Profile: ADT Fire and Security PLC is a provider of alarms, fire detection, and security systems. We stock a wide range of products. We manufacture, supply, install, and maintain a wide range of fire detection & fire alarm systems to meet all fire safety applications. Our fire detection and alarm systems provide a choice of traditional bell, electronic sounder, recorded voice, or live microphone transmissions as part of an emergency alarm program. To complement audible alarms, our systems can incorporate emergency lighting, plus visual and tactile products. Our networked or PC-based access control systems comprise of a front-end PC connected to a network of door controllers and card readers. These systems are suitable for multi-door and/or multi-site installations within larger offices, industrial units, and warehouses.