1. Activ Solar GmbH
2. Daqo New Energy Co. Ltd
3. GCL TEchnologies
Co. Ltd
4. GCL-Poly Energy Holdings Limited
5. Hanwha Chemical Co. Ltd
6. Hemlock Semiconductor Corporation
7. Mitsubishi Materials Corporation
8. OCI Company Ltd.
9. Qatar Solar Technologies
10. REC Silicon ASA
11. SunEdison Inc.
12. TBEA Co. Ltd
13. Tokuyama Corporation
14. Wacker Chemie AG
15. Xinte Energy Co. Ltd