| Dyrskuevn. 24 AS | Real estate | 2006 |
| DataRojahn AS | Information & communication | 1990 |
| E S Putten AS | Real estate | 1986 |
| Early Years AS | Education | 2025 |
| Easyavfall AS | Water & waste | 2021 |
| Echotrening AS | Arts & recreation | 2020 |
| Edition Polaris AS | Arts & recreation | 2020 |
| Edle Løvenskiold Holding AS | Real estate | 2005 |
| Eduneeds AS | Information & communication | 2025 |
| Edvardasholding AS | Construction | 2025 |
| Ekte Snekkerglede AS | Construction | 2021 |
| Elikar AS | | 2018 |
| Elkjøp Stormarked Nittedal AS | Wholesale & retail | 2013 |
| Emil Flislegger AS | Construction | 2017 |
| Enablement AS | Information & communication | 2021 |
| Enaes AS | | 2019 |
| Enger Invest Holding AS | | 2026 |
| Enjac AS | Manufacturing | 2026 |
| Entsergy Holding AS | Professional & scientific | 2023 |
| Era Bygg Ans | Construction | 2014 |
| Ernesto AS | Agriculture & fishing | 2015 |
| Evso Holding AS | | 2023 |
| F Dynna Holding AS | Professional & scientific | 2017 |
| Fangst AS | Agriculture & fishing | 2017 |
| Fiaskogen AS | | 2025 |
| Filska AS | Real estate | 2021 |
| Fine Service AS | Construction | 2022 |
| Finn Ove Invest AS | Wholesale & retail | 2020 |
| Finor AS | Wholesale & retail | 1983 |
| Fire AS | Real estate | 2019 |
| Fjøsne Holding AS | Information & communication | 2020 |
| Fladby Connector AS | Manufacturing | 2020 |
| Fladby Holding AS | Manufacturing | 2019 |
| Fladby Limited Nuf | | 2007 |
| Flapres Limited Nuf | Manufacturing | 2007 |
| Flapump AS | Manufacturing | 2015 |
| Fleisje Consulting AS | Information & communication | 2026 |
| Follerås Holding AS | Financial services | 2017 |
| Food Safety AS | Professional & scientific | 2021 |
| Forno AS | Wholesale & retail | 2015 |
| Fornomo AS | Wholesale & retail | 2018 |
| Fotograf Thomas Eckhoff AS | Professional & scientific | 2001 |
| Fountainblue AS | Financial services | 2016 |
| Fredriksen Regnskapsservice Ans | Professional & scientific | 1993 |
| Frilanstjenester AS | Arts & recreation | 2019 |
| FSV Holding AS | Real estate | 2017 |
| Gamle Dalsveg AS | Real estate | 2011 |
| Gierteskjell AS | Professional & scientific | 2024 |
| Gjersvik Bilformidling AS | Wholesale & retail | 2024 |
| Gjøvik Eiendomsselskap AS | Real estate | 2007 |
| Gjøvik Overnatting AS | Real estate | 2017 |
| Glorvigen Invest AS | | 2026 |
| Gluggen AS | Education | 2018 |
| Glømmi AS | Real estate | 1985 |
| Glømmi Holding AS | Real estate | 2005 |
| Go on Software AS | Information & communication | 2008 |
| Golden G Invest AS | Financial services | 2024 |
| Golf Unity AS | Administrative & support | 2025 |
| Granville Holding AS | Professional & scientific | 2017 |
| Grenor Bygg AS | Wholesale & retail | 2015 |
| Grsvk Ventures AS | Arts & recreation | 2024 |
| Grua Handel AS | Real estate | 2018 |
| Gruva AS | Wholesale & retail | 2005 |
| Grønne Rom Hagedesign AS | Administrative & support | 2023 |
| GS Eiendomsinvest AS | Financial services | 2005 |
| GV Gundersen AS | Agriculture & fishing | 2002 |
| Gøy for Barn AS | Information & communication | 2018 |
| H & E Eiendom AS | Real estate | 2005 |
| Hagan Tannhelse AS | Health & social care | 2021 |
| Halcom AS | Construction | 2006 |
| Hallingdal Entreprenør AS | Construction | 2013 |
| Hallingdal Maskinutleie AS | Construction | 2010 |
| Hasaas Consulting AS | Professional & scientific | 2015 |
| Haugheim Eiendom AS | Real estate | 2005 |
| Healthquest AS | Arts & recreation | 2025 |
| Healthy and Tasty Food AS | Hospitality | 2022 |
| Heiberg Holding AS | Information & communication | 2013 |
| Heidi Myrmæl Holding AS | Financial services | 2017 |
| Heien Holding AS | Financial services | 2018 |
| Heisti AS | Wholesale & retail | 2021 |
| Hellebo Holding AS | Construction | 2022 |
| Helseeksperten AS | Health & social care | 2023 |
| Herkan AS | Wholesale & retail | 2021 |
| Heute AS | Information & communication | 2007 |
| Hexcap AS | | 2022 |
| Hexeberg AS | Real estate | 2018 |
| Hjelkis AS | Construction | 2017 |
| Hjertum Holding AS | Financial services | 2005 |
| HKM Holding AS | Financial services | 2016 |
| HL Establishment AS | Wholesale & retail | 2022 |
| Holter Assets AS | Real estate | 2008 |
| Hommedal Holding AS | Information & communication | 2022 |
| Hov Eiendom Og Utleie AS | Real estate | 2018 |
| Hsms AS | | 2020 |
| Huelsator AS | | 2026 |
| Hydreco Hydraulics Norway AS | Wholesale & retail | 1970 |
| Hæilt Grønn AS | Transport & logistics | 2023 |
| Høglund Invest AS | | 2022 |
| Høysæter T-Banecompagnie AS | Information & communication | 2013 |
| Ida Mørck AS | Information & communication | 2018 |