Sioux City Foundry Co. 

801 Division Street, Sioux City, Iowa, 51105, United States


For the last 150 years, Sioux City Foundry Company has been the complete source for all metal needs. Our 5 divisions allow us to be diversified while providing a full-service experience. We manufacturer to your specifications, to your needs and to your desires. Our Metal Casting, Structural Fabrication(Heavy Fab), Steel Service Center, Reinforcing Steel and Contract Manufacturing divisions all powered by experience and rich history allows us to provide a unique customer experience. From concept to finished product, you can be sure our family-owned and operated company will provide the best quality products and services! Visit our website or contact us today to get the manufacturing support you deserve!

Our Work

Manufacturing Capabilities


Bending & Straghtening Machines (up to 500 Ton)

Blasting Machines(Pass through and tumble blast)

CNC Turret Punch Machines (up to 45 Ton)

Epoxy Coating Reinforcing Steel (Fabricated also)

High Definition Beam Plasma Cutting Machines (4side cutting and Marking, Bolt, slot, web, flange, cut outs, jay allen, dog bone, rathole, square tube, markings, mitre cut, double mitre, splitting & castellation)

Laser Cutting Machines (up to 1 Thick)

Machining Centers ( CNC - Vertical, Turning Lathe, Horizontal, pallet changing)

Mandrel Bending Equipment

Metal Castings (Up to 3,500 Pound casting weight)

MTS Advanced All in One Test Equipment

Plasma/Flame Cutting Machines -(up to 6 Thick)

Robotic Welding Equipment

Rolling Machines (up to 8' wide)

Sawing Machines

Shearing Equipment (up to 20' long & 1/2 thick)

Welding (mig, Stick, Stud, Spot, Tig etc)

Company Details

Company Type




MFG Member Since



United States


ISO 9001



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