ArcelorMittal S.A., together with its subsidiaries, operates as integrated steel and mining companies in Europe, North and South America, Asia, and Africa.

Its principal steel products include semi-finished flat products, including slabs; finished flat products comprising plates, hot- and cold-rolled coils and sheets, hot-dipped and electro-galvanized coils and sheets, tinplate, and color coated coils and sheets; semi-finished long products, which includes blooms and billets; finished long products, including bars, wire-rods, structural sections, rails, sheet piles, and wire-products; and seamless and welded pipes and tubes.

The company's principal mining products comprise iron ore lumps, fines, concentrates, pellets, and sinter feeds; and coking and thermal coal, and pulverized coal injections.

It sells its products to various customers in the automotive, appliance, engineering, construction, energy, and machinery industries through a centralized marketing organization, as well as distributors.

The company has iron ore mining activities in Brazil, Bosnia, Canada, Kazakhstan, Liberia, Mexico, South Africa, and Ukraine; and coal mining activities in Kazakhstan.

ArcelorMittal S.A. was founded in 1976 and is headquartered in Luxembourg City, Luxembourg.