21. Alt Security
15158 Diana Ln, Houston, TX 77062
Coordinate: 29.57645,-95.13355
Phone: (281) 480-0880
22. Digital Alarm Systems
Houston, TX 77063
Phone: (713) 784-4426
23. Total Fire & Safety
Houston, TX 77001
Phone: (713) 652-3813
24. Simplex Grinnell Fire & Security
15503 W Hardy Rd, Houston, TX 77060
Coordinate: 29.94243,-95.38472
Phone: (281) 931-0798
25. Lifeshield Home Security System
Coordinate: icon:https://i1.ypcdn.com/ypu/images/icons/map-pin.png|29.67015,-95.54736
Phone: Phone: (281) 733-2359
26. Aquila Alarm & Communication
Coordinate: icon:https://i1.ypcdn.com/ypu/images/icons/map-pin.png|29.941813,-95.38646
Phone: Phone: (281) 741-5242
27. Western States Fire Protection
Coordinate: icon:https://i1.ypcdn.com/ypu/images/icons/map-pin.png|29.95919,-95.52669
Phone: Phone: (832) 786-4333