Johnson Controls

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SimplexGrinnell was formed after the merger of Grinnell Fire Protection and Simplex in 2001. The company offers fire detection equipment, alarms, sprinklers, extinguishers, time clocks and security systems. SimplexGrinnell employs more than 10,000 staff members and provides emergency services. It designs, engineers and installs health care communication systems and offers maintenance, inspection and monitoring solutions. The company serves clients in the chemical processing, pharmaceutical, automotive, food production and telecommunications industries through over 140 offices in North America. It provides the Simplex, Grinnell and SafeLINC brands of products. SimplexGrinnell also caters to the needs of schools, universities, hospitals and institutions. The company is a part of Tyco International.