| Emil Retail AS | Wholesale & retail | 1989 |
| Emilie Holding AS | Real estate | 2025 |
| Emin Studio Da | Manufacturing | 2020 |
| Eminell Invest AS | | 2024 |
| Eminent People AS | Administrative & support | 2011 |
| Eminus Design Studio AS | Professional & scientific | 2024 |
| Emisoft AS | Information & communication | 1992 |
| Emma Invest Holding AS | | 2023 |
| Emmas Empire AS | Hospitality | 2022 |
| Emmerhoff and the Melancholy Babies Ans | Arts & recreation | 2000 |
| Emoen Consulting AS | Information & communication | 2026 |
| Empe AS | | 2021 |
| Empire AI AS | Information & communication | 2022 |
| Empty Chair Publisher AS | Information & communication | 2023 |
| Emras Equine Services AS | Agriculture & fishing | 2023 |
| Emse Invest AS | Health & social care | 2020 |
| Emvest Holding AS | Financial services | 2024 |
| Emvo Bygg AS | Construction | 2021 |
| En Smule Bedre AS | Manufacturing | 2024 |
| En Til En Arkitekter AS | Professional & scientific | 2010 |
| En Til En Eiendom AS | Professional & scientific | 2001 |
| Encanta Norway Ltd Nuf | Information & communication | 2009 |
| Endelausmarka AS | Real estate | 2018 |
| Endo Bygg AS | Real estate | 2025 |
| Endregaard AS | | 2019 |
| Endresol AS | | 2021 |
| Endurance AS | | 2008 |
| Enduring AS | | 2023 |
| Enercon Energy Converter AB | Administrative & support | 2015 |
| Enercon Norge AS | Professional & scientific | 2014 |
| Enercon Services Norway AS | Construction | 2007 |
| Energi Invest AS | Professional & scientific | 2005 |
| Energi Og Klima AS | Professional & scientific | 2012 |
| Energigården Utvikling AS | Real estate | 2016 |
| Energihuset Vestland AS | Professional & scientific | 2023 |
| Energiunion AS | Wholesale & retail | 1992 |
| Energy Control AS | Information & communication | 2021 |
| Enes Consult AS | Manufacturing | 2023 |
| Enes Invest AS | Real estate | 2016 |
| Engasjert AS | Professional & scientific | 2006 |
| Engebrethsen Eiendomsutvikling AS | Real estate | 2021 |
| Engebø Holding AS | | 2021 |
| Engelsen Eiendomsutleie AS | Real estate | 2023 |
| Engelsen Holding AS | Real estate | 2005 |
| Engelsen Tomteselskap AS | Real estate | 2023 |
| Engen 16 AS | Real estate | 2025 |
| Engen 20 AS | Real estate | 2023 |
| Engen 22 AS | Real estate | 2025 |
| Engen 4 AS | Real estate | 2010 |
| Engen Chartering 2 AS | | 1996 |
| Engen Chartering AS | Transport & logistics | 1986 |
| Engen Eiendom AS | Real estate | 1989 |
| Engen Equity AS | | 2025 |
| Engen Invest AS | Real estate | 2008 |
| Engen Kulturservering AS | Hospitality | 2003 |
| Engen Legesenter AS | Health & social care | 2026 |
| Engen Legesenter Da | Health & social care | 2001 |
| Engen Restaurantdrift AS | Real estate | 2001 |
| Engen Service AS | Administrative & support | 2011 |
| Engevika Boliger AS | Real estate | 2020 |
| Engine Protection Partner AS | Wholesale & retail | 1996 |
| Enhanced Recovery Technologies AS | Professional & scientific | 2015 |
| Enique AS | | 2020 |
| Enjoy Saigon AS | Hospitality | 2018 |
| Enkelt Regnskap AS | Professional & scientific | 2021 |
| Enmeo AS | Professional & scientific | 2023 |
| Ennem AS | Information & communication | 2018 |
| Enor AS | Wholesale & retail | 1990 |
| Enor Invest AS | | 2018 |
| Enosol AS | Professional & scientific | 2020 |
| Enosol Holding AS | Professional & scientific | 2025 |
| Enrai Holding AS | Health & social care | 2023 |
| Enrica Holding AS | | 2024 |
| Ento Holdings AS | Professional & scientific | 2022 |
| Entreprenerdy AS | Information & communication | 2015 |
| Entytech AS | Information & communication | 2023 |
| Enviroup AS | Professional & scientific | 2021 |
| Eph 4 AS | Real estate | 2017 |
| Epi AS | Professional & scientific | 2020 |
| Episode AS | Wholesale & retail | 2023 |
| Epknot Europe AS | Transport & logistics | 2024 |
| Epleberg AS | Real estate | 2025 |
| Eplekarten Steinerbarnehage SA | Education | 1989 |
| Epsa Holding Nordics AS | | 2024 |
| Epsilon Delta Invest AS | Information & communication | 2023 |
| Eqscan AS | Education | 2023 |
| Eqy Partners AS | | 2021 |
| Erato Ans | Hospitality | 1992 |
| Ergre AS | Professional & scientific | 2023 |
| Erichsen Invest AS | | 2024 |
| Erik Invest Holding AS | | 2023 |
| Erik R. Hauge AS | Health & social care | 2012 |
| Eriko AS | | 2018 |
| Eriksson, Ove Roger Nuf | Professional & scientific | 2026 |
| Erko Seafood AS | Agriculture & fishing | 1993 |
| Erko Settefisk AS | Agriculture & fishing | 2006 |
| Erlend M AS | | 2020 |
| Erlend Waagen Eiendom AS | Real estate | 1998 |
| Erleveien 7 AS | Households | 1958 |
| Ernære AS | Health & social care | 2025 |