Koppers Holdings Inc. (KOP) is a wood-products and specialty-materials company that manufactures treated wood products, wood-preservation chemicals and carbon compounds. Its largest business supplies railroad crossties, utility poles and related services. It operates Railroad and Utility Products and Services, Performance Chemicals, and Carbon Materials and Chemicals segments; the first generates most revenue, and more than half of total revenue comes from the United States.

KOP Riwayat Arus Dana Bersih