?- Avient Corporation
- Dow
- DIC CORPORATION
- Emery Oleochemicals
- Evonik Industries AG
- Hebei Jingu Plasticizer Co. Ltd
- Jiangxi East Huge Dragon Chemical Co. Ltd
- Jungbunzlauer Suisse AG
- LANXESS
- Matrica SpA
- OXEA GmbH
- PolyOne Corporation
- Roquette Freres
- Solvay