VA Tech Wabag Limited, together with its subsidiaries, engages in the design, supply, installation, construction, and operational management of drinking water, waste and industrial water treatment, and desalination plants in India and internationally. The company offers sewage treatment, drinking water treatment, effluent treatment, water recycle and reuse, desalination, wastewater treatment, and sludge treatment services for municipal and industrial users; engineering, procurement, and construction services, as well as operation and maintenance services; and financing, construction, as well as operation of water and wastewater projects. It serves oil and gas, power plants, steel, fertilizer, food and beverage, industrial park, and other industries. The company was formerly known as Balcke Durr and Wabag Technologies Limited and changed its name to VA Tech Wabag Limited in April 2000. The company was incorporated in 1995 and is headquartered in Chennai, India.