| Elka Helse AS | Health & social care | 2022 |
| Elkompetanse & Mepro AS | Professional & scientific | 2004 |
| Ella Invest AS | | 2017 |
| Ellen Grøntvedt Holding AS | Health & social care | 2010 |
| Ellen Loxley AS | Professional & scientific | 2022 |
| Ellhar Advokatfirma AS | Professional & scientific | 2025 |
| Ellingsen-Holding AS | | 2019 |
| Ellinor Haukebøe Holding AS | | 2025 |
| Elondemand AS | Professional & scientific | 2019 |
| Elpartner AS | Construction | 2022 |
| Elpartner Holding AS | | 2022 |
| Elpro Group AS | Manufacturing | 2013 |
| Elpro Holding AS | | 2024 |
| Elreps AS | | 2019 |
| Elsy AS | Wholesale & retail | 2023 |
| Elsykkelkollektivet SA | Other services | 2018 |
| Elsøk Eiendom AS | Real estate | 1995 |
| Elt Eiendom AS | | 2012 |
| Eltakst AS | Construction | 2021 |
| Elteam AS | Construction | 1998 |
| Elteam Holding AS | Real estate | 2024 |
| Eltorque AS | Manufacturing | 1996 |
| Eltre Eiendom AS | Real estate | 2014 |
| Elvegata 16 AS | Real estate | 2005 |
| Elvegt 12 AS | Real estate | 2007 |
| Elvehavna Invest AS | Professional & scientific | 2005 |
| Elvehavnbygg AS | Real estate | 1994 |
| Elvehøi AS | Professional & scientific | 2015 |
| Elvevegen 38 AS | Real estate | 2024 |
| Elvimar AS | | 2025 |
| Elvsanden AS | Health & social care | 2005 |
| Elwo Bil Woldseth Elverhaug Ans | Other services | 1990 |
| Em-Energy Solutions AS | Wholesale & retail | 2019 |
| Emacon AS | Professional & scientific | 2013 |
| Emantec AS | Professional & scientific | 1996 |
| Emap AS | Professional & scientific | 2000 |
| Emaus AS | Health & social care | 2010 |
| Embed AS | Information & communication | 2020 |
| Embla Holding AS | Real estate | 2005 |
| Embla Software Innovation AS | Information & communication | 2021 |
| Emero AS | Wholesale & retail | 1955 |
| Emesma Invest AS | | 2005 |
| Emir Restaurant AS | Hospitality | 2022 |
| Emisol AS | Information & communication | 2026 |
| Emkalian Holding AS | | 2026 |
| Emma Grøntvedt AS | | 2020 |
| Emmia Invest AS | | 2020 |
| Emperor Holding AS | | 2026 |
| Empig AS | Professional & scientific | 2011 |
| Empori AS | Professional & scientific | 2020 |
| Empower - Karina Andersen Aas AS | Education | 2021 |
| Emprego AS | | 2025 |
| Emsi AS | Real estate | 2005 |
| Emv Gourmet AS | Hospitality | 1995 |
| EN3 Invest AS | Real estate | 2011 |
| Enable 365 AS | Information & communication | 2023 |
| Enable AS | Information & communication | 2006 |
| Endo Skaar Invest AS | Health & social care | 2023 |
| Endors AS | Information & communication | 2012 |
| Endre Nypan Invest AS | Real estate | 2006 |
| Endringsledelsenorge AS | Education | 1996 |
| Enebakkveien 31 AS | Real estate | 1986 |
| Enebakkveien 69 AS | Real estate | 2007 |
| Energibygget AS | Real estate | 2007 |
| Energifangst Og Lagring AS | Professional & scientific | 2023 |
| Energima Trøndelag AS | Construction | 2019 |
| Energipartner AS | Construction | 2015 |
| Energipartner Holding AS | Construction | 2024 |
| Energiveien Eiendom Holding AS | Real estate | 2007 |
| Energonx Holding AS | | 2025 |
| Energy & Management Consulting Ltd Nuf | Professional & scientific | 2018 |
| Energy Creative Group AS | Professional & scientific | 2002 |
| Energy Harvest AS | Professional & scientific | 2015 |
| Enersky AS | Information & communication | 2024 |
| Enevo AS | Administrative & support | 2016 |
| Enevo Finans AS | Administrative & support | 2026 |
| Engasjert Design AS | Professional & scientific | 2021 |
| Engdal Invest AS | Real estate | 2019 |
| Engelbreth Holding AS | Real estate | 2004 |
| Enger Utvikling AS | Real estate | 2007 |
| Engineering Equality AS | Education | 2024 |
| Engqvist Invest AS | | 2022 |
| Engro AS | Wholesale & retail | 2023 |
| Engvik Invest AS | Real estate | 2011 |
| Engvik Regnskapsservice AS | Professional & scientific | 2012 |
| Enica Eiendom AS | Real estate | 2012 |
| Enica Invest AS | Real estate | 2005 |
| Enios AS | Professional & scientific | 2016 |
| Enkel Endring AS | Education | 2024 |
| Enklere DM AS | Wholesale & retail | 2025 |
| Enmo AS | Information & communication | 2024 |
| Enna Holding AS | Financial services | 2008 |
| Enoksen Eiendom AS | Professional & scientific | 2000 |
| Enologica AS | Professional & scientific | 2000 |
| Enry AS | Information & communication | 2018 |
| Enry Norway AS | Information & communication | 2018 |
| Ensyklet AS | Information & communication | 2015 |
| Entasis AS | Professional & scientific | 2012 |
| Enten Eller Frisør AS | Other services | 2026 |
| Enten Eller Frisør Da | Other services | 2006 |