"Together, Alpha and Cleveland-Cliffs will have the size, the management depth and the mining expertise to compete on the global stage as demand for raw materials continues to increase around the world, " Alpha Chairman Michael Quillen said in a statement to the press.

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Caterpillar, for example, bought mining equipment firm Bucyrus International this week largely to take advantage of growing emerging market demand for raw materials.

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These companies are principally engaged in the business of producing raw materials, including paper or wood products, chemicals, construction materials, and mining and metals.

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