With more than 65 branch offices throughout the United States, including one in Phoenix, Protection One is one of the largest providers of monitored security services in the country. The company designs, installs, maintains and monitors fire and burglar alarm systems for more than 1 million residential and commercial subscribers. Its systems utilize the latest in protection technology, including motion detectors, Timex wristwatch keys, Alpha keypads and hands-free panic alarms. Network Multifamily, the company's wholly owned subsidiary, is the dominant monitored security provider to the multifamily housing market. Protection One employs approximately 2,300 professionals at its branch locations and four state-of-the-art monitoring facilities.