Since 1983, GFI has been a manufacturer and distributor of gray iron construction and municipal castings for the water and wastewater industries. Since then, we have diversified into several different product lines. We now carry complete lines of Manholes, Catch Basins, Inlets, Risers, Cleanouts, Meter Pits, Scuppers, Valve, Curb and Roadway Boxes, imported and select product lines also made in the USA.