A comprehensive list of Merrillville, IN based companies offering installation, maintenance and repair of home and business security systems, CCTV & burglar alarms and video surveillance services. 
LET US LOOK OUT FOR YOU! Alert Alarm is recognized as the premier security & fire protection specialists in Northwest Indiana. Established over three decades ago, Alert Alarm is highly regarded as a leader in the industrial, commercial, institutional, and domestic security system industry.
Laura Walstra — Amazing company! Friendly staff and it's so nice to know that a local person is helping me when I call. They have many choices