Established in 2001, SimplexGrinnell is a commercial and residential automatic fire sprinkler contractor. It designs, fabricates, installs and repairs fire sprinkler systems. It provides products and services for hotels, restaurants, and commercial, residential, industrial and retail facilities. SimplexGrinnell s services include installation of fire detection systems and alarms, central station monitoring, equipment leasing and security. It is a member of the National Fire Prevention Association and operates more than 160 branch offices in the United States and Canada. Its additional services include tenant improvement and remodeling, underground work, certification testing, and installation of fire pumps and hydrants and backflow preventors. SimplexGrinnell maintains a location in Harahan, La.