1. Aekyung Chemical
2. Alpha Chemika
3. Chengdu Jinkai Biology Engineering Co. Ltd.
4. FUJIFILM Corporation
5. FUSO CHEMICAL CO. LTD.
6. Henan Haofei Chemical Co.Ltd.
7. Itaconix Corporation
8. Mays Chemical Company Inc.
9. Merck KGaA
10. Qingdao Kehai Biochemistry Co. LTD.
11. Ronas Chemicals Ind. Co. Ltd.
12. Spectrum Chemical Mfg. Corp.
13. Thermo Fisher Scientific Inc.
14. Ultimate Chem India Pvt. Ltd
15. Zhejiang Guoguang Biochemistry Co.Ltd.