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| Eklo Drift Og Vedlikehold AS | Verdal | 2018 |
| Ekman Seger Group AB | Se-231 31 Trelleborg | 2025 |
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| Ekornes QM Holding AS | Ikornnes | 2018 |
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| Ekås AS | Kongsvinger | 2014 |
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| Elaris Elektrotavler AS | Randaberg | 2020 |
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| Elastocon AB Nuf | Se-50730 Brämhult | 2018 |
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| Electronics & Energy Solutions AS | Lierskogen | 2016 |
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| Elektroproduksjon AS | Loddefjord | 1990 |
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| Element Nor AS | Storsteinnes | 2007 |
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| Elementbygg AS | Sunndalsøra | 2025 |
| Elementbygg Og Eiendom AS | Kongshavn | 2020 |
| Elementfabrikken AS | Sunndalsøra | 2021 |
| Elementia AS | Oslo | 2022 |
| Elementpartner AS | Åndalsnes | 2016 |
| Elements AS | Tvedestrand | 2025 |
| Elementsør AS | Søgne | 1998 |
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| Elfuel AS | Etne | 2015 |
| Elfving Holding AS | Moss | 2003 |
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| Elgolin AS | Magnor | 2012 |
| Elgveien Invest AS | Moss | 2015 |
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| Eli Lilly Danmark | Oslo | 2012 |
| Elia Bakeri AS | Stavanger | 2024 |
| Eligent AS | Søgne | 2022 |
| Elin & Terjes Gla`Streker Da | Oslo | 2002 |
| Elin Motoren GmbH | At-8160 Weiz | 2010 |
| Elinor Batteries AS | Trondheim | 2022 |
| Elisabeth Arnstad | Dk-3000 Helsingør | 2011 |
| Elise of Norway Ans | Oslo | 2024 |
| Elite Construction Group AS | Løfallstrand | 1999 |
| Elite Helse Laboratory AS | Oslo | 2016 |
| Elitek AS | Ankenes | 2026 |
| Elje Billingstad AS | Billingstad | 2013 |
| Elke M. GmbH Nuf | 27472 Cuxhaven | 2016 |
| Elkem ASA | Oslo | 1904 |
| Elkem Carbon AS | Kristiansand S | 2006 |
| Elkem Chartering Holding AS | Oslo | 2002 |
| Elkem Holding Inc | Oslo | 1997 |
| Elkem Limited | Oslo | 1997 |
| Elkem Management Inc | Sewickley Pa 15143 | 1997 |
| Elkem Metals Company Limited Partnership | Oslo | 1997 |
| Elkirurgen AS | Vinterbro | 2022 |
| Ellco Etikett Trykk AS | Hagan | 1985 |