1. BASF SE
2. Wacker Chemie AG
3. Evonik Industries AG
4. Kemin Industries Inc.
5. Barentz International BV
6. Eastman Chemical Company
7. Ashland Global Holdings
8. BTSA Biotecnologias Aplicadas S.L.
9. Koninklijke DSM N.V.
10. SEPPIC