1. Communication Systems Services
10948 Mission Ridge Dr, Manassas, VA 20109
Coordinate: 38.78271,-77.52359
Phone: (703) 330-6800
2. Falcon Communications Solutions Inc
9500 Technology Dr, Manassas, VA 20110
Coordinate: icon:https://i1.ypcdn.com/ypu/images/icons/map-pin.png|38.74867,-77.49615
Phone: (703) 335-5000