| EP | Loire-Atlantique |
| EPF Engineering School | |
| EPHI Informatique Électronique | Meuse |
| Epigene Labs | |
| Episkin | |
| Episoft | Hauts-de-Seine |
| Epistrophe | Yvelines |
| Epitech | |
| EPIXELIC | Val-de-Marne |
| Épopée Gestion | |
| ePro Shopping | |
| EprocFactory | |
| EPSILON Informatique | Morbihan |
| Epsilyon | Métropole de Lyon |
| Epson France | Hauts-de-Seine |
| Epsor | |
| Eptimum | Hauts-de-Seine |
| Equasys | Tarn |
| Equation | Loire |
| Equi-Conseil | Essonne |
| Equinoxes | Aisne |
| Équipages IT Solutions | |
| Equipements Scientifiques S.A. | Hauts-de-Seine |
| Equium | |
| ER Telecom | Seine-et-Marne |
| Eralabs | |
| ERAZ | Rhône |
| Ercogener | Maine-et-Loire |
| ERCOM | Yvelines |
| ERELIA Informatique et Pesage | Essonne |
| Erems | Haute-Garonne |
| Ergoart | |
| Ergole Informatique | Isère |
| ÉRIC France | Hauts-de-Seine |
| Eric Guéguen | Seine-Maritime |
| Eric Solutions Robotiques | |
| Eric Tiogo | |
| Éric Tison | |
| Erica | Alpes-Maritimes |
| Erik von Renner | Bouches-du-Rhône |
| Erka Agency | |
| ERM Électronique | Pas-de-Calais |
| Ermatel | Yvelines |
| Ernesti | |
| ERP TopBox | |
| Erplain | |
| Ersti | Nord |
| ErVaccine | |
| ErVimmune | |
| Erwan Gallen | Ille-et-Vilaine |