Koppers Holdings Inc., through its subsidiaries, provides treated wood products, wood treatment chemicals, and carbon compounds in the United States and internationally. The company operates through three segments: Railroad and Utility Products and Services (RUPS), Performance Chemicals (PC), and Carbon Materials and Chemicals (CMC). The RUPS segment procures and treats crossties, switch ties, and various types of lumber used for railroad bridges and crossings. It also provides rail joint bars to join rails together for railroads; transmission and distribution poles for electric and telephone utilities; and pilings. This segment also provides railroad services, such as engineering, design, repair, and inspection services for railroad bridges. The Performance Chemicals segment develops, manufactures, and markets water-based wood preservatives and wood specialty additives, including micronized copper quaternary and micronized copper azole, micronized pigments, alkaline copper quaternary, amine copper azole, and chromated copper arsenate for decking, fencing, utility poles, construction lumber and timbers, and vineyard stakes. The CMC segment manufactures creosote for use in the treatment of wood or as a feedstock in the production of carbon black; carbon pitch, a raw material used in the production of aluminum and steel; naphthalene for use as a feedstock in the production of phthalic anhydride and as a surfactant in the production of concrete; phthalic anhydride for the production of plasticizers, polyester resins, and alkyd paints; and carbon black feedstock for use in the production of carbon black. The company serves the railroad, specialty chemical, utility, residential lumber, agriculture, aluminum, steel, rubber, and construction industries. Koppers Holdings Inc. was founded in 1988 and is headquartered in Pittsburgh, Pennsylvania.
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