ABM Industries, Inc. engages in the provision of facility services for commercial, industrial, and institutional buildings. It operates through the following segments: Business & Industry, Aviation, Technology & Manufacturing, Education, Technical Solutions, and Healthcare. Read More The Business & Industry segment encompasses janitorial, facilities engineering, and parking services for commercial real estate properties and sports and entertainment venues. It also provides vehicle maintenance services to rental car providers. The Aviation segment supports airlines and airports with parking and janitorial to passenger assistance, catering logistics, air cabin maintenance, and transportation. The Technology & Manufacturing segment provides janitorial, facilities engineering, and parking services. The Education segment delivers janitorial, custodial, landscaping & grounds, facilities engineering and parking services for public school districts, private schools, colleges and universities. The Technical Solutions segment engages in mechanical and electrical services. The Healthcare segment offers janitorial, facilities management, clinical engineering, food and nutrition, laundry and linen, parking and guest services, and patient transportation services at traditional hospitals and non-acute facilities. The company was founded by Morris Rosenberg in 1909 and is headquartered in New York, NY.