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structural fabrication

Certifications and Memberships

For over 150 years, Sioux City Foundry has provided our customers with quality products and services. We continue to work diligently to be one of the top foundries nationwide and your one-stop metal shop. Sioux City Foundry has been awarded the following accolades in recognition of our hard work and dedication.



CRSI Certification

CRSI Certification

Epoxy Coating Plant Certification

Sioux City Foundry is a member of the Concrete Reinforcing Steel Institute (CRSI), a voluntary industry-sponsored program. This program ensures our plant and employees are trained, equipped, and capable of producing high quality epoxy-coated reinforcing bars. Areas evaluated in the program include: quality control policies and procedures, handling and storage practices, surface preparation, curing, holiday testing, thickness measurement, and adhesion testing. CRSI certification inspections are made annually and aim to help plants produce and deliver high quality material, improve plant operations, and recognize excellence in the industry.
For more information, visit: www.crsi.org.



EIG Membership

EIG Membership

Sioux City Foundry is also a member of the Epoxy Interest Group (EIG) of CRSI. EIG is a non-profit trade association which services as an authoritative resourece of information related to the use of epoxy-coated steel for reinforcing concrete. It helps specifiers, engineers, architects, fabricators and end-users receive the most up-to-date information regarding proper use and educated consumers and manufacturers about epoxy-coated reinforcing steel. This provides professionals the information necessary to improve the quality of their epoxy-coated reinforcing steel to strengthen concrete and prevent corrosion. For more information, visit: www.epoxyinterestgroup.org.