Sioux City Foundry has always been at the forefront of diversification in order to consistently meet customers’ needs. A fami ... ly-owned company with 145 years of business experience in the metal industry has made Sioux City Foundry the benchmark of excellence. Sioux City Foundry’s certification with the scope of Steel Services, Structural Fabrication, Contract Manufacturing, Rebar, and Metal Castings provides assurance in its establishment of a quality management system to regulate its processes and provide exceptional products and services. Sioux City Foundry sets themselves apart through personal commitment to better quality, service and reliability, which leads to increased accuracy and production with shorter lead times. Sioux City Foundry provides value to customers in a wide variety of industries, including: oil & gas, energy, military, pumping, heavy transport, mining, power-generation, agricultural and construction. Check out our website for more information! read more