| Eurolocation Informatique | Paris |
| Euromaintenance | Essonne |
| Euromedia | Seine-et-Marne |
| EUROMERSIVE | |
| Euronews | |
| Europ Computer Performance | Seine-Saint-Denis |
| EuroPc | Meuse |
| European Association of Remote Sensing Laboratories | |
| European Council of Academies of Applied Sciences, Technologies and Engineering | Paris |
| European Genomic Institute for Diabetes | |
| European International University | Paris |
| European Photonics Industry Consortium | Paris |
| European Research Consortium for Informatics and Mathematics | Alpes-Maritimes |
| European Smalltalk User Group | Paris |
| European Society for Mathematics and the Arts | Paris |
| European Space Agency | Paris |
| European Startup Prize | |
| European Systems Integration | Alpes-Maritimes |
| Européenne de communication et de service | Haut-Rhin |
| Européenne de Télécom | Alpes-Maritimes |
| Européenne Multi Services Informatiques | Essonne |
| Europgroup Consulting | |
| Europropulsion | |
| Eurosanté | |
| Eurosatory | |
| Eurosoft Plus | Moselle |
| Eurospace | |
| Eurostudio | Val-de-Marne |
| Eurotech Consulting | Paris |
| Eutech SSII | Aube |
| Eutelsat Communications S.A. | Paris |
| EV Corporate | |
| Evarist | Somme |
| Evasoft | Var |
| EVE System | Rhône |
| Eveler | |
| Eventdrive | |
| Eventmaker | |
| eVenue Pro | |
| Ever Trust S.A.S. | |
| Ever.li S.A.S. | |
| Everdata | |
| Everial | Métropole de Lyon |
| EverImmune | |
| EverReady | |
| Eversend | |
| Everwin | Essonne |
| EVerZom | |
| Eveside | |
| Evexta Bio | |