San-oh Kajo Co. Ichinoseki Plant

Matsushita Electric Ind. Co. - Koriyama Plant, Hirose Jukogyo K.K. - Wakae Plant, Minami Orimono Co., Matsushita Shipbuilding Co. - Sakai Plant

Matsushita Electric Ind. Co. - Tsuda Plant, Matsushita Electric Ind. Co. - Kyoto Plant, Futaba Machine Tool Co. (Minoura Machine Tool Co.)

Haruna Industrial Co., First Plant

Haruna Industrial Co., Third Plant

Taihei Kogyo Co. - Shinodayama Plant

Kawanishi Aircraft Co. - Takarazuka Plant

Nikko Industrial Co., Tachikawa Plant

Nikko Industrial Co., Omori Plant

Teikoku Tanko Co. - Tsumori Plant

Riken Industrial Co., Odai Plant

Kayaba Sangyo Co., Tokyo Plant

Kanegafuchi Spinning Co. - Torigai Plant

Handa Jukogyo Co. - Osaka Plant

Nippon Typewriter Co. - Mikuni Plant (Nakajima Kikai Osaka Plant)

Teikoku Chukosho - Kanzakigawa Plant, Mizumoto Seisakusho, Miura Aircraft Co., Matsushita Electric Ind. Co. - Kadoma Plant

Kyushu Shipbuilding Co., Ltd. - Plant Accountability

Fukuoka Seikosho Co., Ltd. - Plant Accountability

Shinsei Kogyo Co., Ltd. - Plant Accountability

Kanegafuchi Spinning Co., Ltd. - Amagasaki Plant

Fukami Sanko Co., Ltd. - Plant Accountability

Mitsubishi Heavy Industries Co, Yamanashi Plant

Nippon Typewriter Co., Ltd. - Kema Plant

Nippon Tire Co., Ltd., Kurume Synthetic Rubber Plant - Plant Accountability

Fuso Metal Ind. Co. - Wakayama Plant, Nippon Tanatsu Kikai Co., Amatsuji Kokyu K.K. - Oki Plant, Amatsuji Kokyu K.K. - Maruyama Plant