en.wikipedia.org/wiki/Koppers

Koppers is a global chemical and materials company based in Pittsburgh, Pennsylvania, ... once again become successful at its core businesses. In 2006 the new Beazer-free independent Koppers Incorporated again went public [2].

www.koppers.com

A global company, Koppers is a leading integrated producer of carbon compounds and treated wood ... Koppers Acquires Cox Industrial ... Koppers, Inc.

www.koppers.com/pages/about-koppers

Koppers is an integrated global producer of carbon compounds, chemicals, ...

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Technical Support. Contact. Phthalic Anhydride Contact. Contact · Contact Us  ...

www.koppers.com/pages/careers

United States Careers. Search and apply for jobs at Koppers United States ...

www.bloomberg.com/research/stocks/private/snapshot.asp?privcapId=30595

Koppers Inc. company research & investing information. Find executives and the latest company news.

www.linkedin.com/company/koppers-inc.

Learn about working at Koppers Inc.. Join LinkedIn today for free. See who you know at Koppers Inc., leverage your professional network, and get hired.

www.koppersperformancechemicals.com

Koppers Perforamce Chemicals is the worldwide leader in Wood ... Koppers Performance Chemicals' MicroPro, Micronized Copper wood ... Koppers Inc.

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Customers come back to Koppers because they know they can depend on us for quality, timeliness and attention to detail. ... Koppers Inc. 2018 Annual Report.