Air Liquide Sa
Air Products and Chemicals Inc.
Air Water Inc.
AMCS Corporation
China National Air Separation Plant Corporation
Cryotec Anlagenbau GmbH
Daesung Industrial Co. Ltd.
Enerflex Ltd.
Gas Engineering
LLC
Hangzhou Hangyang Co. Ltd.
Inox Air Products Private Limited
Linde plc
Messer Group GmbH
Nikkiso Cosmodyne
LLC
Novair Sas
Phoenix Equipment Corporation
Ranch Cryogenics Inc.
Siad Macchine Impianti S.P.A.
Taiyo Nippon Sanso Corporation
Technex Limited
Universal Industrial Gases Inc.
Universal Ing. L. & A. Boschi Plants Private Limited
Yingde Gases Group Co. Ltd.