Howa Jukogyo K.K., Tokyo Plant

Mitsubishi Jukogyo K.K. - Plant Accountability

Mitsubishi Jukogyo K.K. - Mikuni Plant

Kawasaki Jukogyo K.K. - Nishinomiya Plant, Kawasaki Kokuki Kogyo K.K. - Akashi Plant

Kanegafuchi Boseki K.K., Tokyo Plant

Koyo Seiko K.K., Tokyo Plant

Koa Jukogyo K.K

Nippon Gakki Seizo K.K., Tokyo Plant

Mitsui Seiki Kogyo K.K., Tokyo Plant

Mitsubishi Jukogyo K.K. - Miscellaneous

Tokyo Soda Kogyo K.K. - Caustic Soda Plant Toda Plant

Mitsubishi Jukogyo K.K. - Engine Factories

Taihei Kogyo K.K. (Furuya Jukogyo)

Ishikawajima Jukogyo K.K., 2nd Factory

Mitsubishi Jukogyo K.K. - Tsuruhara Kojo

List of Authorized Use - Tokyo Juki Kogyo K.K., Tokyo Plant

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

Nishi Nippon Jukogyo K.K. - Hiroshima Shipyard

Handa Jukogyo Co. - Osaka Plant

Mitsubishi Jukogyo - Daijuyon Kojo (Uzumasa Plant)

Nihon Rayon K.K. - Yonago Plant, Nippon Pulp K.K. - Yonago Plant

412.31: Kawasaki Jukogyo K.K. (Shipbuilding Yard) - Inventory Sheets

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

Kyushu Tekko K.K., Itoshima Plant - Plant Accountability

Kyushu Tekko K.K., Nogata Plant - Plant Accountability