| E Tøndel Taktekking AS | Construction | 1981 |
| E Vermelid AS | Real estate | 1987 |
| E&M Company AS | Hospitality | 2025 |
| E-Agora AS | Information & communication | 2026 |
| E-Avot AS | Real estate | 2023 |
| E-Sg AS | Real estate | 2022 |
| E-Sp Holding AS | | 2024 |
| E. Grinde Holding AS | | 2026 |
| E. K. Elden Galleri AS | Wholesale & retail | 2019 |
| E. S. Hoyem AS | Professional & scientific | 2024 |
| E. Skulbørstad AS | Construction | 2024 |
| E. Venås Holding AS | | 2026 |
| E.Andresen Holding AS | | 2023 |
| E.B Holding AS | Real estate | 2016 |
| E.C. Dahls Bryggeri AS | Manufacturing | 2014 |
| E.E.D AS | | 2021 |
| E.K. Revisjon AS | Professional & scientific | 2006 |
| E.Smith Holding AS | Health & social care | 2019 |
| E.Smith Invest AS | Real estate | 2023 |
| Ea K Holding AS | | 2020 |
| Eah Investment AS | | 2021 |
| Eai Holding AS | | 2023 |
| Eal Holding AS | | 2025 |
| Eal Invest AS | | 2026 |
| Early-Warning AS | Professional & scientific | 2005 |
| Earlywin Analytics AS | Professional & scientific | 2019 |
| Ears Consulting AS | Information & communication | 2017 |
| Eas Consult AS | Professional & scientific | 2024 |
| Easyfit Valentinlyst AS | Arts & recreation | 2021 |
| Easyjournal AS | Information & communication | 2026 |
| Easysocks AS | Wholesale & retail | 2021 |
| Eaw AS | Real estate | 2025 |
| Ebb Hold AS | Wholesale & retail | 2024 |
| Ebe Holding AS | Real estate | 2013 |
| Eberg Motor AS | Wholesale & retail | 1992 |
| Eberg Sol AS | Other services | 2010 |
| Ecde Service AS | Administrative & support | 2024 |
| Eco Eiendom AS | Real estate | 1995 |
| Eco People AS | Wholesale & retail | 2021 |
| Eco Transport 10 AS | Transport & logistics | 2018 |
| Eco Transport 11 AS | Transport & logistics | 2017 |
| Eco Transport 2 AS | Transport & logistics | 2018 |
| Eco Transport 3 AS | Transport & logistics | 2018 |
| Eco Transport 4 AS | Transport & logistics | 2018 |
| Eco Transport 5 AS | Transport & logistics | 2018 |
| Eco Transport 6 AS | Transport & logistics | 2018 |
| Eco Transport 7 AS | Transport & logistics | 2018 |
| Eco Transport 8 AS | Transport & logistics | 2017 |
| Ecomap AS | Information & communication | 2024 |
| Ecomnex Holding AS | Financial services | 2008 |
| Econ Analytics AS | Information & communication | 2026 |
| Econ Nordic AS | Professional & scientific | 2022 |
| Econ Nordic Invest AS | | 2022 |
| Ecopolix AS | Professional & scientific | 2023 |
| Ecotere AS | Professional & scientific | 2022 |
| Ed Eiendom AS | Real estate | 2018 |
| Ed Eiendom Prosjekt AS | Real estate | 2021 |
| Ed Utvikling AS | Real estate | 2012 |
| Edda Legesenter Da | Health & social care | 2000 |
| Edgar B. Schieldrops Vei 40 Eiendom AS | Real estate | 2024 |
| Edge Barbershop Trondheim AS | Other services | 2016 |
| Edge Energy AS | Health & social care | 2016 |
| Edge Venture AS | Financial services | 2015 |
| Edmund Brekke Holding AS | | 2019 |
| Edoramen AS | Hospitality | 2020 |
| Eduspike AS | Education | 2017 |
| Edvard Edvardsen Holding AS | | 2025 |
| Edw Holding AS | | 2021 |
| Eee Norge Nuf | Construction | 2008 |
| Eelume AS | Professional & scientific | 2015 |
| Efb AS | | 2020 |
| Effect Bemanning AS | Administrative & support | 2013 |
| Effect Io AS | Information & communication | 2013 |
| Effecto Rådgivere AS | Professional & scientific | 2005 |
| Effektiv Økonomi AS | Professional & scientific | 2002 |
| EFFORTLESS365 AS | Information & communication | 2025 |
| Efskin Invest AS | Real estate | 2005 |
| Efskin Kapital AS | | 2025 |
| Eg Checkware AS | Information & communication | 2006 |
| Ege Og Brørs Frisør AS | Other services | 2022 |
| Egeland Offshore Consulting AS | Professional & scientific | 2011 |
| Eggen Arkitekter AS | Professional & scientific | 1986 |
| Egiett AS | | 2022 |
| Egil Ulvan Holding AS | | 2005 |
| Egil Ulvan Rederi AS | Transport & logistics | 1977 |
| Egon A/S | Hospitality | 1986 |
| Ehc AS | Professional & scientific | 2007 |
| Ehya Capital AS | Professional & scientific | 2024 |
| Eian & Alsos AS | Construction | 2024 |
| Eian Bil AS | Wholesale & retail | 2021 |
| Eian Eiendom AS | Real estate | 2020 |
| Eian Eiendom Næring AS | Real estate | 2023 |
| Eidco AS | Transport & logistics | 1993 |
| Eide Innovations AS | Professional & scientific | 2011 |
| Eidshaugen Invest AS | Professional & scientific | 2015 |
| Eidsvolls Gate 11 a Og B AS | Real estate | 2025 |
| Eidsvolls Gate 5 AS | Real estate | 2017 |
| Eidsvolls Gate 8 AS | Real estate | 2015 |
| Eidsvollsgate 30B AS | Real estate | 2022 |
| Eidsvollsgate 34 AS | Real estate | 2008 |