Kisha Seizo Co., Ltd. (汽車製造株式会社) was a Japanese manufacturer of railway rolling stock that existed from 1896 to 1972.
- 1896: Established by Masaru Inoue as the Kisha Seizo Joint Stock Company (汽車製造合資会社).
- 1899: Factory opened in Osaka.
- 1901: Merged with the Hiraoka Factory (平岡工場), a coach and car maker in Tokyo. The two plants were reorganized as the Osaka Head Office and the Tokyo Branch.
- 1912: Becomes Kisha Seizo Co., Ltd. (汽車製造株式会社) after corporate restructuring.
- 1936: Head office moved to Tokyo; Osaka Head Office becomes Osaka Branch.
- 1944: The two branches (factories) renamed Osaka Works and Tokyo Works respectively.
- 1968: Construction of railway wagon factory in Utsunomiya.
- 1972: Merged with Kawasaki Heavy Industries.[1]