ABM Industries is a company that provides integrated facility solutions. It operates through five reportable segments: Business & Industry, Technology & Manufacturing, Education, Aviation, and Technical Solutions. The Business & Industry segment, encompasses janitorial, facilities engineering, and parking services for commercial real estate properties, sports and entertainment venues, and traditional hospitals and non-acute healthcare facilities. The Technology & Manufacturing segment provides janitorial, facilities engineering, and parking services to industrial and high-tech manufacturing facilities. The Education segment delivers janitorial, custodial, landscaping and grounds, facilities engineering, and parking services for public school districts, private schools, colleges, and universities. The Aviation segment supports airlines and airports with services ranging from parking and janitorial to passenger assistance, catering logistics, air cabin maintenance, and transportation. The Technical Solutions segment specializes in mechanical and electrical services.