| Einar Roalsø AS | Real estate | 2006 |
| Einarsen Holding AS | | 2024 |
| Einispi AS | Professional & scientific | 2015 |
| Einispi Invest AS | | 2025 |
| Eiol Holding AS | | 2026 |
| Eirik Kyte Holding AS | | 2025 |
| Eirik Lunde Investment AS | Financial services | 2005 |
| Eiroma AS | Financial services | 2017 |
| Eirs Jord AS | Education | 2026 |
| Eirum AS | Information & communication | 2026 |
| Eitor AS | | 2020 |
| Eivinds Invest AS | Real estate | 2007 |
| Ejg Holding AS | Professional & scientific | 2021 |
| Ejlis AS | | 2020 |
| Ejmo Holding AS | | 2020 |
| Ek Investment AS | Financial services | 2016 |
| Ekken Holding AS | Real estate | 2011 |
| Eko Market AS | Wholesale & retail | 2021 |
| Eko-Mod AS | Construction | 2015 |
| Ekofiskvegen AS | Real estate | 2013 |
| Ekrheim Elconsult AS | Professional & scientific | 1980 |
| Ekrheim Holding AS | Professional & scientific | 2005 |
| Eksempel AS | | 2020 |
| Eksire AS | | 2018 |
| Eksplore AS | Professional & scientific | 2025 |
| Eksponentiell AS | | 2022 |
| El Greko Akropolis AS | Real estate | 1991 |
| Elbatool AS | Transport & logistics | 2025 |
| Elbilhjelpen.No AS | Wholesale & retail | 2012 |
| Elcor AS | Manufacturing | 1990 |
| Electronic Chart Centre AS | Professional & scientific | 1999 |
| Elefant Workspace AS | Arts & recreation | 2014 |
| Elefantteateret AS | Arts & recreation | 2021 |
| Elegant Holding AS | Real estate | 2013 |
| Elektrolüd AS | Arts & recreation | 2015 |
| Elemental Energies AS | Professional & scientific | 2024 |
| Elementhus & Vinduer AS | Real estate | 2016 |
| Elenovations AS | Professional & scientific | 2016 |
| Elenovations Holding AS | Professional & scientific | 2021 |
| Elevate Management AS | Administrative & support | 2025 |
| ELEVATE4PEOPLE AS | Administrative & support | 2020 |
| Elg Persontransport AS | Transport & logistics | 2026 |
| Elgar Holding AS | | 2024 |
| Elia Bakeri AS | Manufacturing | 2024 |
| Eliassen & Omdal AS | Arts & recreation | 2015 |
| Eliassen Bil AS | Wholesale & retail | 2021 |
| Eliassen Investering AS | Financial services | 2010 |
| Elirav Invest AS | Financial services | 2017 |
| Elisabeth Kersbergen Invest AS | Financial services | 2008 |
| Eliseevcases AS | Professional & scientific | 2018 |
| Elite Vinduspuss AS | Administrative & support | 1988 |
| Elitro AS | Administrative & support | 2020 |
| Elixir AS | Health & social care | 2020 |
| Elk Invest AS | | 2022 |
| Elko Properties AS | Real estate | 2021 |
| Ellen Hatlestad AS | | 2022 |
| Ellens Prosjekt AS | Hospitality | 2019 |
| Elleve AS | Professional & scientific | 2021 |
| Eln Equity AS | Health & social care | 2020 |
| Elogic AS | Information & communication | 2011 |
| Elogix AS | Professional & scientific | 2016 |
| Elru Holding AS | | 2018 |
| Eltervåg Helse AS | Arts & recreation | 2020 |
| Elto Finans AS | Manufacturing | 2005 |
| Eltor AS | Real estate | 2003 |
| Elvekallen AS | Financial services | 2004 |
| Elvis Frisør AS | Other services | 2012 |
| Elvis Invest AS | Other services | 2012 |
| Em Fasade AS | Construction | 2023 |
| Ema-Invest AS | | 2021 |
| Emaja AS | | 2026 |
| Ember AS | Professional & scientific | 2023 |
| Ember Restaurant AS | Hospitality | 2026 |
| Ember Ventures AS | Professional & scientific | 2026 |
| Embla Bunader AS | Wholesale & retail | 2021 |
| Embla Bunader Bergen AS | Wholesale & retail | 2025 |
| Embla Bunader Oslo AS | Wholesale & retail | 2021 |
| Embla Bunader Stavanger AS | Wholesale & retail | 2020 |
| Embla Bunader Storo AS | Wholesale & retail | 2021 |
| Embla Bunader Trondheim AS | Wholesale & retail | 2022 |
| Embla Group AS | Real estate | 2014 |
| Embraze AS | Real estate | 2025 |
| Emehai AS | Other services | 2024 |
| Emme Sushi AS | Hospitality | 2013 |
| Emmy Kunnskapsglede AS | Education | 2019 |
| Employ AS | Professional & scientific | 2022 |
| Employ Helse AS | Health & social care | 2019 |
| Employ Samdrift AS | Professional & scientific | 2022 |
| Empower Leadership Institute AS | Professional & scientific | 2024 |
| Empx AS | Professional & scientific | 2023 |
| Emsal AS | | 2025 |
| Emsol Holding AS | | 2018 |
| Encryptia AS | Education | 2020 |
| Endelaus Vinter AS | | 2026 |
| Enderman AS | | 2017 |
| Endoh AS | | 2019 |
| Endorfin Behandlingsklinikk AS | Health & social care | 2015 |
| Endoskopiutstyr AS | Wholesale & retail | 2022 |
| Endotelin AS | Health & social care | 2001 |
| Endre Invest AS | | 2024 |