1. Northern Indiana Alarm Co 6945 Broadway, Merrillville, IN 46410 Coordinate: 41.49125,-87.33533 Phone: (219) 736-6422
2. A D T 1000 E 80th Pl, Merrillville, IN 46410 Coordinate: 41.47435,-87.32984 Phone: (844) 856-4500