| Implanet | |
| Implex S.A.S.U. | Métropole de Lyon |
| Implicity | |
| ImpriFrance | |
| Improba | |
| ImprovMX.com | |
| Impulse Partners | |
| IMS Networks | Tarn |
| IMS ON LINE | Ain |
| IMT Atlantique | Finistère |
| IMT Lille Douai | Nord |
| IMT Mines Albi-Armaux | |
| IMT Mines Alès | |
| IMT Nord Europe | |
| IMT Starter | |
| ImVitro | |
| In Extenso | |
| IN Normandy | Seine-Maritime |
| In'Com | Gironde |
| In-Cell-Art | |
| IN-CORE systèmes | Métropole de Lyon |
| In-Out Installation | Pyrénées-Atlantiques |
| In-Sphere | |
| Inalve | |
| Inasoft | |
| Inatherys | |
| Inato | |
| Inbolt | |
| Incalia | |
| Incenteev | |
| Inch | |
| Incite Formation Cergy-Pontoise | Val-d'Oise |
| INCO | |
| Incomm | |
| IncubAlliance Paris-Saclay | |
| Incubateur Belle de Mai | Bouches-du-Rhône |
| Incubateur Inter-Universitaire Impulse | |
| Incubateur Lorrain | |
| Incubateur Manufactory | Métropole de Lyon |
| Incubateur PACA Est | Alpes-Maritimes |
| Incubateur Provence-Côte d'Azur | |
| Incubateur Télécom Paris | |
| INCWO | Paris |
| Incwo | |
| Incyber News | |
| Indataz | Alpes-Maritimes |
| Indeks | |
| Index Education | Bouches-du-Rhône |
| Index Languedoc Développement | Gard |
| Indexel | Paris |