436 Seventh Avenue
Pittsburgh PA 15219-1800
Tel: (412) 227-2367
Fax: (412) 227-2841
Koppers is a leading integrated producer of carbon compounds and treated wood products for the aluminum, steel, chemical, rubber, railroad and utility industries. Headquartered in Pittsburgh, Pennsylvania, Koppers has multiple manufacturing facilities in the United States, United Kingdom, Denmark, The Netherlands, Australia and China. Koppers carbon materials and chemicals are essential to the production of aluminum, steel, plastics, resins, treated wood and rubber products. In addition, the carbon materials and chemicals also increase the durability of many products including railroad ties, utility and transmission poles and marine pilings.
As a leading distiller of coal tar, a by-product of the transformation of coal into coke, Koppers produces carbon pitch, refined tar, creosote, carbon black feedstock and chemical oils. The chemical oils resulting from distillation are used to produce naphthalene and phthalic anhydride (PAA).