| FNP B8 AS | Real estate | 2017 |
| FNP C2-1 AS | Real estate | 2017 |
| FNP C2-2 AS | Real estate | 2017 |
| FNP C2-3 AS | Real estate | 2017 |
| FNP C2-4 AS | Real estate | 2017 |
| FNP C3-2 AS | Real estate | 2017 |
| FNP D3 AS | Real estate | 2017 |
| FNP D4-1 AS | Real estate | 2017 |
| FNP Eiendom AS | Real estate | 2014 |
| FNP F3-8 AS | Real estate | 2017 |
| FNP F3-9 AS | Real estate | 2017 |
| FNP Felt B Vest AS | Real estate | 2017 |
| FNP Golfbanen AS | Real estate | 2016 |
| FNP I5 AS | Real estate | 2017 |
| FNP S-3 AS | Real estate | 2017 |
| Focus Construction AS | Professional & scientific | 2015 |
| Focus Trafikkskole AS | Education | 2017 |
| Fod I Bakken AS | | 2024 |
| Fogo AS | Agriculture & fishing | 2005 |
| Fogo Prosjekt AS | Agriculture & fishing | 2017 |
| Fokus Byggservice AS | Construction | 2014 |
| Folke Bernadottes Vei 23 AS | Real estate | 2020 |
| Folke Hermansen AS | Transport & logistics | 1984 |
| Follo Utvikling AS | Real estate | 2026 |
| Fonda Lashay Holding AS | | 2023 |
| Food Channel Da | Hospitality | 2023 |
| Food Heaven Tasta AS | Hospitality | 2014 |
| Foodfighters Hinna AS | Hospitality | 2021 |
| Footbalance Norway AS | Wholesale & retail | 2022 |
| Footbalance System OY Nuf | Wholesale & retail | 2024 |
| For Alle AS | Health & social care | 2026 |
| Forma Bolig AS | Real estate | 2025 |
| Forma Eiendom AS | Real estate | 2024 |
| Forme Interiør AS | Professional & scientific | 2022 |
| Forny Eiendom AS | Professional & scientific | 2018 |
| Fornybar Sørvest AS | | 2023 |
| Forrektigt AS | Professional & scientific | 2024 |
| Forse Konferansebyrå AS | Administrative & support | 2022 |
| Forte Regnskap AS | Professional & scientific | 1995 |
| Fortou AS | Hospitality | 2016 |
| Fortuna Investeringsselskap AS | Professional & scientific | 1999 |
| Forum Hotelldrift AS | Hospitality | 2012 |
| Forum Tjensvoll AS | Real estate | 2020 |
| Forus Apotek AS | Wholesale & retail | 2020 |
| Forus Areal AS | Real estate | 2021 |
| Forus Areal Holding 1 AS | | 2025 |
| Forus Areal Holding 2 AS | Real estate | 2021 |
| Forus Areal Holding 3 AS | | 2025 |
| Forus Areal Holding AS | Real estate | 2021 |
| Forus Auto Care AS | Other services | 2016 |
| Forus Bilskade AS | Other services | 2008 |
| Forus Bilvask AS | Wholesale & retail | 1999 |
| Forus Byggsenter AS | Real estate | 2011 |
| Forus Eiendom AS | Professional & scientific | 1990 |
| Forus Event AS | Hospitality | 2025 |
| Forus Frisør AS | Other services | 2019 |
| Forus Industry Arena AS | | 2003 |
| Forus Innovation Center AS | Real estate | 2020 |
| Forus Kontor & Lagerutleie AS | Real estate | 2008 |
| Forus Næringseiendom AS | Real estate | 2026 |
| Forus Næringspark AS | Real estate | 1968 |
| Forus Office Arena Da | Real estate | 2007 |
| Forus Revisjon AS | Professional & scientific | 2003 |
| Forus Smart City AS | Real estate | 2019 |
| Forus Tannhelse AS | Health & social care | 2011 |
| Forus Tomteselskap AS | Real estate | 1997 |
| Forus Trav AS | Arts & recreation | 1997 |
| Forus Utvikling AS | Real estate | 2005 |
| Forusarena AS | Real estate | 2008 |
| Forusbeen 74 AS | Real estate | 2007 |
| Forusbeen 78 AS | Real estate | 2005 |
| Forusbeen 80 AS | Real estate | 2005 |
| Forusholmen AS | Real estate | 2005 |
| Forushuset Holding AS | Real estate | 2006 |
| Forushuset I AS | Real estate | 2006 |
| Forushuset II AS | Real estate | 2006 |
| Forusklinikken AS | Health & social care | 2015 |
| Forusmarksubsea AS | Professional & scientific | 2023 |
| Forusparken AS | Real estate | 2009 |
| Forusparken Auto AS | Wholesale & retail | 2017 |
| Forusparken Nord AS | Real estate | 2021 |
| Forusparken Sør AS | Real estate | 2021 |
| Forusparken Vest AS | Real estate | 2021 |
| Forusparken Øst AS | Real estate | 2021 |
| Forusskogen 1 AS | Real estate | 2007 |
| Forusskogen 9 AS | Professional & scientific | 2021 |
| Forusskogen AS | Real estate | 2014 |
| Forusstranda AS | Real estate | 2023 |
| Forusstranda Næringspark AS | Real estate | 2003 |
| Forusstranda Småbåthavn SA | Arts & recreation | 2001 |
| Forusveien 31 - Kontor AS | Real estate | 2009 |
| Forvent Invest AS | Professional & scientific | 2019 |
| Fosmark Mari Og Agnes Kaltvedt Ans | Agriculture & fishing | 1995 |
| Foss Origin AS | | 2026 |
| Fossan Invest AS | | 2018 |
| Fossekallen Invest AS | Financial services | 2006 |
| Fossetassen AS | | 2023 |
| Fotech AS | Construction | 2020 |
| Fotobo AS | Professional & scientific | 2015 |
| Fotofix Tingvoll AS | Manufacturing | 2007 |