AECOM Technology Corporation, together with its subsidiaries, provides professional technical and management support services for commercial and government clients worldwide. The company's Professional Technical Services segment offers planning, consulting, architectural and engineering design, and program and construction management services for a range of projects, including highways, airports, bridges, mass transit systems, government and commercial buildings, water and wastewater facilities, and power transmission and distribution. This segment serves industrial, commercial, institutional, and government clients in end markets, such as transportation, facilities, environmental, energy, water, and government markets. AECOM Technology Corporation's Management Support Services segment provides program and facilities management and maintenance, training, logistics, consulting, technical assistance, and systems integration services primarily for agencies of the United States government. The company was founded in 1980 and is headquartered in Los Angeles, California.