Key Players: (this may not be a complete list and extra companies can be added upon request)

Air Products and Chemicals Inc.
Sasol Limited
General Electric Company
Siemens Energy AG
Shell Global Solutions International B.V.
Mitsubishi Heavy Industries
Ltd.
Thyssenkrupp Industrial Solutions AG
Foster Wheeler AG
Haldor Topsoe A/S
China National Petroleum Corporation (CNPC)