Over 140 Years
Sioux City Foundry is constantly evolving, moving forward in all areas of steel fabrication, cast iron manufacturing, sheet metal fabrication, steel manufacturing and much more. In addition to providing these products and services, we have recently added new capabilities to our Machining Center adding drill, bore, mill, cope and thread mill to manufacture metal products. Sioux City Foundry continues to work diligently to be one of the top foundries nationwide.
Community History
Our company has grown by tremendous strides since it was established in 1871, on the corner of Main and Seventh in Sioux City, Iowa. 'Foundry' describes only a small part of what we do now; in fact, we have evolved to become all things to the Metals Industry. We warehouse a variety of Stock Steel and process them to meet your custom requirements. Our Rebar Department supplies both black and epoxy coated reinforcing steel for a variety of high quality construction jobs.
Steel Welding & Fabrication
Our Midwest locations allow us to provide quality structural steel beams and metal fabrication to a wide range of customers. Being one of the most versatile producers of metal fabricators enables us to be involved in every aspect of your steel metal needs. We're also located next to our own steel warehouse, which makes us an unbeatable combination when it comes to providing professional quality metal and steel products with tremendous customer service.
Pouring Iron Castings
Of course, Sioux City Foundry wouldn't be complete without our Iron Foundry. We work with your older casting patterns as well, as design new patterns per your unique requirements. We use a variety of molding methods to guarantee the perfect fit for your gray iron and ductile iron needs. Sioux City Foundry works with you to ensure you receive the best in quality products and services.
Sioux City Foundry handles all of your metal needs, from iron castings to structural steel and welded metal jobs; plus DOT certified epoxy reinforcing steel bars.







