1. AkzoNobel NV
2. Alder SpA
3. Allnex GMBH by PTT Global Chemical
4. Arclin Inc.
5. Capital Resin Corporation
6. Celanese Corporation
7. Chemisol Italia srl
8. CJ Chemicals
9. Hexion Inc.
10. Hexza Corporation Berhad
11. Melamine kemicna tovarna dd Kocevje
12. Merck KGaA
13. Pacific Texchem Private Limited
14. Prefere Resins Holding GmbH
15. Thermo Fisher Scientific Inc.