Koppers Holdings

Koppers Holdings Inc. provides treated wood products, wood treatment chemicals, and carbon compounds in the United States, Australasia, Europe, 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 PC segment develops, manufactures, and markets copper-based wood preservatives, including micronized copper quaternary and micronized copper azole, micronized pigments, alkaline copper quaternary, amine copper azole, and chromated copper arsenate f