| Integraphone | |
| Integrated Structural Biology Grenoble | |
| INTELLI | Gironde |
| Intellicom S.A.S. | Paris |
| Intellimind | Paris |
| Intempora | Hauts-de-Seine |
| Intent Technologies S.A.S. | |
| InterAct Software | |
| Interactiv' Technologies | Métropole de Lyon |
| Interactive Studio | |
| Intercloud S.A.S. | |
| INTERCOM Technologies | |
| Interconsult | Bouches-du-Rhône |
| Interdata | Essonne |
| Interface Concept | Finistère |
| Interface Republic | |
| InterFaces | Paris |
| Interhaptics | |
| InterMac | Nord |
| International Association of Universities | Paris |
| International Boost | Paris |
| International Energy Agency | |
| International Federation of Nurses Anesthetists | |
| International School of Management | Paris |
| International Science Council | |
| International Software Development | |
| International Space University | Bas-Rhin |
| International Union of Biological Sciences | |
| Internet Bordeaux | Gironde |
| Internet Conception | Métropole de Lyon |
| Internet Consult | Pyrénées-Orientales |
| Internet Dordogne | Dordogne |
| Internet Dynamique | Deux-Sèvres |
| Internet Sans Crainte | Paris |
| Internet Society France | Paris |
| Internet-creation-sites.com | Dordogne |
| Internet-Formation | Vienne |
| Internet-Hebergeur.com | Val-de-Marne |
| Internethic | Bouches-du-Rhône |
| Interop | |
| interPhacePro | Alpes-de-Haute-Provence |
| Interreg Europe | |
| Intersa | |
| Intersec Group | Hauts-de-Seine |
| Intersel | Paris |
| Interstellar Lab | |
| InterStem | Corse-du-Sud |
| Interstices.info | Yvelines |
| Interstis | |
| Intersystèmes | Val-d'Oise |