Ascent Capital Group, Inc. is a holding company. The Company, through its wholly owned subsidiary, Monitronics International, Inc. (Monitronics), provides security alarm monitoring and related services to residential and business subscribers throughout the United States and parts of Canada. Monitronics monitors signals arising from burglaries, fires, medical alerts and other events through security systems at subscribers' premises. Monitronics provides a range of residential security services, including hands-free two-way interactive voice communication with the monitoring center, cellular options, and an interactive service option which allows the customer to control their security system remotely using a computer or smart phone. Monitronics performs monitoring services for subscribers located in all 50 states, the District of Columbia, Puerto Rico, and Canada.