Koppers Holdings

Koppers Holdings, based in Pittsburgh, Pennsylvania, is a prominent manufacturer of treated wood products, wood treatment chemicals, and carbon compounds. The company serves vital industries including railroad, aluminum, steel, agriculture, and utilities. Koppers operates through three main business segments: railroad and utility products and services, performance chemicals, and carbon materials and chemicals. Its diverse product portfolio features treated and untreated wood products, such as crossties used in railroads, as well as essential wood preservation chemicals and carbon compounds like creosote. With multiple manufacturing facilities across the United States and internationally, Koppers is committed to meeting the demanding needs of its customers in both residential and commercial construction.