| Dinero AS | Financial services | 2006 |
| Dlira AS | | 2019 |
| Dr.Ing. Børge Bjørneklett AS | Financial services | 2016 |
| Dyreriket Holding AS | Information & communication | 2017 |
| Ebara International Corporation | Professional & scientific | 1999 |
| Ec Sæter AS | Health & social care | 2019 |
| Eceholdings AS | Financial services | 2013 |
| Ed Invest AS | Financial services | 2005 |
| Eek-Jensen AS | Education | 2013 |
| Eew AS | Professional & scientific | 2022 |
| Egne Hjem AS | Real estate | 2012 |
| Eidsæther Holding AS | | 2024 |
| Eikebo Foreldrelagsbarnehage SA | Education | 1988 |
| Eiksmarka Foreldrelagsbarnehage SA | Education | 1994 |
| Eiksmarka Frukt & Grønt Ans | Wholesale & retail | 2004 |
| Eiksmarka Grønt AS | Wholesale & retail | 2018 |
| Eiksmarka Senterdrift AS | Real estate | 2001 |
| Eiksmarka Sushi AS | Hospitality | 2017 |
| Eiksmarka Tannlegesenter AS | Health & social care | 2016 |
| Eivbe 344 Holding AS | | 2023 |
| Ejan AS | | 2022 |
| Ekk Holding AS | Financial services | 2017 |
| Ekrehagen AS | Arts & recreation | 2026 |
| Elem Holding AS | | 2020 |
| Eliasson Melhus AS | | 2019 |
| Energi Consultants AS | Health & social care | 2007 |
| Ens Invest AS | | 2025 |
| Eriksen Reference Audio AS | Professional & scientific | 2026 |
| Erpeel AS | Professional & scientific | 2025 |
| Ervik Finance AS | Professional & scientific | 2023 |
| Ejot Festesystem A/S | Wholesale & retail | 1985 |
| Fale AS | | 2023 |
| Falo AS | Real estate | 2020 |
| Feelgood Eiksmarka 2 AS | Arts & recreation | 2024 |
| Fermat AS | Professional & scientific | 2019 |
| Fermin AS | Financial services | 2004 |
| FHG AS | Professional & scientific | 2018 |
| Fieldnotes Holding AS | | 2021 |
| Fieldtech AS | Information & communication | 2022 |
| Fishdaq AS | Information & communication | 2016 |
| Fomles Hundefrisør AS | Other services | 2023 |
| Fotograf Roger AS | Professional & scientific | 2019 |
| Fotografene Kristin & Vibeke Da | Professional & scientific | 2008 |
| Fram Oslo AS | Professional & scientific | 2016 |
| Framgeo AS | Professional & scientific | 2026 |
| Frö AS | Real estate | 2026 |
| Frö Eiendom AS | Real estate | 2026 |
| Frö Folk AS | Real estate | 2026 |
| Fugelli Invest AS | Real estate | 2014 |
| Funktivity AS | | 2026 |
| Gallus Holding AS | | 2018 |
| Garaas Invest AS | | 2020 |
| Gegr Holding AS | | 2026 |
| Genzeb Limited Nuf | | 2007 |
| GFH Invest AS | Professional & scientific | 2020 |
| Gideons Music AS | Arts & recreation | 2022 |
| Gillebeau AS | | 2019 |
| Green Guard AS | Manufacturing | 2001 |
| Greenc Holding AS | Professional & scientific | 2021 |
| Grevenfjeld AS | | 2026 |
| Grini Gård AS | Real estate | 2008 |
| Grini Hjemmebakeri AS | Manufacturing | 2012 |
| Grinidammen 4 Eiendom AS | Real estate | 2013 |
| Grønnglede AS | Wholesale & retail | 2017 |
| Gullachs Invest AS | | 2023 |
| Hafino AS | Financial services | 1993 |
| Hampholmen AS | | 2015 |
| Haslelund Holding AS | Real estate | 2000 |
| Hasselbakk AS | | 2022 |
| Havfjell AS | Professional & scientific | 2007 |
| Havord Holding AS | | 2021 |
| Hemming Holding AS | Financial services | 2013 |
| Hemsi AS | Professional & scientific | 2022 |
| Henning Olweus Holding AS | | 2026 |
| Henrik Schoubye AS | Professional & scientific | 1975 |
| Herikla AS | Real estate | 1996 |
| Hessmel AS | Arts & recreation | 2020 |
| Hiking in Norway Ans | Administrative & support | 2006 |
| Hjeltgaard Management AS | Financial services | 2003 |
| Hjembruket AS | Wholesale & retail | 2024 |
| Hm-Erik Holding AS | | 2020 |
| Hoggs Engineering AS | Professional & scientific | 2017 |
| Holding Inwest AS | Financial services | 2018 |
| Holm Hejna AS | | 2009 |
| Horizon AS | Real estate | 2020 |
| Hotlemyra AS | Real estate | 2007 |
| Hovda AS | Real estate | 1985 |
| HP Werner Holding AS | Financial services | 2012 |
| Hybrasil AS | | 2022 |
| Hyllun AS | Professional & scientific | 2019 |
| Håkon Henriksen Holding AS | Real estate | 2012 |
| Hølbekkmoen AS | Professional & scientific | 2026 |
| Høyer Holding AS | Professional & scientific | 2008 |
| Ibr Holding AS | | 2021 |
| Icecube AS | Information & communication | 1982 |
| Ida Capital AS | | 2025 |
| Ilwa AS | Construction | 2023 |
| Ilwa Holding AS | | 2024 |
| Improvator AS | Professional & scientific | 1981 |
| Inevet AS | Information & communication | 2006 |