IDEA Consultants, Inc. engages in the integrated consultancy on infrastructure development and environmental conservation. It operates through the following segments: Environment Consultancy, Construction Consultancy, Information Systems, and Real Estate. The Environment Consultancy segment conducts environmental planning, design, survey, and analysis as well as weather forecasting services. The Construction Consultancy segment deals with construction planning, design, research, analysis, and management. The Information Systems segment offers development, construction, maintenance, and operation of information systems and operations related to earth observation. The Real Estate segment engages in real estate leasing. The company was founded in May 1953 and is headquartered in Tokyo, Japan.