Air Products and Chemicals Inc.
AREVA H2Gen
Asahi Kasei Corporation
C&E Environmental Technology Co. Ltd.
Enagic
Eneco Holdings
ErreDue s.p.a.
Hitachi Zosen Corporation
Hydrogenics
Hydrogenics Corporation
Linde AG
Nel ASA
Peak Scientific
ProtonOnsite
Siemens AG
Teledyne Energy Systems Inc.
Teledyne Technologies Incorporated
ThyssenKrupp AG
Toshiba Lifestyle Products & Services Corporation
Kobel co Eco-Solutions