Steel Dynamics, founded in 1993, is one of the largest domestic steel producers and metal recyclers in North America. The company operates across steel production, fabrication, metals recycling, aluminum operations, and flat roll steel processing, with an annual shipping capability of approximately 16 million tons of steel.
The company's operations are built around electric arc furnace (EAF) technology, running seven EAF steel mills. Its technical approach emphasises a circular manufacturing model, integrating metal recycling into the production process. Product lines span flat roll steel (hot roll, cold roll, coated sheet), structural beams and shapes, rail, special-bar-quality steel, cold finished steel, merchant bar products, specialty steel sections, and structural joist and deck building systems.
For technologists, the scale of Steel Dynamics' operations - processing millions of tons of material across multiple integrated platforms - presents engineering challenges in automation, process control, and data systems. The company's vertically integrated model, from raw material recycling through finished steel products, requires coordination of complex supply chain and manufacturing technologies across its North American footprint.






