| B2E (Bretagne Éco-Entreprises) / Village Innovation |
| BAEKELITE |
| BAMO Mesures |
| BAYARD BY TALIS |
| BC CABLAGE |
| BENE INOX |
| BERMAD France |
| BERNASCONI / Les Canalisateurs |
| BHD ENVIRONNEMENT |
| BIO-UV GROUP |
| BIOROCK |
| BIOROTOR |
| BIOTRADE |
| BIRCO France SAS |
| BIRDZ |
| BLARD / Village Béton |
| BLUETECH DISTRIBUTI |
| BONNA SABLA / MPB |
| BORGER |
| BREMAUD AES |
| BRGM |
| BURKERT |
| BUSINESS GEOGRAFIC |
