Our Privacy Policy has changed.

You can view our new Privacy Policy here.×

About Koppers

About Koppers

Koppers, headquartered in Pittsburgh, Pennsylvania, is an integrated global provider of treated wood products, wood treatment chemicals and carbon compounds. Its products and services are used in a variety of niche applications in a diverse range of end-markets, including the railroad, specialty chemical, utility, residential lumber, agriculture, aluminum, steel, rubber, and construction industries.  With more than 1,800 employees, it serves its customers through a comprehensive global manufacturing and distribution network, with facilities located in North America, South America, Australasia, China and Europe. 

The company operates three primary business segments.

  • Railroad and Utility Products and Services (RUPS)

Koppers is the largest supplier of railroad crossties in North America to the Class I and short-line railroads. Our other products and services include utility poles, rail joint bars and railroad bridge services.

  • Performance Chemicals (PC)

Koppers is the global leader in developing, manufacturing and marketing wood preservation chemicals and wood treatment technologies for use in residential, industrial and agricultural applications.

  • Carbon Materials and Chemicals (CMC)

Koppers distills coal tar into a variety of products, including creosote, carbon pitch, carbon black feedstock, naphthalene and phthalic anhydride, which are intermediate materials necessary in the pressure treatment of wood and production of aluminum, carbon black, high strength concrete, plasticizers and specialty chemicals.

Koppers is also firmly committed to advancing a Zero Harm culture that places the care and protection of its people, environment and communities above all else. This focused approach empowers employees to ensure safe operations through a heightened awareness of process safety, product safety, environmental stewardship and security.

Koppers was established in December 1988 in Pittsburgh, Pennsylvania, and became a publicly-traded company listed on the New York Stock Exchange in 2006.