Original Engineering Consultants Co., Ltd. provides engineering consultancy services in Japan. The company offers various consulting services, such as prefeasibility study, investigation, planning, detailed design, diagnosis, construction supervision, and relevant services in the fields of water supply, wastewater collection systems, wastewater and sludge treatment, waste management, septic tank planning, urban runoff control planning, water related BOP business coordinating, sewerage works, industrial wastewater, night soil treatment, refusal disposal, stream pollution, rain over flood control, and sanitation and solid waste treatment. It also undertakes various projects in other Asian countries, the Pacific Islands, the Middle East, and South America. Original Engineering Consultants Co., Ltd. was incorporated in 1962 and is headquartered in Tokyo, Japan.