1. Alfa Chemistry
2. Allan Chemical Corporation
3. Banner Chemicals Ltd.
4. Biesterfeld AG
5. Biosynth
6. Celanese Corporation
7. ChemCeed LLC
8. HallStar Co.
9. Henan GP Chemicals Co.Ltd
10. Merck KGaA
11. Nayakem
12. Parchem Fine & Specialty Chemicals
13. Polynt SpA
14. Shandong Yuanli Science & Technology Co. Ltd.
15. The Good Scents Company
16. TOKYO CHEMICAL INDUSTRY CO. LTD.
17. Wego Chemical Group