| Name | Region |
|---|---|
| Arkance | Seine-Saint-Denis |
| Arkane Studios | |
| Arkema | |
| Arketeam | |
| ARKETEAM IDF | Hauts-de-Seine |
| ArkeUp | Paris |
| Arkha Conseil | Paris |
| ArmadAI | |
| Armadillo S.A.S. | Hauts-de-Seine |
| Armadiyo | Métropole de Lyon |
| Armines | Paris |
| Armis | |
| Armoise | Gard |
| Armstrong | |
| ARMTEK | |
| Arnault Tzanck | |
| Aroban | Vaucluse |
| AROBAS Technologies S.A.S. | Métropole de Lyon |
| Arobase.fr | Haute-Corse |
| Arobases | Métropole de Lyon |
| Arobiz | Pyrénées-Atlantiques |
| Arociel | Sarthe |
| Arone | Paris |
| Arpson | Paris |
| Arsen | |
| ARSoft Automation | Sarthe |
| Arsys Consulting | Paris |
| Art Digital Numérique | |
| Art Info | Isère |
| Art Zone | Nord |
| Artatem | Hauts-de-Seine |
| Artcomedia.net | Côtes-d'Armor |
| Arteacom | Bouches-du-Rhône |
| Artedas France S.A.R.L. | Val-de-Marne |
| Artedrone | |
| Artefact | Paris |
| ARTEFACT Agence web | Corrèze |
| Artefacts Studio | |
| Artelook | Alpes-Maritimes |
| Artelys | Paris |
| Artémis Sécurité | Métropole de Lyon |
| Artenum S.A.R.L. | Paris |
| Artesio | |
| ArtFX | Hérault |
| Arthesis | Rhône |
| Artifakt | |
| Artilect | |
| Artis Facta | Paris |
| Artis'Info | Var |
| Artisan Développeur |