IHI Turbo Co., Ltd.

DYNAX Corporation

AISIN AW CO., LTD.

DAIHATSU MOTOR CO., LTD.

AISIN AW INDUSTRIES CO., LTD.

DAIHEN Corporation

Aisin Seiki Co., Ltd.

DENSO CORPORATION

AICHI MACHINE INDUSTRY CO., LTD.

TOSHIBA CORPORATION

EAGLE INDUSTRY CO., LTD.

TMEIC Corporation

Isuzu Motors Ltd.

Toyo Kohan Co.,Ltd.

Valeo Japan Co., Ltd.

TOYOTA MOTOR CORPORATION

Yutaka Giken Company Limited.

TOYOTA INDUSTRIES CORPORATION

F.C.C. Co.,Ltd.

NAGANO KEIKI CO.,LTD.

SMC Corporation

NISSAN MOTOR CO.,LTD.

NSK-Warner K.K.

NGK INSULATORS, LTD.

OGURA CLUTCH CO.,LTD.

Hamamatsu Photonics K.K.

Ondo Corporation

Hitachi High-Technologies Corporation

Kawasaki Heavy Industries,Ltd.

HIRATA SEIKI Co.,LTD.

Kobe Steel,Ltd.

Primearth EV Energy Co., Ltd.

SANDEN HOLDINGS CORPORATION

Primetals Technologies, Limited

JFE Steel Corporation

Honda Motor Co., Ltd.

JATCO Ltd

Mazda Motor Corporation

JTEKT CORPORATION.

Mitsubishi Motors Corporation

NIPPON STEEL CORPORATION

Mitsubishi Heavy Industries, Ltd.

GKN Driveline Japan Ltd

Mitsubishi Electric Corporation

SUBARU CORPORATION

Musashi Seimitsu Industry Co., Ltd.

DAISHINKU CORP.

RIVER ELETEC CORPORATION