Armstrong Group of Companies: Security and Home Technologies
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Armstrong Security
Guardian Protection Services is the nation's largest privately held security company. Guardian designs, installs and monitors security, fire alarm and medical emergency systems for homes, businesses and institutions.

For new home construction, Guardian partners with builders throughout the United States to install advanced wiring that serves as an infrastructure for home technologies such as shared use of the Internet and home/office networks. The company also installs whole house audio and home theatre systems, plasma TV, intercom and central vac in newly constructed homes. In the commercial realm, Guardian provides systems for intrusion detection, addressable fire protection, closed circuit TV monitoring (CCTV), card access control, total system integration and more.

Headquartered in Pittsburgh, Pennsylvania, Guardian provides monitoring services throughout the United States, including Alaska, Hawaii, Puerto Rico and the Bahamas, and is consistently ranked by the prestigious industry magazine, Security Distribution and Marketing (SDM), as one of the top security companies in the nation.

Armstrong Guardian