| Espehaugen 41 AS | Real estate | 2008 |
| Espehaugen 50 - Seksjon 2 AS | Real estate | 2022 |
| Espehaugen Eiendomsinvest AS | Real estate | 2011 |
| Espeland Investment AS | Real estate | 1973 |
| Espeland Næring AS | Real estate | 2006 |
| Espen Agdestein AS | Real estate | 2010 |
| Espen Aker Kran Og Transport AS | Transport & logistics | 2014 |
| Espen B. Andersson Holding AS | Health & social care | 2015 |
| Espen Consulting AS | Real estate | 2023 |
| Espen Eiborg AS | Arts & recreation | 2023 |
| Espen FG Holding AS | | 2024 |
| Espen Fredriksen Holding AS | | 2023 |
| Espen Gundersen Holding AS | | 2021 |
| Espen Horn AS | Information & communication | 2005 |
| Espen Jensen Invest AS | Real estate | 2007 |
| Espen Laeng AS | Professional & scientific | 2021 |
| Espen Lyche Engineering AS | Professional & scientific | 2021 |
| Espen Molund AS | Administrative & support | 2016 |
| Espen Seeberg Holding AS | Financial services | 2017 |
| Espen Tandberg AS | | 2023 |
| Espen Voll AS | Financial services | 2005 |
| Espen Wold Holding AS | Financial services | 2018 |
| Esperanto AS | Administrative & support | 2018 |
| Esperanza Invest AS | | 2024 |
| Espeseth Investment AS | | 2025 |
| Esplin & Browne AS | Education | 2014 |
| Espnes Gold AS | Professional & scientific | 2021 |
| Espolin-Kahrs Holding AS | | 2024 |
| Esport AS | Information & communication | 2014 |
| Esports Media Da | Information & communication | 2009 |
| Espresso AS | Hospitality | 2001 |
| Espresso House Norge AS | Hospitality | 2013 |
| Espri AS | Professional & scientific | 1997 |
| Esprit AS | Wholesale & retail | 1989 |
| Esq Holding AS | Real estate | 2016 |
| Esr Holding AS | Professional & scientific | 2020 |
| Esr Tech Talent AS | Administrative & support | 2022 |
| Esra Røise Illustrations AS | Arts & recreation | 2012 |
| Esro Invest AS | Construction | 2009 |
| Ess Helse AS | | 2005 |
| Ess Investment AS | Professional & scientific | 2005 |
| Ess-Consult AS | Administrative & support | 2003 |
| Ess-Drift AS | Professional & scientific | 2011 |
| Essal AS | Wholesale & retail | 2016 |
| Essayez Forvaltning AS | Professional & scientific | 2006 |
| Esse Non Videri AS | Real estate | 2016 |
| Essec A/S | Real estate | 1988 |
| Essei Design AS | Manufacturing | 2021 |
| Esselte AS | Wholesale & retail | 1961 |
| Essen International | Professional & scientific | 2001 |
| Essence Creative AS | Professional & scientific | 2015 |
| Essence Klinikk AS | Other services | 2025 |
| Essence Studio AS | Health & social care | 2025 |
| Essendropsgate 3 AS | Real estate | 2012 |
| Essens AS | Professional & scientific | 2020 |
| Essens Catering AS | Hospitality | 2008 |
| Essens Eiendom Ans | Real estate | 1993 |
| Essens Interiør Design Da | Professional & scientific | 2005 |
| Essenso AS | Professional & scientific | 2018 |
| Essential Objects AS | Wholesale & retail | 2016 |
| Essity Norway AS | Wholesale & retail | 1946 |
| Esslia AS | Real estate | 1990 |
| Essof Bidco AS | Information & communication | 2024 |
| Essof Manco AS | | 2024 |
| Essof Midco AS | | 2024 |
| Essof Topco AS | | 2024 |
| Esssinvest AS | | 2024 |
| Essve Norge AS | Wholesale & retail | 2013 |
| Essybag AS | Wholesale & retail | 2024 |
| Established Norway AS | Wholesale & retail | 2018 |
| Estancia Ans | Wholesale & retail | 1993 |
| Estara Group AS | Wholesale & retail | 2023 |
| Estate AS | Real estate | 2013 |
| Estate Consulting AS | Professional & scientific | 2022 |
| Estate Finance AS | Real estate | 2020 |
| Estate Holding AS | | 2026 |
| Estate Konsult AS | Real estate | 2025 |
| Estate Media AS | Information & communication | 2000 |
| Estate Utvikling AS | Real estate | 2022 |
| Estatec AS | Real estate | 2015 |
| Estatelab PM AS | Information & communication | 2021 |
| Estatex AS | Real estate | 2011 |
| Estatia Resort Holding AS | Real estate | 2008 |
| Estatia Resort Hotels AS | Real estate | 2005 |
| Estatia Resort Nor AS | Real estate | 2008 |
| Estator AS | Real estate | 2008 |
| Estator Eiendom AS | Real estate | 2008 |
| Estee Lauder Cosmetics A/S Nuf | Wholesale & retail | 1995 |
| Estelia Norway AS | Wholesale & retail | 2026 |
| Estelle AS | Information & communication | 2024 |
| Estensen AS | | 2021 |
| Estero AS | Real estate | 2012 |
| Estetisk Plastikkirurgi AS | Health & social care | 2017 |
| Estetisk Plastikkirurgi Oslo AS | Health & social care | 2022 |
| Estetisk Tannregulering AS | Health & social care | 2012 |
| Estetum Bolig AS | Real estate | 2021 |
| Estia Catering AS | Hospitality | 2018 |
| Estimages Norge AS | Information & communication | 2015 |
| Estio Group AS | Information & communication | 2026 |
| Estmed Klinikken AS | Health & social care | 2022 |