Cleveland Cliffs

Ferrous Processing and Trading is an environmental services company specializing in the recycling of ferrous and nonferrous metals. Operating as a processor and distributor of various types of scrap metals across North America, the company provides a range of services that include purchasing, selling, and brokering scrap metal. Additionally, it supports specialty steel production and foundry products, managing industrial scrap effectively. By supplying quality recyclable metals to dealers, steel mills, and foundries, Ferrous Processing and Trading facilitates the efficient acquisition of essential materials for its clients.

ArcelorMittal USA LLC, based in Chicago, Illinois, is a manufacturer and supplier of a wide range of steel products, including flat products like hot-rolled and cold-rolled sheets, steel plates, coated steel products, and tin sheets. The company also produces long products such as railroad rails and ingots, as well as welded products and various tubular products. In addition to steel, ArcelorMittal USA manufactures iron ore and metallurgical coal. Its diverse customer base spans several sectors, including automotive, energy, construction, packaging, transportation, and heavy machinery. Established in 2002, the company operates additional facilities in East Chicago, Indiana, and Richfield, Ohio. As of December 2010, it operates as a subsidiary of Cleveland-Cliffs Inc.

AK Steel is a prominent manufacturer specializing in flat-rolled carbon, stainless, and electrical steel products. The company primarily serves the automotive, construction, appliance, machinery, and electrical power generation markets. AK Steel operates seven steel plants and two tube manufacturing facilities across Indiana, Kentucky, Ohio, and Pennsylvania. Its product offerings include hot and cold rolled steel, electro galvanized and enameling carbon steel, various grades of stainless steel, electrical steel, and tubing. Additionally, AK Steel provides engineering services to support heavy industrial projects. The company's subsidiary, AK Coal Resources, Inc., owns metallurgical coal reserves and offers coal mining services, enhancing its capability in the steel production process.

Consolidated Thompson Iron Mines Limited is a mining company with mineral exploration and development activities focused on iron ore.

PinnOak Resources, LLC, a premium-quality metallurgical coal producer located in the United States.