Hitachi Seisakusho K.K. - Kuwana Plant

Hitachi Heiki K.K., Omori Plant

Hitachi Seisakusho

Kokura Seiko K.K., Kokura Seisakusho - Plant Accountability

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

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

Labor Disputes - Hitachi Seisakusho

Hitachi Seisakusho (File #71)

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

Miyata Seisakusho K.K

Hitachi Heiki K.K

Shinko Kikai Seisakusho K.K

Tokyo Rashi Seisakusho K.K

List of 3 Class & Salvage Machines - Narashino Plant, Hitachi Seiki K.K

Hitachi Seisaku-Sho K.K

Akita Mokuzai K.K. Kikai Seisakusho

Chukyo Kikai Seisakusho K.K. - Komari Kojo

Kawasaki Miyakonojo Seisakusho - Plant Accountability

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

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

Tokushu Koku Heiki Seisakusho - Shikama Plant

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

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

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

Mobara plant of Hitachi Seisaku - Chiba