CHODAI CO., LTD. is mainly engaged in the construction consulting business. The Consulting segment is engaged in the research, planning, design and construction management of bridges and special construction objects, and the design of civil engineering structures. This segment is also involved in comprehensive transport, road maintenance, route, city and region planning, as well as the research, planning, design, operational administration and public management of rivers, the provision of information processing, system planning and design, software development, as well as information content development, operation and distribution services, among others. The Service Provider segment operates roads and public facilities, operates polluter-pays principle (PPP) business and demand transportation systems, and provides support services. The Products segment sells eco products and information systems, and operates rental business and application service provider (ASP) business.