[Gordon Document Products | Copiers and Printers Atlanta, Marietta, Kennesaw, Cobb, Fulton, Gwinnett, and Northern Georgia. Copier Companies Atlanta. GDP specializes in copier and printer leasing. We sell, manage, lease and repair Black and White copiers, Color copiers, Multifunction Copiers in Atlanta, Marietta, Kennesaw, Cobb, Fulton, Gwinnett, Rome and Northern Georgia.]