Shepherd Security & Investigations, 1312 Elliott Ave, Madison Heights, MI 48071, US

Actron Integrated Security Systems, founded in 1957, is one of the leading providers of security systems. It installs and services access control systems, security alarms and surveillance systems for residential and commercial buildings. The company offers monthly specials that include discounts on the Internet orders, upgrading of services and new purchases. Actron Integrated is privately owned and is an authorized Blue-Ribbon dealer for Pelco. It is located in Lincoln Park, Mich., and has regional offices in Philadelphia and Fort Lauderdale, Fla.