1. Abcam PLC
2. Avantor Inc.
3. Bio-Rad Laboratories Inc.
4. Biosynth Ltd.
5. BOC Sciences
6. Cayman Chemical Company
7. Discovery Fine Chemicals Ltd.
8. Glentham Life Sciences Limited
9. Merck KGaA
10. Pharmachem Research & Development Laboratories
11. Pharmaffiliates
12. Sisco Research Laboratories Pvt. Ltd.
13. Spectrum Chemical Mfg. Corp.
14. Thermo Fisher Scientific
15. VitaScientific