1. Dynatech Services 1420 Winnifred St, Charlotte, NC 28203 Coordinate: 35.21772,-80.85677 Phone: (704) 370-0456
2. Technical Associates 1230 W Morehead St Ste 400, Charlotte, NC 28208 Coordinate: 35.22921,-80.8617 Phone: (704) 333-9011