holding AS | | 2021 |
| Fiber Line AS | Construction | 2019 |
| Fiber Sør AS | Information & communication | 2012 |
| Fiber TV AS | Information & communication | 2018 |
| Fiberinvest AS | Construction | 2001 |
| Ficava Invest AS | | 2022 |
| Fidalgo Film Production AS | Information & communication | 2018 |
| Fides.Agency AS | | 2018 |
| Fidje AS | Real estate | 2005 |
| Fidjekilen Båthavn AS | Arts & recreation | 2019 |
| Fidjeland Invest AS | Other services | 2003 |
| Fidjeåsen Eiendom AS | Real estate | 2009 |
| Fielddo Holding AS | Professional & scientific | 2005 |
| Fiftyfive AS | Hospitality | 2025 |
| Figural Holding AS | Arts & recreation | 2023 |
| Figuru AS | Professional & scientific | 2002 |
| Fiko AS | Information & communication | 2004 |
| Fikser Det AS | Professional & scientific | 2025 |
| Fil Holding AS | Financial services | 2005 |
| Fila Holding AS | | 2021 |
| Filadelfia Kristiansand AS | Real estate | 2008 |
| Filina AS | Real estate | 2005 |
| Filmtek AS | Information & communication | 2005 |
| Filo Da | Wholesale & retail | 2024 |
| Filoka Holding AS | | 2024 |
| Filteravtalen AS | Wholesale & retail | 2024 |
| Fin Skippergada AS | Wholesale & retail | 2012 |
| Finans Sør AS | Real estate | 1996 |
| Finbevis AS | Information & communication | 2026 |
| Finders Nordic AS | Wholesale & retail | 2005 |
| Finsland Lager AS | Real estate | 2026 |
| Fint Håndverk AS | Construction | 2019 |
| Fire Security AS | Professional & scientific | 1998 |
| Fire Security Holding AS | Professional & scientific | 2016 |
| Fire Årstider AS | Education | 2003 |
| Fireball Norge AS | Wholesale & retail | 2025 |
| Firemesh AS | Information & communication | 2018 |
| Firenor AS | Manufacturing | 2010 |
| Firenor International AS | Real estate | 2010 |
| Fireproducts AS | Professional & scientific | 2010 |
| Firkløver Eiendom Og Utleie AS | Real estate | 2026 |
| First Bunkering AS | Wholesale & retail | 2012 |
| FIRST10 AS | Information & communication | 2026 |
| Fischer Eiendom AS | Real estate | 2004 |
| Fishco Holding AS | Agriculture & fishing | 2019 |
| Fished AS | Wholesale & retail | 2020 |
| Fiskebrygga Eiendom AS | Real estate | 2002 |
| Fiskeeksperten Reinhartsen AS | Manufacturing | 2016 |
| Fiskehav SA | Wholesale & retail | 1947 |
| Fiskeriservice AS | Professional & scientific | 1991 |
| Fiskesalg AS | Wholesale & retail | 1990 |
| Fiskesalg Holding AS | Wholesale & retail | 2005 |
| Fiskåtangen Eiendom AS | Real estate | 2013 |
| Fitnessgrossisten AS | Wholesale & retail | 2008 |
| Fjaka Invest AS | | 2020 |
| Fjeldal Smedemark Arkitektur AS | Professional & scientific | 2023 |
| Fjeldsaa AS | Real estate | 2017 |
| Fjellbø Vann- Og Renseanlegg Samvirkelag | Water & waste | 2020 |
| Fjelldriftsør AS | Construction | 2026 |
| Fjellgata 10 AS | Real estate | 2007 |
| Fjellhytta Sør AS | Construction | 2017 |
| Fjellsteggen Holding AS | Real estate | 2018 |
| Fjellsteggen Rauland AS | Real estate | 2017 |
| Fjelltoppen 2B AS | Real estate | 2024 |
| Fjellvang Minigraving Og Utleie AS | Construction | 2024 |
| Fjellvang Productions AS | Arts & recreation | 2022 |
| Fjermeros Eiendom AS | Real estate | 2016 |
| Fjernarkivet AS | Real estate | 2007 |
| Fjo VB Holding AS | | 2025 |
| Fjord Shop AS | Wholesale & retail | 2026 |
| Fjord-Bygg AS | Construction | 1993 |
| FK Kristiansand AS | Wholesale & retail | 2019 |
| Flaa Bygg Og Innredning AS | Construction | 2019 |
| Flaa Capital AS | | 2024 |
| Flaa VVS AS | Construction | 2004 |
| Flaatt Invest AS | Professional & scientific | 2019 |
| Flagestad Holding AS | | 2026 |
| Flak & Fagerland AS | | 2026 |
| Flak & Fekjær AS | Real estate | 2013 |
| Flak AS | Wholesale & retail | 2014 |
| Flaks Og Finans AS | | 2025 |
| Flaksovertid Invest AS | | 2026 |
| Flammen Søm AS | Hospitality | 2026 |
| Flateland Camping Og Hyttesenter Ans | Hospitality | 2005 |
| Flavour of Norway AS | Wholesale & retail | 2019 |
| Flekkefjord Holding AS | Construction | 2017 |
| Flekken Holding AS | | 2022 |