| FMS Holding AS | Wholesale & retail | 1996 |
| Fnokk AS | Professional & scientific | 2025 |
| Folabruveien 14 AS | Real estate | 2025 |
| Forbo Flooring AS | Wholesale & retail | 1982 |
| Forbord IT Prosjektledelse Og Kvalitetssikring AS | Information & communication | 2014 |
| Formtrappan AS | Construction | 2016 |
| Fornebo Design AS | Professional & scientific | 2020 |
| Fornybar Energi Eiendom Da | Real estate | 2009 |
| Forretningsførsel Og Rådgivning AS | Professional & scientific | 1994 |
| Forsera AS | Professional & scientific | 2014 |
| Fortjern AS | Real estate | 2012 |
| Fortrinn AS | Information & communication | 2020 |
| Fosen Skjell AS | Agriculture & fishing | 2013 |
| Foss-Eiendom AS | Real estate | 2021 |
| Fossco AS | Professional & scientific | 1995 |
| Fotspor AS | Professional & scientific | 2001 |
| Fox Property AS | Real estate | 2019 |
| Fox Property Development AS | Real estate | 2019 |
| Foyn Health Enterprise AS | Health & social care | 2016 |
| FR Jørgensens Eftf AS | Wholesale & retail | 1973 |
| Fra Dypet Sjømat AS | Hospitality | 2023 |
| Fra Landet AS | Hospitality | 2026 |
| Franke Nederland B.V Nuf | Wholesale & retail | 2013 |
| Fredensborg 40 AS | Real estate | 2023 |
| Fredmar Holding AS | | 2020 |
| Frednes Holding AS | Real estate | 2007 |
| Fredrik & Louisa AS | Wholesale & retail | 1985 |
| Fredrik & Louisa Group AS | Wholesale & retail | 2006 |
| Fredrik & Louisa Services AS | Professional & scientific | 1998 |
| Fregna AS | Administrative & support | 2015 |
| Frem Digital AS | Professional & scientific | 2025 |
| Fremtids-Visjon AS | Construction | 2022 |
| Frents Holding AS | | 2026 |
| Frents Trafikkskole AS | Education | 2026 |
| Fresto Flix AS | Agriculture & fishing | 2012 |
| Freya AS | Professional & scientific | 2020 |
| Fri Agenda AS | Professional & scientific | 2017 |
| Frider AS | Professional & scientific | 2024 |
| Friluftsliv Spesialistene AS | Wholesale & retail | 2024 |
| Frontend Vision AS | Financial services | 2017 |
| Fryden Entreprenør AS | Construction | 2019 |
| Fstad Holding AS | | 2017 |
| Fubbick AS | Professional & scientific | 2017 |
| Fuji Sushi AS | Hospitality | 2009 |
| Fundingsrud Holding AS | Real estate | 2018 |
| Funksjonell Nevrologisk Senter AS | Health & social care | 2017 |
| Furukonglen AS | Real estate | 1990 |
| Furuly BHG AS | Education | 2022 |
| Futurama AS | Information & communication | 2000 |
| Futureflow AS | Professional & scientific | 2020 |
| Futurum Energi AS | Professional & scientific | 2008 |
| FUTURUM23 AS | Administrative & support | 2023 |
| Fylkingr AS | | 2022 |
| Fysioaktiv AS | Health & social care | 1982 |
| Fysiodirekte AS | Health & social care | 2013 |
| Fysiolab AS | Education | 2017 |
| Fysiosmart AS | Health & social care | 2020 |
| Fønix Holding AS | Real estate | 2014 |
| Fønix Mediehus AS | Information & communication | 2020 |
| Førde Holding AS | | 2018 |
| Føyka Fysioterapi Da | Health & social care | 2001 |
| Føyka Fysioterapi Og Osteopati Da | Health & social care | 2026 |
| G Jørgensen Maskin AS | Construction | 2005 |
| G-Tech AS | Professional & scientific | 1986 |
| G.O.A.T AS | Other services | 2021 |
| Gabo Eiendom AS | Real estate | 2002 |
| Gaby Og Egil Brevik Ans | Wholesale & retail | 1988 |
| Gaisa AS | Professional & scientific | 1994 |
| Gaj Invest AS | | 1992 |
| Galaan Tours AS | Administrative & support | 2012 |
| Galatea Beverages AS | Wholesale & retail | 2020 |
| Gambrinus Eiendom AS | Real estate | 2004 |
| Gambrinus Holding AS | Real estate | 2004 |
| Gamle Drammensvei 315 Ans | Administrative & support | 2000 |
| Gammadata Norge AS | Wholesale & retail | 2022 |
| Gammel Nok AS | Administrative & support | 2012 |
| Gammel Nok Franchise AS | Administrative & support | 2019 |
| Gammel Nok Holding AS | Administrative & support | 2015 |
| Gammel Nok Omsorg AS | Administrative & support | 2016 |
| Gamos AS | Construction | 1996 |
| Gangar AS | Arts & recreation | 2023 |
| Gardarike Handelskompani AS | Wholesale & retail | 2026 |
| Gardis Invest AS | Professional & scientific | 2008 |
| Gas Holding AS | Real estate | 2005 |
| Gaukom AS | | 2014 |
| Gaupholmen AS | | 2005 |
| Gbbt AS | Professional & scientific | 2011 |
| GDP Holding AS | | 2024 |
| Geas Invest AS | | 2018 |
| Gebrüder Haldan GmbH & Co KG | Professional & scientific | 2006 |
| Gedas Bygg AS | Construction | 2014 |
| Geilolia Utvikling AS | Real estate | 2023 |
| Geir Egil Paulsen AS | Professional & scientific | 2005 |
| Geir Gullbekk AS | Construction | 1998 |
| Geir Hansen Holding AS | | 2026 |
| Genesis Biopharma Norway AS | Wholesale & retail | 2026 |
| Genexis Norway AS | Wholesale & retail | 1989 |
| Geode Consult AS | Professional & scientific | 2009 |
| Georgine AS | Wholesale & retail | 2017 |
| Gerimed AS | | 2015 |