Job Description. Job Description. About Royston Group. . Royston Group is a family of independent companies that together are a leading supplier for grocery, convenience store, retail and laboratory fixtures, signage and equipment. Royston Group’s facilities include manufacturing plants in Jasper, Ga. Royston, Ga. Atlanta, Ga. Bessemer, Ala. Manitowoc, Wis. Bell Gardens, Calif. Jacksboro, Tn. and Mexico. It also operates distribution warehouses i...