Founded in 1874, ADT Security Services Inc. is one of the largest providers of electronic security services in the world. Located in Montgomery, Ala., the company offers a suite of solutions, including intrusion detection, fire detection, video surveillance, access control, critical condition monitoring, health and elder care monitoring, electronic article surveillance, radio frequency identification and integrated systems. It interfaces with approximately 38,000 law enforcement, medical and fire agencies across the country. The company has partnership with the National Center for Missing and Exploited Children to roll out a nationwide child safety program.

Website: adt.com

Phone: (334) 395-5771

Cross Streets: Near the intersection of Genetta Ct and S Union St