Tetra Pak Inc, 5691 International Dr, Rockford, IL 61109, US

For nearly a century, J.L.Clark has been one of the leaders in packaging that utilizes both metal and plastic with a diverse assortment of options. John L. Clark, the inventor of the Gem Flue Stopper, founded J.L.Clark in 1904. Originating with metal fabrication and decoration, Clark opened a small manufacturing plant in Rockford, Ill. As business grew, new products were added and lithography became an essential part of the company s business. With facilities in Rockford and Lancaster, Pa., J.L.Clark is equipped to manage packaging needs from start to finish, including product development, graphics and printing, contract packing and distribution.