1. Northrop Grumman 2200 S Main St, Blacksburg, VA 24060 Coordinate: 37.20274,-80.40033 Phone: (540) 953-0257
2. Northrop Grumman 1715 Pratt Dr, Blacksburg, VA 24060 Coordinate: 37.20457,-80.412 Phone: (540) 443-9212