1. Ludesco 8603 Old Harford Rd, Parkville, MD 21234 Coordinate: 39.3905,-76.5435 Phone: (410) 248-9400
2. Baltimore Precision Instrument 8603 Old Harford Rd, Parkville, MD 21234 Coordinate: 39.39068,-76.54353 Phone: (410) 248-1234