1. Allied Healthcare Products Inc.
2. Amcaremed Technology Co. Limited
3. Amico Group of Companies
4. ARAS Group of Companies
5. Atlas Copco Group
6. Avante Health Solutions
7. Digiline Systems Private Limited
8. Ellenbarrie industrial Gases
9. GCE Group AB
10. GE Healthcare
11. Genstar Technologies Co Inc.
12. Greggersen Gasetechnik GmbH
13. Honeywell International Inc.
14. ILMO Products Company
15. Koninklijke Philips N.V.
16. Linde PLC
17. MagGas Medical Inc.
18. MEC Medical Ltd.
19. Nippon Sanso Holdings Corporation
20. Ohio Medical LLC
21. Pattons Medical
22. Powerex
23. Rotarex S.A.
24. Sch?nn Medizintechnik GmbH
25. Silbermann Medical Gas Systems
26. SOL Group
27. Yueyang kameter electronic special rare gas co. LTD.