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

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

Matsushita Electric Ind. Co. - Head Office

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

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

Gunze Seishi K.K. - Kurayoshi Kojo, Sendai Seishi Co., Okumura Iron Works, Tottori Kagu Kogyo K.K

Iwazumi Iron Works, Izumi Paper Manufacturing Co., Ltd. Kawasaki Heavy Ind. K.K. Fukai Plant, Kawasaki Works Ltd

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

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

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

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

Masuda Kikai Seisakusho K.K., Kanegafuchi Ind. Co. Ltd. - Takasago, Kobe & Akashi, Kanegafuchi Ind. Co. Ltd. - Yodogawa Alcohol Works, Kansai Haiden

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

Hirose Iron Works, Hirano Bearing Mfg. Co., Minato Electric Co., Daido Kogyo Co. - Mikuni Plant

Kobe Electric Works K.K. - Moriguchi Branch, Kobayashi Mining Co. - Osaka Branch, Kobayashi Mining Co. - Hyakunen Refinery

Kanegafuchi Ind. K.K. - Nakajima Works, Kyowa Light Alloy Mfg. Co., Ltd., Honda Industry Co., Ltd., Honjo Industrial Co., Ltd. - Yao Factory

Japanese Cotton Millowners' Association, Japan Controlling Association on Hardware for Building, Tagawa Hiroshi Kinzoku K.K., Sumitomo Electric Ind. Co. - Okajima Plant