Sino-Thai Engineering and Construction Public Company Limited, together with its subsidiaries, engages in the provision of construction services in Thailand. It provides construction services for infrastructure projects including mass transit transportations, elevated roads, highways, roads, bridges, dams, and jetty projects; and office and school buildings, condominiums, aircraft maintenance center, sport auditorium, hospitals, cargo and hangers, museums, convention buildings, and city air terminals etc. The company also offers construction of building refinery plant and various types of power plant, such as gas fired, thermal, cogeneration, coal fired, hydro, and other multifarious power generating facilities; and factories and chemical plants including refinery, petrochemical, and steel structural plants, as well as piping oil and gas pipeline etc. In addition, it involved in the construction of environmental projects, which includes waste water and solid waste treatment, basins, water supply, and piping systems. Further, the company provides rental of office buildings, machinery, construction equipment, and training services; and engages in the processing of steel structure, piping and welding, pressured containers, heat-exchange equipment, and boilers, as well as offers power generation services. Additionally, it designs, produces, constructs, installs, and maintains, telecommunication towers and steel structures; provision of document storage services; and develops real estate projects. The company was founded in 1962 and is based in Bangkok, Thailand.