Koppers Holdings Inc.

Koppers Holdings Inc. is an integrated global provider of treated wood products, wood preservation chemicals, and carbon compounds, headquartered in Pittsburgh, Pennsylvania. The company's mission is "Protecting What Matters. Preserving The Future," aiming to advance infrastructure through safer, stronger, and more sustainable solutions.

Koppers' product portfolio includes treated wood products such as railroad crossties, utility poles, and outdoor wooden structures, as well as wood preservation chemicals and carbon compounds like carbon pitch, creosote, and naphthalene. The company also offers services including utility services, recovery and reuse solutions, research and innovation, and carbon material testing. These products and services cater to diverse end-markets, including the railroad, utility, specialty chemical, residential lumber, agriculture, aluminum, steel, rubber, and construction industries.

Led by President and CEO Leroy M. Ball, Koppers Holdings Inc. recently published its 2025 Annual Report in March 2026 and announced an increase to its quarterly cash dividend in February 2026. The company celebrated its 20th anniversary of listing on the NYSE in March 2026. Koppers is recognized for its sustainability efforts, having been named to Newsweek's 'America's Most Responsible Companies' listing in December 2025. While facing challenges from market consolidation and fluctuating raw material costs, Koppers' Catalyst initiative achieved $46 million in benefits in 2025, with potential for over $75 million through 2028, underscoring its commitment to operational efficiency and market positioning as a leading global provider.