| Dekk Lunde AS | Other services | 2022 |
| Digi Norway AS | Professional & scientific | 2013 |
| Digifam AS | Information & communication | 2025 |
| Dokumentsenter AS | Professional & scientific | 2005 |
| Done Pay AS | Information & communication | 2013 |
| Donut House Steinkjer AS | Hospitality | 2018 |
| Dovan Holding AS | Agriculture & fishing | 2024 |
| Dovile AS | Agriculture & fishing | 2016 |
| DR Agdestein AS | Health & social care | 2005 |
| Dragstad AS | | 2026 |
| Driftig Holding AS | | 2024 |
| Drone Invest AS | | 2021 |
| Dyrstad Nordre AS | Agriculture & fishing | 2026 |
| Dyrstad Samdrift Ans | Agriculture & fishing | 1999 |
| E&Ø Holding AS | | 1981 |
| E-M-N Holding AS | Other services | 2024 |
| E-Nor Installasjon AS | Construction | 2004 |
| E-R Eiendom AS | Real estate | 2012 |
| Easy Drift AS | Information & communication | 2016 |
| Easypiece Norway AS | Manufacturing | 2015 |
| Economy AS | Professional & scientific | 2023 |
| Edvard Ystgård Holding AS | | 2025 |
| Egge Bakeri AS | Manufacturing | 2017 |
| Egge Psykologservice AS | Health & social care | 2022 |
| Egge Sør Maskinlag Da | Administrative & support | 2009 |
| Egge Tildelingsområde SA | Arts & recreation | 1999 |
| Eiendomsregnskap AS | Professional & scientific | 2025 |
| Eika Økonomi Nord-Trøndelag AS | Professional & scientific | 2026 |
| Eirik Malmo AS | Professional & scientific | 2012 |
| Ejc AS | Real estate | 2006 |
| Ekker Holding AS | Financial services | 2017 |
| El-Tjeneste AS | Manufacturing | 2020 |
| Elektro Nord AS | Construction | 2011 |
| Elesco Midt-Norge AS | Construction | 2024 |
| Elite Regnskap AS | Professional & scientific | 2007 |
| ELKONSULENT1 AS | Real estate | 2011 |
| Elli Reitan Maskin AS | Agriculture & fishing | 2020 |
| Elli Tvestadli Samdrift Da | Agriculture & fishing | 2003 |
| Elman Steinkjer AS | Construction | 2009 |
| Elnan Samdrift Da | Agriculture & fishing | 2008 |
| Elp Byggestrøm AS | Construction | 2025 |
| Elp Consult AS | Construction | 2016 |
| Elp Utleie AS | Real estate | 2017 |
| Elpros AS | Construction | 2016 |
| Elseberget SA | Real estate | 2016 |
| Eltec Elektro AS | Construction | 2017 |
| Elvis Elektro AS | Construction | 2014 |
| Em-Holding AS | | 2019 |
| Embla Akademisk AS | Information & communication | 2019 |
| Empet Steinkjer Veterinærsenter AS | Professional & scientific | 2015 |
| Engum Invest AS | Other services | 2017 |
| Enklere Eiendom AS | Real estate | 2023 |
| Ennyhs AS | | 2012 |
| Erhat AS | Real estate | 2013 |
| Eriksaks Invest AS | Wholesale & retail | 2005 |
| Eshc AS | Professional & scientific | 2026 |
| Esklill Holding AS | | 2026 |
| EV3 Holding AS | | 2020 |
| Evalia AS | Professional & scientific | 2012 |
| Evhahn AS | Health & social care | 2025 |
| Evre AS | Wholesale & retail | 2018 |
| Evre Eiendom AS | Real estate | 2009 |
| Experience Food and Drink AS | Hospitality | 2017 |
| Explorative AS | Administrative & support | 2006 |
| Explore Eiendom AS | Real estate | 2024 |
| Fagaktuelt AS | Education | 1988 |
| Fagereng Eiendom AS | Real estate | 2012 |
| Fastlege Gisvold AS | Health & social care | 2015 |
| Fergeland Eiendom AS | Real estate | 2007 |
| Ferm Eiendom AS | Real estate | 2021 |
| Ferm Eiendom Utv AS | Real estate | 2024 |
| Fidus Invest AS | Professional & scientific | 2015 |
| Fifth Wheel AS | Professional & scientific | 2016 |
| Figga Bilservice AS | Other services | 2025 |
| Figga Boliger AS | Real estate | 2025 |
| Finansaktiva AS | | 2023 |
| Finn Invest AS | Professional & scientific | 2016 |
| Fish Catcher AS | Professional & scientific | 2021 |
| Fixrate AS | Information & communication | 2016 |
| Fixrate Capital AS | Financial services | 2021 |
| Fjellvegen Fossan-Henningvatnet SA | Agriculture & fishing | 1969 |
| Fjellvik Holding AS | Professional & scientific | 2005 |
| Fjeseth Melk Da | Agriculture & fishing | 2021 |
| Fjær Maskin AS | Construction | 2013 |
| Flathaugvegen 10 AS | Real estate | 2019 |
| FLY1 AS | Wholesale & retail | 2024 |
| Flygis AS | Administrative & support | 2024 |
| Forr Kornlag Da | Agriculture & fishing | 2007 |
| Forsentralen AS | Wholesale & retail | 1993 |
| Fosdalen AS | Administrative & support | 2008 |
| Fossem Og Reinsvatnet Grunneierlag SA | Real estate | 1960 |
| Fotograf Maren Auve AS | Professional & scientific | 2024 |
| Framtids-Skog AS | Agriculture & fishing | 2024 |
| Fredrikkes AS | Hospitality | 2021 |
| Freyr Invest AS | Financial services | 2021 |
| Friskgården AS | Health & social care | 2002 |
| Friskgården Stod AS | Health & social care | 1989 |
| Friskgården Utvikling AS | Health & social care | 2004 |
| Frisørhuset Carpe Diem AS | Other services | 2006 |
| Frol Utvikling AS | Real estate | 2005 |