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Koppers Named To Newsweek 'America's Most Responsible Companies' Listing
Summary
Sixth Consecutive Year of Recognition PITTSBURGH, Dec. 16, 2025 /PRNewswire/ -- Koppers Holdings Inc. (NYSE: KOP), an integrated global provider of treated wood products, wood treatment chemicals and carbon compounds, has been named as one of America's Most Responsible Companies by...
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Read Full ArticleArticle published on December 16, 2025 by prnewswire