| Name | Type | Sector | Country | Joined On |
|---|---|---|---|---|
| Asociación de Directivos de Comunicacion (Dircom) | NGO Local | Not Applicable | Spain | 24-Feb-2004 |
| Grupo OHLA | Company | Construction & Materials | Spain | 17-Feb-2004 |
| LACERA Servicios y Mantenimiento, S.A. | Company | Industrial Support Services | Spain | 03-Feb-2004 |
| ANTOLIN | Company | Automobiles & Parts | Spain | 27-Jan-2004 |
| AECA | Business Association Local | Not Applicable | Spain | 28-Nov-2003 |
| Enagas | Company | Gas, Water & Multiutilities | Spain | 17-Nov-2003 |
| ITP Aero | Company | Aerospace & Defense | Spain | 11-Jul-2003 |
| Fundació ESADE | Academic | Not Applicable | Spain | 21-May-2003 |
| Fundacion Adecco | Foundation | Not Applicable | Spain | 21-May-2003 |
| Fundacion Ecologia y Desarrollo – ECODES | Foundation | Not Applicable | Spain | 21-May-2003 |
| Fundación EOI, F.S.P. - Escuela de Organización Industrial | Academic | Not Applicable | Spain | 21-May-2003 |
| IESE, Universidad de Navarra | Academic | Not Applicable | Spain | 21-May-2003 |