1. AECOCHEM
2. Ataman Chemistry
3. Banner Chemicals Limited
4. Carl Roth GmbH + Co. KG
5. Eastman Chemical Company
6. Global Bio-chem Technology Group Company Limited
7. Henan GP Chemicals Co.Ltd.
8. Henan Haofei Chemical Co.Ltd.
9. INEOS AG
10. KH Chemicals BV
11. LyondellBasell Industries N.V.
12. Manali Petrochemicals Limited
13. Merck KGaA
14. Monument Chemical
15. Sasol Limited
16. Shell PLC
17. The Dow Chemical Company
18. Zhonglan Industry Co. Ltd.