Company Profile

Company Name KOSEI CORPORATION
Head Office

1-1 Kamiosuga-chou,Higashi-ku,Hiroshima

Founded September 1,1941
Capital 780 million yen
Major Shareholders West Japan Railway Company 21.50%
Daitetsu Kogyo Co., Ltd. 16.14%
Primary businesses 1.Construction and supervision of civil engineering, building, track, and other construction work
2.Construction work planning, design, surveying and consulting
3.Real estate business
Management Team
President Representative Director and Executive Officer
Hiroyuki Kanaoka
Director and Managing Executive Officer
Koji Uemura/Yasunori Urakawa
Director and Executive Officer
Akihiro Yoshimoto/Hitoshi Ohishi/Yasuyuki Tanaka
Director
Shoichi Saeki/Kosuke Araki/Masaru Matsuo/Hiroaki Ito
Auditor
Takahiro Kanemura/Yujiro Kagawa/Maki Ogura
Executive Officer
Fumihiro Osada/Hisashi Kitano/Nobuhiko Ueoka/Koji Ikoma/Kazufumi Watanabe/Hiroki Nakamura/Hirotaka Hosoya
Employees 1,024(as of March 31,2025)
Major banks The Hiroshima Bank, Ltd./The Yamaguchi Bank, Ltd./Momiji Bank,Ltd./The Chugokou Bank, Ltd./The San-in Godo Bank, Ltd./Sumitomo Mitsui Trust Bank, Limited.

  2022 2023 2024
Sales 52.1 66.3 72.2
Operating income 0.6 1.0 2.7