1. Alban Muller International
2. Alpha Chemika
3. Alta Laboratories Ltd.
4. Avonchem Ltd.
5. BariteWorld by Rockleigh Industries Inc.
6. Central Drug House (P) Ltd.
7. ChemQuest International Inc.
8. Emco Dyestuff Pvt Ltd.
9. Haihang Industry Co. Ltd.
10. Hebei Jingye Group
11. Indenta Chemicals (India) Pvt. Ltd.
12. Larachem Inc.
13. Merck KGaA
14. Midas Pharma GmbH.
15. Otto Chemie Pvt. Ltd.
16. R P Chemicals
17. Reagents
18. SEQENS
19. Siddharth Carbochem Products Ltd.
20. SimSon Pharma Limited
21. Spectrum Chemical Mfg. Corp.
22. Thermo Fisher Scientific Inc.
23. Vigon International
LLC.
24. Zhenjiang Gaopeng Pharmaceutical Co,.Ltd.