3M
Advent
Areva H2gen (acquired By Gtt)
ASAHI KASEI
AVCARB
BALLARD POWER SYSTEMS
BASF
CARBOTECH
CHEMOURS CO.
Chengdu Vertex Industry Co. Ltd.
CUMMINS INC.
Denora
Elogen (acquired By Gtt)
Erredue Spa
FREUDENBERG
Giner Elx (acquired By Plug Power)
Green H2 Systems
Greenerity3(subsidiary Of Toray)
Hele Titanium
HERAEUS
Hiat Ggmbh
HONDA
Hyplat
Hytron
Igas Energy Plc
INEOS
ION POWER
Ird Fuel Technology
ITM POWER
JOHNSON MATTHEY
Kobelco
Man Energy (h-tec)
MITSUBISHI CHEMICAL CORP.
Nel Hydrogen
Ohmium International
Peak Scientific
PLUG POWER INC.
SGL CARBON
Siemens Energy
SOLVAY
TANAKA PRECIOUS METALS
TORAY
UMICORE
W. L. GORE & ASSOCIATES
INC