| Ekelund Utvikling AS | Real estate | 2018 |
| Ekon Holding Norge AS | | 2021 |
| Ektre AS | Wholesale & retail | 2025 |
| Ekvoll Invest AS | | 2025 |
| El-Prod AS | Manufacturing | 2014 |
| Eldheim Invest AS | | 2026 |
| Eldorado Entreprenør AS | Construction | 2021 |
| Elegant Interiør Og Dekorasjon Da | Wholesale & retail | 2008 |
| Elektro Vestfold AS | Construction | 2007 |
| Elemental Printing AS | Professional & scientific | 2026 |
| Elementi AS | Wholesale & retail | 2017 |
| Elevate Capital AS | Professional & scientific | 2015 |
| Elevate People AS | Administrative & support | 2014 |
| Elfa Norge AS | Wholesale & retail | 1960 |
| Elgesem Holding AS | Real estate | 1988 |
| Elgesem Invest AS | Construction | 2013 |
| Elgesem Trevare AS | Real estate | 1990 |
| Elibara AS | Wholesale & retail | 2002 |
| Elin Røed AS | | 2021 |
| Elins Hårstudio AS | Other services | 2023 |
| ELINS IDEBYRÅ Elin Bøe og Elin Fensgård DA | Professional & scientific | 1994 |
| Eliquo Pmi AS | Construction | 1998 |
| Eliquo Water Nordics AS | Construction | 2000 |
| Elite One AS | Wholesale & retail | 2026 |
| Elke Holding AS | Wholesale & retail | 2022 |
| Ellen Liverød Consulting AS | Professional & scientific | 2010 |
| Eloop Gruppen AS | Information & communication | 2024 |
| Elpo Trading Da | Wholesale & retail | 2002 |
| Elsykkel Senter AS | Wholesale & retail | 2014 |
| Eltc Holding AS | | 2020 |
| Elum AS | Construction | 2018 |
| Elunda Holding AS | | 2021 |
| Elverhøy Entreprenør AS | Transport & logistics | 2010 |
| Emc Holding AS | | 2005 |
| Emedice AS | Health & social care | 2016 |
| Emf Holding AS | | 2021 |
| Empirica Scandinavia AS | Professional & scientific | 2011 |
| Emplex Software Da | Information & communication | 2003 |
| Encor AS | Transport & logistics | 2018 |
| Endokrinologi Og Indremedisin AS | Health & social care | 2024 |
| Eneri AS | Information & communication | 2017 |
| Eneri Fiber AS | Information & communication | 2020 |
| Enfinity AS | Information & communication | 2022 |
| Engevik Holding AS | Manufacturing | 2005 |
| Enggra AS | Financial services | 2023 |
| Engra Entertainment Ans | Professional & scientific | 2000 |
| Engstrøm Trafikkskole AS | Education | 2022 |
| Engtun Bygg & Eiendom AS | Construction | 2004 |
| Engøy Holding AS | | 2021 |
| Enklere Kontor AS | Wholesale & retail | 2021 |
| Enovisjon AS | Professional & scientific | 2024 |
| Entek AS | Construction | 1985 |
| Entrix AS | Construction | 2025 |
| Envidan AS | Professional & scientific | 2021 |
| Enwa Water Technology AS | Wholesale & retail | 1999 |
| Epi Eiendom AS | Wholesale & retail | 2006 |
| Epm Kulde AS | Construction | 2023 |
| Epoxygrossisten AS | Wholesale & retail | 2011 |
| Equal Opportunity Products AS | Wholesale & retail | 2022 |
| Equine Bodywork by A.P. AS | Other services | 2025 |
| Equitem AS | Wholesale & retail | 2020 |
| Ergonomikonsulentene AS | Health & social care | 2004 |
| Ericius Invest AS | Information & communication | 2018 |
| Eridos AS | | 2019 |
| Erik Og Espen Fikser Da | Administrative & support | 2026 |
| Erlandsen Invest AS | Arts & recreation | 2020 |
| Erling Sørhaug AS | Real estate | 1972 |
| Es Engineering AS | Professional & scientific | 2014 |
| Es-Arkitektur AS | Professional & scientific | 2020 |
| Escribo AS | Professional & scientific | 2015 |
| Eskar Holding AS | | 2025 |
| Espen Nilsen Bygg AS | Construction | 2022 |
| Essegent AS | Wholesale & retail | 2019 |
| Estetisk Sykepleier Heidi AS | Other services | 2025 |
| Estimar AS | | 2006 |
| Estètic Academy AS | Financial services | 2021 |
| Et-Invest AS | Administrative & support | 2004 |
| Etin AS | Professional & scientific | 2023 |
| Etingi AS | | 2024 |
| Etransport AS | Transport & logistics | 2025 |
| Ett Frem AS | | 2024 |
| Ette AS | | 2014 |
| ETTERFORSKER1 Gruppen AS | Administrative & support | 2014 |
| Etude AS | Education | 2010 |
| EU Consulting AS | Professional & scientific | 2014 |
| Euphoria House AS | Arts & recreation | 2025 |
| Eureqa AS | Professional & scientific | 2017 |
| Euro Eiendom AS | Real estate | 1997 |
| Eurodoc AS | Health & social care | 2010 |
| European Helicopter Center AS | Education | 1986 |
| Evacrail AS | Professional & scientific | 2026 |
| Evenstacks AS | Information & communication | 2020 |
| Eventleie AS | Administrative & support | 2016 |
| Everflow AS | | 2023 |
| Evidencebased Technology AS | Health & social care | 2018 |
| Evidencebased Treningsklinikk Sandefjord AS | Health & social care | 2018 |
| Evig Grønn AS | Professional & scientific | 2017 |
| Evjen Sønstebø AS | Professional & scientific | 2014 |
| Evo Finans AS | Financial services | 2018 |
| Ewhf Invest AS | | 2022 |