U.S. Paper Mills, located in DePere, Wis., is a part of Sonoco, which is a global supplier of industrial and consumer packaging solutions. Headquartered in Hartsville, S.C., the parent company operates approximately 300 locations worldwide and employs more than 18,500 individuals. Founded in 1899, it is a producer of composite cans and rigid paperboard containers. Sonoco manufactures a range of plastic containers and injection molded parts by extrusion blow and injection stretch blow molding. The parent company offers a variety of paperboard tubes, cores, roll packaging, molded plugs, pallet components, rotary die boards and supply chain packaging services. It provides various products for the packaging of snacks, nuts, cookies, powdered beverages, coffee, refrigerated dough, spices, household chemicals, and health and beauty products.