AECOM, 522 Whittier Ave, Glen Ellyn, IL 60137, US

URS Corporation is one of the largest and leading global engineering design firms in the United States. The company offers a comprehensive range of professional planning and design, systems engineering and technical assistance, program and construction management and operations and maintenance services for transportation, commercial or industrial, facilities, environmental, water or wastewater, homeland security, installations and logistics and defense systems. The company operates in more than 20 countries with approximately 30,000 employees providing engineering and technical services to federal, state and local governmental agencies, as well as private clients in the chemical, pharmaceutical, oil and gas, power, manufacturing, mining and forest products industries. URS Corporation is headquartered in San Francisco and offices in the Americas, Asia-Pacific and Europe.