1. 3V Sigma S.p.A.
2. Adeka Corporation
3. Arkema
4. BASF SE
5. Chitec Technology Co. Ltd.
6. Clariant International Ltd.
7. Double Bond Chemical Ind. Co. Ltd.
8. Everlight Chemical Industrial Corporation
9. Everspring Chemical Co. Ltd.
10. Greenchemicals S.r.l.
11. Mayzo Inc.
12. MPI Chemie B.V.
13. Rianlon Corporation
14. SI Group Inc.
15. Solvay