SimplexGrinnell provides a variety of fire detection and suppression systems. The company was founded in 2001 with the merger of Grinnell Fire Protection and Simplex. It offers various fire sprinklers and extinguishers. SimplexGrinnell also provides integrated security, communications and nurse call solutions. With more than 1 million customers, the company has a staff of over 10,000 technicians. It designs, engineers and installs sound, intercom and telephone systems. SimplexGrinnell offers 24-hour inspection, testing, maintenance and monitoring services. The company maintains nearly 150 offices in North America. The company s AUTOCALL brand of alarm system serves the industrial, manufacturing, transportation, education, service and medical sectors. Its SafeLINC is an Internet-based communications link that enables facility managers and building owners to check the status of fire alarm systems from off-site locations. SimplexGrinnell is a part of Tyco International.