SimplexGrinnell provides an array of fire alarms, extinguishers and sprinklers, integrated security, communications and nurse call systems. With more than 1 million customers, the company operates over 150 offices throughout North America. It design, engineer and install systems, as well as offers inspection, testing, maintenance and monitoring services. SimplexGrinnell has more than 10,000 technicians, installers and other professionals who provide servicing for all equipment. It serves the chemical, pharmaceutical, semiconductor, automotive, telecommunication and food industries. The company is a part of Tyco International, which provides fire and security products and services in more than 60 countries. Headquartered in Boca Raton, Fla., SimplexGrinnell maintains a presence in Springfield, Mo.