Nippon Typewriter K.K

Nippon Typewriter Co., Ltd. - Kema Plant

Nippon Zoki K.K

Nippon Hassoden K.K

Nippon Hassonden K.K

Fushimi Factory (Osaka Military Arsenal), Dai Nippon Yoshi K.K., Dai Nippon Kogyo K.K., Dai Nippon Kikai Kogyo K.K

Tokai Ryuan K.K. (Former Nippon Hiryo K.K.)

Tokai Ryuan K.K. (Former Nippon Hiryo K.K.)

Nippon Kogaku Kogyo K.K

Nippon Suiso Kogyo K.K

Nippon Kogaku Kogyo K.K

Nippon Kogaku K.K., Shiojiri

Dai Nippon Shuppan K.K

Dai Nippon Koku K.K

Nippon Typewriter Co. - Mikuni Plant (Nakajima Kikai Osaka Plant)

Nippon Jidosha K.K. - Plant Accountability

Nippon Hassoden K.K. - Shikamako Plant

Nippon Nainenki K.K., Kamata Plant

Nippon Seitetsu K.K. (File #152)

Nippon Soda K.K. (File #153)

Nippon Denko K.K. (File #193)

Nippon Tungsten K.K. (File #232)

Nippon Rikako K.K. (File #159)

Nippon Victor K.K. (File #231)

Nippon Tire K.K. (File #235)