| Name | Region |
|---|---|
| Harfang 3D | |
| HarfangLab | |
| Harington Tech. | |
| Haris Interactive | |
| Harmony Hosting | Val-de-Marne |
| Hasgard | Métropole de Lyon |
| Hatemis | Nord |
| HawAI.tech | |
| HawkCell S.A.S. | |
| haXe | Gironde |
| HCVC | |
| HDClic | Paris |
| Headline | Paris |
| Heallo | |
| Healshape | |
| HealthTech For Care | |
| Heaven | Paris |
| Hébergement-Solutions.com | Gard |
| Hébergeur.net | Paris |
| Hébi S.A.S. | Haute-Savoie |
| HEC Paris | Paris |
| Heex Technologies | |
| Heex Technologies | |
| Heka.ai | |
| Helexia | |
| Héliantis S.A. | Pyrénées-Atlantiques |
| Heliop | Paris |
| Hélioparc Technopole | |
| HelioRec | |
| Helios S.A.S. | |
| Helioservice | |
| Helix Multimedia | Maine-et-Loire |
| Helixee | |
| Hello Code | Loire |
| Hello Pomelo | |
| Hello Tomorrow | Paris |
| HelloAsso | Gironde |
| HelloMyBot | |
| HelloSafe | |
| Help Informatique 43 | Haute-Loire |
| Helpline | Hauts-de-Seine |
| Helptec | Nord |
| HEMERA Consulting | |
| Hemerion | |
| Hephaistos Pharma | |
| Hepsilon | Savoie |
| Hepta Medical | |
| Hera-MI | |
| Herakles | Morbihan |
| HerculPro | Loire-Atlantique |