ABM Industries is a provider of integrated facility solutions in the United States and internationally. It offers janitorial, energy, facilities engineering, electrical and lighting, landscape and turf, HVAC and mechanical, mission critical, and parking solutions. It also offers custom facility solutions in urban, suburban, and rural areas to properties of various sizes, including hospitals, data centers, manufacturing plants, airports, schools and commercial buildings. The reportable segments are Business & Industry, Aviation, Education, Technology & Manufacturing, Technical Solutions, and Healthcare. Business & Industry, Technology & Manufacturing and Education provide janitorial, facilities engineering, and parking services to commercial real estate industries, industrial & manufacturing businesses and public & private schools, colleges & universities respectively. Aviation includes services supporting airlines & airports. Technical Solutions offers specialized mechanical and electrical services.