1. Aldon Corporation
2. AlzChem Group AG
3. American Elements
4. APH Regency Power Group
5. Carbide Industries LLC
6. DCM Shriram Ltd.
7. Denka Company Limited
8. Inner Mongolia Baiyanhu Chemical Co. Ltd.
9. KC Group
10. Lonza Group AG
11. MCB Industries Sdn. Bhd.
12. Mil-Spec Industries Corp.
13. Praxair Inc.
14. PT Emdeki Utama Tbk
15. SA Calcium Carbide (Pty) Ltd.
16. Xiahuayuan Xuguang Chemical Co. Ltd.