1. L’Air Liquide S.A

2. Linde PLC

3. Air Products and Chemicals Inc.

4. Matheson Tri-Gas Inc.

5. Messer SE & Co. KGaA

6. Iwatani Corporation

7. Taiyo Nippon Sanso Corporation

8. Advanced Specialty Gases Inc.

9. Airgas Inc.

10. Resonac Holdings Corporation