1. Northrop Grumman 1715 Pratt Dr, Blacksburg, VA 24060 Coordinate: 37.20457,-80.412 Phone: (540) 443-9212
2. Aero Soft Inc 1872 Pratt Dr, Blacksburg, VA 24060 Coordinate: 37.20197,-80.41343 Phone: (540) 557-1900