| Abb K.K. |
Niigata Worthinton Co., Ltd. |
| Aida Engineering，Ltd. |
Nikkiso Co., Ltd. |
| Amda Co., Ltd. |
Nippei Toyama Corporation |
| Amada Metrecs Co.，Ltd. |
Nippon Fisher Co., Ltd. |
| Amada Waslno Co.，Ltd. |
Nippon Gear Co., Ltd. |
| Anest Iwata Corporation |
Nippon Mayer Ltd. |
| Borg-Warnerautomotive Co. |
Nippon Novellus Systems |
| Bosch Automotive Systems Corporation |
Nippon Pneumatic Mfg. Co., Ltd. |
| Brother Industries, Ltd. |
Nippon Seiko K. K. |
| Cataler Corporation |
Nissei Industries, Ltd. |
| Caterpillar Power Systems Inc. |
Njttetsu Hitachi Systems Eng. |
| Chiyodaprotec Co.，Ltd. |
Nomura Micro Science Co., Ltd. |
| Chuetugoukinchukou Kabushikikamisha |
Ntn Corporation. |
| Daifuku Co., Ltd. |
Ntn Seimitsujyushi |
| Daiichi Jitsugyo Co.，Ltd. |
Oiles Corporation |
| Daikin Industries，Ltd. |
OSG Co. |
| Ebara Corporation |
Precision Fukuhara Works, Ltd. |
| Flexlink Systems K.K. |
Rigaku Corporation |
| Flow Japan Corporation |
Riken Corporation |
| Fuji Machine Mfg. Co., Ltd. |
Riso Kagaku Co. |
| Futec Co.，Ltd. |
Ryonichi Engineering Co@ Ltd. |
| Furukawa Co.，Ltd. |
Sakai Heavy Industries, Ltd. |
| GE Yokogawa Medical Systems，Ltd. |
Sanden Corporation |
| HEC Corporation |
Sandvik K.K. |
| Heidelberg-Japan K.K. |
Sandvik Sorting Systems K.K. |
| Hilti Japan Ltd |
Sanko Engineering Corporation |
| Hirec |
Sato Corporation |
| Hitachi Chemical Techno-Plant |
Shikoku Kakoki Co., Ltd. |
| Hitachiseiki Co., Ltd. |
Shima Seiki |
| Honeywell Turbocharging Systems Japan Inc. |
Shin Caterpillar Mitsubishi Ltd. |
| Howa Machinery, Ltd. |
Shinko Pantec Co., Ltd. |
| Howmet Japan Limited |
Shintobrator, Ltd. |
| Ishikawajima Construction Machinery Co.，Ltd. |
Shiojiri Kogyo Co., Ltd. |
| Ishikawajima-Shibaura Machinery Co., Ltd. |
Siemens K.K. |
| Janome Sewing Machine Co.，Ltd. |
Silver Seiko, Ltd. |
| Japan Organo Co.，Ltd. |
SKF Japan Ltd. |
| Jrctokki Co.，Ltd. |
Sodick Co., Ltd. |
| Juki Corporation |
Sumitomo Heavy Industries |
| Kanematsu KGK Corp. |
Swagelok Japan Inc. |
| Kanzaki Kokyukoki Mfg. Co.，Ltd. |
Tadano Ltd. |
| Katahira&Engineers Intl |
Taihei Machinery Works, Ltd. |
| Katayama Corp. |
Takuma Co., Ltd. |
| Kwamura Electric Industrial |
Teijin Seiki Co., Ltd. |
| Kawata Mfg. Co.，Ltd. |
The Kyoritsu Co., Ltd. |
| Kawatetsu Engineering Co. |
THK Co, Ltd. |
| Kito Corporation |
TLV Co., Ltd. |
| Kobayashi Engineering Works |
Tomita Co., Ltd. |
| Komatsu Zenoah Co. |
Toray Engineering Co., Ltd. |
| Komatsu，Ltd. |
Torishimapumpmfg. Co., Ltd. |
| Komori Corporation |
Toshiba Elevator Corporation |
| Koyo Seiko Co.，Ltd. |
Toshiba Engineering Co., Ltd. |
| Koyo Thermo Systems Co.，Ltd. |
Toshiba Ge Automation Systems Corporation |
| Kubota Corporation |
Toshiba Machine Co., Ltd. |
| Kurita Water Industries Ltd. |
Toyo Carrier Engineering Co. |
| Kuroda Precision Industries Ltd. |
Toyo Engineering Corporation |
| Kyushu Komatsu Electronics Co., Ltd. |
Toyo Kanetsu K.K. |
| Makjno J. Co., Ltd. |
Toyoda Machine Works, Ltd. |
| Max Co., Ltd. |
Toyota Industries Corporation |
| Meisui Co., Ltd. |
Toyotsu Eng. & Mfc. Co., Ltd. |
| Mitsubishi Kakoki Kaisha Ltd. |
Trinity Industrial Corporation |
| Moog Japan Ltd. |
Tsubakimoto Chain Co. |
| Mori Seiki Co., Ltd. |
Tsubakimoto Mayfran Inc. |
| Morita Fire Pump Mfg. Co., Ltd. |
Tsukishima Kikai Co., Ltd. |
| Murata Machinery, Ltd. |
Tsurumi Manufacturing Co., Ltd. |
| Nabeyabi-Tech Kaisha |
Tudakoma Corp. |
| Nachi-Fujikoshi Corp. |
Uchida Hydraulics Co., Ltd |
| Nagano Science Equipment Mfg. Co., Ltd |
Ulvactohoku, Inc. |
| Nakamura Jico Co., Ltd. |
Union Tool Co. |
| Nakanishi Metal Works Co., Ltd. |
Vacs Precision K.K. |
| Nihon Millipore Limited |
Xeikon Japan Ltd. |
| Nihon Pall Ltd. |
Yanmar Agricultural Equipment Co., Ltd. |
| Nihon Spindle Manufacturing Co., Ltd. |
Yanmar Diesel Engine Co., Ltd. |
| Niigata Converter Co, Ltd. |
Yonei Co., Ltd. |
| Niigata Engineering Co., Ltd: |
Zuiko Corporation |
