ABOUT
Our formula for success—for our company, our customers and our stakeholders—is simple. Innovation + metallurgical expertise + electric arc furnace steelmaking technology + our pioneering mini-mill concept. This philosophy has driven us for decades and is our blueprint for future success.
The Long Products Steel Group is a leading U.S. manufacturer of superior beam, merchant bar, engineered bar, threaded bar, rebar and rail products. Our components give commercial construction, automotive, infrastructure, railroad, agricultural, energy and defense industry customers the tools to bring their visions to life.
To ensure our products are of the highest quality, we are committed to testing and investing in new processes and technologies. Our state-of-the-art research and development center serves the entire SDI organization, guaranteeing quality and efficiency in our steelmaking business:
A greenfield construction in 2002 and the second-largest operation within Steel Dynamics, Columbia City produces steel products for construction, infrastructure, and railway applications.
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Acquired in 2002, our Pittsboro facility produces the highest-grade carbon and alloy engineered bar products for transportation, energy, marine, and rotating machinery applications.
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Originally founded in 1955 and acquired by Steel Dynamics in 2006, Roanoke Bar specializes in scrap processing, manufacturing, and distribution of merchant steel products and semi-finished billets.
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Originally founded in 1907 and acquired by Steel Dynamics in 2006, Huntington produces carbon steel products for construction, manufacturing, heavy equipment, and energy applications.
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Known as Marshall Steel, our Memphis facility produces structural steel beams, channels, and specialty sections customized to meet customer specifications.
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Our Wurtland, Kentucky facility specializes in high-quality hot-dip galvanizing services for a wide range of industries, supporting both regional customers and Steel Dynamics operations.
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Located in Ashland, Kentucky, this rolling mill produces steel flat bars and specialty MBQ and SBQ alloy products with advanced rolling, finishing, and precision processing capabilities.
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Incorporated in 1978 and acquired by Steel Dynamics in 2016, Vulcan facility is the nation's largest manufacturer of threaded rod and bar products serving North America.
LEARN MOREOur talented people are the foundation to the commitment of excellence in the products we make and the customers we serve. Our work culture is built on family values, working together with the same attitude, respect, and strength that has carried over from generations prior. It's the basis that encompasses our core principles to succeed and why customers appreciate the individual attention we provide.