1. American Elements
2. Bisley International LLC
3. Chongqing Chuandong Chemical (Group) Co. Ltd.
4. Command Chemical Corporation
5. Feicheng Acid Chemical Co. Ltd.
6. Gelest Inc.
7. Geo Specialty Chemical Inc.
8. Hangzhou Focus Chemical Co. Ltd.
9. Henan Botai Chemical Building Material Co. Ltd.
10. Hubei Hengxin Chemical Co. Ltd.
11. Jiangsu Ruiyang Chemical Co. Ltd.
12. Jiangxi Kosin Organic Chemical Co. Ltd.
13. Lanxess AG
14. Shandong Baoyuan Chemical Co. Ltd.
15. Sidley Chemical Co. Ltd.
16. TAVCO Chemicals Inc.
17. torp AB
18. U.S. Chemicals LLC
19. Zibo Ruibao Chemical Co. Ltd.
20. Zouping Fenlian Chemical Co. Ltd.