- Anritsu Electric Co., Ltd.
- Chugoku Seiki Senpaku Co.. Ltd.
- Chuozoki Mfg. Co., Ltd.
- Daihatsu Diesel Mfg. Co., Ltd.
- Daikin Kogyo Co., Ltd.
- Diesel Kiki Co., Ltd.
- Dodwell & Co., Ltd.
- Dover Japan lnc.
- Eagle Industry Co., Ltd.
- Ebara Corporation
- Fuji Electric Co. Ltd.
- Fuji Manufacturing Co., Ltd.
- Fuji Valve Co., Ltd.
- Fujita Iron Works Co., Ltd.
- Fujita Seisakusho Co., Ltd.
- Fukushima Ltd.
- Furuno Electric Co., Ltd.
- Futaba Seisakusho Co., Ltd.
- Gojyo Iron Works Co., Ltd.
- Goko Seisakusho Co., Ltd.
- Hakuyo Denkyu Co., Ltd.
- Hamanaka Chain Mfg. Co., Ltd.
- Hanshin EIectric Mfg. Co., Ltd.
- The Hanshin Diesel Works, Ltd.
- Heian Tekkosho Co., Ltd.
- Heishin Engineering & Equipment Co., Ltd.
- Heishin Pump Works Co., Ltd.
- Heiwa Seisakusho Co., Ltd.
- Hemmi Iron Works Co., Ltd.
- Hien Electric lndustries, Ltd.
- Hitachi Shipbuilding & Engineering Co., Ltd.
- Hokushin Electric Works, Ltd.
- Horiba, Ltd.
- lchihachi Propeller Co., Ltd.
- Ishii Machinery Works Co., Ltd.
- lshikawajima-Harima Heavy Industries Co., Ltd.
- Izumi-Kockums Japan Mechanical Chain Mfg. Co., Ltd.
- Japan Radio Co., Ltd
- Kashiwa Co., Ltd.
- Kayaba Industry Co., Ltd.
- K. Kitazawa Denki Seisakusho Kobe Diesel Co., Ltd.
- Kobe Steel, Ltd. Koden EIectronics Co., Ltd.
- Koito Industries Ltd.
- Kokosha Co., Ltd.
Products of Japanese Origin
- Kuramoto Instrument Mfg. Co., Ltd.
- Kurita Engineering & Construction Co., Ltd.
- Kuwahata Electric Mfg. Co., Ltd.
- MacGregor Far East Ltd.
- Meiyo Electric Co., Ltd.
- Mitsubishi Electric Corporation
- Mitsubishi Heavy Industries, Ltd.
- Mitsubishi Kakoki Kaisha, Ltd.
- Mitsui Engineering & Shipbuilding Co., Ltd.
- Mitsumoto Valve Mfg. Co.. Ltd.
- Miura Co., Ltd. Mori Machinery Co., Ltd.
- Morio Denki Co., Ltd.
- Morishita Iron Works Co., Ltd.
- MSA-Hokushin Ltd.
- Musasino Engineering Works Co., Ltd.
- Nagano Keiki Seisakusho, Ltd.
- Nakakita Seisakusho Co., Ltd.
- Nakano Seisakusho Co., Ltd.
- Nakashima Propeller Co., Ltd.
- Nakatani Iron Works Co., Ltd.
- Namirei Co., Ltd.
- Naniwa Pump Mfg. Co., Ltd.
- NEOS Co., Ltd.
- Niigata Converter Co., Ltd.
- Niigata Engineering Co., Ltd.
- Niikura Kogyo Co., Ltd.
- Nikko Sangyo Co., Ltd.
- Nippon Air Brake Co., Ltd.
- Nippon Kokan K.K.
- Nippon Pillar Packing Co., Ltd.
- Nippon Piston Ring Co., Ltd.
- Nippon Sabroe Co., Ltd.
- Nishishiba Electric Co., Ltd.
- Nissin Refrigeration & Engineering Ltd.
- Nunotani Hakuyo Keiki Kogyo Co., Ltd.
- Nunotani Nautical lnstruments Mfg. Co., Ltd.
- Ohishi Electric Industry Co., Ltd.
- Oki Electric Industry Co.. Ltd.
- Osaka Blower Mfg. Co., Ltd.
- Osaka Chain & Machinery Ltd.
- Riken Corporation Saginomiya Seisakusho, lnc.
- San-Ei Electric Co., Ltd.
- San-Ei Kogyo Co., Ltd.
- Sanshin Sempaku Dengu Co., Ltd.
- Sanwa Iron Works Co., Ltd.
- Sanyo Trading Co., Ltd.
- Sasakura Englneering Co., Ltd.
- Sekigahara Seisakusho, Ltd.
- Shimadzu Corporation Shinko Electric Co., Ltd.
- Shinko Engineering Co., Ltd.
- Shinkokinzoku Industries Co., Ltd.
- Shin Nippon Air Conditioning Engineering Co., Ltd.
- Shonan Kosakusho Co., Ltd.
- Showa Precision Machinery Co., Ltd.
- Taiko Kikai Industries Co., Ltd.
- Taiyo
- Electric Mfg. Co., Ltd.
- Takatori Mfg. Co., Ltd.
- Takazawa Mfg. Co., Ltd.
- Takenaka Iron Works Co., Ltd.
- Tanabe Pneumatic Machinery Co., Ltd.
- OMRON Tateishi Electrics Co.
- Tateno Manufacturing Co., Ltd.
- Teikoku Machinery Works, Ltd.
- Teikoku Piston Ring Co., Ltd.
- Teramoto Iron Works Co., Ltd.
- Terasaki Electric Co., Ltd.
- Tokyo Keiki Co., Ltd.
- Tokyo Sangyo Co., Ltd.
- Tomoe Engineering Co., Ltd.
- Torishima Pump Mfg. Co., Ltd.
- Toshiba Corporation
- Tsuji Heavy Industries Co., Ltd.
- Uchida Marine Hydraulics Co., Ltd.
- Ueda Iron Works Co., Ltd.
- Ushio Reinetsu Co., Ltd.
- Utsunomiya EIectric Mfg. Co., Ltd.
- Uzushio Electric Co., Ltd.
- Washio Churi Kogyo Co., Ltd.
- Woodward Governor (Japan), Ltd.
- Yamaha Motor Co., Ltd.
- Yamada Kogyo Co., Ltd.
- Yamatake-Honeywell Co., Ltd.
- Yanmar Diesel Engine Co., Ltd.
- Yokogawa Electric Works, Ltd.