Shinko Kikai Kogyo, Honshu Kojo

Toa Kikai Kogyo K.K. - Amagasaki Kojo

List of Authorized Use - Shinko Kikai Kogyo K.K

Shinko Kikai Seisakusho K.K

Shinko Kinzoku Kogyo (File #240)

Kakuwa Kokuki Kogyo, Itabashi Kojo

Shinko Denki K.K., Yamada Kojo (File #239)

Chukyo Kikai Seisakusho K.K. - Komari Kojo

Shinko Carbon Kogyo K.K. (File #238)

Koa Kikai Kogyo - Owada Plant

Dainippon Kikai Kogyo, Aoto Plant

48 Hayakawa Kikai Kogyo K.K

Tachiarai Kogyo, Shitafuchi Kojo - Plant Accountability

OM Boeki Seisakusho - Izumo Kojo, Shimane Kagaku Kogyo K.K. - Gotsu Kojo

Kanegafuchi Kikai Kogyo K.K. - Nishinomiya Factory

Kawasaki Kikai Kogyo 98-007-04

Fuji Kikai Kogyo 98-002-15

412.31 (Inventory Sheets) Kobe Kosakusho - Kobe Kojo, Showa Seiki Kogyo K.K. - Honsha Kojo

412.31: (Inventory Sheets) Kanegafuchi Kikai Kogyo - Nishinomiya

Daiwa Boseki K.K. - Izumo Kojo, Gunze Seishi K.K. - Imaichi Kojo, Hitachi Seisakusho - Yasuki Kojo, Matsue Nainenki Kogyo K.K

412.31: (Inventory Sheets) Kamitsu Koku Kogyo K.K. - Nishi Kojo

412.31: (Inventory Sheets) Kawasaki Kokuki Kogyo - K.K. Kobe Kojo

Correspondence, Niigata Civil Affairs Team, Reparations - Riken Kogyo K.K. Miyauchi Kojo

List of Authorized Use - Dai-Nippon Kikai Kogyo Aoto Plant

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