American Cast Iron Pipe Co. (ACIPCO) operates one of the largest ductile iron pipe casting plants in the world. Its divisions -- including American Ductile Iron Pipe, American Flow Control, American Steel Pipe -- make ductile iron pipe and fittings, cast steel tubes, fire hydrants and fire truck pumps, and valves for water treatment and energy production. It also make specialized products for the water utility industry and electric-resistance steel pipe for the oil and natural gas industries. The company has been exporting pipes and related products since 1915.