Koppers Holdings Inc

Manufactures crude, intermediate & distillated coal tar; manufactures carbon black; manufactures treated wooden poles, posts & pilings; manufactures chemical products; manufactures coke produced in chemical recovery coke ovens

Koppers is the world s largest distiller of coal tar, a byproduct of the transformation of coal to coke. The company is a global integrated producer of chemicals, carbon compounds and treated wood products for the aluminum, steel, chemical, plastics, railroad and utility industries. Including its joint ventures, Koppers operates more than 37 facilities in the United States, United Kingdom,...