| Name | Region |
|---|---|
| Active Audio | |
| Active+ Software S.A.R.L. | Pyrénées-Orientales |
| Activeo | Hauts-de-Seine |
| ActiveTrail | Hauts-de-Seine |
| Activeweb.fr | Yvelines |
| Activimmo | Charente |
| Activium-ID | Hauts-de-Seine |
| Activmedia | Alpes-Maritimes |
| Activmotion | |
| Activops | |
| ActiVpart | Bouches-du-Rhône |
| ACTN | |
| ACTOAT | |
| Actronika S.A.S. | |
| Actua Technologie | Haute-Garonne |
| ActuaAI | |
| Actual Systemes S.A.S. | Gironde |
| Actualis | Alpes-Maritimes |
| Actualnet | Nord |
| Actulligence Consulting | Tarn-et-Garonne |
| AD Micro | |
| ad Science S.A.R.L. | Paris |
| Ad's up | |
| Ad4Screen | Paris |
| Ada Tech School | |
| Adagio | Paris |
| Adalid | Paris |
| Adalog | Hauts-de-Seine |
| Adaltas | Val-de-Marne |
| Adamah Hebergement | Isère |
| ADAN | |
| Adapt Informatique | Hérault |
| Adaptel | |
| Adaptherapy S.A.S. | |
| Adaptyv S.A.R.L. | Yvelines |
| ADBI | |
| ADC-Soft | Hauts-de-Seine |
| ADCIS S.A. | Calvados |
| AdCreative.ai | |
| Add&boost | Paris |
| Add-up | Paris |
| Addis.fr | Val-de-Marne |
| Addistronic | Seine-et-Marne |
| AddWorking | |
| Adealis-Ami Conseils | Paris |
| Adebeo | Paris |
| Adelanto | |
| Adelie | Paris |
| Adélie | |
| Adella | Aude |