Mitsubishi Kinzoku K.K. - Honsha Plant (Matsushita Metal Co. - Head Office Plant)

Matsushita Kinzoku K.K., Kyushu Plant - Plant Accountability

Matsushita Electric Ind. Co. - Head Office

Nippon Aluminum Kogyo K.K. (Mitsubishi Light Metal Mfg. Co.) - Mikuni Plant

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

Matsushita Kinzoku Main Plant

Matsushita Electric Ind. Co. - Juso Plant, Chiyoda Sangyo K.K. - Hikone Plant

Daido Keikinzoku Kogyo K.K. - Sakai Plant, Mitsuwa Industry Co., Mitsumoto Kinzoku Kogyo - Domyoji Factory, Mitsubishi Kakoki K.K. (chemical Machine) - Sakai Plant

Nishibayashi Seiko K.K. - Honsha Plant

Mitsubishi Denki K.K. - Wakayama Kojo, Misugi Iron Works, Kano Manufactory, Matsushita Electric Ind. Co. - Juso Plant

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

Matsushita Hikoki K.K. - Main Plant

Osaka Forging Co., Kokoku Ind. Co., Mitsubishi Mokushitsu Kogyo K.K. - Chishimacho Plant

Nakanishi Kinzoku K.K. - Kawachi Plant

Mitsubishi Jukogyo K.K. - Plant Accountability

Mitsubishi Jukogyo K.K. - Mikuni Plant

Toa Kinzoku Kogyo K.K. - Haruki Plant

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

Higuchi Seiki Kogyo K.K., Asahi Kiko Co., Asahi Kinzoku Kogyo - Osaka Kojo, Asahi Seiko K.K. - Sakai Plant

Mitsubishi Heavy Industries Co, Yamanashi Plant

Kokko Seisa Kogyo K.K. - Head Plant

Riken Kinzoku K.K. - Ube Factory Caustic Soda Plant

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

Inoue Kinzoku Kogyo K.K., Masuda Iron Works, Masui Denki K.K. - No. 1 Plant, Masuda Kinzoku Kogyo-sho

400.170: Toa Kinzoku K.K. (Uozumi & Kobe Plant) - Reconversion & Exemption