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 .
A global company, Koppers is a leading integrated producer of carbon compounds and treated wood products for the ... Read Koppers Inc. 2017 Annual Report ...
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Koppers is an integrated global producer of carbon compounds, chemicals, ...
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Koppers Inc. engages in the production and sale of carbon compounds, wood preservation chemicals, and treated wood products for use in railroad, specialty ...
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Koppers Q3 2018 Earnings Call Presentation ... Koppers Inc. 2017 Annual Report ... Koppers Holdings Inc. Schedules Fourth Quarter 2018 Conference Call .