| Extra Leker Vestby AS | Wholesale & retail | 2010 |
| Eydemaskin AS | Wholesale & retail | 2016 |
| F2 Management AS | Real estate | 2016 |
| Fadmar Trading Ans | Wholesale & retail | 2007 |
| Fams Trading AS | Wholesale & retail | 1999 |
| Faun Pharma AS | Manufacturing | 2001 |
| Feja AS | Administrative & support | 2016 |
| Felya AS | Wholesale & retail | 2017 |
| Felya AS | Real estate | 2018 |
| Fiducia Eiendom AS | Real estate | 2019 |
| Filman AS | | 2024 |
| Finansforvaltning AS | Professional & scientific | 2009 |
| Fineco AS | Professional & scientific | 2020 |
| Fishtech AS | Wholesale & retail | 1990 |
| Fishtech Holding AS | Wholesale & retail | 2023 |
| Fisker Norway AS | Wholesale & retail | 2021 |
| Fixit Media AS | Information & communication | 2023 |
| Fjellhøy AS | Professional & scientific | 2026 |
| Fjords Wear AS | Wholesale & retail | 2024 |
| FLEX1ONE AS | Wholesale & retail | 2019 |
| Flexipharma AS | Professional & scientific | 2013 |
| Flis Og Murspesialisten AS | Construction | 2020 |
| Flix AS | Professional & scientific | 2019 |
| Flotte Bunader AS | Wholesale & retail | 2021 |
| Fokus Vestby Ans Rummelhoff & Laabak | Wholesale & retail | 1989 |
| Folden Invest AS | | 2020 |
| Folkestad Invest AS | Real estate | 2014 |
| Follestad Vestby AS | Real estate | 2017 |
| Follo Bad AS | Construction | 2017 |
| Follo Boligtakst AS | Professional & scientific | 2014 |
| Follo Industrieiendom AS | Real estate | 2018 |
| Follo Oppmåling AS | Professional & scientific | 2014 |
| Follo Produkter AS | Manufacturing | 2004 |
| Food Folk AS | Hospitality | 2024 |
| Fornya AS | Construction | 2024 |
| Fornybar Felles Holding AS | | 2024 |
| Fornybar Holding AS | | 2020 |
| Forvalter Drift AS | Administrative & support | 2026 |
| Forvalter Eiendom AS | Real estate | 2026 |
| Fossen 21 AS | Hospitality | 2023 |
| Fraksjon Group Holding AS | Real estate | 2021 |
| Fremstad AS | Real estate | 1983 |
| Fren AS | Manufacturing | 2022 |
| Freshfjord Salmon AS | Wholesale & retail | 2026 |
| Frontline Vestby Eiendomsmegling AS | Real estate | 2024 |
| Fur and Fluff Da | Wholesale & retail | 2025 |
| Fèmine AS | Health & social care | 2025 |
| Galanti Dame Og Herrefrisør Ans | Other services | 1989 |
| Gangsø Invest AS | | 2022 |
| Garder Begravelsesbyrå AS | Other services | 1993 |
| Getz Visual AS | Information & communication | 2025 |
| Ggbv Holding AS | | 2026 |
| GGV41 AS | Real estate | 2011 |
| Gjenbruksfabrikken AS | Wholesale & retail | 2023 |
| Glittre Holding AS | | 2005 |
| Global Malerservice AS | Construction | 2021 |
| Gobua Ans | Hospitality | 1989 |
| Goriia AS | Information & communication | 2024 |
| Grahams Byggservice AS | Construction | 2025 |
| Granittveien Eiendom AS | Real estate | 2021 |
| Granittveien Næringseiendom AS | Real estate | 2021 |
| Granstuen AS | Financial services | 2005 |
| Green Capital Service AS | | 2018 |
| Grev Ling AS | Real estate | 2021 |
| Grinder Gard AS | | 2023 |
| Grip Teknikk AS | Administrative & support | 1997 |
| Grotke Laft Og Bygg AS | Construction | 2023 |
| Grydeland AS | Real estate | 2010 |
| Grønne Tun AS | Education | 2012 |
| Grønvold Byggservice AS | Construction | 2024 |
| Grøstad Allservice AS | Construction | 2020 |
| Grøstad Sag & Høvleri AS | Real estate | 2016 |
| Gudes Gate 4 AS | Real estate | 2024 |
| Guess Norge AS | Wholesale & retail | 2017 |
| Guide Dog Norge AS | Agriculture & fishing | 1997 |
| Gullkoppen AS | Manufacturing | 1954 |
| Gulvfag Norge AS | Construction | 2016 |
| Gunnar Dalby AS | Construction | 1988 |
| Guto Kirkeveien AS | Real estate | 2006 |
| Gutta Invest AS | | 2025 |
| Gve 2 AS | Real estate | 2021 |
| Gve 3 AS | Real estate | 2021 |
| H3 Service AS | Construction | 2021 |
| Ha Autosenter AS | Wholesale & retail | 2018 |
| Haaheim Hansen Invest AS | | 2019 |
| Hafsengen Brus & Bensin AS | Wholesale & retail | 2018 |
| Hagbu AS | | 2022 |
| Hage Og Anlegg Vestby AS | Administrative & support | 2016 |
| Hair Rituals AS | Other services | 2022 |
| Hansen Transmission AS | Wholesale & retail | 2013 |
| Happy Elefant AS | Wholesale & retail | 2020 |
| Hardhats AS | Health & social care | 2019 |
| Hathi Newco AS | Arts & recreation | 2024 |
| Haugen - Gruppen AS | Wholesale & retail | 1979 |
| Haugen Dagligvare AS | Wholesale & retail | 2013 |
| Haugen-Gruppen Nordic AS | Wholesale & retail | 2010 |
| HDV4 AS | Real estate | 2004 |
| HDV4 Holding AS | Real estate | 2020 |
| Hearthly AS | Information & communication | 2025 |
| Helling Consulting AS | Professional & scientific | 2026 |