1. Advanced Specialty Gases LLC by Iwatani Corporation of America
2. Air Liquide S.A.
3. Air Products and Chemicals Inc.
4. Alchemie Gases & Chemicals Pvt. Ltd.
5. American Welding & Gas
6. BASF SE
7. Chemix Gases
8. CK Group
9. Coregas Pty Ltd.
10. Exxon Mobil Corporation
11. Gasco
12. GCE Group
13. Gravity Mechanical & Engineering Equipment Trading LLC
14. Heublein Gase UG
15. ILMO Products Company
16. Jiangsu Kaimei Electronic Materials Co. Ltd.
17. Kanto Denka Kogyo Co. Ltd.
18. Linde PLC
19. Maharashtra Gas Co.
20. Merck KGaA
21. MESA Specialty Gases & Equipment
22. MESSER SE & CO. KGAA
23. Nippon Sanso Holdings Corporation
24. Norco Inc.
25. Praxair Technology Inc.
26. Process Sensing Technologies Ltd.
27. Resonac Holdings Corporation
28. Showa Denko K.K.
29. Specgas Inc.
30. SUMITOMO SEIKA CHEMICALS CO.LTD.
31. SUZUKI SHOKAN Co. Ltd.
32. The Dow Chemical Company
33. VICI Metronics
34. Weldstar Company Inc.
35. WestAir Gases & Equipment Inc.
36. Westech Industrial Ltd.