1. K+S KALI GmbH
2. Tessenderlo Group
3. Compass Minerals International Inc.
4. SQM S.A.
5. Yara International ASA
6. Sesoda Corporation
7. Egyptian Chemical Fertilizers Co.
8. Ram Shree Chemicals
9. Gujarat Agri-Chem Industries Private Limited
10. AG CHEMI GROUP s.r.o.