| aYaline | Vienne |
| AYDO | |
| Aymax Group | |
| AYRO | |
| Aytek | Loiret |
| AZ Tools | Alpes-Maritimes |
| AZApp | |
| Azdis | Haute-Garonne |
| Azenn | Ille-et-Vilaine |
| Azergo | |
| Azertix | Somme |
| Azimut | Morbihan |
| Azimutec | Haute-Savoie |
| Azko | |
| Azlux | |
| AZNETWORK | Calvados |
| Azur Conseil | Paris |
| Azur Drones S.A.S. | Gironde |
| Azur Soft | Alpes-Maritimes |
| Azurconecpt | Haute-Garonne |
| Azurlog | Alpes-Maritimes |
| Azursoft | Alpes-Maritimes |
| Azygos | Bouches-du-Rhône |
| B&C | Bouches-du-Rhône |
| B-APPLI | Isère |
| b-com | Ille-et-Vilaine |
| B2CLOUD | |
| B2DIGIT | |
| B3A - Création de site internet e-commerce | Drôme |
| B4F | Isère |
| BaaO | Paris |
| Bâbord Amures | Morbihan |
| Back Market | |
| Back Market | |
| Backedge Multimedia | Gers |
| Badsender | Aude |
| Bakhtech | |
| Balistik | Eure-et-Loir |
| Balmes Transplantation | |
| BAM | |
| Bank of India France | |
| Bankin | Paris |
| Bankin' | Paris |
| Banque Banorient France | |
| Banque BIA | |
| Banque de France | |
| Banque Hottinguer | |
| Banque Palatine | |
| Banque Populaire | |
| Banque Richelieu | |