| Fastpris Regnskap AS | Professional & scientific | 2009 |
| Festkomiteen AS | Real estate | 2013 |
| Fionia Marine & Offshore AS | Professional & scientific | 2008 |
| Fionia Maritime Holding AS | Professional & scientific | 2008 |
| Fitnessplanet Svelvik AS | Arts & recreation | 2013 |
| FR Service AS | Transport & logistics | 2019 |
| Frod Eiendom AS | Real estate | 2010 |
| Frod Energy AS | Professional & scientific | 2019 |
| Frod Holding AS | Professional & scientific | 2018 |
| Frode Knapskog Kvalitetsservice AS | Professional & scientific | 2024 |
| Fruktgården AS | Agriculture & fishing | 2014 |
| Fucap AS | Energy | 2021 |
| Fuhrebo AS | | 2025 |
| Fuhrebo Holding AS | | 2025 |
| Fuhreum AS | | 2025 |
| Furecy AS | Wholesale & retail | 2025 |
| Furniconnect AS | Information & communication | 2021 |
| Futten AS | Wholesale & retail | 2005 |
| G. S. Bygg AS | Real estate | 2006 |
| GC Sport AS | Professional & scientific | 2019 |
| Gjermund Hellum AS | Administrative & support | 2007 |
| GPT 1 AS | Hospitality | 2023 |
| Green Star Storage AS | Real estate | 2021 |
| Greivasta No Nuf | Construction | 2023 |
| Grønn Salong AS | Health & social care | 2017 |
| Grøntmester AS | Administrative & support | 2001 |
| Gulvspesialisten AS | Construction | 2024 |
| Hagemann Eventer AS | Arts & recreation | 2025 |
| Hansen Og Wang AS | Wholesale & retail | 2024 |
| Harpoon Invest AS | | 2014 |
| Havnevik Brygge AS | Transport & logistics | 2003 |
| Haxthaus AS | Arts & recreation | 2021 |
| Haxthouse AS | Professional & scientific | 2025 |
| HB Estate AS | Real estate | 2015 |
| HBS AS | Real estate | 2013 |
| Heidtoni AS | Information & communication | 2022 |
| Helix Bo Og Omsorg AS | Administrative & support | 2025 |
| Hellum Gård AS | | 2025 |
| Hilding Anders Norway AS | Manufacturing | 1988 |
| Hillestad Møbelsnekkeri AS | Manufacturing | 2021 |
| HK Investments AS | Wholesale & retail | 2005 |
| HNS Bygg & Eiendom AS | Real estate | 2013 |
| Hofmann Renotec AS | Administrative & support | 2008 |
| Home and Design AS | Professional & scientific | 2025 |
| Horribulus AS | Financial services | 2024 |
| Hovland Sag AS | Real estate | 1948 |
| Hrada Creative AS | Information & communication | 2021 |
| Hurum Pukk AS | Mining & quarrying | 2015 |
| Hustek Holding AS | Construction | 2005 |
| HV Solutions AS | Professional & scientific | 2025 |
| Icing Consulting AS | Professional & scientific | 2020 |
| Ignis Teknikk AS | Professional & scientific | 2013 |
| Ikks AS | Information & communication | 2004 |
| Impuls Frisør AS | Other services | 2013 |
| Inch & Si. AS | Construction | 2024 |
| Instatak AS | Construction | 2025 |
| Interdesign Ans | | 1989 |
| Isiaki AS | Education | 2010 |
| J. B. Holding AS | Financial services | 2018 |
| J.M.Bil AS | Wholesale & retail | 1991 |
| Jagar AS | Arts & recreation | 2023 |
| Jagar Holding AS | Arts & recreation | 2020 |
| James Holding AS | Real estate | 2023 |
| Je&M Invest AS | Wholesale & retail | 2008 |
| Jensen Eiendomutvikling AS | Real estate | 2008 |
| Jernbane & Anleggsteknikk | Construction | 2026 |
| JNH AS | Construction | 2022 |
| Johnsrud Anleggsdrift AS | Construction | 2009 |
| Joreltor AS | Wholesale & retail | 1961 |
| Juve Holding AS | Real estate | 2023 |
| Juve Næringspark AS | Real estate | 1994 |
| Juve Pukkverk AS | Mining & quarrying | 1985 |
| JWH Invest AS | Real estate | 2013 |
| K.Jakobsen Service AS | Manufacturing | 2023 |
| Kampen Og Jensen Bygg- Og Eiendomsutvikling AS | Construction | 2014 |
| Karinka AS | Manufacturing | 2025 |
| Keller Bygg Og Anlegg AS | Construction | 2026 |
| Keller Holding AS | | 2026 |
| Kimchi Sushi AS | Hospitality | 2021 |
| Kingo&Olsen Holding AS | | 2020 |
| KMC AS | Professional & scientific | 2013 |
| Komtech AS | Real estate | 2021 |
| Konows Total AS | Other services | 2013 |
| Kredan Invest AS | Financial services | 2005 |
| Landaas & Hofmann AS | Real estate | 2023 |
| Landaas Invest AS | | 2017 |
| Larsen Eiendom AS | Real estate | 1999 |
| Larsson Invest AS | Administrative & support | 2023 |
| Lassen a M AS | Construction | 1983 |
| Le Thai AS | Hospitality | 2017 |
| Leine Holding AS | Financial services | 2016 |
| Lette Bygg Elementer AS | Manufacturing | 1991 |
| Lexberg Prosjektadministrasjon AS | Professional & scientific | 2013 |
| Liebakk Eiendom AS | Real estate | 2018 |
| Lyhus Og Fossum Graveservice Ans | Construction | 2003 |
| Lykkebunad AS | Manufacturing | 2024 |
| M.L.Holding AS | Wholesale & retail | 2018 |
| M.Stormfelt Holding AS | | 2025 |
| Malin Beathe AS | Professional & scientific | 2026 |
| Manumission AS | Professional & scientific | 2019 |