1. Advanced Micro Instruments Inc.
2. Air Liquide SA
3. AMCS Corporation
4. Beijing Peking University Pioneer Technology Co. Ltd.
5. Chart Industries Inc.
6. Enerflex Ltd.
7. Gardner Cryogenics
8. Generon LLC
9. Gulf Process Gases
LLC
10. Honeywell International Inc.
11. International Industrial Gases Ltd.
12. Jinhong Gas Co. Ltd.
13. KaiFeng Air Separation Group Co. Ltd.
14. Linde PLC
15. Matheson Tri-Gas Inc.
16. Messer Group GmbH
17. Oxyplants India Private Limited
18. PCI Gases
19. Perry Videx LLC
20. Praxair Inc.
21. RIX Industries
22. SIAD S.p.A.
23. Siemens AG
24. Taiyo Nippon Sanso Corporation
25. Universal Industrial Gases Inc.