AECOM Technology Corporation is a global provider of professional technical and management support services to a broad range of markets, including transportation, facilities, environmental and energy. Its Professional Technical segment delivers planning, consulting, architectural and engineering design, and program and construction management services. This segment provides its services for a range of projects, including highways, airports, bridges, mass transit systems, government and commercial buildings, and water and wastewater facilities, as well as for power transmission and distribution. The company's Management Support Services segment offers facilities management and maintenance, training, logistics, consulting, technical assistance, and systems integration services primarily for the agencies of the United States government. AECOM Technology Corporation, formerly known as Ashland Technology Corporation, is based in Los Angeles, California.