| Ervik Venture AS | | 2025 |
| Ervikselva Kraft AS | Energy | 2019 |
| Ervikveien Eiendom Invest AS | Real estate | 2016 |
| Ervk Holding AS | | 2023 |
| Erwa AS | Real estate | 2025 |
| Erwe AS | Real estate | 2005 |
| Erwi AS | | 2020 |
| Erwin Hymer Group Nord AS | Administrative & support | 2023 |
| Ery Enterprise AS | Real estate | 2015 |
| Ery Tech AS | Real estate | 2015 |
| Erzberger AS | | 2025 |
| Erøy AS | Financial services | 2008 |
| Es Consulting AS | Professional & scientific | 2020 |
| Es Design & Decor AS | Professional & scientific | 2021 |
| Es Holdco AS | | 2025 |
| Es Hotellus AS | Real estate | 2015 |
| Es Montering & Tjenester AS | Construction | 2022 |
| Es Project AS | Financial services | 2011 |
| Es Ultrabygg AS | Construction | 2023 |
| Es-Dur AS | Professional & scientific | 2019 |
| ES10 Utvikling AS | Real estate | 2022 |
| Esa Figenschou Eiendom Konsult AS | Real estate | 2002 |
| Esa Holding AS | | 2022 |
| Esa Service AS | Construction | 2023 |
| Esam Tec AS | Information & communication | 2022 |
| Esand Holding AS | | 2018 |
| Esas AS | Wholesale & retail | 2014 |
| Esat AS | | 2025 |
| Esati Eiendom AS | Real estate | 2020 |
| Esb Prosjekt AS | Real estate | 2006 |
| Esbak Holding AS | | 2020 |
| Esbjug Holding AS | Information & communication | 2025 |
| Esc AS | Wholesale & retail | 2013 |
| Esc Eiendom AS | Real estate | 2022 |
| Esca AS | | 2023 |
| Esca Invest AS | Financial services | 2009 |
| Escala Capital AS | Professional & scientific | 2021 |
| Escala Capital Holding AS | Professional & scientific | 2021 |
| Escala Eiendom AS | Real estate | 2020 |
| Escalando AS | Financial services | 2011 |
| Escalante AS | | 2022 |
| Escalate Holding AS | | 2023 |
| Escalon Services Norway AS | Professional & scientific | 2017 |
| Escama AS | Real estate | 2004 |
| Escape Hairdressing AS | Other services | 2016 |
| Escape Travel AS | Administrative & support | 1993 |
| Escape Travel Group AS | Administrative & support | 2018 |
| Escape Velocity AS | Professional & scientific | 2016 |
| Escaton AS | Professional & scientific | 2022 |
| Escazu Invest AS | Financial services | 2008 |
| Esd AS | Arts & recreation | 2020 |
| Esdu AS | Financial services | 2005 |
| Esg & Compliance AS | Professional & scientific | 2023 |
| Esg AS | Real estate | 2013 |
| Esg Eiendom AS | Real estate | 2020 |
| Esg Energy AS | Professional & scientific | 2020 |
| Esg People AS | Administrative & support | 2022 |
| ESG23 AS | Real estate | 2016 |
| Esgian AS | Professional & scientific | 2019 |
| Esh AS | Arts & recreation | 2022 |
| Eshtar Frisør AS | Other services | 2021 |
| Esil AS | Real estate | 2005 |
| Esilio Paradiso AS | Transport & logistics | 2025 |
| Esis Next AS | | 2026 |
| Esit Isolering AS | Construction | 2025 |
| Esjar AS | | 2026 |
| Esk AS | Real estate | 2005 |
| Esk Eiendom AS | Real estate | 2017 |
| Eskaar AS | Information & communication | 2022 |
| Eskapader AS | Hospitality | 2021 |
| Eske AS | Wholesale & retail | 2004 |
| Eskeland Invest AS | | 2005 |
| Eskeland Ventures AS | Wholesale & retail | 2024 |
| Eskelund Consulting Services AS | Information & communication | 2021 |
| Eskil Teigen AS | | 2024 |
| Eskild Mageli Holding AS | | 2021 |
| Eskilstuna Maskin O Industriflyttingar AB (Emia) | Construction | 2009 |
| Eskilstuna Omsorg & Behandling Aktiebolag | Administrative & support | 2015 |
| Eskimo Datatjenester Da | Information & communication | 2003 |
| Eskimo Holding AS | Hospitality | 2020 |
| Eskimo Skjenk AS | Professional & scientific | 2023 |
| Eskono AS | Professional & scientific | 2015 |
| Esktrening Da | Education | 2025 |
| Esl Invest AS | Financial services | 2005 |
| Esmark Gestalt AS | Professional & scientific | 2020 |
| Esmaro Holding AS | Financial services | 2019 |
| Esmiley AS | Information & communication | 2015 |
| Esmoregal Invest AS | | 2024 |
| Esmé AS | Manufacturing | 2025 |
| Esolve Media AS | Professional & scientific | 2025 |
| Esong AS | Education | 2019 |
| Esoterica AS | Financial services | 2018 |
| Esp Group Norway AS | Financial services | 2002 |
| Espabila AS | | 2023 |
| Espada Invest AS | Construction | 2005 |
| Espar AS | | 2021 |
| Espb Invest AS | Financial services | 2015 |
| Espe Consulting AS | Information & communication | 2024 |
| Espedokken Invest AS | | 2024 |
| Espehaugen 349 AS | Real estate | 2021 |