| Farverikvartalet AS | Real estate | 2008 |
| Farverikvartalet Holding AS | Real estate | 2021 |
| Farveriparken Eiendomsutvikling AS | Real estate | 2019 |
| Fasade Torget AS | Construction | 2010 |
| Fauske Legetjeneste AS | Health & social care | 2021 |
| Felix, Felix AS | Professional & scientific | 2013 |
| Ferskvann Film AS | Information & communication | 2020 |
| Ferskvann Reklamebyrå AS | Professional & scientific | 2007 |
| Festiviteten Bar & Scene AS | Hospitality | 2017 |
| Figu Invest AS | | 2005 |
| Filmbros AS | Information & communication | 2014 |
| Filmreaktor Innlandet AS | Information & communication | 2022 |
| Finans-Kjøp AS | Real estate | 1972 |
| Finanshuset Hamar AS | Real estate | 2003 |
| Fint AS | Wholesale & retail | 2019 |
| Fiscus Invest AS | Real estate | 2013 |
| Fiskergata 22 Svolvær AS | Real estate | 2017 |
| Fjordhold AS | | 2026 |
| Flavour Drift AS | Hospitality | 2025 |
| Flexifilm Da | Information & communication | 2018 |
| Flock Holding AS | Health & social care | 2025 |
| Flyt Kompetanse AS | Professional & scientific | 2022 |
| Flyt Revisjon AS | Professional & scientific | 1989 |
| Flyt Yoga AS | Education | 2016 |
| Fm-Holding AS | | 2023 |
| Folding AS | | 2024 |
| Folkestads Gate 23 AS | Real estate | 2020 |
| Folkets Hus Hamar AS | Real estate | 1988 |
| Forlett AS | Education | 2022 |
| Forpleiningskompaniet AS | Hospitality | 2013 |
| Fortolker AS | Professional & scientific | 2025 |
| Fortunato Pizzeria AS | Hospitality | 2020 |
| Forza Green Support AS | Wholesale & retail | 2023 |
| Foseid Invest AS | | 2022 |
| Foss Interiør Ans | Wholesale & retail | 1990 |
| Fotograf Arnfinn Johnsen AS | Professional & scientific | 2020 |
| Fotomet AS | Professional & scientific | 2026 |
| FP Invest AS | Real estate | 1986 |
| Fra Idé Til Verdi - Økonomi Og Regnskap AS | Professional & scientific | 2004 |
| Fralma Invest AS | Wholesale & retail | 2014 |
| Fred the Chef Foods AS | Professional & scientific | 2016 |
| Fredrik Lien Holding AS | Financial services | 2017 |
| Fredvang Eiendom AS | Real estate | 2000 |
| Freske Fraspark AS | Wholesale & retail | 2004 |
| Frey Rekruttering Og Rådgivning AS | Professional & scientific | 2025 |
| Frifor AS | Information & communication | 2023 |
| Frode Alhaug AS | Professional & scientific | 1988 |
| Frode Magnussen Ans | Wholesale & retail | 1999 |
| Frog Quota AS | Information & communication | 2020 |
| Frøsetvegen 23 AS | Real estate | 2016 |
| FS Holding AS | Real estate | 2005 |
| Fugleriket Holding AS | | 2023 |
| Fuglum AS | Arts & recreation | 2016 |
| Fullpotentialpeople AS | Professional & scientific | 2021 |
| Furnes Group AS | | 2025 |
| Furnes Traktorsenter AS | Wholesale & retail | 2004 |
| Furnesvegen 31 AS | Real estate | 2023 |
| Furnesvegen 81 AS | | 2023 |
| Furnesveien 77 AS | Real estate | 2001 |
| Furnesveien AS | Real estate | 2014 |
| Furuberget AS | Information & communication | 2025 |
| Furuberglåven AS | Real estate | 2006 |
| Fynd Reality AS | Information & communication | 2009 |
| Fyri Hemsedal AS | Real estate | 2018 |
| Fysiomaren AS | | 2026 |
| Fysioteam AS | Health & social care | 1979 |
| Fønix CC Stadion AS | Arts & recreation | 2015 |
| Fønix Hamar Vest AS | Arts & recreation | 2022 |
| Fønix Storhamar AS | Arts & recreation | 2010 |
| G64 Vekst AS | Information & communication | 2022 |
| Gaa Bygg AS | Construction | 2016 |
| Gaar Invest AS | | 2021 |
| Gaasø & Lunde Invest AS | Construction | 2014 |
| Galleri Ekg AS | Wholesale & retail | 2013 |
| Galleri Grønnegaten 101 AS | Wholesale & retail | 1965 |
| Galleri Hervold Hamar AS | Wholesale & retail | 2022 |
| Gallery HKR AS | Wholesale & retail | 2024 |
| Game Development Cluster SA | Professional & scientific | 2025 |
| Gardermoen Eiendom AS | Real estate | 2000 |
| Gardermoen Invest AS | Real estate | 1991 |
| Gaucho AS | | 2023 |
| Gaustatoppen Invest AS | Real estate | 2000 |
| Gaustatoppen Sentrumsbygg AS | Real estate | 2010 |
| Gaustatoppen Sportell AS | Real estate | 2019 |
| Gave Og Interiørglede AS | Wholesale & retail | 2005 |
| Geir Kjeldstadli AS | Professional & scientific | 1997 |
| Geir Skår Holding AS | Financial services | 2005 |
| Geitfjell Vind Da | Construction | 2025 |
| Gelatiamo AS | Hospitality | 2023 |
| Geninova AS | Professional & scientific | 2001 |
| Genit AS | Arts & recreation | 2013 |
| Gennema AS | Professional & scientific | 2012 |
| Geno Global AS | Agriculture & fishing | 2002 |
| Geno R&D AS | Professional & scientific | 2008 |
| Geno SA | Agriculture & fishing | 1935 |
| Geno Venture AS | | 2025 |
| GHF Holding AS | Financial services | 2018 |
| Giset AS | Wholesale & retail | 1967 |
| Gkiil AS | Real estate | 2019 |
| GL Bygg AS | Construction | 2011 |