AECOM Technology Corporation (AECOM) is a global provider of professional technical and management support services to government and commercial clients on all seven continents. AECOM provides 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. The Company also provides facilities management, training, logistics and other support services, primarily for agencies of the United States government. AECOM operates through two segments: Professional Technical Services and Management Support Services. On July 28, 2008, AECOM completed its acquisition of Earth Tech, Inc. In May 2009, the Company acquired Savant. In August 2009, AECOM acquired LAN Engineering of California. In November 2009, the Company acquired SSI Services Inc.