 at your favorite supermarket look for the fpi symbol which stands for foam packaging and it also means that egg carton was made right here in vicksburg at their plant on highway 61 foam packaging manufactures polystyrene foam packaging products like egg cartons food serving trays produce trays and more at foam packaging our goal is to provide our customers with exceptional service high quality products and competitive pricing since 1971 customers have trusted foam packaging of vicksburg foam packaging a company we can all be proud of