Ø      Atlas Electric Devices

Ø      Babcock-Hitachi

Ø      Climax, Portable Machine Tools

Ø      Cuno Incorporated

Ø      Daelin Industrial

Ø      Daiki Engineering.

Ø      Denyo Co. Ltd.

Ø      Fukada Kogyo Co., Ltd.

Ø      Hatsuta Seisakusho Co., Ltd.

Ø      Hitachi Kasado Heavy Ind. Co.

Ø      Hosokawa Micron Co., ltd.

Ø      Horiba Seisakusho Co.

Ø      Iwatsu Electric

Ø      Japan Air Filter Co,

Ø      Kingsbury, Inc.

Ø      Maekawa Kiki Seisakusho

Ø      MHI TURBO TECHNO

Ø      Mitsubishi Material Techno Corp.

Ø      Tubaki Nakashima

Ø      Nakabotec Corrosion Protecting

Ø      Nippon ALUM Mfg.

Ø      Nippon Furnace Co.

Ø      Nippon Pillar Packing,

Ø      Okuda Sogabe,

Ø      Organo Corporation

Ø      Sanko Shoji Ltd

Ø      Sanwa Hydrotech

Ø      Satake Chemical Equipment

Ø      Seo Koatsu

Ø      Shimazaki Seisakusho Co.

Ø      Strong Steel Ltd

Ø      Toa Refactoriy

Ø      Togami Electric Mfg.

Ø      Tokyo Isuzu Co.

Ø      Tokyo Nisshin Jabara

Ø      Tukishima Kikai Co.,Ltd

Ø      Vickers

Ø      Yuasa Corporation