| HumanCraft | |
| Humanlinker | |
| Humanoid | |
| Humanperf Software | Nord |
| HumanSourcing | Métropole de Lyon |
| Hummink | |
| Hunteed S.A.S. | |
| HurbinSoftware | Val-de-Marne |
| Husprey | |
| Hutchinson | |
| Huvy | |
| HW Security | |
| Hybride Digital | |
| Hybrigenics S.A. | |
| Hybrigenics Services | |
| Hyltel | Ille-et-Vilaine |
| Hymatom | Hérault |
| Hyper Crunch AI | |
| Hyperline | |
| Hypermaster | Val-de-Marne |
| Hypermed | Hérault |
| HyperPomme-Paris | Paris |
| HyperV | Paris |
| HypnoVR | |
| I L Expansions | |
| i-com interactive | Côte-d'Or |
| I-Cône | Sarthe |
| I-EXPO | Paris |
| i-kn | Aveyron |
| I-P-W | Bouches-du-Rhône |
| i-SEP | |
| I-Tracing S.A.S. | |
| I-VIDEO | |
| I.B.O. S.A.S. | Puy-de-Dôme |
| I.N. Concept | Calvados |
| I.S. Decisions S.A. | Pyrénées-Atlantiques |
| iadeo | Var |
| iAdvize S.A.S. | Loire-Atlantique |
| IAE Bordeaux | Gironde |
| IAE Paris Sorbonne Business School | |
| ib S.A. | Hauts-de-Seine |
| IB-4 | Métropole de Lyon |
| IBAT | |
| IBC Dialog | Calvados |
| iBionext | |
| iBou.fr | Loire |
| IBSA Pharma S.A.S. | |
| IBSF | Val-de-Marne |
| ICAAR | Marne |
| ICAB | Haute-Garonne |