ABM Industries Incorporated (ABM), through its subsidiaries, is a provider of integrated facilities management services to commercial, governmental, industrial, institutional, residential, and retail client facilities, primarily throughout the United States. The Company operates in four segments: Janitorial, Engineering, Parking and Security. Certain of the Company’s subsidiaries provide a range of janitorial services for clients, primarily throughout the United States, in a variety of facilities, including commercial office buildings, industrial buildings, retail stores, shopping centers, warehouses, airport terminals, health facilities, educational institutions, stadiums and arenas and government buildings. Certain of the Company’s subsidiaries provide integrated facilities services, building operations and maintenance, and bundled energy solutions through both mobile and onsite applications. On December 1, 2010, the Company acquired The Linc Group, LLC.