1861 fundamentals

Kumagai Gumi Co., Ltd. engages in the provision of civil engineering and construction services. It operates through the following segments: Civil Engineering, Construction, and Subsidiaries. The Civil Engineering segment includes forest conservation, flood control, railway and road construction, supervision, and other engineering services. The Construction segment deals with the research, planning, design, and construction of houses, offices, and government buildings. The Subsidiaries segment carries out the manufacture and sale of construction materials, equipment, and technology products. The company was founded by Santaro Kumagai on January 1, 1898 and is headquartered in Tokyo, Japan.