Idemitsu Kosan Co.,Ltd.

ENEOS Corporation

Cosmo Oil Co., Ltd.

SHOWA YOKKAICHI SEKIYU CO.,LTD.

Taiyo Oil Company, Limited

Fuji Oil Company, Ltd.

KASHIMA OIL CO.,LTD

TOA OIL CO., LTD.

Petroleum Association of Japan

Nippon Seiro Co., Ltd.

The Japan Petroleum Institute

Japan Lubricating Oil Society

Japan Organization for Metals and Energy Security

JGC Catalysts and Chemicals Ltd.

Air Liquide Japan G.K.

Iwatani Corporation

TOMOE SHOKAI Co.,LTD.

Nippon Ketjen Co., Ltd.

IHI Corporation

Kawasaki Heavy Industries, Ltd.

Japan Automobile Manufacturers Association, Inc.

SAMTECH Corporation

Tatsuno Corporation

Chiyoda Corporation

Toyo Engineering Corporation

JGC HOLDINGS CORPORATION

Mitsubishi Kakoki Kaisha, Ltd.

KITZ Corporation

Engineering Advancement Association of Japan

Mizuho Bank, Ltd.

Sumitomo Mitsui Banking Corporation

Sumitomo Mitsui Trust Bank, Limited

ENEOS Research Institute, Ltd.

The Institute of Appiled Energy

JAPAN CARBON FRONTIER ORGANIZATION

The Japan Research and Development Center for Metals

The Association of Hydrogen Supply and Utilization Technology

The Institute of Energy Economics, Japan

Japan Automobile Research Institute

Japan Organics Recycling Association