BALLARD POWER SYSTEMS
BLOOM ENERGY
CERES
CONVION LTD.
CUMMINS INC.
DOOSAN FUEL CELL CO. LTD.
FUELCELL ENERGY INC.
FUJI ELECTRIC CO. LTD.
HORIZON FUEL CELL TECHNOLOGIES
INTELLIGENT ENERGY LTD.
KYOCERA CORP.
MITSUBISHI HEAVY INDUSTRIES LTD.
NEDSTACK FUEL CELL TECHNOLOGY
PLUG POWER INC.
TOSHIBA CORP.