| Aichi Machine Industry Co., Ltd. |
Knorr-Bremse Commercial Vehicle Systems Japan |
| Aisan Industry Co., Ltd. |
Komatsu Lift Co., Ltd. |
| Aisan Ai Co., Ltd. |
Kyokuyo Shipyard Corporation |
| Aisin Aw Co.，Ltd. |
Mazda Motor Corporation |
| Aisin Aw Seimitsu Co., Ltd. |
Mazda Sangyo Co., Ltd. |
| Aisin Seiki Co., Ltd. |
MHI Diesel Service Co., Ltd. |
| Aisin Takaoka Co., Ltd. |
MHI Maritekku Co. |
| Akebono Brake Ind.Co., Ltd. |
Mikuni Corporation |
| Anden Co., Ltd. |
Mitsuba Corporation |
| Araco Corporation |
Mitsubishi Heavy Industries |
| BMW(宝马) |
Mitsubishi Motors Corporation |
| Bosch Braking Systems Co., Ltd. |
Mitsui Engineering & Shipbuilding Co., Ltd. |
| Bridgestone Cycle Co., Ltd. |
MOL(商船三井) |
| Bridgestone Metalpha Corporation |
Nabco Ltd. |
| Calsonic Kansei Corporation |
Nippon Cable System Inc. |
| Central Motor Wheel Co., Ltd. |
Nippon Giant Tire Co., Ltd. |
| Daido Metal Co., Ltd. |
Nippon Seiki Co., Ltd. |
| Daihatsu Diesel Mfg. Co., Ltd. |
Nippon Yusoki Co., Ltd. |
| Daihatsu Motor Co.，Ltd. |
Nissan Diesel Motor Co., Ltd. |
| Daimler Chrysler |
Nissan Motor Co., Ltd. |
| Delphi Automotive Systems |
Nissan Shatai Co., Ltd. |
| Delta Kogyo Co., Ltd. |
Nusec |
| Denso Co.，Ltd. |
OHI Seisakusho Co., Ltd. |
| Exedy Corporation |
Onomichi Dockyard Co., Ltd. |
| Fuji Heavy Industries, Ltd. |
Pacific Engineering Corp. |
| Fuji Kiko Corporation |
Pacific Industrial Co., Ltd. |
| Fuji Univance Corporation |
Peugeot |
| Fujitsu Ten Ltd. |
Rover Japan Ltd. |
| Futaba Industrial Co., Ltd. |
Ryosen Engineers Co., Ltd. |
| GE Engine Services |
Sanoh Industrial Co., Ltd. |
| General Motors Asia Pacific(Japan )Limited |
Shiroki Corporation |
| General Motors Japan Ltd. |
Somicishikawainc. |
| Goodyear Japan Ltd. |
Suzuki Motor Corporation |
| Harley-Davidson Japan K.K. |
Tachi-S |
| Hashimoto Forming Industry Co. |
Takashimaya Nippatsu Kogyo Co., Ltd. |
| Hayashi Telempu Co., Ltd. |
TCM Corporation |
| Hino Motors，Ltd. |
Technovainc. |
| Hiroshima Aluminum Industry Co.，Ltd. |
Tennex Co. |
| Hirotec Corporation |
Tochigi Fuji Sangyo K.K. |
| Hitachi Automotive Engineering |
Topy Industries, Ltd. |
| Hitachi Zosen Corporation |
Toyo Roki Co., Ltd. |
| Honda Lock Mfg.Co., Ltd. |
Toyoda Gosei Co., Ltd. |
| Honda Motor Co., Ltd. |
Toyodatekko Co., Ltd. |
| HTC |
Toyotaauto Body Co., Ltd. |
| Ichikoh Industries, Ltd. |
Toyota Motor Corporation |
| Ikeda Bussan Co., Ltd. |
Toyota Motor Kyushu, Inc. |
| Ishikawajima Mass-Produced Machinery Co., Ltd. |
Toyota Techno Service Corp. |
| Ishikawajima-Harima Heavy Ind. |
Toyotomi Kiko Co., Ltd. |
| Isuzu Motors Ltd. |
Tsuda Industry Co., Ltd. |
| Japan Aircraft Mfg. Co., Ltd. |
Tsuneishi Shipbuilding Co., Ltd. |
| Japan Brake Industrial Co., Ltd. |
Turbo Systems United Co., Ltd. |
| Japan Climate Systems Corporation |
Unipres Corporation |
| Jatco Transtechnology Ltd. |
Usui Kokusai Sangyo Kaisha, Ltd. |
| JECS |
Volks Wagen Group Japan K.K. |
| Jidosha Buhin Kogyo Co., Ltd. |
Yamaha Motor Co., Ltd. |
| Jidoshadenkj-Kogyo Inc. |
Yanmar Shipbuilding & Eng. Co. |
| Johnson Controls Holding Company Incorporated |
Yazakj Corporation |
| Kansei Corporation |
YNS Inc. |
| Kanto Auto Works Ltd. |
Yorozu Co. |
| Kasai Kogyo Co., Ltd. |
Yumex Corporation |
| Kawasaki Heavy Industries, Ltd. |
Yunisiajecs Corp. |
| Kayaba Industry Co., Ltd. |
Yutaka Giken Co., Ltd. |
| Keeper Co., Ltd. |
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