| WAGON AUTOMOTIVE IBERICA | OURENSE |
| WATCH-OUT SANIGESTION GALICIA | OURENSE |
| WATERKOTTE IBERIA | OURENSE |
| WEAR VOCCI TRADING Y COMERCIO INTERNACIONAL ESPAÑA | OURENSE |
| WEIRONGFA | OURENSE |
| WELDMAIN SERVICIOS CALDERERIA, TUBERIA Y SOLDADURA | OURENSE |
| WELKIN TECNOLOGIES | OURENSE |
| WERHAHN INTERNATIONAL | OURENSE |
| WERHAHN INTERNATIONAL SCHIEFER | OURENSE |
|
|
| WIDAP CORPORATION | OURENSE |
| WIEL | OURENSE |
| WIIMBO PRODUCTIONS | OURENSE |
| WIND FOX ENERGIES | OURENSE |
| WINDBLADE WORKS | OURENSE |
| WINDLIGHT TECHNOLOGIES | OURENSE |
| WIRETEC DIAMANT | OURENSE |
| WOCCI VENTURE BUILD SOLUTIONS | OURENSE |
|
|
| WOODOUREN | OURENSE |
| WORLD BEST IMPORT EXPORT | OURENSE |
| WORLD SERVICES PBA | OURENSE |
