| Etic Telecommunications | Isère |
| Etienne Côme | |
| ETN | |
| EtOH | |
| Étoile Dièse | Haute-Garonne |
| ETP Data Systems | |
| Etronics | Yvelines |
| Ets Leray S.A.S. | Eure-et-Loir |
| ETSI | Alpes-Maritimes |
| Étude et Conseil en Techniques Informatiques Avancées | Loire-Atlantique |
| Études GAMMA | Paris |
| Eugen Systems | Paris |
| Eukarys | |
| Eulerian | Paris |
| Eumetrys | |
| Euodia Finance | |
| Euralliance's | Haute-Vienne |
| EuraTechnologies | Nord |
| Eurazeo | |
| Eurecom | |
| Eureka Bureautique | |
| Eureka Education | |
| Eureka Informatique | Vosges |
| Eurêka Solutions | Haut-Rhin |
| EUREKA Systèmes | Paris |
| Eureka Technology S.A.S. | |
| Eurekam | |
| eureKARE | |
| Eurelis S.A.S. | Hauts-de-Seine |
| Euresto | Pyrénées-Orientales |
| Eurienta | Indre-et-Loire |
| Eurinco | Métropole de Lyon |
| Euris | Hauts-de-Seine |
| Euro - Automation S.A.R.L. | |
| EURO 10 S.A.S. | Bouches-du-Rhône |
| EURO CRM | Hauts-de-Seine |
| Euro Radio System | Rhône |
| Euro Tech Conseil S.A.R.L. | |
| Euro Tech Conseil S.A.R.L. | |
| Euro-Reseau | Hérault |
| Eurobio | |
| Eurobio Scientific | |
| Eurobios | Val-de-Marne |
| Eurobraille S.A.S. | Val-de-Marne |
| EuroCloud France | Paris |
| Euroconsult | |
| Eurodis | Métropole de Lyon |
| Euroedi | Gironde |
| Euroinfo | Gironde |
| Eurolink | Haute-Savoie |