| Name | Type | Sector | Country | Joined On |
|---|---|---|---|---|
| ORIA Servicios, Construccion e Interiorismo S.L. | Small or Medium-sized Enterprise | Construction | Spain | 27-Jul-2009 |
| Sacyr, S.A. | Company | Construction | Spain | 14-Dec-2007 |
| Fomento de Construcciones y Contratas, S.A. | Company | Construction | Spain | 07-May-2007 |
| ACCIONA | Company | Construction | Spain | 11-Oct-2005 |
| FCC Construccion, S.A | Company | Construction | Spain | 23-Mar-2005 |
| Ferrovial S.A. | Company | Construction | Spain | 03-Jul-2002 |