Koppers Holdings Inc. (KOP) is a Materials stock trading at $43.83 (as of 2026-06-18), with a market capitalization of $784.66M and a trailing P/E of 10.8. Figures are sourced from first-party U.S. SEC EDGAR filings and market data.
Koppers Holdings supplies treated wood products and related chemicals, operating through Railroad and Utility Products and Services (including treated timbers, rail joint bars, utility poles, pilings, and related engineering/inspection services), Performance Chemicals (copper-based wood preservatives and fire-retardant chemicals), and Carbon Materials and Chemicals.