1. Spectra Lab 17873 Main St # C, Dumfries, VA 22026 Coordinate: 38.56437,-77.32883 Phone: (703) 634-5290
2. Bmi Defense Systems 3700 Fettler Park Dr Ste 304, Dumfries, VA 22025 Coordinate: 38.57925,-77.32686 Phone: (703) 445-0128