1. Security Watchtower
1881 Grassy Knoll Ct, Romeoville, IL 60446
Coordinate: 41.62275,-88.15379
Phone: (815) 886-3300
2. ADT 24-7 Monitoring & Home Security
Coordinate: icon:https://i1.ypcdn.com/ypu/images/icons/map-pin.png|41.64229,-88.124825
Phone: Phone: (815) 306-0163