| Filanda Invest AS | | 2024 |
| Filmpraksis AS | Information & communication | 1976 |
| Firma Uslugowa Partner Romuald Murawski Nuf | Administrative & support | 2005 |
| First Consulting AS | Professional & scientific | 2021 |
| Fiveland Eiendom AS | Real estate | 1997 |
| FJELL26 AS | Real estate | 2026 |
| Flight Level AS | Administrative & support | 2016 |
| Flyt, En Livsstil AS | Wholesale & retail | 2016 |
| Fogo Invest AS | | 2022 |
| Foldin Bolig AS | Real estate | 2017 |
| Follo Boligutleie AS | Real estate | 2015 |
| Follo Forskaling Og Betong AS | Construction | 2025 |
| Follo Taksering AS | Real estate | 2026 |
| Fontaine Norge Lundegård Nuf | Wholesale & retail | 2010 |
| Foss & Co Vestby Son Eiendomsmegling AS | Real estate | 2003 |
| Fosseberget AS | Real estate | 2008 |
| Fotlykken AS | Health & social care | 2024 |
| Fredhøi Eiendom AS | Real estate | 2013 |
| Freeup AS | Information & communication | 2011 |
| Fryd Invest AS | Real estate | 2005 |
| Furustubben Vann- Og Avløpsanlegg SA | Water & waste | 2018 |
| Fusion Norway AS | Professional & scientific | 2019 |
| G O Prosjekt AS | Administrative & support | 1988 |
| G. Holløkken Holding AS | | 2024 |
| Gaia Stein AS | Wholesale & retail | 2022 |
| Galleri Soon AS | Wholesale & retail | 2013 |
| Getdriv AS | Professional & scientific | 2026 |
| GH Form Aps | Construction | 2008 |
| Gillikins AS | Hospitality | 2025 |
| GJH Holding AS | | 2026 |
| Gjulem AS | Wholesale & retail | 1961 |
| Glad Hest AS | Other services | 2015 |
| Goldfish Boat AS | Manufacturing | 1998 |
| GR Sanering AB | Construction | 2001 |
| Green Bay Collection AS | Wholesale & retail | 1989 |
| Grønn & BK Transport AS | Transport & logistics | 2022 |
| Gwest Invest AS | Real estate | 2019 |
| H Schnellfahrer AS | | 2026 |
| H-Cons AS | Real estate | 2005 |
| Hagelin Invest AS | | 2021 |
| Hagestua AS | Hospitality | 2017 |
| Hagestua Event AS | Administrative & support | 2026 |
| Hamec AS | Health & social care | 2005 |
| Handvalgt AS | Wholesale & retail | 2023 |
| Hans Marklund Fritidshus AB | Construction | 1997 |
| Hansol Invest Da | Financial services | 2003 |
| Happy Ship AS | Administrative & support | 2015 |
| Harald Hårfagres Gate 1 AS | Real estate | 2000 |
| Harestigen 5 AS | Real estate | 2020 |
| Haubro & Tougaard Byg Aps | Administrative & support | 2013 |
| Havbygg AS | Real estate | 2021 |
| Havrevold Holding AS | Financial services | 2013 |
| Health & Care AS | Wholesale & retail | 2016 |
| Hedmar AS | Real estate | 2020 |
| Helland Drift AS | Construction | 2007 |
| Helm Norway AS | Professional & scientific | 2019 |
| Henes AS | Professional & scientific | 2008 |
| Heuretes AS | Professional & scientific | 2015 |
| Heve Holding AS | Hospitality | 2024 |
| HFC Norway SA | Information & communication | 2010 |
| Hfc-Norway AS | Professional & scientific | 2016 |
| Hilmerskog AB | Wholesale & retail | 2005 |
| Hjerter AS | Wholesale & retail | 2014 |
| Hms/Sha Rådgivning AS | Professional & scientific | 2019 |
| Hoit Holding AS | | 2022 |
| Hokksund Invest AS | Real estate | 2018 |
| Holdcoson AS | | 2024 |
| Holland Invest AS | Real estate | 2009 |
| Holtan and Partners AS | Professional & scientific | 2015 |
| Holy Macarony Holding AS | | 2025 |
| Hostly AS | Information & communication | 2025 |
| House of Lifestyle AS | Education | 2021 |
| HP Aa Eiendomsutvikling AS | Construction | 2015 |
| Hukl Store AS | Wholesale & retail | 2025 |
| Hus Og Bygg Hjelperen AS | Professional & scientific | 2016 |
| Husjordet Holding AS | | 2023 |
| Hypak AS | Administrative & support | 2026 |
| Håkonsbråten AS | Real estate | 2022 |
| I Norge AS | Professional & scientific | 2024 |
| Ick AS | Professional & scientific | 2023 |
| Ideo Spirat Group AS | Information & communication | 2024 |
| Ideo Spirat Holding AS | | 2024 |
| Indezi AS | Wholesale & retail | 2020 |
| Infinity Bottles AS | Wholesale & retail | 2019 |
| Ingek AS | Financial services | 2016 |
| Ingrid Bolsø Berdal AS | Arts & recreation | 2017 |
| Inspektra Takst AS | Real estate | 2024 |
| International Resource Development AS | Professional & scientific | 1997 |
| Interplay-Sports AS | Information & communication | 2011 |
| Intravat AS | Professional & scientific | 1991 |
| Invest Ee AS | | 2021 |
| Iom Invest AS | | 2024 |
| Iom Law Advokatfirma AS | Professional & scientific | 2018 |
| Iot Nordic AS | Information & communication | 1989 |
| Irn Holding AS | | 2026 |
| J Nord Holding AS | | 2025 |
| J. Hundahl Tilsted A/S Nuf | Construction | 2009 |
| J.A Larsen Rørleggerservice AS | Construction | 2025 |
| J.A.B. Holding AS | Real estate | 2005 |
| J.U.B. Holding AS | Financial services | 2005 |