1. Akzo Nobel N.V.
2. Alfa Laval AB
3. Cepsa Group
4. Chevron Phillips Chemical Company LLC
5. Deten Quimica S.A.
6. Dow Chemical Company
7. Farabi Petrochemicals Company
8. Honeywell International Inc.
9. Huntsman International LLC
10. Indian Oil Corporation Ltd.
11. ISU Chemical
12. J&K Scientific Ltd.
13. Jintung Petrochemical Corp. Ltd.
14. JX Nippon Oil & Gas Exploration Corporation
15. LyondellBasell Industries Holdings B.V.
16. Merck KGaA
17. PT Unggul Indah Cahaya Tbk
18. QatarEnergy
19. Reliance Industries Limited
20. Rosneft
21. Sasol Limited
22. SIBUR Holding PJSC
23. Thermo Fisher Scientific Inc.
24. Tokyo Chemical Industry Co. Ltd.
25. Univar Solutions Inc.
26. Westlake Corporation