1. BASF SE
2. BP PLC
3. China National Petroleum Corporation
4. CNOOC Limited
5. ENEOS Corporation
6. Exxon Mobil Corporation
7. INEOS
8. Jurong Aromatics Corporation
9. JX Nippon Oil & Energy Corporation
10. Lotte Chemical Corporation
11. Mangalore Refinery & Petrochemicals Ltd
12. Reliance Industries Limited
13. Rongsheng Petrochemical Co. Ltd
14. S-Oil Corporation
15. Sinopec Corporation