Amatsuji Kogyo - Sennan Plant

Amatsuji kokyu K.K. - Sennan Plant

Amatsuji Kokyu Owada Plant

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

Yamatake Kogyo, Omori Plant

Shinsei Kogyo K.K. - Taniyama Plant

Nippon Tanatsu Kogyo Plant #5

Chuo Kogyo K.K., Omori Plant

Chuo Kogyo K.K., Rokugo Plant

Chuo Kogyo K.K., Oji Plant

Chuo Kogyo K.K., Kokubunji Plant

Taihei Kogyo Co. - Shinodayama Plant

Otani Kogyo K.K. - Amagasaki Plant

Gunze Kogyo K.K. - Yoka Plant

Nippon Kogaku Kogyo, Oi Plant

Nissan Kagaku Kogyo, Oji Plant

Nissan Kagaku Kogyo, 2nd Plant

Showa Hikoki Kogyo, Ozaku Plant

Nippon Tanatsu Kogyo - Plant #5

Koa Kikai Kogyo - Owada Plant

Riken Kogyo K.K. - Amagasaki Plant

Hodogaya Kagaku Kogyo, Oshima Plant

Dainippon Kikai Kogyo, Aoto Plant

Kawasaki Kokuki Kogyo - Takatsuki Plant

Nikkoku Kogyo K.K. (Okubo Plant)