AlliedBarton Security Services is the largest American-owned security officer services company in the United States. AlliedBarton has more than 38,000 employees in more than 60 offices serving more than 2,000 customers coast to coast, including more than 100 Fortune 500 companies. Established in 1957, AlliedBarton has developed enhanced expertise in a number of markets, including commercial real estate, higher education, healthcare, residential communities, manufacturing and distribution, financial institutions, shopping centers and other commercial facilities.
