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Tube City IMS, with a rich history originating in 1926, evolved into a leading North American provider of on-site, outsourced industrial services to steel mills as TMS International. These comprehensive services include raw material procurement, scrap management and optimization, material handling, metal recovery, slag processing, and surface conditioning. In 2021, TMS International, the parent company of Tube City IMS, LLC, was acquired by Cleveland-Cliffs Inc. The expertise and operations of Tube City IMS / TMS International are now integrated within Cleveland-Cliffs, contributing to its vertically integrated steel production capabilities and operational efficiencies.
Historically served as a key operational hub for managing and coordinating outsourced industrial services for steel mills, including logistics, operational oversight, and specialized support for the steel industry.
Strategically located in an area with a strong industrial and steelmaking heritage, likely with infrastructure supporting heavy industrial services and logistics, including proximity to river or rail transport.
The work culture associated with Tube City IMS operations typically emphasizes safety, operational excellence, efficiency, problem-solving, and a strong commitment to serving the needs of the steel industry. This is now part of the broader Cleveland-Cliffs culture.
The Glassport location and the Tube City IMS legacy represent decades of specialized expertise and continuous service to the North American steel industry, adapting through various economic cycles and technological advancements.
Historically, as TMS International, the company had a significant global presence, operating at over 80 customer sites in approximately 10-12 countries across North America, Europe, Latin America, and the Asia-Pacific region. It provided a comprehensive suite of on-site mill services, raw material procurement, and logistics solutions tailored to the international steel industry. These global operations and expertise are now part of Cleveland-Cliffs' broader operational footprint.
12 Monongahela Avenue (Historical Operational Site)
Glassport
PA
USA
Address: On-site at customer steel production facilities (e.g., major steel producing regions in the US, Canada, Europe)
To deliver essential, highly specialized operational support services to major steel producers, enhancing their efficiency, sustainability, and productivity in key global steelmaking regions. These operations are now managed under Cleveland-Cliffs.
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As of April 2025, Tube City IMS' leadership includes:
Tube City IMS has been backed by several prominent investors over the years, including:
As Tube City IMS / TMS International operations are now fully integrated into Cleveland-Ciffs Inc. since late 2021, specific executive news for these legacy entities is not reported separately. Executive movements related to these functions would be part of Cleveland-Cliffs' overall corporate announcements.
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Email communications for personnel associated with former Tube City IMS / TMS International operations now use Cleveland-Cliffs Inc. email domains. Common corporate email formats are typically based on employee names.
[first].[last]@clevelandcliffs.com or [first_initial][last]@clevelandcliffs.com
Format
jane.doe@clevelandcliffs.com
Example
85%
Success rate
Cleveland-Cliffs Inc. Investor Relations • February 13, 2024
Cleveland-Cliffs announced its financial results for 2023, discussing the successful integration of acquired businesses, including former TMS International (Tube City IMS) operations, which contribute to its overall steelmaking capabilities and efficiencies....more
Cleveland-Cliffs Inc. News Releases • November 18, 2021
Cleveland-Cliffs Inc. announced the successful completion of its acquisition of TMS International Corp., the parent company of Tube City IMS, significantly expanding its scrap processing capabilities and internal sourcing of prime scrap....more
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