| BASCULANTES CASTILLA | VALLADOLID |
| BASCULANTES RUEDA | VALLADOLID |
| BASCULAS AMANCIO SANZ | VALLADOLID |
| BASE MARCOS MARTIN CONSTRUCCION | VALLADOLID |
| BASETRES. INSTALACIONES | VALLADOLID |
| BASICO HOME DETAILS | VALLADOLID |
| BASMAD INDUSTRIAS DE LA MADERA | VALLADOLID |
| BASMAE PROMOCIONES | VALLADOLID |
| BASSE TERRE SOLAR | VALLADOLID |
|
|
| BASSEIN SOLAR | VALLADOLID |
| BATIMENT UNION MATERIALS | VALLADOLID |
| BATTGET TECHNOLOGIES | VALLADOLID |
| BATTU GLOBAL DESIGN | VALLADOLID |
| BAU UND BODEN | VALLADOLID |
| BAUCENTRO MEDINA | VALLADOLID |
| BAUGESTION 3 | VALLADOLID |
| BAURBA 3 | VALLADOLID |
|
|
| BAUSELA GESTION | VALLADOLID |
| BAUSTELLE DUERO | VALLADOLID |
| BAY NAMRATA | VALLADOLID |
