1. Communications International 5247 Ilex Way, Dayton, MD 21036 Coordinate: 39.22191,-77.01945 Phone: (410) 531-3000
2. Tristar Technical Svc Inc 5250 Green Bridge Rd, Dayton, MD 21036 Coordinate: 39.22675,-76.99834 Phone: (410) 531-6885