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

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

Chukyo Kikai Seisakusho K.K. - Komari Kojo

Toa Kikai Kogyo K.K. - Amagasaki Kojo

Mitsui Kagaku Kogyo K.K. (File #142)

Takikawa Kagaku Kogyo K.K. (File #268)

Morita Kagaku Kogyo K.K. (File #146)

Nippon Kagaku Kogyo K.K., 2nd Plant

Nissan Kagaku Kogyo K.K. (File #228)

Kyowa Koku Kogyo K.K. (Kyowa Seisakusho) - Miki Plant

Nissin Kagaku Kogyo K.K. - Tsurusaki Plant Accountability

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

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

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

Mitsui Kagaku Kogyo K.K. (Mitsui Chemical) (File #141)

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

Otani Kogyo K.K. - Kosugi Seisakusho (Former-Tokyo Fist Army Arsenal)

Otani Kogyo K.K. - Kosugi Seisakusho (Former-Tokyo First Army Arsenal)

Otani Kogyo K.K. - Kosugi Seisakusho (Former-Tokyo Fist Army Arsenal)

Otani Kogyo K.K. - Kosugi Seisakusho (Former-Tokyo First Army Arsenal)

Otani Kogyo K.K. - Kosugi Seisakusho (Former-Tokyo First Army Arsenal)

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

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

412.31 (Inventory Sheets) Oji Seiki Kogyo K.K., Suyari Sangyo K.K. - Nibuno Plant, Kobe Seisakusho - Miki Plant

400.170 (Reconversion & Exemption) Osaka Kagaku Kogyo K.K. - Inagawa Plant, Taiyo Cement-earth Mfg. Co. (Related to Nihon Seitetsu)