Provides Access to Growth Markets in Texas, Midwest PITTSBURGH, June 6, 2024 /PRNewswire/ -- Koppers Holdings Inc. (NYSE: KOP), an integrated global provider of treated wood products, wood treatment chemicals, and carbon compounds, today announced that Koppers Utility and Industrial Products Inc. (UIP), a wholly owned subsidiary of Koppers Holdings, held a ribbon cutting ceremony in conjunction with the Leesville Parish Chamber of Commerce to celebrate Koppers utility pole peeling and drying facility in Lee ...