1. Jones Communications 815 State Route 3 N, Gambrills, MD 21054 Coordinate: 39.04458,-76.66587 Phone: (301) 621-7773
2. Cell Phone Doctor 2646 Brandermill Blvd, Gambrills, MD 21054 Coordinate: 39.03985,-76.6779 Phone: (410) 451-1782