1. AMS Composite Cylinders
2. BayoTech Inc.
3. BNH Gas Tanks
4. Chart Industries Inc.
5. Compagnie Plastic Omnium SE
6. Doosan Group
7. Everest Kanto Cylinder Ltd.
8. Hbank Technologies Inc.
9. Hexagon Purus ASA
10. INOX India Ltd.
11. Linde PLC
12. Luxfer Group
13. L’AIR LIQUIDE S.A.
14. Mahytec by HENSOLDT AG
15. McDermott International
Ltd.
16. McPhy Energy S.A.
17. Msn B.V.
18. NPROXX B.V.
19. Pragma Industries SAS
20. Quantum Fuel Systems LLC
21. Shijiazhuang Enric Gas Equipment Co. Ltd.
22. Steelhead Composites Inc.
23. Taian Strength Equipments Co. Ltd.
24. Tenaris S.A.
25. Umoe Advanced Composites AS
26. Weldship Corporation
27. Worthington Industries Inc.