Railroad Treated Products was Koppers Holdings’s largest segment in fiscal 2025, bringing in $551.50M of $1.88B (29%).
| Segment | FY 2009 | FY 2010 | FY 2011 | FY 2012 | FY 2013 | FY 2014 | FY 2015 | FY 2016 | FY 2017 | FY 2019 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wood Preservative & Other Products | — | $671.60M | $651.60M | $543.80M | ||||||||||||
| Wood Preservative & Other Product | $579.90M | — | — | — | ||||||||||||
| Wood Preservative Products | — | — | — | — | ||||||||||||
| Railroad Treated Products | $457.40M | $540.90M | $564.30M | $551.50M | ||||||||||||
| Railroad Crossties | — | — | — | — | ||||||||||||
| Carbon Pitch | — | — | — | — | ||||||||||||
| Pitch & Related Products | $399.60M | $394.40M | $294.80M | $299.60M | ||||||||||||
| Utility Poles | $227.90M | $266.10M | $289.40M | $304.60M | ||||||||||||
| Creosote & Carbon Black Feedstock | — | — | — | — | ||||||||||||
| Other Products | — | — | — | — | ||||||||||||
| Phthalic Anhydride, Naphthalene & Other Chemicals | $148.40M | $112.00M | $122.80M | $51.60M | ||||||||||||
| Phthalic Anhydride | — | — | — | — | ||||||||||||
| Railroad Infrastructure Products & Services | $103.00M | $90.90M | $89.00M | $70.70M | ||||||||||||
| Phthalic Anhydride & Other Chemicals | — | — | — | — | ||||||||||||
| Carbon Black Feedstock & Distillates | $64.30M | $78.30M | $80.20M | $57.50M | ||||||||||||
| Creosote & Distillates | — | — | — | — | ||||||||||||
| Creosote | — | — | — | — | ||||||||||||
| Railroad Infrastructure Services | — | — | — | — | ||||||||||||
| Naphthalene | — | — | — | — | ||||||||||||
| Carbon Black | — | — | — | — | ||||||||||||
| Rail Joints | — | — | — | — | ||||||||||||
| Rail Joint Bars | — | — | — | — | ||||||||||||
| Total | $1.98B | $2.15B | $2.09B | $1.88B |
Koppers Holdings brought in $1.88B from its seven segments in fiscal 2025, the year ended December 31, 2025. That was down 10.2% from $2.09B in fiscal 2024. Railroad Treated Products was the largest at $551.50M (29.3%), ahead of Wood Preservative & Other Products at $543.80M (28.9%) and Utility Poles at $304.60M (16.2%). The other four segments brought in $479.40M combined.
Compared with fiscal 2024, Utility Poles grew fastest, up 5.3% to $304.60M, while Phthalic Anhydride, Naphthalene & Other Chemicals fell the most, down 58.0% to $51.60M.
Koppers Holdings began breaking out Wood Preservative & Other Products in fiscal 2023, when it brought in $671.60M. Koppers Holdings stopped reporting Wood Preservative & Other Product as a separate segment after fiscal 2022, when it brought in $579.90M.
United States was Koppers Holdings’s largest region in fiscal 2025, bringing in $1.28B of $1.88B (68%).
| Geography | FY 2009 | FY 2010 | FY 2011 | FY 2012 | FY 2013 | FY 2014 | FY 2015 | FY 2016 | FY 2017 | FY 2018 | FY 2019 | FY 2020 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| United States | $1.27B | $1.47B | $1.48B | $1.28B | |||||||||||||
| Non-U.S. Countries | — | — | — | — | |||||||||||||
| Australasia | — | $265.00M | $247.00M | $249.00M | |||||||||||||
| Australia | $283.00M | — | — | — | |||||||||||||
| Europe | $248.90M | $213.30M | $181.60M | $171.50M | |||||||||||||
| Other Countries | $177.50M | $207.80M | $187.90M | $177.90M | |||||||||||||
| Total | $1.98B | $2.15B | $2.09B | $1.88B |
Koppers Holdings brought in $1.88B from its four regions in fiscal 2025, the year ended December 31, 2025. That was down 10.2% from $2.09B in fiscal 2024. United States was the largest at $1.28B (68.2%), ahead of Australasia at $249.00M (13.2%) and Other Countries at $177.90M (9.5%). The remaining region, Europe, brought in $171.50M.
Compared with fiscal 2024, Australasia grew fastest, up 0.8% to $249.00M, while United States fell the most, down 13.2% to $1.28B.
Koppers Holdings began breaking out Australasia in fiscal 2023, when it brought in $265.00M. Koppers Holdings stopped reporting Australia as a separate region after fiscal 2022, when it brought in $283.00M.
Railroad & Utility Products And Services was Koppers Holdings’s largest segment in fiscal 2025, bringing in $551.50M of $1.50B (37%).
| Statement Business Segments | FY 2009 | FY 2010 | FY 2011 | FY 2012 | FY 2013 | FY 2021 | FY 2022 | FY 2023 | FY 2024 | FY 2025 |
|---|---|---|---|---|---|---|---|---|---|---|
| Performance Chemicals | $579.90M | -$28.90M | $651.60M | $543.80M | ||||||
| Railroad & Utility Products And Services | $457.40M | $540.90M | $564.30M | $551.50M | ||||||
| Carbon Materials & Chemicals | $399.60M | $584.70M | $497.80M | $408.70M | ||||||
| Carbon Materials &Amp; Chemicals | — | — | — | — | ||||||
| Carbon Materials Chemicals | — | — | — | — | ||||||
| Railroad &Amp; Utility Products | — | — | — | — | ||||||
| Railroad Utility Products | — | — | — | — | ||||||
| Total | $1.44B | $1.10B | $1.71B | $1.50B |
Koppers Holdings brought in $1.50B from its three segments in fiscal 2025, the year ended December 31, 2025. That is less than the $1.88B it reports by segment, so these segments do not cover all of its revenue. Railroad & Utility Products And Services was the largest at $551.50M (36.7%), ahead of Performance Chemicals at $543.80M (36.2%) and Carbon Materials & Chemicals at $408.70M (27.2%).
Compared with fiscal 2024, every segment above 2% of revenue shrank. Railroad & Utility Products And Services held up best, down 2.3% to $551.50M, and Carbon Materials & Chemicals fell the most, down 17.9% to $408.70M.
Koppers Holdings (KOP) reports its revenue by segment, by geography and by statement business segments. In fiscal 2025, Railroad Treated Products was its largest segment, bringing in $551.50M (29.3% of the total), followed by Wood Preservative & Other Products at $543.80M (28.9%).
Railroad Treated Products was Koppers Holdings' largest segment in fiscal 2025, bringing in $551.50M, or 29.3% of the $1.88B total across its seven segments.
United States was Koppers Holdings' largest region in fiscal 2025, bringing in $1.28B, or 68.2% of the $1.88B total across its four regions.
Among Koppers Holdings' segments that make up at least 2% of revenue, Utility Poles grew fastest in fiscal 2025, up 5.3% from $289.40M to $304.60M.
Every figure comes from Koppers Holdings' annual financial filings, as reported. Each line keeps the name Koppers Holdings gives it, and years follow its fiscal calendar.
Koppers Holdings' revenue by segment goes back to fiscal 2009, with figures through fiscal 2025. The latest four fiscal years are free to view, and the full history is available with a Business Quant subscription.