WA123 Systems
WAltairnano
WAther Energy
WAutomotive Energy Supply Corporation
WBAE Batterien
WBYD Company
WEnerSys
WExide
WFisker Inc.
WGold Peak
WGS Yuasa
WJohnson Controls
WJohnson Matthey Battery Systems
WMitsubishi Heavy Industries
WNEC
WSanyo
WSK Group
WValence Technology