Koppers is a global provider of treated wood products, wood treatment chemicals and carbon compounds. The company was founded in 1912 and is headquartered in Pittsburgh, Pennsylvania. Koppers operates in three segments: Railroad and Utility Products and Services, Carbon Materials and Chemicals, and Performance Chemicals. The company's products and services are used in a variety of industries, including railroad, specialty chemical, utility, residential lumber, agriculture, aluminum, steel, rubber, and construction.