1. Air Liquide S.A.
2. Air Products and Chemicals Inc.
3. AMCS Corporation
4. Comi Polaris Systems
5. Cryotec Anlagenbau GmbH by Nikkiso Clean Energy & Industrial Gases Group
6. Hangzhou Azbel Technology Co. Ltd.
7. Hangzhou Fortune Gas Cryogenic Group Co. Ltd.
8. Hangzhou Nuzhuo Technology Co. Ltd.
9. HangZhou Oxygen Plant Group Co. Ltd,
10. ING. L. & A. Boschi Italy
11. INOX-Air Products Inc.
12. Jilin Hangairsep Co. Ltd.
13. Kaifeng Air Separation Group Co. Ltd.
14. Linde PLC
15. Messer SE & CO. KGaA
16. Nikkiso Co. Ltd.
17. Novair Group
18. Perry Videx LLC
19. Ranch Cryogenics Inc.
20. SIAD Macchine Impianti S.p.A.
21. Sichuan Air Separation Plant Group
22. Suzhou Oxygen Plant Co. Ltd.
23. Taiyo Nippon Sanso Corporation
24. Technex Group
25. Universal Industrial Gases Inc.
26. Universal Ing. La. Boschi Plants Pvt. Ltd.
27. Wobo Industrial Group Corp.
28. Yingde Gases Group Company Limited
29. Zhejiang Yuanda Air Separation Equipment Co. Ltd.