Sioux City Foundry is a family owned and operated business with 145 years of rich history of quality work. With 5 very different divisions in Metal Castings, Contract Manufacturing & Machining, Structural Fabrication, reinforcing steel, and a fully stocked steel service center. We have the ability to handle anything, with many added values. Have a request, Just ask? and we will do our best to Accommodate. Oh and did i mention we are ISO 9001:2008 and AISC certified focusing on lean manufacturing.
