| Fitsolutions AS | Wholesale & retail | 2023 |
| Fjerby Eiendom AS | Real estate | 2010 |
| Fjerdingby Pizza & Grill AS | Hospitality | 2019 |
| Fjerdingby Tannhelse AS | Health & social care | 2025 |
| Fjetor AS | Financial services | 2005 |
| Fjord Music AS | Arts & recreation | 2024 |
| Forandre Boligutvikling AS | Real estate | 2016 |
| Forenbu Pizza Holdning AS | | 2024 |
| Framtida Eiendom AS | Real estate | 2022 |
| Fremtid Utvikling AS | Real estate | 2021 |
| Frene AS | Information & communication | 2012 |
| Friis Consulting & Holding AS | Professional & scientific | 2021 |
| Frukt & Lunch Compagniet AS | Hospitality | 2001 |
| Fward Holding AS | | 2018 |
| Færgestad Invest AS | Financial services | 2017 |
| Gamleveien 2 AS | Real estate | 2000 |
| Gashi Invest AS | | 2020 |
| Gebiznissen AS | | 2025 |
| Gentas Eiendomsinvest AS | Real estate | 2016 |
| Gi Labb AS | Manufacturing | 2023 |
| Ginta Invest AS | | 2024 |
| Global Grid AS | | 2025 |
| Global Stillas AS | Wholesale & retail | 2016 |
| Glow Frisør AS | Other services | 2026 |
| Golf Zone AS | Wholesale & retail | 2026 |
| Granhaug Peismontering AS | Construction | 2022 |
| Green Foods AS | Wholesale & retail | 2013 |
| Grønliveien Panorama AS | Real estate | 2019 |
| Grønlund Heder & Jahr Musikk Da | Arts & recreation | 1995 |
| Hallan Invest AS | Wholesale & retail | 2005 |
| Hansenrismoen Invest AS | | 2018 |
| Happytech AS | | 2020 |
| Hektner Agro AS | Wholesale & retail | 2026 |
| Hektner Eiendom AS | Real estate | 2005 |
| Hektner Gård | Education | 2004 |
| Hektner Maskin AS | Wholesale & retail | 2005 |
| Hektneråsen Fus Barnehage AS | Education | 2019 |
| Hektneråsen Utbygging AS | Real estate | 2004 |
| Hellesjø Eiendomsforvaltning AS | Real estate | 2023 |
| Hetland Rørleggerbedrift AS | Construction | 2010 |
| High End Regulering AS | Health & social care | 2014 |
| Highwhey AS | Wholesale & retail | 2024 |
| Hira Trading Company AS | Hospitality | 2007 |
| Hjem Og Kontor AS | Administrative & support | 2022 |
| Hkøm Invest AS | | 2021 |
| HMN Elektro AS | Construction | 2016 |
| Hofseth Holding AS | | 2018 |
| Holm VVS AS | Construction | 2015 |
| Hongi Invest AS | Information & communication | 2007 |
| House of Secrets AS | Administrative & support | 2015 |
| Hovslager Daniel AS | Agriculture & fishing | 2023 |
| HS Bil AS | Wholesale & retail | 2013 |
| Hsa Consulting AS | Information & communication | 2019 |
| Husbyklinikkene AS | Health & social care | 2023 |
| Husdrømmen Arkitektur AS | Real estate | 2016 |
| Hyttebaronen AS | Real estate | 2024 |
| Håndverkerstallen AS | Professional & scientific | 2025 |
| Høiskar Invest AS | | 2026 |
| Igel-Konsult AS | Professional & scientific | 2011 |
| Imex AS | | 2024 |
| Inclusive Creation AS | Professional & scientific | 2019 |
| Infored Da | Information & communication | 2002 |
| Infurnity Nuf | Wholesale & retail | 2019 |
| Int Art Group AS | Arts & recreation | 2021 |
| Invite AS | Information & communication | 2017 |
| IT Plus AS | Information & communication | 2019 |
| Ivp Bygg Tjenester AS | Construction | 2019 |
| Jaaan AS | Professional & scientific | 2016 |
| Jan Bergströms Tivoli AB | Arts & recreation | 1995 |
| Jan-Terje Lurud Holding AS | Real estate | 2012 |
| JBS MENS UNDERWEAR norsk avdeling av utenlandsk foretak NUF | Wholesale & retail | 1995 |
| JCB Bygg & Anlegg AS | Construction | 2013 |
| Jem Andersen Invest AS | | 2021 |
| Jessheim 2 AS | Real estate | 2020 |
| Jonas Ankerud AS | Financial services | 2015 |
| Jowip Invest AS | | 2025 |
| JP Invests AS | Financial services | 2012 |
| JS2 Utvikling AS | Real estate | 2019 |
| Karsten Kleivens Næringsinteresser AS | Information & communication | 2020 |
| Keep Holding AS | Professional & scientific | 2005 |
| Kemari AS | Financial services | 2016 |
| Kerimo Holding AS | Information & communication | 2006 |
| KFV Holding AS | | 2023 |
| Kilde Konsult AS | Professional & scientific | 2019 |
| Kinderbeauty AS | Wholesale & retail | 2019 |
| Kjønnøya Kystpark AS | Real estate | 2025 |
| Klimaforge AS | Professional & scientific | 2026 |
| KM Landskapsentreprenør AS | Construction | 2020 |
| KN Capital AS | | 2018 |
| Kompass Eiendom AS | Real estate | 2020 |
| Kompass Utvikling AS | Real estate | 2022 |
| Kroksleiven Holding AS | | 2026 |
| Kuben Holding AS | | 2026 |
| Kulturkonsulenten AS | Professional & scientific | 2016 |
| Kurland Oppmåling AS | Financial services | 2013 |
| Kvaliteetkatus Nuf | Professional & scientific | 2022 |
| KXC AS | Professional & scientific | 2025 |
| L&F CG AS | Professional & scientific | 2020 |
| Laache Panorama AS | Real estate | 2020 |
| Larsen & Aas Gulvbehandling Ans | Construction | 2003 |