GMi Companies is a privately owned corporate entity made up of several individual companies. GMi Companies began operations in 1976 as Ghent Manufacturing, Inc. Since its' founding, the corporation has grown to be a leader in the manufacturing and marketing of visual communication products while also expanding into additional product categories through acquisitions. History of the GMi Companies Brands Visual Communication Products Group: "Ghent" visual communication products since 1976 "Waddell" display cases acquired in 1986 "VividBoard" graphic custom whiteboards acquired in 2006 (less)