According to our records, this business is located in Stone Mountain (in De Kalb County), Georgia 30083, the location GPS coordinates are: 33.8081608 (latitude), -84.170196 (longitude). Grantech is categorized under Computer Consultants (SIC code 7379). Current estimates show that the unit has a sales volume of $644,000 and staff of approximately 4 people. You can contact the company by phone at (404) 735-7470.