| Forskons AS | Information & communication | 2000 |
| Forum Eiendomsinvest AS | Real estate | 2005 |
| Forvaltning 1 AS | Real estate | 2010 |
| Fossum Ridesenter AS | Real estate | 2007 |
| Fossveien 20 AS | Real estate | 1999 |
| FP Bolig AS | | 2011 |
| FP Bolig Holding AS | | 2017 |
| FP Drift AS | Real estate | 2012 |
| FP Soft Services AS | Hospitality | 2018 |
| FP UK AS | Real estate | 2012 |
| Fraktal AS | Administrative & support | 2012 |
| Franchise Consult AS | Professional & scientific | 2021 |
| Fraxx Interactive AS | Information & communication | 2019 |
| Fro-Ga-Mo AS | Real estate | 2021 |
| Fro-Ga-Mo Holding AS | Real estate | 2021 |
| Fro-Ga-Mo Næring AS | Real estate | 2024 |
| Frogner Utvikling AS | | 2019 |
| Frognerveien 39 AS | Real estate | 2020 |
| Fronttier AS | Professional & scientific | 2021 |
| Fructuarius AS | Real estate | 2005 |
| Fructus Fundi AS | | 2021 |
| Frusetlia Holding AS | Professional & scientific | 2005 |
| Frydensvang Holding AS | Financial services | 2016 |
| Fugleåsen Drift AS | Real estate | 2014 |
| Fwrd AS | Professional & scientific | 2019 |
| FWS Holding AS | | 2019 |
| G-Eiendom AS | Real estate | 1996 |
| Gagnr AS | Professional & scientific | 2026 |
| Gamlegrendåsen Terrasse AS | Real estate | 2015 |
| Gaps Energy AS | Financial services | 2002 |
| Gartnerveien 1-5 AS | Real estate | 2007 |
| Gate Security AS | Wholesale & retail | 2010 |
| Gausdal Invest AS | | 2023 |
| Gehrken Systems AS | Information & communication | 1997 |
| Gemello AS | Professional & scientific | 2022 |
| Gemello Bolig AS | Real estate | 2023 |
| Gemello Management AS | Professional & scientific | 2023 |
| Gemello Partners AS | Professional & scientific | 2023 |
| Generathor AS | Energy | 2009 |
| Genico Kapital AS | Financial services | 2018 |
| Genus AS | Information & communication | 1998 |
| Geo Norway AS | Professional & scientific | 2023 |
| Geo Norway Holding AS | Professional & scientific | 2023 |
| Gersemi Asset Management AS | Financial services | 2022 |
| Gevir Group AS | Professional & scientific | 2017 |
| Ghana Fpso Operations AS | Mining & quarrying | 2021 |
| Giramar Holding AS | Real estate | 2005 |
| Gladstone AS | Wholesale & retail | 2017 |
| Gladstone Eiendom AS | Real estate | 2020 |
| Gladstone Music Group AS | Information & communication | 2020 |
| Glamit AS | Wholesale & retail | 2014 |
| Glarona AS | Transport & logistics | 2004 |
| Global Transport AS | Transport & logistics | 2026 |
| GN Invest 2 AS | | 2018 |
| Gneis Lilleaker AS | Arts & recreation | 2022 |
| Gneisveien 16-18 AS | Real estate | 2001 |
| Godthaab Renhold AS | Administrative & support | 2016 |
| Gold Invest AS | Wholesale & retail | 2014 |
| Gondolin Group AS | Hospitality | 2023 |
| Gpo Heavylift AS | Transport & logistics | 2016 |
| Gpo Norway AS | Financial services | 2015 |
| Gran Skolebygg AS | Real estate | 2011 |
| Gran Skoledrift AS | Real estate | 2011 |
| Green 91 AS | Financial services | 2016 |
| Green Business AS | | 2018 |
| Green Empress AS | Professional & scientific | 2021 |
| Green Innovation AS | Professional & scientific | 2016 |
| Green Ladies Invest AS | | 2025 |
| Green Power Norway AS | Professional & scientific | 2010 |
| Green Transition Holding AS | Professional & scientific | 2017 |
| Grensesvingen 2-20 AS | Real estate | 2019 |
| Grev Wedels Plass 9 AS | Real estate | 2009 |
| Grimelid Holding AS | Administrative & support | 2019 |
| Groupe Seb Norway AS | Wholesale & retail | 1996 |
| Gruppen Balcazar AS | | 2024 |
| Grønnegata 10 AS | Real estate | 2017 |
| Grønt Gras AS | Information & communication | 2021 |
| Guardian Holding AS | Professional & scientific | 2007 |
| Guffi Invest AS | | 2021 |
| Gullfunn AS | Wholesale & retail | 2016 |
| Gullhaug Torg 2B AS | Real estate | 2000 |
| Guran Invest AS | | 2018 |
| H C Finne JR AS | Real estate | 2013 |
| Haakestad Holding AS | Information & communication | 2021 |
| Hab Construction AS | Construction | 2003 |
| Hab-Dragados Ans | Construction | 2024 |
| Habto Holding AS | Real estate | 2020 |
| Hagri AS | Real estate | 2017 |
| Haki Holding AS | Financial services | 2005 |
| Halfdan Wilhelmsens Alle 1 B AS | Real estate | 2007 |
| Hallmaker AS | Construction | 1986 |
| Halltech AS | Professional & scientific | 2023 |
| Halstoppen AS | Real estate | 2018 |
| Hameco AS | Wholesale & retail | 2020 |
| Hand Picked Wines AS | Wholesale & retail | 2012 |
| Handelseiendommer 1 AS | Real estate | 2017 |
| Haniss AS | Wholesale & retail | 2009 |
| Hans Haslums Vei Utvikling AS | Real estate | 2014 |
| Happyhour AS | | 2023 |
| Happyway Nordic AS | Wholesale & retail | 2016 |