AGC Inc.

Azbil Corporation

DAIKIN INDUSTRIES, Ltd.

DMW CORPORATION

Earth Clean Co.Ltd.

EX Research Institute Ltd.

Fuji Electric Co.,Ltd.

The Furukawa Battery Co., Ltd.

Green Power Investment Corporation

Hitachi, Ltd.

INPEX CORPORATION

JFE Steel Corporation

JFE Engineering Corporation 

Kanadevia Corporation

Kansai Electric Power Company

Kawasaki Heavy Industries, Ltd.

Kurita Water Industries Ltd.

Kyudenko Corp.

Mitsubishi Corporation

Mitsubishi Electric Corporation

MITSUBISHI HEAVY INDUSTRIES, LTD.

MITSUI CHEMICALS, INC.

Miura Co., Ltd.

NEWJEC Inc.

Nikken Sekkei Ltd.

Nippon Koei Co., Ltd.

NIPPON STEEL CORPORATION

NIPPON STEEL ENGINEERING CO., LTD.

OSAKA GAS CO., LTD.

Pacific Consultants Co.,LTD.

RESC, Ltd.

SANKEN SETSUBI KOGYO CO., LTD

Shimizu Corporation

Sumitomo Corporation

Takasago Thermal Engineering Co., Ltd.

TLV CO., LTD.

TMEIC Corporation

Tokyo Electric Power Company Holdings, Incorporated

Torishima Pump Mfg. Co., Ltd.

TOSHIBA Corporation

Toyo Engineering Corporation

Yokogawa Electric Corporation