About us

Koppers (NYSE: KOP) is an integrated global provider of essential treated wood products, wood preservation technologies and carbon compounds. 

Our team of 2,200 employees create, protect and preserve key elements of our global infrastructure – including railroad crossties, utility poles, outdoor wooden structures, and production feedstocks for steel, aluminum and construction materials, among others – applying decades of industry-leading expertise while constantly innovating to anticipate the needs of tomorrow. 

Together we are providing safe and sustainable solutions to enable rail transportation, keep power flowing, and create spaces of enjoyment for people everywhere. 

Headquartered in Pittsburgh, PA, our offices, facilities, and teams span several continents, including North America, South America, Australasia, and Europe.