ABM Industries Incorporated (NYSE:ABM), which operates through its subsidiaries (collectively "ABM"), is a leading provider of integrated facility services. With fiscal 2010 revenues of approximately $3.5 billion and nearly 100,000 employees, ABM provides commercial cleaning and maintenance, facility engineering, energy efficiency, parking and security services for thousands of commercial, industrial, government and retail clients across the United States and various international locations. ABM's business services include ABM Janitorial Services, ABM Facility Services, ABM Engineering Services, Ampco System Parking and ABM Security Services.