| Entendo AS | Professional & scientific | 2023 |
| Enter.O AS | Real estate | 2021 |
| Entrivo AS | Information & communication | 2026 |
| Entro AS | Professional & scientific | 2022 |
| Enua AS | Professional & scientific | 2021 |
| Enua Holding AS | | 2019 |
| Enua SPV AS | | 2024 |
| Enumita AS | Professional & scientific | 2019 |
| Enurm AS | Information & communication | 2022 |
| Eokb Holding AS | Wholesale & retail | 2019 |
| Ep Regnskap AS | Professional & scientific | 2004 |
| Epa Invest AS | | 2026 |
| Epcon Evaporation Technology AS | Professional & scientific | 2009 |
| Epf Investment AS | | 2023 |
| Epic Design Da | Professional & scientific | 2001 |
| Epic Trondheim AS | Information & communication | 2018 |
| Epics AS | Wholesale & retail | 2008 |
| Eplehagehuset AS | Professional & scientific | 2009 |
| Eplehuset AS | Wholesale & retail | 2000 |
| Eplehuset Norge AS | Wholesale & retail | 2004 |
| Epoch Eiendom Ilsvika AS | Real estate | 2021 |
| Epoch Holding AS | | 2024 |
| Epoxybelegg AS | Construction | 2020 |
| Eps Fuktsikring Midt-Norge AS | Construction | 2009 |
| Epsilon Norway AS | Wholesale & retail | 2017 |
| Equafish AS | Information & communication | 2025 |
| Era Eiendomsmegling AS | Real estate | 2025 |
| Era Omsorg AS | Administrative & support | 2024 |
| Era Regnskap AS | Professional & scientific | 2004 |
| Eras Collection AS | Real estate | 2024 |
| Erastus Regnskap Og Rådgiving AS | Professional & scientific | 2022 |
| Erco Eiendom Bolig AS | Real estate | 2014 |
| Erco Eiendom Næring AS | Real estate | 2011 |
| Erco Eiendomsforvaltning AS | Real estate | 2019 |
| Erco Invest AS | Real estate | 1987 |
| Ereality AS | | 2021 |
| Ergodata Ans | Wholesale & retail | 1999 |
| Erica Kvam AS | Arts & recreation | 2020 |
| Erik Hagen Eiendom AS | Real estate | 2025 |
| Erik Hagen Holding AS | Real estate | 2021 |
| Erik Korsnes Holding AS | Information & communication | 2023 |
| Erik Sæther Holding AS | | 2024 |
| Erik Øye Invest AS | Financial services | 2012 |
| Erik's Eiendom AS | Real estate | 1986 |
| Eriko Holding AS | | 2005 |
| Eriksen Eiendom AS | Real estate | 2003 |
| Eriksen Holding AS | | 2025 |
| Eriksentech AS | Information & communication | 2019 |
| Erketroll AS | Hospitality | 2023 |
| Erland Slettebråten Haugen Invest AS | | 2024 |
| Erlend AS | | 2022 |
| Erlend Borsholding AS | | 2025 |
| Erlend Granbo AS | Administrative & support | 2015 |
| Erlend Henriksveen Holding AS | | 2023 |
| Erlien Holding AS | | 2026 |
| Erling Olstad AS | Wholesale & retail | 2020 |
| Erling Skakkes Gate 66 AS | Real estate | 2016 |
| Erma AS | Hospitality | 2001 |
| Erntsen Invest AS | | 2021 |
| Erryco Energy AS | Professional & scientific | 2021 |
| Erryco Holding AS | Real estate | 1996 |
| Erryco Invest AS | Real estate | 1997 |
| Erst Holding AS | Wholesale & retail | 2021 |
| Ervig Matsenter AS | Wholesale & retail | 1992 |
| Ervika Bolig AS | Real estate | 2023 |
| Ervika Bygg AS | Real estate | 2015 |
| Erviking AS | Real estate | 2021 |
| Ervo Holding AS | Financial services | 2016 |
| Erwma AS | Real estate | 2017 |
| Es Bilmegling AS | Wholesale & retail | 2023 |
| Es Healthcare AS | Health & social care | 2020 |
| Es Tuning AS | Other services | 2009 |
| Es-Holding AS | Real estate | 2021 |
| Esaf Invest AS | Financial services | 2024 |
| Esaf Invest II AS | | 2026 |
| Escape Adventures AS | Arts & recreation | 2016 |
| Escape Reality AS | Administrative & support | 2015 |
| Eseia AS | Professional & scientific | 2026 |
| Esident AS | Health & social care | 2019 |
| Esj Holding AS | Real estate | 2018 |
| Eskan AS | Professional & scientific | 2011 |
| Esma Holding AS | | 2012 |
| Esmar AS | Professional & scientific | 2005 |
| Esmw AS | | 2022 |
| Esp Eiendom AS | Real estate | 1991 |
| Espace AS | Professional & scientific | 2020 |
| Espelien Eiendom AS | Real estate | 2016 |
| Espen Andresen AS | Wholesale & retail | 2022 |
| Espen Feilberg AS | Information & communication | 2025 |
| Espen Invest AS | Real estate | 2019 |
| Espen Lund Holding AS | | 2020 |
| Esperides AS | Financial services | 2005 |
| Espervik Design AS | Professional & scientific | 2000 |
| Espinho AS | Real estate | 2012 |
| Espnes Apparatservice AS | Other services | 1996 |
| Espnes Eiendom AS | Real estate | 2001 |
| Espnes Holding AS | Other services | 2005 |
| Espseth Holding AS | | 2025 |
| Essento AS | Real estate | 2011 |
| Est Pretiosa AS | Real estate | 2021 |