ARLANXEO Holding B.V. Asahi Kasei Corporation
Dynasol Group
Exxon Mobil Corporation
Firestone Tire and Rubber Company
Goodyear Tire and Rubber Company
JSR Corporation
Kraton Corp. Kumho Petrochemical Co. Ltd. LCY Group
LG Chem Ltd. Lion Elastomers LLC
Michelin Tyre Public Limited Company
Nizhnekamskneftekhim
PetroChina Company Limited
Reliance Industries Limited)
Sibur Holding PAO
China Petroleum & Chemical Corporation (Sinopec)
Synthos S.A. Trinseo S.A. TSRC Corporation
Versalis S.p.A. Zeon Corporation