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Koppers Holdings Inc

Koppers Holdings Inc. provides treated wood products, wood preservation chemicals, and carbon compounds in the United States, Australasia, Europe, and internationally. It operates through two segments, Railroad and Utility Products and Services; and Carbon Materials and Chemicals. The products include creosote-treated, CCPI-treated, PTI-treated railway products; power-transmission pole, marine pilings and construction timbers; industrial products; structural components for residential systems; rough green lumber; preservative chemicals; engineered carbon materials for primary aluminum producers; coal tar based specialty chemicals for use in plastics processing operations, paving asphalts and adhesives for roofing shingle manufacturing operations, consumer products and agriculture uses; phenolics resins used in the production of abrasive grains that are incorporated into various grinding wheels; pyrolysis tar which is used as a feedstock to produce carbon black products.

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