📍 847 West Harrison Street, Chicago, Illinois.  Where it all began in 1928. From a single building in Chicago to a global resolve to help keep people everywhere safer—our journey has always been powered by people: employees, partners and customers who believe in what we do. Now, nearly a century later, we’re bringing our story full circle. Follow along as we capture our latest technologies across the city where our legacy began. The skyline may have changed. Our headquarters may look different. But our spirit of #innovation remains. #WhereItAllStarted