| Flaveuria AS | Manufacturing | 2024 |
| Flavia Medisin AS | Health & social care | 2018 |
| Flavin.No AS | Wholesale & retail | 2016 |
| Flavors of India AS | Transport & logistics | 2020 |
| Flawless Global Luxury Goods Group Incorporated AS | Professional & scientific | 2021 |
| FLB Eiendom AS | Real estate | 2025 |
| FLC Investments AS | Financial services | 2009 |
| Fle Eiendom AS | Real estate | 2020 |
| Fle Holding AS | Real estate | 2020 |
| Fleame AS | Professional & scientific | 2025 |
| Flechsler Consulting AS | Professional & scientific | 2015 |
| Fleet Finance AS | Administrative & support | 2026 |
| Fleet II AS | Real estate | 2006 |
| Fleet III AS | Real estate | 2009 |
| Fleet IV AS | Real estate | 2015 |
| Fleet Management Norway AS | Transport & logistics | 2015 |
| Fleet Management Systems Nordic AS | Information & communication | 2010 |
| Fleet Sentral AS | Transport & logistics | 2011 |
| Fleischer & Co AS | Real estate | 1963 |
| Fleischer Finans AS | Administrative & support | 2022 |
| Fleischer Finans Tech AS | Professional & scientific | 2023 |
| Fleischer Holding AS | Financial services | 2005 |
| Fleitscher Invest AS | | 2015 |
| Flekkefjord Invest Ans | Financial services | 2002 |
| Flekkefjord Næring AS | Real estate | 2019 |
| Flekkefjordbanen Utvikling AS | Real estate | 2022 |
| Flekskraft AS | Professional & scientific | 2025 |
| Fleksnes Holding AS | Professional & scientific | 2018 |
| Flemma Da | Information & communication | 2021 |
| Flemmen & Co Advokatfirma AS | Professional & scientific | 2023 |
| Flemming Fikser AS | Construction | 2026 |
| Flender AS | Information & communication | 2013 |
| Fleo Holding AS | | 2005 |
| Flere Hender AS | Health & social care | 2023 |
| Flerfoll AS | | 2021 |
| Flerveis Kommunikasjon AS | Professional & scientific | 2015 |
| Flesa Holdning AS | | 2022 |
| Flescus AS | Financial services | 2005 |
| Flesland Eiendom AS | Real estate | 2004 |
| Flesland Eiendomsinvest AS | Real estate | 2018 |
| Flesland Innkvartering AS | Hospitality | 2015 |
| Flesland Kontorinvest AS | Real estate | 2016 |
| Flette AS | | 1987 |
| Flex Applications International AS | Information & communication | 2013 |
| Flex AS | Hospitality | 2024 |
| Flex Funding Norge AS | Financial services | 2014 |
| Flex LNG Fleet Management AS | Transport & logistics | 2019 |
| Flex LNG Management AS | Professional & scientific | 2018 |
| Flexability Consulting AS | Professional & scientific | 2006 |
| Flexbox Nuf | Wholesale & retail | 2012 |
| Flexera Software AS | Wholesale & retail | 2014 |
| Flexi Bilservice Da | Other services | 2004 |
| Flexi Taxi AS | Transport & logistics | 2022 |
| Flexi Trade & Investment Group Da | Administrative & support | 1997 |
| Flexi-Systua-Storo AS | Manufacturing | 2015 |
| Flexibel AS | Construction | 2023 |
| Flexibel Eiendom AS | Real estate | 2023 |
| Flexibel Holding AS | Construction | 2023 |
| Flexibility AS | Professional & scientific | 2017 |
| Flexibility Group AS | Professional & scientific | 2019 |
| Flexihelse SA | Health & social care | 2019 |
| Flexikost AS | Health & social care | 2019 |
| Flexiport AS | Transport & logistics | 2023 |
| Flexistore International AS | Real estate | 2017 |
| Flexistore Norge AS | Real estate | 2019 |
| Flexiteek International AS | Administrative & support | 2000 |
| Flexmed AS | Information & communication | 2023 |
| Flexmedia AS | Wholesale & retail | 2005 |
| Flexo Holding AS | Information & communication | 2026 |
| Flexrock AS | Construction | 2017 |
| FLF Invest AS | Financial services | 2016 |
| FLG Holding AS | | 2026 |
| Flid AS | Wholesale & retail | 2004 |
| Flid Invest AS | Hospitality | 2013 |
| Flid Studio AS | Professional & scientific | 2020 |
| Flight Centre Travel Group (Europe) Nuf | Administrative & support | 2016 |
| Flight Heavy Metal Da | Information & communication | 2015 |
| Flight Log AS | Education | 2018 |
| Flightform Insights AS | Wholesale & retail | 2025 |
| Flikke Film AS | Information & communication | 2015 |
| Flikkflakk Invest AS | | 2020 |
| Flim AS | Information & communication | 2008 |
| Flinder Invest AS | Real estate | 2017 |
| Flinders AS | Transport & logistics | 2006 |
| Flink Konsult AS | Information & communication | 2024 |
| Flink Pike AS | Information & communication | 2018 |
| Flinkbox AS | Wholesale & retail | 2026 |
| Flinkcube AS | Information & communication | 2024 |
| Flinke Gutter Innredning AS | Manufacturing | 2024 |
| Flinke Gutter Prosjekt AS | Real estate | 2017 |
| Flinks Järn Aktiebolag | Wholesale & retail | 2014 |
| Flinq AS | Information & communication | 2022 |
| Flint Production AS | Arts & recreation | 2026 |
| Flintex AS | Real estate | 1948 |
| Flintholm AS | Transport & logistics | 2005 |
| Flints Baguett & Grill AS | Hospitality | 2018 |
| Flintstone AS | Other services | 1989 |
| Flip Company AS | Information & communication | 2022 |
| Flip Holding AS | Construction | 2021 |
| Flip Oppussing AS | Construction | 2021 |