1. Asahi Kasei Corporation
2. BASF SE
3. Empower Materials Inc.
4. FUJIFILM Wako Pure Chemical Corporation
5. Huntsman Corporation
6. Liaoning Oxiranchem,Inc
7. Merck KGaA
8. Mitsubishi Chemical Corporation
9. New Japan Chemical Co. Ltd.
10. Oriental Union Chemical Corporation
11. Otto Chemie Pvt Ltd
12. Prasol Chemicals Pvt. Ltd.
13. Shandong Lixing Chemical Co. Ltd
14. Shandong Senjie Chemical Co. Ltd.
15. Thermo Fisher Scientific Inc.
16. Toagosei Co. Ltd.
17. Tokyo Chemical Industry
18. Zhengzhou Meiya Chemical Products Co.Ltd
19. Zibo Donghai Industries Co. Ltd.