ABB Ltd, Alstom SA, Areva SA, Areva T D AG, Areva T D Holding SA, Areva T D SA, Fuji Electric Holdings Co., Ltd, Fuji Electric Systems Co., Ltd., Hitachi Ltd,. Hitachi Europe Ltd., Japan AE Power Systems Corporation, Mitsubishi Electric Corporation, Nuova Magrini Galileo SpA., Schneider Electric SA, Siemens Electric SA, Siemens AG, Siemens AG Österreich, Siemens Transmission Distribution SA, Siemens Transmission Distribution Ltd., Toshiba Corporation and VA Tech Transmission Distribution GmbH Co KEG.
ABB Ltd, Alstom SA, Areva SA, Areva T D AG, Areva T D Holding SA, Areva T D SA, Fuji Electric Holdings Co. Ltd, Fuji Electric Systems Co. Ltd, Hitachi Ltd, Hitachi Europe Ltd, Japan AE Power Systems Corp., Mitsubishi Electric Corp., Nuova Magrini Galileo SpA, Schneider Electric SA, Siemens AG, Siemens AG Österreich, Siemens Transmission Distribution SA, Siemens Transmission Distribution Ltd, Toshiba Corp. und VA Tech Transmission Distribution GmbH Co. KEG