Tri-Tech Holding Inc. provides consulting, engineering, procurement, construction, and technical services. Its Water, Wastewater Treatment and Municipal Infrastructure segment procures and constructs build-transfer processing equipment and processing control systems for the municipal water supply and distribution, wastewater treatment, and gray water recycling activities; and offers municipal facilities engineering and operation management services for related infrastructure construction projects. The company's Industrial Pollution Control and Safety segment provides systems for volatile organic compounds abatement, odor control, water and wastewater treatment, water recycling facilities design, engineering, procurement, and construction for oil, gas, petrochemical, and power industries. The company serves government, state-owned entities, and commercial clients. Tri-Tech Holding Inc. was incorporated in 2002 and is based in Beijing, the People's Republic of China.