1. AkzoNobel N.V.
2. Allnex GmbH by PTTGC International B.V.
3. Arclin Inc.
4. BASF SE
5. Chemisol Italia Srl
6. Eurotecnica Contractors and Engineers S.p.A.
7. Hexion Inc.
8. Hexza Corporation Berhad
9. Ineos AG
10. Merck KGaA
11. Mitsui Chemicals Inc.
12. MPD Chemicals
13. Pacific Texchem Private Limited
14. Prefere Resins Holding GmbH
15. Qatar Melamine Company