1. Ajinomoto Co. Inc.
2. AMINO GmbH
3. Bachem Group
4. Ebrator Biochemiclas
5. Evonik Industries AG
6. Fufeng Group Company Limited
7. Haihang Industry Co.Ltd
8. Hefei TNJ Chemical Industry Co. Ltd.
9. IRIS BIOTECH GMBH
10. Merck KGaA
11. Ningxia Eppen Biotech Co. Ltd.
12. Otto Chemie Pvt. Ltd.
13. Reagents
14. Sichuan Tongsheng Amino acid Co. Ltd.
15. SUVIDHINATH LABORATORIES
16. Tokyo Chemical Industry Co. Ltd.