4642.T

Founded in Tokyo, Japan, in 1962, Original Engineering Consultants Co., Ltd. delivers specialized engineering consultancy for a broad range of environmental and infrastructure initiatives. The firm's comprehensive offerings span from initial pre-feasibility assessments, in-depth investigations, and strategic planning, through to advanced design, diagnostic evaluations, and construction oversight. Its primary areas of expertise cover crucial sectors such as water infrastructure (including supply, wastewater collection, treatment, and sludge management), general waste and refuse disposal, septic system design, urban stormwater and flood control, industrial wastewater management, night soil treatment, and broader sanitation solutions. Beyond its substantial domestic operations in Japan, the company also undertakes various projects globally, maintaining a presence in other Asian countries, the Pacific Islands, the Middle East, and South America.