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Most recently, Engineering News Record ranked Hazen and Sawyer, with billings of more than $119 million, 87th among the country's top 500 design firms, 17th in the area of water, 18th in the area of sewer/waste, and 53rd among "pure" designers. The firm is committed to maintaining its position at the forefront in advancing water and wastewater technologies. Hazen and Sawyer has received numerous awards for its projects from publications and professional societies. We focus on three main environmental service areas: wastewater, water, and solid waste, along with related subspecialties such as aquatic sciences, resource economics, and utility management.