1. Asian Chemical Company Limited
2. BASF SE
3. Chemifloc Ltd.
4. Feralco AB
5. KEM ONE
6. Kemira Oyj
7. Malay-Sino Chemicals Industries Sdn Bhd
8. ProChem Inc.
9. PVS Chemicals
10. Reagents
11. Saf Sulphur Company
12. Seqens Group
13. Sidra Wassercheime GmbH
14. Sukha Chemical Industries
15. Tessenderlo Group NV