| Aglaé Ventures | |
| AGM Informatique | Loire-Atlantique |
| AGOM | Essonne |
| AGORA Informatique | Alpes-Maritimes |
| Agora Plus | |
| Agora Pulse | Paris |
| Agora Software | |
| Agoranet | Haute-Garonne |
| Agoranov | Paris |
| Agorapulse | |
| Agorize | Paris |
| Agotherm | |
| AGP France Service | Seine-Maritime |
| Agri4d | Aude |
| Agricool | Seine-Saint-Denis |
| Agritel | |
| Agro Edi Europe | |
| AGS Backup | Hérault |
| AGS Soft Business Solutions S.A.S. | Paris |
| Agt-Systemes | Seine-Maritime |
| AGUILA Technologies | |
| Agx Informatique | Haute-Garonne |
| Agyla.Cloud | |
| Agylis Groupe | Hauts-de-Seine |
| Agysoft | Hérault |
| AI France | |
| AI Verse | |
| Ai-Biopharma S.A.S. | Hérault |
| AI-Stroke | |
| AI-vidence | |
| AID | Paris |
| Aid Micro | Gironde |
| AID Tech | Moselle |
| Aide-Joomla | Paris |
| AIde-Ordinateur | Paris |
| AIDEC Informatique | Calvados |
| Aidel | Isère |
| Aides-informatique | Deux-Sèvres |
| Aigon France | Paris |
| Ailair S.A.S. | Isère |
| AILP Informatique | Loire-Atlantique |
| AIM, Applications industrielles des microprocesseurs | Isère |
| AIM45 | |
| AIMAIRA | |
| Ainsite.net | Ain |
| AIOinformatique | Puy-de-Dôme |
| Aiphone S.A.S. | Essonne |
| Air marine | |
| Air-Systems | Haute-Garonne |
| Air2Networks | Vaucluse |