Martin Marietta Materials
Martin Marietta Materials, Inc., a natural resource-based building materials company, supplies aggregates and heavy-side building materials to the construction industry in the United States and internationally. It offers crushed stone, sand, and gravel products; ready mixed concrete and asphalt; paving products and services; and Portland and specialty cement for use in the infrastructure projects, and nonresidential and residential construction markets, as well as in the railroad, agricultural, utility, and environmental industries. The company also produces magnesia-based chemicals products, dolomitic lime primarily to customers for steel production and soil stabilization. Its chemical products are used in flame retardants, wastewater treatment, pulp and paper production, and other environmental applications. The company was founded in 1939 and is headquartered in Raleigh, North Carolina.
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ArcelorMittal S.A., together with its subsidiaries, operates as integrated steel and mining companies in the Americas, Europe, Asia, and Africa. It offers 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, such as blooms and billets; finished long products consisting of bars, wire-rods, structural sections, rails, sheet piles, and wire-products; and seamless and welded pipes and tubes. The company also provides mining products, such as iron ore lumps, fines, concentrates, pellets, and sinter feeds; and coking coal. It sells its products to various customers in the automotive, appliance, engineering, construction, energy, and machinery industries through a centralized marketing organization, and distributors. The company operates iron ore mining activities in Brazil, Bosnia, Liberia, Mexico, South Africa, and Ukraine, as well as in India and in Canada. ArcelorMittal S.A. was founded in 1976 and is headquartered in Luxembourg, Luxembourg.
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