| Fdvcompagniet AS | Professional & scientific | 2015 |
| Fdvcompagniet Eiendom AS | Real estate | 2021 |
| Fdvcompagniet Holding AS | Professional & scientific | 2021 |
| Fdvcompagniet Prosjekt AS | Real estate | 2023 |
| Fendr Dagligvare Nord-Norge AS | Real estate | 2025 |
| Fenris Invest AS | Construction | 2023 |
| Ferle Produkter Norge Nuf | Wholesale & retail | 1998 |
| Finndoff AS | Information & communication | 2021 |
| Finnsnes Senter AS | Administrative & support | 2008 |
| Fiscal Solutions Ltd Nuf | Professional & scientific | 2010 |
| Fischer Klær AS | Wholesale & retail | 1981 |
| Fiskehallen Drift AS | Wholesale & retail | 2005 |
| Fitfager AS | Arts & recreation | 2018 |
| Fjelde Teknikk AS | Construction | 2023 |
| Flarlar Invest AS | Financial services | 2018 |
| Floveien 1 AS | Real estate | 2024 |
| Fokus Takst AS | Real estate | 2014 |
| Folk I Nord AS | Administrative & support | 2020 |
| Folkets Hus Narvik AS | Real estate | 2013 |
| Foma Invest AS | | 2025 |
| Forselvveien 24 AS | Real estate | 2022 |
| Forte Narvik Holding AS | Hospitality | 2011 |
| Forte Narvik Invest 1 AS | Hospitality | 2011 |
| Forte Narvik Invest 2 AS | Hospitality | 2011 |
| Fountain Holding AS | | 2024 |
| Fr.Nansensvei 44 AS | Real estate | 2004 |
| Frajo AS | Real estate | 2010 |
| Framneslia Eiendom AS | Real estate | 2020 |
| Frank Jensen Invest AS | | 2025 |
| Frantzeo AS | | 2023 |
| Fredrick Nordstrøm AS | Wholesale & retail | 2025 |
| Fredrik Andersson AS | Transport & logistics | 2025 |
| Fremi Eiendom AS | Real estate | 2018 |
| Fremover AS | Information & communication | 1982 |
| Frivåg AS | Construction | 2018 |
| Frode's Invest AS | Financial services | 2005 |
| Frostisen Studio AS | Information & communication | 2017 |
| Frydenlund Eiendommer AS | Real estate | 2021 |
| Frydenlund Handelseiendom Narvik AS | Real estate | 2011 |
| Frydenlund Optikk AS | Wholesale & retail | 2001 |
| Frydenlund Utleie AS | Real estate | 2014 |
| Frydenlundgata 11 AS | Real estate | 2012 |
| Frydenlundgata 29 AS | Real estate | 2012 |
| Frydenlundgt 9 AS | Real estate | 2013 |
| Frydenlundhjørnet AS | Real estate | 1955 |
| Frydenlundsg 9, 3. Etg AS | Health & social care | 1993 |
| Frydenlundsgt 4 AS | Real estate | 2000 |
| Futurum AS | Professional & scientific | 1995 |
| Fyr & Flamme AS | Construction | 2008 |
| Fyr Utleie AS | Administrative & support | 2021 |
| Føre Holding AS | Real estate | 2021 |
| Førstehjelpspartner AS | Wholesale & retail | 2011 |
| G Digital AS | Information & communication | 2024 |
| Galleri My AS | Wholesale & retail | 2012 |
| Gamle Stangnesvei 3 AS | Real estate | 2019 |
| Gamlingene AS | Professional & scientific | 2022 |
| Gardsti Midtre Eiendom AS | Real estate | 2018 |
| Garnes Takst AS | Real estate | 2026 |
| Gastrofoil AS | Professional & scientific | 2007 |
| Geir-Ketil Hansen AS | Professional & scientific | 2021 |
| Gelis Eiendom AS | Real estate | 2025 |
| Gelis Eiendom AS | Real estate | 2003 |
| Gelis Holding AS | | 2025 |
| Geosystems Scandinavia AS | Professional & scientific | 2025 |
| Gjengstø Holding AS | Information & communication | 2022 |
| Glass I Nor Solskjerming AS | Construction | 2005 |
| Glass Og Speil AS Alf Ole Og Lubis Glass Og Rammeverksted | Construction | 1982 |
| Glasskiosken AS | Hospitality | 2024 |
| Gol Holding AS | | 2025 |
| Grand Royal Eiendom AS | Real estate | 1979 |
| Grand Royal Hotel AS | Hospitality | 2013 |
| Green Hydrogen Tech AS | Construction | 2015 |
| Gress I Nord AS | Administrative & support | 2020 |
| Groms Plass Da | Arts & recreation | 2005 |
| Grunn Og Betong Entreprenør AS | Construction | 2014 |
| Grux AS | | 2020 |
| GTB Holding AS | Professional & scientific | 2021 |
| Gunnar Kristiansen Holding AS | | 2019 |
| Gunnar Skålvold AS | Professional & scientific | 1999 |
| Gyllan AS | Health & social care | 2026 |
| Gálav Ski Guides AS | Administrative & support | 2024 |
| Hafenstrom AS | Energy | 2013 |
| Haikjeften AS | Arts & recreation | 2019 |
| Haiku Zen AS | Education | 2026 |
| Halusa AS | Real estate | 2024 |
| Halvorsen Hoff Ans | Information & communication | 2024 |
| Haneseth Elektro Narvik AS | Construction | 1992 |
| Haneseth Narvik Eiendom AS | Real estate | 2012 |
| Haneseth VVS Narvik AS | Construction | 2020 |
| Haraldstad AS | Real estate | 2014 |
| Havnegata 21 Eiendom AS | Real estate | 2019 |
| Havnegata Holding AS | Real estate | 2019 |
| Havnekafeen AS | Hospitality | 2025 |
| Headline AS | Other services | 2011 |
| Heatwork Norway AS | Manufacturing | 1993 |
| Hege Strøm AS | Wholesale & retail | 2015 |
| Heidi Olsson AS | Wholesale & retail | 2022 |
| Heiho AS | Health & social care | 2018 |
| Heimly AS | Real estate | 2019 |
| Helmuts Helmet Ans | Arts & recreation | 2012 |