1. Kolb Electric Inc Bay 44964 Underwood Ln E, Sterling, VA 20166 Coordinate: 38.982307,-77.44475 Phone: (703) 438-8700
2. SimplexGrinnell 22712 Commerce Center Ct, Sterling, VA 20166 Coordinate: 38.98909,-77.47058 Phone: (703) 996-0762