According to our records, this business is located at P.O. BOX 510 in Delmar (in Sussex County), Delaware 19940, the location GPS coordinates are: 38.4565052 (latitude), -75.5771471 (longitude). Gem Data Processing Inc is categorized under Sales and Receipt Books (SIC code 5112). Known organization president is Phyllis Majors. Current estimates show that the unit has a sales volume of $370,000 and staff of approximately 4 people. You can contact the company by phone at (302) 846-2120.