1. Alpek S.A.B. de C.V.
2. Avient Corporation
3. Far Eastern New Century Corporation
4. Indorama Resources Ltd.
5. JBF Industries Ltd.
6. LANXESS Deutschland GmbH
7. Lotte Chemical Corporation
8. LyondellBasell Industries Holdings B.V.
9. Nan Ya Plastics Corporation
10. OCTAL Holding SAOC
11. Reliance Industries Limited
12. RTP Company
13. Saudi Basic Industries Corporation
14. Teijin Ltd.
15. Toyobo Co. Ltd