Koppers, headquartered in Pittsburgh, Pennsylvania, is a global wood preservation technology company that creates safe and en ... vironmentally responsible solutions to solve our customer’s most important challenges. Our products and services are used in a variety of niche applications in a diverse range of end-markets including railroad, specialty chemical, utility, residential lumber, agriculture, aluminum, steel, rubber and construction industries. With more than 2,100 employees, we maintain a global manufacturing and distribution network, with facilities in North America, South America, Australasia, China and Europe. Koppers is committed to living a culture of Zero Harm that places the care of our people, our environment and our communities first at all times. The company is also a member of the American Chemistry Council and dedicated to adopting its Responsible Care® initiative at all of our locations worldwide. read more