Koppers Holdings Inc. — Investor Relations & Filings

Koppers Holdings Inc. is an integrated global provider of treated wood products, wood preservation chemicals, and carbon compounds. The company specializes in wood preservation technology, manufacturing pressure-treated products such as railroad crossties and utility poles for the railroad, utility, construction, and infrastructure industries. It also distills coal tar to produce carbon materials and chemicals, including carbon pitch and creosote. Koppers provides complementary services such as utility infrastructure maintenance, inspection, and environmentally responsible end-of-life management for treated wood. The company focuses on developing sustainable solutions supported by research and innovation.