| Eirikyoyo AS | Wholesale & retail | 2026 |
| Eiris AS | | 2023 |
| Eirixen AS | | 2021 |
| Eirvig AS | Health & social care | 2024 |
| Eirvital Biotech AS | Wholesale & retail | 2024 |
| Eisa AS | | 2020 |
| Eisa.Bygg AS | Construction | 2026 |
| Eisi Invest AS | Financial services | 2015 |
| Eiso AS | | 2026 |
| Eisoda Invest AS | | 2025 |
| Eista Invest AS | Wholesale & retail | 2005 |
| Eit Og Anna Forlag AS | Wholesale & retail | 2025 |
| Eit Og Anna Holding AS | | 2025 |
| Eiterjord Eiendom AS | Real estate | 2021 |
| Eiterjord Investment AS | Real estate | 2017 |
| Eithon IT AS | Information & communication | 2024 |
| Eitillstad Eiendom BHG AS | Education | 2007 |
| Eitillstad Fus Barnehage AS | Education | 2019 |
| Eito Eiendom AS | Real estate | 2018 |
| Eitra AS | Professional & scientific | 2019 |
| Eitzen AS | Information & communication | 2013 |
| Eitzen Avanti AS | Administrative & support | 2017 |
| Eitzen Bulk One AS | Administrative & support | 2015 |
| Eitzen Capital AS | | 2017 |
| Eitzen Electric AS | | 2025 |
| Eitzen Shipping AS | Administrative & support | 2014 |
| Eitzen Six AS | | 2026 |
| Eiu AS | Real estate | 2024 |
| Eivhelg AS | Financial services | 2014 |
| Eivi Kosmetiske AS | Other services | 2024 |
| Eivind Bekkeli Holding AS | Information & communication | 2007 |
| Eivind Fadnes Holding AS | | 2021 |
| Eivind Giske Invest AS | | 2017 |
| Eivind Heimdal Holding AS | | 2019 |
| Eivind Kjosbakken Holding AS | | 2025 |
| Eivind Lundal Holding AS | | 2025 |
| Eivind Norseng AS | | 2025 |
| Eivind Selvig AS | Professional & scientific | 2014 |
| Eivind Sætha AS | Professional & scientific | 2018 |
| Eivind Tokle Eriksen Agentur AS | Wholesale & retail | 1990 |
| Eixample Holding AS | Wholesale & retail | 2015 |
| Ej Dahl Eiendom Da | Real estate | 2017 |
| Ej Gruppen AS | Administrative & support | 2017 |
| Ej Investments AS | Financial services | 2012 |
| Ej Kapital AS | | 2026 |
| Ej Rådgivning AS | Professional & scientific | 2003 |
| Eja II AS | | 2025 |
| Ejaz Holding AS | | 2026 |
| Ejf Holding I AS | | 2020 |
| Ejg Autosalg AS | | 2022 |
| Ejg Konsulentselskap AS | Professional & scientific | 2022 |
| Ejki Holding AS | | 2026 |
| Ejl Consulting AS | Information & communication | 2026 |
| Ejl Invest AS | | 2005 |
| Ejo AS | | 2019 |
| Ejo Eiendom A/S | Real estate | 1988 |
| Ejo Holding AS | Real estate | 1981 |
| Ejp Holding AS | Real estate | 2020 |
| Ejs Holding AS | Real estate | 2017 |
| Ek Aparicio Invest AS | Real estate | 2020 |
| Ek Capital AS | Professional & scientific | 2020 |
| Ek Holding Invest AS | | 2020 |
| Ek Kapital AS | Financial services | 2005 |
| Ek Takst AS | Professional & scientific | 2023 |
| Ek Transport AS | Transport & logistics | 2026 |
| Eka Consulting Services AS | Information & communication | 2019 |
| Eka Holding AS | | 2021 |
| Eka Strategy Holdings AS | | 2025 |
| Ekagra Holding Ans | Real estate | 2003 |
| Ekanger Fantini Arkitekter AS | Professional & scientific | 2020 |
| Ekas Holding AS | | 2025 |
| Ekb Holding AS | Real estate | 2005 |
| Ekblad Food AS | | 2025 |
| Ekbvn 252 AS | Real estate | 2025 |
| Ekc AS | Professional & scientific | 2021 |
| Ekc Invest AS | Real estate | 1996 |
| Ekebakken Holding AS | Professional & scientific | 2010 |
| Ekeberg Buss TTN AS | Transport & logistics | 2023 |
| Ekeberg Consulting AS | | 1984 |
| Ekeberg Design AS | Professional & scientific | 2024 |
| Ekeberg Eiendom Holding AS | Real estate | 2005 |
| Ekeberg Elektro AS | Construction | 2011 |
| Ekeberg Gruppen AS | | 2026 |
| Ekeberg Holding AS | | 2018 |
| Ekeberg Kiosk Og Cafe Ans | Hospitality | 1994 |
| Ekeberg Legekontor Da | Health & social care | 2015 |
| Ekeberg Osteopati AS | Health & social care | 2018 |
| Ekeberg Regnskap AS | Professional & scientific | 2021 |
| Ekeberg Solutions AS | Professional & scientific | 2022 |
| Ekeberg Varme & Sanitær AS | Construction | 2008 |
| Ekebergbygg AS | Real estate | 1936 |
| Ekebergrestauranten AS | Hospitality | 2004 |
| Ekebergveien 1 AS | Real estate | 2019 |
| Ekebergveien 170 AS | Households | 1948 |
| Ekebergveien 178 AS | Real estate | 2005 |
| Ekebergveien 193 AS | Real estate | 2022 |
| Ekebergveien 195 Eiendom AS | Real estate | 2014 |
| Ekebergveien 228 B AS | Real estate | 1993 |
| Ekebergveien 230 AS | Real estate | 2017 |
| Ekebergveien 235 AS | Real estate | 2019 |