1. Martel Inc 4608 S Dupont Hwy Ste 1, Dover, DE 19901 Coordinate: 39.09479,-75.54663 Phone: (302) 674-5660
2. Magnum Electronics 927 Horsepond Rd, Dover, DE 19901 Coordinate: 39.15019,-75.4852 Phone: (302) 734-9250