Italian-Thai Development Public Company Limited, together with its subsidiaries, engages in the civil and infrastructure construction and development businesses in Thailand, India, and internationally. The company undertakes various construction projects, including office buildings, condominiums, skyscrapers, and hotels, such as oil, gas, and water transmission pipelines, as well as conduit and manhole systems, and storage tanks. It also undertakes highway, railway, high speed rail, viaduct, track work, MRT system, bridge, and expressway projects, airports, ports, and marine.