| BIOCROSS | VALLADOLID |
| BIODATA DEVICES | VALLADOLID |
| BIODUERO | VALLADOLID |
| BIODUERO NATURAL | VALLADOLID |
| BIOENERGIAS DE CYL | VALLADOLID |
| BIOENERGY STRATEGIES | VALLADOLID |
| BIOFARMA XXI | VALLADOLID |
| BIOFAZ ECO | VALLADOLID |
| BIOFIBRA | VALLADOLID |
|
|
| BIOFORMED AESTHETICS | VALLADOLID |
| BIOGAS GUIJUELO | VALLADOLID |
| BIOGAS LA BAÑEZA | VALLADOLID |
| BIOGAS MEDINA DEL CAMPO | VALLADOLID |
| BIOGAS VILLANUBLA | VALLADOLID |
| BIOGENEX HISPANICA | VALLADOLID |
| BIOGES. ENERGIA ECOLOGICA | VALLADOLID |
| BIOHEMO 2000 KX | VALLADOLID |
|
|
| BIOKLIMP PRODUCTOS QUIMICOS | VALLADOLID |
| BIOMARKET CYL | VALLADOLID |
| BIOMASA AVILA | VALLADOLID |
