1. Airgas Inc.
2. Allied Healthcare Products Inc.
3. AMS Composite Cylinders
4. Caire Inc.
5. Catalina Cylinders
6. GCE Group AB
7. Inogen Inc.
8. Invacare Corporation
9. Koninklijke Philips N.V.
10. Linde PLC
11. Luxfer Gas Cylinders
12. Narang Medical Limited
13. OrientMEd International
14. OxyGo
LLC
15. WEINMANN Emergency Medical Technology GmbH + Co. KG