| El Paso Gategrill Ans | Hospitality | 2004 |
| El-Toro AS | Hospitality | 2019 |
| Elconor Industrihandel Da | Wholesale & retail | 1990 |
| Eldøyane 177 AS | Real estate | 2005 |
| Eldøyane Fem AS | Real estate | 2019 |
| Elegant Apartments AS | Real estate | 2025 |
| Elegant Escape AS | Hospitality | 2024 |
| Elektro & Bygg AS | Construction | 2007 |
| Elektroreparasjon Haugalandet AS | Other services | 2020 |
| Elgr Holding AS | | 2022 |
| Eli Hovland Holding AS | | 2020 |
| Elilo AS | Financial services | 2013 |
| Elimat AS | | 2021 |
| Elite Bemanning AS | Administrative & support | 2017 |
| Elite Trafikkskole AS | Education | 2021 |
| Elite Travel AS | Administrative & support | 2021 |
| Elland Road Holding AS | Hospitality | 2020 |
| Elsjo Eiendom AS | Financial services | 2005 |
| Emblem Tomt AS | Real estate | 2023 |
| Embli AS | Professional & scientific | 2022 |
| Embli Holding AS | Professional & scientific | 2022 |
| Emcon AS | Transport & logistics | 1995 |
| Emh Invest AS | Financial services | 2005 |
| Emilix Holding AS | Real estate | 2005 |
| Emst Invest AS | Real estate | 2024 |
| En Eiendom AS | Real estate | 2007 |
| En Enkel Mann AS | Professional & scientific | 2014 |
| En Enkel Mann Holding AS | Real estate | 2008 |
| Endra AS | Professional & scientific | 2022 |
| Endresen Invest AS | Hospitality | 2001 |
| Endresen-Holding AS | Hospitality | 2005 |
| Energi & Varmespesialisten AS | Construction | 2024 |
| Energicus AS | Professional & scientific | 2024 |
| Energilogistikk AS | Transport & logistics | 2018 |
| Energineering AS | Professional & scientific | 2024 |
| Enfocon AS | Information & communication | 2008 |
| Engam Holding AS | Construction | 2016 |
| Engelsen Total AS | Construction | 2001 |
| Enklest AS | Information & communication | 2022 |
| Enter Sakkestad AS | Real estate | 2012 |
| Enter Sjøsiden AS | Real estate | 2014 |
| Entreupia Ans | Professional & scientific | 2025 |
| Enur AS | Professional & scientific | 2016 |
| Envis AS | | 2025 |
| Eny Holding AS | Professional & scientific | 2007 |
| Eou Holding AS | | 2025 |
| Epikur AS | Wholesale & retail | 2023 |
| Equ AS | Education | 2021 |
| Era Gruppen AS | Real estate | 2013 |
| Era Stillasutleie AS | Administrative & support | 2013 |
| Erik Nygaard Holding AS | | 2005 |
| Erve AS | | 2024 |
| Ervetoppen AS | | 2021 |
| Esa Optikk Holding AS | Wholesale & retail | 2022 |
| Escape Haugesund AS | Arts & recreation | 2018 |
| Esperando AS | Professional & scientific | 2005 |
| Esron Invest AS | Real estate | 2021 |
| Estetica Hudpleie Klinikk AS | Health & social care | 2020 |
| Esvera AS | | 2025 |
| Et Amundsen Holding AS | | 2021 |
| Eta Eiendom AS | Professional & scientific | 2012 |
| Eta Energi AS | Professional & scientific | 2012 |
| Eta Investering AS | | 2025 |
| Etb Entreprenør AS | Construction | 2023 |
| Etho Gen AS | | 2019 |
| Etne 1 Eiendom AS | Real estate | 2006 |
| Ett Øyeblikk AS | Professional & scientific | 1980 |
| Euro-Terminal AS | Transport & logistics | 1997 |
| Eva Bakkevig Holding AS | Financial services | 2021 |
| Eva Eiendom AS | Real estate | 1987 |
| Eva Fosen Bunadsmontering AS | Manufacturing | 2015 |
| Eva, Bjørn & Kenneth Transport AS | Transport & logistics | 1998 |
| Evate AS | | 2025 |
| Evate Eiendom AS | Real estate | 2025 |
| Evee Holding AS | | 2020 |
| Eventyrlige Historier AS | Real estate | 2015 |
| Evergreen Haugesund AS | Hospitality | 2012 |
| Eviso AS | Professional & scientific | 2020 |
| Evk Holding AS | Professional & scientific | 2014 |
| Evyts AS | | 2025 |
| Ex Ante Holding AS | Professional & scientific | 2020 |
| Expekt AS | | 2025 |
| Expoint AS | Professional & scientific | 2023 |
| Express Tjenester AS | Transport & logistics | 2026 |
| Extra Leker Haugesund AS | Wholesale & retail | 2004 |
| F. Halstensen Holding AS | Wholesale & retail | 2018 |
| Fabrikamm AS | Information & communication | 2014 |
| Face of Fashion AS | Wholesale & retail | 2012 |
| Facon AS | Real estate | 1984 |
| Fagne AS | Energy | 2015 |
| Fagveien Opplæringskontor SA | Education | 1997 |
| Falcoflex AS | Wholesale & retail | 2010 |
| Falk Bemanning AS | Administrative & support | 2025 |
| Familieverdier AS | Information & communication | 2021 |
| Fangreim AS | | 2021 |
| Fardalen Tomt AS | Real estate | 2023 |
| Fasadefornyeren SA | Manufacturing | 2011 |
| Fasai Thaimassasje AS | Other services | 2017 |
| Fatch AS | | 2014 |
| Fedjedalen Utvikling AS | Real estate | 2015 |