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Cliffs is the largest flat-rolled steel producer in North America. Founded in 1847 as a mine operator, we are also the largest supplier of iron ore pellets in North America. In 2020, we acquired two major steelmakers, AK Steel and ArcelorMittal USA, vertically integrating our legacy iron ore business with quality-focused steel production and emphasis on the automotive end market. Our fully integrated portfolio includes custom-made pellets and HBI; flat-rolled carbon steel, stainless, electrical, plate, tinplate and long steel products; as well as carbon and stainless steel tubing, hot and cold stamping and tooling. Headquartered in Cleveland, Ohio, we employ approximately 25,000 people across our mining, steel and downstream manufacturing operations in the United States and Canada.
Spaulding Equipment Company is a Perris, CA-based company in the Agriculture and Mining sector.
Dominion Diamond Corporation focuses on the mining and marketing of rough diamonds worldwide. The company operates through Diavik Diamond Mine, Ekati Diamond Mine, and Corporate segments. It holds 80% ownership interest in the Ekati group of mineral claims; and a 40% ownership interest in the Diavik group of mineral claims, both located at Lac de Gras in Northwest Territories, Canada. The company was formerly known as Harry Winston Diamond Corporation and changed its name to Dominion Diamond Corporation in March 2013. Dominion Diamond Corporation was founded in 1980 and is based in Toronto, Canada.
The Conco Companies is a Concord, CA-based company in the Agriculture and Mining sector.
AMCOL International Corporation operates in five segments: minerals, environmental, oilfield services, transportation and corporate. The Company's minerals segment mines, processes and distributes clays and products with similar applications for use in