SANTO Corp. engages in the provision of civil engineering works and construction services. It operates through the following segments: Civil Engineering, Construction, and Real Estate. The Civil Engineering segment includes sewer construction, land improvement, environmental countermeasures, road pavement construction, slope afforestation, and general civil engineering works. The Construction segment deals with the construction of lodging facilities, office buildings, factories, shops, warehouse and distribution facilities, residential buildings, educational and medical institutions, temples, and recreation facilities. The Real Estate segment covers land reclamation, apartment and building development, and property leasing. The company was founded by Takashi Naruse in April 1954 and is headquartered in Ritto, Japan.