Hazen and Sawyer provides environmental engineering services to public and private clients in the fields of water supply, treatment and distribution; wastewater collection and treatment; and stormwater management. Founded in 1951 we've completed thousands of successful assignments, won scores of awards and earned the trust of some of the world's most demanding clients. We have 24 offices in the U.S. and Latin America and a multidisciplinary staff, many with leadership roles in professional organizations. In 2008 Engineering News Record ranked Hazen and Sawyer 17th of the top 500 design firms in the country in the area of water and 18th in the area of sewer/waste.