Horiba

Kikan Buhin

Meiyo Electric

Mitsubishi Electric

Musashino Engineering Works

Nakakita Seisakusho

Naniwa Optical Mfg. Co., Ltd.

Nippon Air Brake

Nippon Zosen Kikai

Nishishiba Electric

Nunotani Hakuoy Kelii Kogyo

Osaka Boiler Mfg. Co., Ltd.

Osaka Zoki Valve Ind. Co., Ltd.

Saacke Japan Tratec Ltd.

Saginomiya Seisakusho

Sasebo Heavy Industries Co., Ltd.

Sawada Seisakusho Co., Ltd.

Seo Koatsu Kogyo Co., Ltd.

Shinko Shoji Co., Ltd.

Shonan Kosakusho Co., Ltd.

Sumitomo Metal Industry Ltd.

Sunflame Co., Ltd.

Taiyo Electric

Takuma Boiler Mfg. Co., Ltd.

Tortoise Engineering Co., Ltd.

Tokyo Keiki

Utsuki Keiki

Volcano Co., Ltd.

Yamatake Honeywell

Yokogawa Hokushin Electric