ACAL ENERGY LTD.
ACUMENTRICS HOLDING CORP.
ADELAN UK LTD.
Afc Enenrgy
ALPPS FUEL CELL SYSTEMS
Alstom Technology
ALTERGY
Ariston Holding N.v.
Babcock & Wilcox
BALLARD POWER SYSTEMS
BLOOM ENERGY
Ceres Power
Clara Venture Labs
CONVION OY
CUMMINS INC.
DELPHI AUTOMOTIVE
DOOSAN FUEL CELL
ELCOGEN AS
ENTWICKLUNGS UND VERTRIEBSGESELLSCHAFT BRENNSTOFFZELLE
EZELLERON INC.
FUEL CELL TECHNOLOGIES
FUELCELL ENERGY
FUJI ELECTRIC
GENERAL ELECTRIC CO.
GEORGE WESTINGHOUSE RESEARCH AND TECHNOLOGY PARK
H2 Power Tech
H2E POWER SYSTEMS INC.
HALDOR TOPSOE A/S/TOPSOE FUEL CELL
HORIZON FUEL CELLS AND RIVERSIMPLE
INTELLIGENT ENERGY
ITM POWER
KANSAI ELECTRIC POWER CO. INC.
LINDE BOC
LOGAN ENERGY CORP.
Meidensha Corp.
MERIDIAN ENERGY LTD.
MITSUBISHI HEAVY INDUSTRIES LTD.
NEDSTACK FUEL CELL TECHNOLOGY
PALCAN FUEL CELLS LTD.
PANASONIC
PLUG POWER INC.
Pohang Iron And Steel Co. (posco)
Proton Motor Fuel Cell Gmbh
Rolls-royce Fuel Cell Systems Ltd.
SAFCELL
SHELL HYDROGEN BV
SIEMENS POWER GENERATION INC.
SMART FUEL CELL AG (SFC)
SOLIDPOWER
STAXERA GMBH (SUNFIRE)
SULZER HEXIS AG
SUMITOMO CORP.
TOKYO GAS CO. LTD.
TOSHIBA FUEL CELL POWER SYSTEMS CORP.
TOYOTA
VAILLANT GMBH
Versa Power Systems Inc.
VIOLET FUEL CELL STICKS
WATT FUEL CELL CORP.