| Fabi Invest AS | Professional & scientific | 2020 |
| Fabian Holding AS | Real estate | 2016 |
| Fabian Kirkenes AS | Construction | 2025 |
| Fablab Design AS | Professional & scientific | 2009 |
| Fable AS | Financial services | 2014 |
| Fabler Invest AS | | 2015 |
| Fabres Norge AS | Information & communication | 2019 |
| Fabrica Kulturminnetjenester AS | Professional & scientific | 2019 |
| Fabrikken Arrangementer AS | Administrative & support | 2015 |
| Fabrikken Helgesens Gate 42 AS | Real estate | 2009 |
| Fabrikken Kampen SA | Real estate | 2010 |
| Fabrikkvegen 6 Eiendom AS | Real estate | 2016 |
| Fabrikkveien 100 Tomt 3 AS | Real estate | 2023 |
| Fabrikkveien Hybelutleie På Rena AS | Real estate | 2016 |
| Fabris Holding AS | | 2015 |
| Fabritius Eiendom AS | Real estate | 2018 |
| Fabritius Gruppen AS | Construction | 2001 |
| Fabritius Invest AS | Construction | 2012 |
| Fabritius Prosjekt AS | Real estate | 2022 |
| Fabritiusalleen Utvikling AS | Real estate | 2022 |
| Fabrizia AS | Real estate | 2012 |
| Fabser Helse AS | Health & social care | 2019 |
| Fabulae AS | | 2026 |
| Fabulous Media AS | Information & communication | 2013 |
| Fabwox AS | Professional & scientific | 2019 |
| Facade AS | Real estate | 2006 |
| Face and Brows Studio AS | Other services | 2016 |
| Face of Beauty AS | Other services | 2020 |
| FACE2FACE Creatives International AS | Professional & scientific | 1999 |
| FACE2FACE Creatives International Holding AS | Professional & scientific | 2019 |
| Facebook Norway AS | Professional & scientific | 2015 |
| Facefirst AS | Information & communication | 2016 |
| Facefood AS | Wholesale & retail | 2013 |
| FACET5 Norge AS | | 1977 |
| Facile Partners AS | Real estate | 2024 |
| Facilitas AS | Wholesale & retail | 2010 |
| Facilitate Systems AS | Professional & scientific | 2023 |
| Facility Express AS | Administrative & support | 2020 |
| Facilius AS | Information & communication | 2011 |
| Facit Bank Nuf | Financial services | 2021 |
| Faco AS | Real estate | 2004 |
| Factor AS | Construction | 2022 |
| Factory Tøyen Drift AS | Real estate | 2019 |
| Facts Cristina AS | | 2019 |
| Facts Finn AS | | 2019 |
| Facts Holding AS | Real estate | 2018 |
| Facts Thomas AS | | 2019 |
| Factum AS | Real estate | 2017 |
| Facultas AS | Real estate | 2008 |
| Facultas Invest AS | Real estate | 2021 |
| Fadaa Studio AS | Wholesale & retail | 2026 |
| Faerch Norway AS | Professional & scientific | 2023 |
| Fafo Institutt for Arbeidslivs- Og Velferdsforskning AS | Professional & scientific | 2003 |
| Fafop Trading Nuf | Wholesale & retail | 2009 |
| Fag Borgen AS | Real estate | 2010 |
| Fag Consult AS | Professional & scientific | 2026 |
| Fag Elverum AS | Real estate | 2008 |
| Fag Førerkort AS | Education | 2017 |
| Fag Småbygg AS | Real estate | 2021 |
| Fagbladforlaget AS | Information & communication | 1990 |
| Fagbygg AS | Construction | 2021 |
| Fagbygg AS | Construction | 2025 |
| Fagbygg Site Service AS | Construction | 2026 |
| Fagentreprenøren AS | Construction | 2023 |
| Fager Eiendom AS | Real estate | 2014 |
| Fager Utvikling AS | Real estate | 2018 |
| Fagerask Ans | Wholesale & retail | 2001 |
| Fagerbakk Holding AS | | 2020 |
| Fagerbekk Invest AS | | 2020 |
| Fagerblom Næring Eiendom AS | Real estate | 2024 |
| Fagerborg Eiendom AS | Real estate | 1997 |
| Fagerborg Holding AS | Construction | 2005 |
| Fagerborg Installasjon AS | Construction | 2005 |
| Fagerborg Invest AS | Real estate | 1998 |
| Fagerborg K34 I AS | Real estate | 2020 |
| Fagerborg Leilighetsprosjekt AS | | 2026 |
| Fagerborg Sentral Hjemmel AS | Real estate | 2024 |
| Fagerborggata 45 AS | Real estate | 2025 |
| Fagerborggaten 50 Garasjer AS | | 2025 |
| Fagerborglegene Da | Health & social care | 2004 |
| Fagerdalen Kraft AS | Energy | 2025 |
| Fagerhaug Holding AS | Financial services | 2017 |
| Fagerhaug Solutions AS | Health & social care | 2015 |
| Fagerhaugen AS | Hospitality | 2024 |
| Fagerheimgata 16 AS | Real estate | 1995 |
| Fagerhylle 5 AS | | 2025 |
| Fagerhylle 6 AS | Real estate | 2025 |
| Fagerhylle 8 AS | Real estate | 2025 |
| Fagerhylle AS | Real estate | 2024 |
| Fagerlia Tomteselskap AS | Real estate | 2024 |
| Fagerlid Holding AS | Real estate | 2005 |
| Fagerlid Invest AS | | 2022 |
| Fagerlind AS | | 2026 |
| Fagerliveien 2 AS | Real estate | 2018 |
| Fagerlyst AS | Households | 1926 |
| Fagermo Invest AS | | 2022 |
| Fagernes 4 Eiendom AS | Real estate | 2026 |
| Fagernes Senter AS | Real estate | 1999 |
| Fagernes Senter Holding AS | Real estate | 2017 |
| Fagernes Sentrum Eiendom AS | Real estate | 2014 |