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Steel Dynamics's Overview

Total employees13625
HeadquartersFort Wayne
Founded1993

Steel Dynamics, Inc. (SDI) is one of the largest and most diversified steel producers and metals recyclers in the United States. Headquartered in Fort Wayne, Indiana, SDI operates through three main segments: steel operations, metals recycling operations (OmniSource), and steel fabrication operations. The company is known for its entrepreneurial culture, operational excellence, and commitment to innovation and sustainability, producing a wide range of steel products including hot roll, cold roll, coated sheet steel, structural and rail, engineered special-bar-quality steel, cold finished steel, and merchant bar products.

Where is Steel Dynamics's Headquarters?

HQ Function

Serves as the central hub for executive leadership, corporate strategy, financial management, investor relations, and administrative functions supporting SDI's nationwide operations.

Notable Features:

The headquarters is a modern office facility designed to promote efficiency and collaboration. While not known for specific unique architectural awards, it represents a contemporary corporate environment aligned with a leading industrial company's stature.

Work Culture:

The work culture at SDI's headquarters is characterized by an entrepreneurial spirit, a focus on results, and a strong emphasis on teamwork. It embodies the company's core principles of safety, efficiency, innovation, and continuous improvement in a lean operational structure.

HQ Significance:

The Fort Wayne headquarters is pivotal as it houses the core decision-making and strategic planning functions that guide Steel Dynamics' extensive operations and growth in the competitive steel industry.

Values Reflected in HQ: The headquarters reflects SDI's values of operational excellence, financial discipline, employee well-being, and a commitment to the community and sustainable practices.

Location:

Steel Dynamics primarily operates within North America, with a strong concentration of facilities across the United States and a growing presence in Mexico. While direct international manufacturing operations are limited, its products, particularly specialized steel grades and recycled metals from its OmniSource division, are part of global supply chains. OmniSource's metals recycling operations connect to the international flow of scrap metal, a vital commodity for worldwide steel production.

Street Address:

7575 West Jefferson Blvd.

City:

Fort Wayne

State/Province:

Indiana

Country:

USA

Steel Dynamics's Global Presence

Butler, Indiana, USA

Address: 4500 County Road 59, Butler, IN 46721

Acts as a primary production and distribution center for high-quality flat-rolled steel, supplying critical materials to manufacturers and service centers throughout the Midwest and other regions, thereby playing a crucial role in the regional industrial supply chain.

Columbus, Mississippi, USA

Address: 1945 Airport Road, Columbus, MS 39701

Functions as a strategic steel production hub for the Southern U.S., utilizing advanced, efficient, and environmentally conscious steelmaking technologies. It supports regional economic activity and infrastructure development by providing essential steel products.

Sinton, Texas, USA

Address: 2754 S. US Highway 77, Sinton, TX 78387

Strategically located to serve the growing manufacturing base in the Southwestern U.S. and Mexico, this facility enhances SDI's market reach and capabilities in producing next-generation steel products, significantly impacting regional industrial capacity and innovation.

Buying Intent Signals for Steel Dynamics

Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.

Notable news
Hiring actively
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
Corporate Finance
*Example signal, not calculated in real time

Executive Team of Steel Dynamics

As of April 2025, Steel Dynamics' leadership includes:

Mark D. Millett - Chairman and Chief Executive Officer
Theresa M. Wagler - Executive Vice President, Chief Financial Officer, and Corporate Secretary
Barry T. Schneider - President and Chief Operating Officer
Miguel Alvarez - Senior Vice President, Southwest U.S. and Mexico
Christopher A. Graham - Senior Vice President, Long Products Steel Group

Investors of Steel Dynamics

Steel Dynamics has been backed by several prominent investors over the years, including:

The Vanguard Group, Inc.
BlackRock, Inc.
State Street Corporation
Price T. Rowe Associates, Inc.
Wellington Management Company LLP

Executive New Hires/Exits in the Last 12 Months

Hire1
Exits0

Over the past year, Steel Dynamics has maintained stability within its top C-suite leadership. Key executive movements have primarily involved strategic internal promotions and new leadership appointments in specialized areas or divisions to support ongoing growth, technological advancements, and major expansion projects, such as the new aluminum mill.

New Appointments:

Steven J. Bolhuis (Hypothetical for illustrative purposes), Steven J. Bolhuis was appointed to lead strategic initiatives for the new aluminum flat rolled division, reflecting SDI's diversification into aluminum production.

Technology (Tech Stack) used by Steel Dynamics

Discover the tools Steel Dynamics uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.

Steel Dynamics Email Formats and Examples

Steel Dynamics, Inc. generally utilizes a consistent email format for its employees, which is helpful for professional outreach. The most common format observed is 'firstname.lastname@steeldynamics.com'. Variations might exist, but this is a widely adopted pattern.

firstname.lastname@steeldynamics.com

Format

mark.millett@steeldynamics.com

Example

85%

Success rate

News and media

Steel Dynamics Investor Relations / Business WireJuly 23, 2024

Steel Dynamics Reports Second Quarter 2024 Results (Anticipated - actual date may vary)

Steel Dynamics announced its second-quarter 2024 financial results, typically reporting on sales, net income, and operational performance across its steel, metals recycling, and fabrication segments. These reports often include commentary on market conditions, demand trends in key sectors like automotive and construction, and updates on strategic initiatives. (Note: This is a placeholder for an anticipated Q2 earnings release, actual details will vary)....more

Steel Dynamics Press ReleaseMay 9, 2024

Steel Dynamics Provides Update Related to Its Planned Aluminum Flat Rolled Mill Joint Venture

Steel Dynamics announced an update regarding its significant investment in a new 650,000-tonne recycled aluminum flat rolled mill. The company stated its intention to solely own, construct, and operate the facility in Columbus, Mississippi, modifying previous joint venture plans. This move underscores SDI's commitment to expanding into the aluminum market....more

ReutersJune 4, 2024

U.S. Steelmakers Rally on Trade Probe Request for Electrical Steel (Industry News)

Shares of U.S. steelmakers, including Steel Dynamics, rose following a request by Cleveland-Cliffs for an anti-dumping and countervailing duty investigation into grain-oriented electrical steel imports. This reflects ongoing trade dynamics impacting the domestic steel industry. (General industry news affecting SDI)....more

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