Daiho 

Daiho Corporation operates as an engineering and construction company in Japan and internationally. The company operates through three segments: Civil Engineering, Building Construction, and Other. It undertakes civil engineering works, such as dams and power plants, sea ports, expressways, bridge foundations, and railways; and building works, including offices, accommodations, retail shop buildings, warehouse factories and laboratories, condominiums, education and cultural buildings, medical and welfare buildings, sports and leisure facilities, and environmental protection and cleaning facilities. The company also develops shield tunneling and concrete caisson methods; and undertakes urban tunneling projects for subway, cabling, water supply, and sewer systems. In addition, it develops environmentally friendly technologies comprising the recycling of construction waste materials and by-products, soil de-contamination, and project life cycle; and seismic technologies that protect multifamily residential and school buildings during earthquakes. Daiho Corporation was incorporated in 1949 and is headquartered in Tokyo, Japan.