Hazen and Sawyer, headquartered in New York, NY, US, operates within the field of environmental science and engineering. Founded in 1951, the firm specializes in designing drinking water, wastewater, and stormwater facilities, comprehensive solid waste services, and other environmental infrastructure projects. Striving towards nurturing clean, safe water supply, the company upholds it as its primary mission. Their dedication reflects in their numerous honors received at the national and regional levels, including awards from the American Society of Civil Engineers, American Council of Engineering Companies, and Water Environment Federation.