Tour Andover Controls Corporation develops, manufactures, and markets systems for building management. Its products include Vista, which creates control solutions that fit with various open architecture products; I/A Series building automation system, which provides automation solutions for various types and sizes facilities; Com-Trol, which provides commerical refrigeration products to customers; I/NET, which builds building control systems that integrate security, lighting control, and HVAC functions; Continuum, which provides HVAC control, access card access control, and digital video surveillance in an integrated system; Erie, which helps in temperature control; DuraDrive, an actuator that is designed to accept control from a controller or thermostat; and pneumatic and electric actuators, sensors, thermostats, and transmitters. The company also offers building automation solutions, including HVAC, security management and access control, lifecycle services, energy solutions, precision environments, and refrigeration. In addition, it provides operational, maintenance, consulting, remote monitoring, technical support, and analysis and reporting services. The company serves university offices, commercial offices, data centers, government, k-12, healthcare, life sciences, and retail industries, as well as educational, commercial, and municipal sectors. Tour Andover Controls Corporation was formerly known as Andover Controls Corp. and was founded in 1975. The company is based in Carrollton, Texas. As of July 14, 2004, Tour Andover Controls Corporation is a subsidiary of TAC AB.