1. J & J Systems, Inc. 10 Ridgewood Dr, Hockessin, DE 19707 Coordinate: 39.758,-75.69628 Phone: (302) 307-4754
2. Electronic Home Solutions Inc 9 Homestead Ln, Hockessin, DE 19707 Coordinate: 39.78933,-75.71396 Phone: (302) 234-3391