1. L-3 Communications
7524 Standish Pl, Derwood, MD 20855
Coordinate: 39.10742,-77.1553
Phone: (240) 428-1120
2. Grand Electronics Inc
7617 Standish Pl, Derwood, MD 20855
Coordinate: 39.10921,-77.15548
Phone: (240) 912-5244
3. Knox Video Co
15875 Crabbs Branch Way Ste A, Derwood, MD 20855
Coordinate: 39.11419,-77.15678
Phone: (301) 840-5805