1. BASF AG
2. CLARIANT
3. DOWDUPONT INC.
4. J.M. HUBER CORPORATION
5. LANXESS
6. NABALTEC AG
7. ISRAEL CHEMICALS
8. NIPPON CARBIDE INDUSTRIES CO. INC.
9. SUMITOMO CHEMICAL CO. LTD.
10. THOR
11. DAIHACHI CHEMICAL INDUSTRY CO. LTD.