|Industry:||Security & Monitoring Equipment|
|Headquarters:||Boca Raton, FL|
SimplexGrinnell, a subsidiary of Tyco International, is an American company specializing in active fire protection systems, communication systems and testing, inspection and maintenance services. The company headquarters is in Boca Raton, Florida; corporate sales and marketing offices are in Westminster, Massachusetts, and the company has about 160 district offices throughout North America. Grinnell Fire Protection was purchased by Tyco in 1976.