| Name | Type | Country |
|---|---|---|
| EBI Efficient Facilities | Enterprise | Spain |
| École Polytechnique Fédérale de Lausanne | University | Switzerland |
| Ecolution Integrated Renewable Technologies | Enterprise | United Kingdom |
| EDEX - EDUCATIONAL EXCELLENCE CORPORATION LIMITED | University | |
| Elektro Ljubljana | Enterprise | Slovenia |
| ELEKTRONSKO TRGOVANJE BELIT DOO | Research group | Serbia |
| Elhuyar | Enterprise | Spain |
| Ellinogermaniki Agogi | Educational organization | Greece |
| Emaus Fundacion Social | Foundation | Spain |
| Emerging Advanced Technologies | Enterprise | Spain |