1. Advanced Specialty Gases
2. Air Liquide S.A.
3. Gas Innovations Inc.
4. Gujarat Fluorochemicals Ltd
5. Kerry Group Plc
6. Metadynea Metafrax Group
7. Niacet Corporation
8. Purityplus Specialty Gases
9. Shandong Weitai Fine Chemical Co. Ltd
10. Shandong Yanhe Chemical Co. Ltd.
11. Sumitomo Seika Chemicals Co. Ltd
12. The Linde Group
13. Versum Materials Inc.
14. Zhejiang Britech Co. Ltd.