Oyo Corp. is engaged in the geological, geophysical, and geotechnical research and consulting businesses. It operates through the following segments: Infrastructure & Maintenance, Disaster Prevention & Mitigation, Environmental Business and Resources & Energy. The Infrastructure & Maintenance segment provides solutions to support maintenance and management of social infrastructure and facilities. The Disaster Prevention & Mitigation segment provides solutions to support toughening society and enterprises mainly against natural disasters such as earthquakes, tsunamis, volcanic disasters, heavy rain disasters and sediment-related disasters among others. The Environmental Business segment provides solutions to support social environment preservation and measures to reduce burden on the global environment. The Resources & Energy segment provides solutions to support development, conservation and effective utilization of resources and energy. The company was founded by Kunio Suyama and Atsuo Fukada on May 2, 1957 and is headquartered in Tokyo, Japan.