1. Sentinel Alarm Co
101 Commercial St, Malden, MA 02148
Coordinate: 42.42401,-71.07495
Phone: (781) 321-4657
2. Video Protechs
908 Salem St, Malden, MA 02148
Coordinate: 42.434166,-71.03894
Phone: (781) 426-0708
3. Preferred Lock Service
678 Salem St, Malden, MA 02148
Coordinate: 42.43377,-71.04641
Phone: (781) 324-8000
4. Alarms By Rainbow Security
63 Upham St, Malden, MA 02148
Coordinate: 42.42366,-71.05763
Phone: (781) 321-0322