LOS ANGELES--(BUSINESS WIRE)--Aug. 30, 2009-- AECOM Technology Corporation (NYSE: ACM), a leading provider of professional technical and management support services for government and commercial clients around the world, announced today that it has acquired LAN Engineering of California. LAN, with nearly 200 employees and seven offices, provides engineering services – including program/project management, design development and construction management consulting – to primarily public clients.