Since its inception in 1984, Westlock Cotrols has developed solutions for the monitoring and control of process valves. In 1985, the company patented its first visual beacon indicator. Its products include the AccuTrak linear valve position monitors, AccuTrak rotary valve position monitors and the Intellis network control monitors. The Quantum family of control monitors is organized into product models based on the utilization of various enclosure materials, sensor and conduit options, and approvals for use in general purpose and/or hazardous areas. Westlock Controls has manufacturing, sales and service facilities in the United States, United Kingdom and Brazil. The company also has distributors located on every continent. Westlock Controls is headquartered in Saddle Brook, N.J.