Oyo Corp. engages in the geological, geophysical, and geotechnical research and consulting business. It operates through the following segments: Infrastructure Maintenance, Management, and Renovation, Natural Disaster Prevention and Mitigation, Environment, and Natural Resources and Energy. The Infrastructure Maintenance, Management, and Renovation segment provides solution services to support maintenance and management of social infrastructure and facilities. The Natural Disaster Prevention and Mitigation segment offers solutions to strengthen resiliency to natural disasters. The Environment segment deals with environmental preservation. The Natural Resources and Energy segment provides solution services to support development, preservation, and effective use of natural resources and energy. The company was founded by Kunio Suyama and Atsuo Fukada on May 2, 1957 and is headquartered in Tokyo, Japan.