Koppers Holdings is a leading integrated producer of chemicals, carbon compounds and treated wood products for the aluminum, railroad, specialty chemical, utility, rubber and steel industries. Koppers operates in two principal business units: carbon materials and chemicals and railroad and utility products. Through its carbon materials business, Koppers is one of the largest distillers of coal tar in North America, Australia, the United Kingdom and Scandinavia. Through the railroad and utility products business, it is the largest supplier of railroad crossties in North America. Koppers other commercial wood treatment products include the provision of utility poles to the electric and telephone utility industries. The company serves its customers through a global manufacturing and distribution network that includes approximately 35 manufacturing facilities in North America, Australia, China, Europe and South Africa.