North American Signal Company is an American manufacturer of automotive, truck, and industrial warning lights and sirens.  Based outside Chicago, North American Signal Company occupies a 45,000 square-foot facility in Wheeling, IL which includes a 20,000 square-foot warehouse added in 2003. We are a small, family-owned business proud of our 50+ employees of various backgrounds. VSS carries a large selection of North American Signal Company's vehicle safety products.