1. Airedale Chemical Company Limited
2. Altair Chimica S.p.A.
3. American Elements
4. Armand Products by Church & Dwight Co. Inc.
5. Ashta Chemicals Inc. by INEOS AG
6. Cheng Du Chemicals Co. Ltd.
7. ERCO Worldwide
8. Ercros SA
9. Gujarat Alkalies and Chemicals Ltd.
10. Haifa Chemicals
Ltd.
11. Innoas Chemical Co. Ltd.
12. Occidental Petroleum Corporation
13. Olin Corporation
14. UNID Global Corporation
15. Vynova Group