Chodai Co., Ltd. engages in construction consultation business. It operates through the following segments: Consulting, Service Provider and Products. The Consulting segment provides research, planning, design, and construction management of bridges and civil engineering structures. The Service Provider segment handles road and public facility management and demand transportation systems. The Products segment deals with the sale of eco products and information systems. It also application service provider (ASP) services. The company was founded on February 21, 1968 and is headquartered in Tokyo, Japan.