| Elsave Eiendom AS | Real estate | 2016 |
| Elsave Eiendom II AS | Real estate | 2023 |
| Else AS | Financial services | 2001 |
| Eltek Norway AS | Manufacturing | 1997 |
| Eltek Power (UK) Ltd | Professional & scientific | 2012 |
| Elvebredden 84 AS | Real estate | 2001 |
| Elvebredden Park AS | | 2017 |
| Elvebyen Aromaterapi Og Thaimassasje AS | Health & social care | 2016 |
| Elvebyen Auto AS | Wholesale & retail | 2021 |
| Elvebyen Bil AS | Wholesale & retail | 2009 |
| Elvebyen Bilpleie AS | Other services | 2015 |
| Elvebyen Bygg AS | Construction | 2013 |
| Elvebyen Invest AS | Professional & scientific | 2005 |
| Elvebyen Legesenter AS | Health & social care | 2021 |
| Elvebyen Logopedtjeneste AS | Health & social care | 2025 |
| Elvebyen Media AS | Information & communication | 2026 |
| Elvebyen Prosjekt AS | Professional & scientific | 2015 |
| Elvebyen Regnskap AS | Professional & scientific | 2022 |
| Elvebyen Rørservice AS | Construction | 2016 |
| Elvebyen Sykkel&Hage AS | Wholesale & retail | 2022 |
| Elvebyen Tannlegesenter AS | Health & social care | 2021 |
| Elvebyen Taxi AS | Transport & logistics | 2010 |
| Elvebyen Taxibuss AS | Transport & logistics | 2005 |
| Elvebyen Trafikkskole AS | Education | 2021 |
| Elvegata Utvikling AS | Real estate | 2021 |
| Elvegruppen AS | Professional & scientific | 2023 |
| Elvegruppen Invest AS | | 2025 |
| Elvegruppen Regnskap AS | Professional & scientific | 2023 |
| Elvegården Drammen AS | Real estate | 2001 |
| Elven Eiendom AS | Real estate | 2016 |
| Elven Taxi AS | Transport & logistics | 2026 |
| Elveparken Holding AS | | 2026 |
| Elveparken Vest Brygge SA | Real estate | 2007 |
| Elvetunet NR. 47 AS | Real estate | 1991 |
| Elysee Dental AS | Wholesale & retail | 2016 |
| Em Teknikk - Energi AS | Professional & scientific | 2011 |
| Em Teknikk AS | Professional & scientific | 1998 |
| Emblemhagen AS | Real estate | 2018 |
| Embretsfosskraftverkene Da | Energy | 2010 |
| Emenda Eiendomsdrift AS | Administrative & support | 2026 |
| Emenn Da | Manufacturing | 2012 |
| Emissa Bakst AS | Wholesale & retail | 2026 |
| Emla Holding AS | | 2018 |
| Emma Kapital AS | | 2019 |
| Emmys Holding AS | | 2022 |
| Emol Invest AS | Real estate | 2019 |
| Emvic AS | Professional & scientific | 2005 |
| Emw AS | Information & communication | 2024 |
| Enb AS | Construction | 2016 |
| Enberg Invest AS | | 2025 |
| Eneas Energy Services AS | Professional & scientific | 2018 |
| Eneas Services AS | Professional & scientific | 2012 |
| Energihuset Marked AS | Professional & scientific | 2021 |
| Energiløsning AS | Construction | 2023 |
| Energima Drammen AS | Construction | 2025 |
| Energipakka AS | Professional & scientific | 2023 |
| Energy Saver AS | Energy | 2019 |
| Engebret Holding AS | Real estate | 2018 |
| Engen & Nilsen Family Invest AS | | 2022 |
| Engen Byggservice AS | Construction | 1970 |
| Engene 2 Invest AS | Real estate | 2024 |
| Engene 43 Og 45 AS | Real estate | 2015 |
| Engene 84 AS | Households | 1952 |
| Engene Eiendom 59 & 61 AS | Real estate | 2019 |
| Engene Eiendom AS | Real estate | 1994 |
| Engene Invest AS | Real estate | 1990 |
| Enger & Hedlund AS | Wholesale & retail | 2007 |
| Engineering Consultants Norway AS | Administrative & support | 2009 |
| Engitech AS | Professional & scientific | 2025 |
| Engskogen Eiendom AS | Real estate | 1988 |
| Enify Group AS | Real estate | 2022 |
| Enjoy Living AS | Professional & scientific | 2013 |
| Enkel Byggesak AS | Professional & scientific | 2023 |
| Enklere Hverdag AS | Transport & logistics | 2017 |
| Enlien Invest AS | Real estate | 2008 |
| Enn Invest AS | | 2021 |
| Enodo AS | Professional & scientific | 2018 |
| Enoksen Holding AS | | 2023 |
| Enrich Consult AS | Professional & scientific | 2024 |
| Enrich Holding AS | | 2024 |
| Enspiron AS | Information & communication | 2000 |
| Enter Kompetanse AS | Health & social care | 1975 |
| Enyomilewa AS | Professional & scientific | 2019 |
| Epc Norge AS | Wholesale & retail | 1990 |
| Eplecheck AS | Information & communication | 2018 |
| Epsilon Events Og Management AS | Administrative & support | 2026 |
| Equine Anatomy Insight AS | Education | 2020 |
| Equine Insight AS | Health & social care | 2020 |
| Equisafe AS | Administrative & support | 2019 |
| Ergodics AS | Professional & scientific | 2001 |
| Ergonomiutstyr AS | | 2014 |
| Erik Børresens Allé 9 AS | Real estate | 2017 |
| Erik Kolstad AS | Professional & scientific | 2018 |
| Erik Samuelsen AS | Professional & scientific | 2005 |
| Erik Simonsen Bil Og Eiendom AS | Real estate | 2012 |
| Erik Øhren AS | Health & social care | 2015 |
| Eriksrud Invest AS | | 2025 |
| Erlend Heli AS | Financial services | 2014 |
| Erlend Solem Holding AS | | 2024 |
| Ernst P. Norge AS | Wholesale & retail | 2007 |