| Name | Region |
|---|---|
| Blobr S.A.S | Paris |
| Blockchain Conseil | Yvelines |
| Blockchain France | Paris |
| BlockchainyourIP | |
| Bloomin | |
| Bloomsters | |
| BLQ Software | Nord |
| Blue Agency | Paris |
| Blue Factory ESCP | |
| Blue Note Systems | Bas-Rhin |
| Blue Ouest | Finistère |
| Blue S.A.S. | Ille-et-Vilaine |
| Blue Search | Paris |
| Blue-Screen | Métropole de Lyon |
| Bluecoders | |
| Bluecom | Finistère |
| Blueway Software | Métropole de Lyon |
| BlueXML | Loire-Atlantique |
| BluTech | |
| BM Services | Lozère |
| Bmax | |
| BMIA | |
| BMP Gestion | Savoie |
| BMS | Indre-et-Loire |
| BMSystems | |
| BNP Paribas | |
| Board of Cyber | |
| Boceto | |
| Bodyguard.ai | |
| Boldcode | |
| BOLK | |
| Bolloré Logistics | |
| Boni Difusion | Haute-Garonne |
| Bonitasoft S.A. | Isère |
| bonWeb.com | Hérault |
| BookMyName.com | Paris |
| Boole & Partners | Seine-et-Marne |
| BOOST | |
| Boost Digital | |
| BOOSTEK | |
| Bordeaux INP | Gironde |
| Bordeaux Technowest | Gironde |
| Borderless Ventures | |
| Boston Storage | Paris |
| BOTdesign | |
| Botify | Paris |
| Botnation AI | Paris |
| Boursorama Banque | |
| BoutikOne | Paris |
| Bouygues Telecom | Paris |