1. Hayes Instrument Co 502 S Cannon Blvd, Shelbyville, TN 37160 Coordinate: 35.47775,-86.467 Phone: (931) 684-0555
2. Koonce Surveying 114 E Cedar St, Shelbyville, TN 37160 Coordinate: 35.49436,-86.4567 Phone: (931) 680-1188