SCHAUMBURG, Ill.--(BUSINESS WIRE)--Sparton Corporation (NYSE:SPA) an industry leader in the design and manufacture of highly-complex electronic and electromechanical devices was recognized for its outstanding performance as a supplier to Raytheon Integrated Defense Systems(IDS) at the Supplier Excellence Conference held in Foxboro, Massachusetts on May 28, 2015. Raytheon’s Integrated Defense Systems business instituted the annual Supplier Excellence Awards program to recognize suppliers who hav