ABM Industries Incorporated, through its subsidiaries, engages in the provision of integrated facility, infrastructure, and mobility solutions in the United States and internationally. It operates through Business & Industry, Manufacturing & Distribution, Education, Aviation, and Technical Solutions segments. The company offers janitorial, facilities engineering, and parking services for commercial real estate properties, including corporate offices for high tech clients, sports and entertainment venues, and traditional hospitals and non-acute healthcare facilities; and vehicle maintenance and other services to rental car providers. It also offers integrated facility services, engineering, and other specialized services in various types of manufacturing, distribution, and data center facilities.