1. Aalborg CSP A/S
2. Abengoa S.A.
3. Acciona SA
4. ACWA Power International
5. Areva S.A.
6. Chiyoda Corporation
7. Enel SPA
8. Ibereolica Group
9. Rackam
10. SCHOTT Solar AG
11. Siemens AG
12. Solar Millennium AG
13. Soltigua S.r.l.
14. Sopogy Inc.
15. TSK Electr?nica Y Electricidad
SA