ISOLAR® Partners
| Company | Contact partner | Street | Location |
| Vitro Chaves (Portugal) | Contact partner | Lugar Vale Trioeiro Zona Industial |
 21030-111 Benavente |
| Vitro Chaves (Portugal) | Contact partner | E.N. 2 - Zona Industrial Bobêda |
5400-510 Chaves (Vila-Real) |