Central Location Serves You Better. Piedmont Automation, Inc. 154 Kapp Street Winston-Salem, NC 27105 Phone: 336.776.1885 Fax: 336.776.1886 Directions From Hwy 52 North, take exit 113, Patterson Ave. and turn right. From Hwy 52 South, take exit 113, Patterson Ave. and turn left. As you travel east o...