Steel Dynamics, Inc Email Format

ManufacturingIndiana, United States1001-5000 Employees

Steel Dynamics, Inc., based in Fort Wayne, Indiana, is a major U.S. manufacturer and metals recycler focused on steel production. It ranks among the largest domestic producers by estimated annual steelmaking and metals recycling capacity, with facilities spread across the United States and in Mexico. The company produces a broad range of steel products, including hot-rolled, cold-rolled, and coated sheet steel, structural beams and shapes, rail, engineered special-bar-quality steel, cold-finished steel, merchant bar products, specialty steel sections, and steel joists and deck; it also processes liquid pig iron and handles ferrous and nonferrous scrap.

Its customers come from construction, manufacturing, and infrastructure sectors that rely on both primary steel products and recycled materials. Steel Dynamics operates across the United States and Mexico and maintains a sizable workforce to support its production and recycling activities. A notable recent development is an automation-system upgrade at its hot strip mill in Butler, Indiana, conducted with SMS group, and the company has been recognized as a Global 100 Most Sustainable Corporation in 2026.

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