ADT is a security systems provider located in Hoover, Ala. The firm offers products, such as for intrusion detection, video surveillance, electronic access control and intercom-entry systems, to name a few. It also specializes in fire as well as safety products, RFID (Radio Frequency Identification), electronic article surveillance, public warning and mass notification systems. The company caters to a diverse group of industries that include banking, financial, education, general business, health care, national accounts, petrochemical, small business and transportation.