1. BASF SE
2. Celanese Corporation
3. Chevron Phillips Chemical Company LLC
4. Eastern Petroleum Corporation
5. Eni S.p.A.
6. Enviro Tech International Inc.
7. Eroma Petrochemicals Pvt. Ltd.
8. Gadiv Petrochemical Industries Ltd.
9. Gandhar Oil
10. Ganga Rasayanie Private Limited
11. HCS Group GmbH
12. Honeywell International Inc.
13. Neste Oyj
14. RB Products Inc.
15. Royal Dutch Shell PLC
16. TotalEnergies SE