Global Systems Group® (GSG), a division of Leggett & Platt ®, is a collection of the worlds leading mattress machinery companies. GSG is comprised of Gribetz International, Porter International, Gateway Systems, Naehtec, and Spuhl-Anderson. These GSG machinery companies represent leading edge technology in computerized quilting machines and panel cutters; automated and conventional sewing machines; and mattress packaging equipment. Over 20 sales and service locations serve customers in every global region of the bedding market.