ADT (NYSE:ADT) (NYSE: ADT) is a provider of security, automation and smart-home solutions for residential and commercial customers. The company offers professionally installed and monitored alarm systems, video surveillance, fire and life-safety products, access-control solutions, and home-automation services.
For residential customers, ADT provides security systems that can integrate alarms, cameras, locks, lighting, thermostats and other connected devices. Its services generally include 24-hour professional monitoring, mobile-app controls, video monitoring and related support. ADT also serves businesses with commercial security, fire detection, video surveillance and access-management solutions.
The company traces its origins to 1874, when American District Telegraph was established to provide telegraph-based communications and alert services. Over time, it developed into a dedicated security-services provider and adopted the ADT name. ADT primarily serves customers in the United States, with its offerings delivered through direct sales, professional installation, monitoring operations and an expanding ecosystem of connected-home technologies.