1. Air Products and Chemicals Inc.
2. BASF SE
3. Buzwair Industrial Gases Factories
4. Cryoin Engineering Ltd.
5. Gulf Cryo
6. Iwatani Corporation
7. Linde PLC
8. Matheson Tri-Gas Inc.
9. MESA Specialty Gases & Equipment
10. Messer Group GmbH
11. Nippon Sanso Holdings Corporation
12. Norco Inc.
13. RasGas Company Limited
14. Shell PLC
15. Showa Denko K. K.