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Koppers Holdings Inc. (KOP) is a non-energy raw materials company in the combined advanced and basic chemical producers industry, based in Pittsburgh, United States, with about 1,859 full-time employees.
It reported revenue of $1.88 billion for fiscal year 2025, down 10.2% from fiscal year 2024, and net income of $56.00 million. Its largest business segment, Railroad and Utility Products and Services, brought in 46% of segment revenue in fiscal year 2025; United States was the largest region with 68%. Its market capitalization was $820.95 million as of October 9, 2026.
Figures from company filings and market data; latest fiscal year ended December 31, 2025; market data as of October 9, 2026.
Koppers Holdings Inc. provides treated wood products, wood preservation chemicals, and carbon compounds in the United States, Australasia, Europe, and internationally. It operates through three segments: Railroad and Utility Products and Services; Performance Chemicals; and Carbon Materials and Chemicals.
Koppers reported $1.88 billion in revenue for fiscal year 2025, down 10.2% from $2.09 billion in fiscal year 2024.
Railroad and Utility Products and Services, with $926.80 million or 46% of segment revenue in fiscal year 2025. Next: Performance Chemicals (29%) and Carbon Materials and Chemicals (25%).
United States: 68% of revenue by region in fiscal year 2025, followed by Australasia (13%).
$820.95 million as of October 9, 2026.
Listed companies of a similar size in the same industry (combined advanced and basic chemical producers) include Sasol Limited (SSL), Westlake Corporation (WLK).