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).

Koppers also is a world leader in the manufacturing of treated wood products, primarily for the railroad and electric/communications industries. Treated wood makes structures more durable and resistant to decay, thereby increasing safety, reducing replacement costs and preserving valuable forests.

Koppers has been serving the railroad industry with treated wood railroad ties and railroad crossing panel products for over 20 years and are North America's leading supplier to the Class I Railroads.

Pittsburgh, US
2,142 (est)

Koppers Locations

Pittsburgh, US

Koppers Metrics

Koppers Summary

Founding Date


Market capitalization

$693 M

Closing share price


Koppers Market Value History

Koppers Company Life