Founded in 1960, Sigma-Netics is a privately held corporation headquartered in Riverdale, NJ, with a second production facility in Yorktown, VA. Compant is a global manufacturer of pressure switches, pressure transducers, metal bellows and metal bellows assemblies. Sigma-Netics pressure switches focus on protecting equipment, processes and personnel, while frm's bellows are used in many applications ranging from industrial temperature sensing to flight-critical aerospace applications.