| Flintergaten 4 AS | Real estate | 2020 |
| Flipper Invest AS | | 2022 |
| Flislegger Rødberg AS | Construction | 2026 |
| Flislegger Simonsen AS | Construction | 2019 |
| FLL Invest AS | | 2018 |
| Flokki AS | Information & communication | 2021 |
| Flopetrol International AS | Professional & scientific | 2007 |
| Flopetrol Well Barrier AS | Professional & scientific | 2017 |
| Florida Designs Limited | Professional & scientific | 2019 |
| Florvaag Bolig AS | Real estate | 2006 |
| Floso AS | Information & communication | 2026 |
| Flow Elektro Sør-Vest AS | Construction | 2021 |
| Flow Group Norge AS | Construction | 2016 |
| Flow Hylle 7 AS | Construction | 2022 |
| Flow Hylle 8 AS | Construction | 2022 |
| Flow Hylle 9 AS | Construction | 2022 |
| Flow Klima Sør-Vest AS | Construction | 2021 |
| Flow Pluss Norge AS | Professional & scientific | 2021 |
| Flow Retail AS | Information & communication | 1995 |
| Flow VVS Sør-Vest AS | Construction | 2022 |
| Flowspira AS | Arts & recreation | 2025 |
| Flyd AS | Professional & scientific | 2024 |
| Flyt Arkitektur AS | Professional & scientific | 2012 |
| Flyt Regnskap AS | Professional & scientific | 2021 |
| Flytevesten AS | Financial services | 2005 |
| Fløysvik Olje & Parafin Ans | Wholesale & retail | 1991 |
| FMC Private Investment AS | | 2025 |
| Fokus Inspection AS | Professional & scientific | 2022 |
| Fokus Proff Renhold AS | Administrative & support | 2021 |
| Folkets Hus AS | Real estate | 1960 |
| Folkvord Gård AS | Hospitality | 2018 |
| Folkvord Invest AS | Agriculture & fishing | 2005 |
| Folkvord Planter AS | Agriculture & fishing | 1984 |
| Folkvordveien 11 AS | Real estate | 2017 |
| Folkvordveien 75 AS | Real estate | 2019 |
| Fomo Design AS | Professional & scientific | 2023 |
| Fomo Works AS | Real estate | 2019 |
| Fondo AS | Real estate | 2017 |
| Fonex Holding AS | Real estate | 2008 |
| Foobar AS | Information & communication | 2017 |
| Food Euphoria AS | Hospitality | 2020 |
| Foodback AS | Information & communication | 2013 |
| Foodback Holding AS | Financial services | 2016 |
| Foodfighters AS | Hospitality | 2015 |
| Foodfighters Holding AS | Hospitality | 2020 |
| Foodgasm AS | Education | 2024 |
| Foodsted AS | Administrative & support | 2020 |
| Forebygg Skade Ans | | 1988 |
| Foredlium AS | Professional & scientific | 2022 |
| Foren Invest AS | Real estate | 2017 |
| Forfatterfabrikken Forlag AS | Information & communication | 2023 |
| Forlagshuset Vest AS | Information & communication | 2008 |
| Form Team AS | Other services | 1998 |
| Formulashop AS | Wholesale & retail | 2021 |
| Forretningsgården Eiendom AS | Real estate | 2021 |
| Forsentralen Todnem Da | Wholesale & retail | 2006 |
| Forte AS | Real estate | 1997 |
| Fortis Holding AS | | 2023 |
| Forus Atrium AS | Real estate | 2009 |
| Forus Autosenter AS | Real estate | 2022 |
| Forus Bil AS | Wholesale & retail | 2020 |
| Forus Bilverksted AS | Other services | 2003 |
| Forus Bygg Og Eiendom AS | Construction | 2002 |
| Forus Energigjenvinning 1 AS | Water & waste | 2019 |
| Forus Energigjenvinning 2 AS | Water & waste | 2008 |
| Forus Energigjenvinning Holding AS | Water & waste | 2018 |
| Forus Energy Arena AS | Real estate | 2012 |
| Forus Friskole AS | Education | 2008 |
| Forus Helse AS | Health & social care | 2017 |
| Forus Kombibygg Invest AS | Real estate | 2021 |
| Forus Kontorbygg AS | Real estate | 2007 |
| Forus Rådgivning AS | Professional & scientific | 1992 |
| Forus Rør AS | Construction | 2024 |
| Forus Safety Arena AS | Real estate | 2014 |
| Forus Storbilskole AS | Education | 2010 |
| Forus Tann- Og Kjeveklinikk AS | Health & social care | 2009 |
| Forus Vest Eiendom AS | Real estate | 2007 |
| Forussletta Eiendom AS | Real estate | 2004 |
| Foss-Eik Eiendom AS | Real estate | 2003 |
| Foss-Eik Eiendom B AS | Real estate | 2023 |
| Foss-Vatne Sandtak AS | Mining & quarrying | 2007 |
| Fossan Maskinservice AS | Manufacturing | 2010 |
| Fosseikeveien 10 AS | Real estate | 2020 |
| Fosseikeveien 15 AS | Real estate | 2014 |
| Fosseikeveien 17 AS | Real estate | 2022 |
| Fosseikeveien 23 AS | Real estate | 2022 |
| Fosseikeveien 25 AS | Real estate | 2023 |
| Fossfjell Invest AS | | 2021 |
| Fossmark Assuranse AS | Financial services | 2002 |
| Fossum Aero Systems AS | Information & communication | 2019 |
| Foto-Sentralen AS | Wholesale & retail | 1990 |
| Fotograf Sunniva Engen AS | Professional & scientific | 2025 |
| Fotograf Susanne Holen AS | Professional & scientific | 2022 |
| FOTON4 Film AS | Information & communication | 2013 |
| Four Season Spa AS | Other services | 2015 |
| Fox Entertainers Da | Arts & recreation | 2003 |
| Frafjord Holding AS | | 2023 |
| Fraktal Norge AS | Information & communication | 2014 |
| Fram 20X AS | Administrative & support | 2012 |
| Fram Bolig AS | Real estate | 2012 |