STANLEY Security Solutions

ADT Security Services has been a leader in home and commercial security services since 1874. The company, which was acquired by Tyco International in 1998, has more than 1 million customers in 230-plus markets throughout the United States. For home security, ADT has systems that monitor carbon monoxide levels, smoke and fire detectors, burglary alarms, low temperature sensors, water/flood sensors and a safewatch cellguard system in place to keep security systems operating if regular residential phone service is out. Small business security services include video surveillance, intrusion detection and online customer service. ADT Security Services also has products available for large businesses and government institutions. The company has locations spread throughout the U.S., including one in Gaithersburg, Md. ADT is headquartered in Boca Raton, Fla.

Guardian Protection Services, founded in 1950, is one of the largest privately owned companies in the United States that sells, installs and monitors security systems. It provides wiring and networking services for homes that are under construction. The company also offers intrusion detection, fire protection, closed-circuit TV monitoring, card access control and system integration services. It serves more than 2 million customers and employs over 1,000 individuals. Guardian Protection Services is owned and operated by Armstrong Group of Companies, which is a provider of telecommunications services and serves customers in more than five states. The company provides solutions for Internet, burglary and commercial protection, as well as 24-hour monitoring and personal emergency services. Headquartered in Pittsburgh, Guardian Protection Services maintains multiple offices throughout U.S.

ADT, also known as, ADT Security Services, is a unit of Tyco International. The public company provides electronic security solutions to more than 5 million commercial, government and residential customers in North America. It serves the federal courthouses, airports and various Fortune 500 companies. The company s security solutions include intrusion, fire protection, video, access control, critical condition monitoring, home health, electronic article surveillance and radio frequency identification systems. Its ADT Select DataSource solution facilitates secured access to the time and date stamps of security systems through the Web. ADT Security Services has over 24,000 employees at nearly 240 locations in the United States and Canada.