?- ADEKA CORPORATION
- Baerlocher GmbH
- BASF SE
- Clariant
- Dow
- Emerald Performance Materials
- Evonik Industries AG
- Exxon Mobil Corporation
- KANEKA CORPORATION
- LANXESS
- Mitsui & Co. Plastics Ltd.
- Nouryon
- SABO S.p.A.
- SONGWON