Profile: Grating Pacific, Inc. manufactures inline grilles, Neenah castings, perforated and expanded metals. Our metal bars are manufactured from mild carbon steel, 6000 series aluminum and 300 series stainless steels. Our metal bar grating includes riveted, aluminum plank, bridge, trench and pressure locked gratings. Our covered molded fiberglass grating includes an integral 1/8" grit surface fiberglass plate molded to the top of any molded grating panel. Our multigrid screening is used in industrial, commercial and institutional applications including anti-skid flooring, machinery guards, fencing, space dividers in factories & warehouses.