AECOM, together with its subsidiaries, engages in designing, building, financing, and operating infrastructure assets worldwide. The company operates through three segments: Design and Consulting Services (DCS), Construction Services (CS), and Management Services (MS). The DCS segment provides planning, consulting, architectural and engineering design, program management, and construction management services for industrial, commercial, institutional, and government clients, such as transportation, facilities, environmental, and energy/power markets. The CS segment offers building construction and energy, as well as infrastructure and industrial construction services. The MS segment provides program and facilities management and maintenance, training, logistics, consulting, technical assistance, and systems integration and information technology services primarily for agencies of the U.S. government and other national governments. The company was formerly known as AECOM Technology Corporation and changed its name to AECOM in January 2015. AECOM was founded in 1980 and is headquartered in Los Angeles, California.