| Eilo Invest AS | | 2017 |
| Eima AS | Real estate | 1997 |
| Eima Invest AS | Professional & scientific | 2024 |
| Eimi Eiendom AS | Real estate | 2020 |
| Eimot Invest AS | Financial services | 2005 |
| Ein Invest AS | Financial services | 2008 |
| Einang AS | Professional & scientific | 2020 |
| Einangsmoen Solkraftverk AS | Energy | 2025 |
| Einar AS | | 2025 |
| Einar Aslaksen AS | Information & communication | 2016 |
| Einar Bjørnstad & Sønn AS | Construction | 1972 |
| Einar Dahl-Jørgensen Nuf | Professional & scientific | 2008 |
| Einar F. Hansen AS | Professional & scientific | 2006 |
| Einar Film Drama AS | Information & communication | 2016 |
| Einar Film Eftf. AS | Information & communication | 2022 |
| Einar Film Og Fortellinger AS | Information & communication | 1993 |
| Einar Fuglesteg Holding AS | | 2026 |
| Einar Hansen Holding AS | Professional & scientific | 2020 |
| Einar Invest AS | Financial services | 2005 |
| Einar Jarmund & Co AS | Professional & scientific | 2019 |
| Einar Knutsen & Sønner Ans | Real estate | 1963 |
| Einar Knutsen & Sønner AS | Real estate | 2006 |
| Einar Magnus Bakke AS | Real estate | 1904 |
| Einar Mosvoll AS | | 2019 |
| Einar Norgaard AS | Professional & scientific | 2003 |
| Einar Riise & Sønn AS | Wholesale & retail | 1998 |
| Einar Risa Holding AS | Professional & scientific | 2006 |
| Einar Stange AS | Wholesale & retail | 1974 |
| Einar Stubberud Holding AS | Construction | 2024 |
| Einar Søhol AS | Real estate | 1960 |
| Einar Wengen AS | Professional & scientific | 2019 |
| Einar Westby AS | Professional & scientific | 2005 |
| Einarmabanditt AS | | 2026 |
| Einbu Consulting AS | Professional & scientific | 2021 |
| Einbugga Kraftverk AS | Energy | 2025 |
| Einebær Holding AS | Real estate | 2015 |
| Einekaggen AS | Financial services | 2012 |
| Einerhaugen AS | Real estate | 2026 |
| Einerhaugen II AS | Financial services | 2005 |
| Einerhaugveien 1 Og 2 Eiendom AS | Real estate | 1977 |
| Eineåsen Bolig 1 AS | Real estate | 2016 |
| Eingab AS | | 2023 |
| Einir AS | | 2023 |
| Einlyng Bygg AS | Construction | 2022 |
| Einmal Kommt Die Liebe Ans | Arts & recreation | 1999 |
| Einn AS | Information & communication | 2016 |
| Einride Norway AS | Transport & logistics | 2022 |
| Einride Technologies Norway AS | Transport & logistics | 2023 |
| Einset Holding AS | Construction | 2023 |
| Einstabland AS | Information & communication | 2013 |
| Einstein AS | Administrative & support | 2006 |
| Einstein Invest AS | Real estate | 2011 |
| Eintre AS | Professional & scientific | 2025 |
| Eintrøa Jaktbase AS | Real estate | 2019 |
| Eintveit Moldestad Invest AS | | 2025 |
| Einung Invest AS | | 2022 |
| Einvik Invest AS | | 2025 |
| Eio AS | Real estate | 2005 |
| Eiq AS | Information & communication | 2020 |
| Eir AS | Health & social care | 2006 |
| Eir Barnevern AS | Health & social care | 2020 |
| Eir Borealis AS | | 2025 |
| Eir Community AS | Education | 2026 |
| Eir Eiendom AS | Real estate | 2020 |
| Eir Försäkring AB | | 2020 |
| Eir Helsehjelp AS | Health & social care | 2024 |
| Eir Holding AS | | 2021 |
| Eir Terapeutisk Massasje AS | Other services | 2016 |
| Eir Utvikling AS | Professional & scientific | 2021 |
| Eira Revisjon & Rådgivning AS | Professional & scientific | 2006 |
| Eirewest AS | | 2026 |
| Eirik Aabrekk Holding AS | | 2025 |
| Eirik Asp AS | Real estate | 1995 |
| Eirik Auning AS | Health & social care | 2019 |
| Eirik Bakken Invest AS | | 2019 |
| Eirik Bakken Trening AS | Education | 2019 |
| Eirik Bjørnstad Holding AS | | 2025 |
| Eirik Bodsberg AS | | 2020 |
| Eirik Dalen Holding AS | | 2025 |
| Eirik Holding AS | | 2021 |
| Eirik Hovland AS | Professional & scientific | 2016 |
| Eirik Jarlsgate 2 AS | Real estate | 2006 |
| Eirik Lied AS | Financial services | 2015 |
| Eirik Maalen Andersen Invest AS | | 2024 |
| Eirik Mikkelsen Holding AS | Real estate | 2022 |
| Eirik Norman AS | Arts & recreation | 2018 |
| Eirik Og Pedro AS | Hospitality | 2013 |
| Eirik Ruiner Holding AS | | 2025 |
| Eirik S. Olsen AS | Wholesale & retail | 2014 |
| Eirik Seu Stokkmo AS | Financial services | 2014 |
| Eirik Solheim AS | Arts & recreation | 2024 |
| Eirik Sørensen AS | | 2021 |
| Eirik Thorsen AS | Professional & scientific | 2025 |
| Eirik Vikanes Investing AS | | 2019 |
| Eirik Åsheim Holding AS | | 2025 |
| Eirikdenhardbalne AS | | 2020 |
| Eirikhh Invest AS | | 2025 |
| Eiriks Gate 17 AS | Real estate | 2013 |
| Eiriks Gate 4 AS | Real estate | 2026 |
| Eiriksgate Sykkelverksted AS | Other services | 2013 |