Central Government
Governmental Bodies
Public-service Corporations
- JAPAN SOCIETY OF CIVIL ENGINEERS
- The Overseas Construction Association of Janapn, Inc.
- Engineering and Consulting Firms Association, Japan
- Japan Transport Cooperation Association
- Agricultural Development Consultants Association
- Japan Civil Engineering Consultnts Association
- Japan Construction Machinery and Construction Association
- Institute for Future Urban Development
- Japan River Association
- Japan Association of Surveyors
- Japan Construction Training Center
- Japan Institute of Country-ology and Engineering
- Advanced Construction Technology Center
- Japan River Restoration Network
- Japan Map Center
