Tanaka Kikinzoku Kogyo K.K

Hirose Technology Co., Ltd.

Amada Co., Ltd.

JFE Mechanical Co., Ltd.

Citizen Saitama Co., Ltd.

Citizen Watch Co., Ltd.

Citizen holding Co., Ltd.

Kagatsu Inc.

AIR LIQUIDE Japan Ltd.

Himeji Toshiba E.P. Corporation

Showa denki-settten kougyosho.

TOYO Tire & Rubber Co., Ltd.

Suncall Corporation

Komatsu Industries Corp.

OMRON Corporation

Affiliates of Amada Press Technology Co., Ltd.

AIDA Engineering Ltd.

NSK-Warner K.K.

TNK Sanwa Precision Co., Ltd.

KOKUYO Co., Ltd.

Tanaka Kikinzoku International K.K.

Yamada Dobby Co.,Ltd

Kyushu University　

Sony Chemical & Information Device Corp.

Zojirushi Corporation

Himeji Toshiba E.P. Corporation

Heiwa Hatsujo Industry Co., Ltd.

Hosiden Corporation

Hitachi Zosen Corporation

TEIJIN SEIKI (TS Corporation)

ALPS Electric Co., Ltd.

Mitsui & Co., Ltd.

Sumikin Bussan Corp.

TOYOTA Tsusho Corporation

Mabuchi Motor Co., Ltd.

TOMEN ELECTRONICS CORPORATION

Kanematsu Corporation

Hitachi Ltd.

Tokai Seiki Co., Ltd.

NHK Spring Co., Ltd.

CHIYODA INTEGRE CO.,LTD.

Mitsubishi Electric Lighting Corporation

Affiliates of Denso Corporation

NITTO DENKO CORPORATION

Sumitomo Metal Industries, Ltd.

Fuji Electronics Industries co.,Ltd.

Murata Manufacturing Co., Ltd.

SHIMIZU CORPORATION

Taiyo Machinery Co., Ltd.

TIC Keisokuki Co., Ltd.

Chuetsu-Seiki Co.,Ltd.

Matsushita Electric Works, Ltd.

MITSUBISHI HEAVY INDUSTRIES,Ltd.

SHIMIZU SANGYO Corporation

・・・・・Along with many other major companies in each industry