United States was Westlake’s largest region in fiscal 2025, bringing in $7.95B of $11.17B (71%).
| 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 | $10.90B | $8.96B | $8.75B | $7.95B | |||||||||||||
| Other | $1.75B | $1.26B | $1.20B | $1.08B | |||||||||||||
| Other Foreign Countries | — | — | — | — | |||||||||||||
| Canada | $1.05B | $808.00M | $792.00M | $777.00M | |||||||||||||
| Germany | $875.00M | $602.00M | $594.00M | $583.00M | |||||||||||||
| Foreign | — | — | — | — | |||||||||||||
| Mexico | $228.00M | $217.00M | $206.00M | $194.00M | |||||||||||||
| Brazil | $353.00M | $215.00M | $142.00M | $153.00M | |||||||||||||
| China | $262.00M | $220.00M | $195.00M | $162.00M | |||||||||||||
| Italy | $200.00M | $135.00M | $145.00M | $144.00M | |||||||||||||
| France | $172.00M | $138.00M | $120.00M | $125.00M | |||||||||||||
| Taiwan | — | — | — | — | |||||||||||||
| Taiwan, Province Of China | — | — | — | — | |||||||||||||
| Switzerland | — | — | — | — | |||||||||||||
| Belgium | — | — | — | — | |||||||||||||
| Total | $15.79B | $12.55B | $12.14B | $11.17B |
Westlake brought in $11.17B from its nine regions in fiscal 2025, the year ended December 31, 2025. That was down 8.0% from $12.14B in fiscal 2024. United States was the largest at $7.95B (71.2%), ahead of Other at $1.08B (9.7%) and Canada at $777.00M (7.0%). The other six regions brought in $1.36B combined.
Compared with fiscal 2024, every region above 2% of revenue shrank. Germany held up best, down 1.9% to $583.00M, and Other fell the most, down 9.9% to $1.08B. From fiscal 2022 to 2025, combined revenue from these regions fell from $15.79B to $11.17B, a compound annual decline of 10.9%. United States' share of the total rose from 69.0% to 71.2%.
Performance Materials was Westlake’s largest product and service line in fiscal 2025, bringing in $4.02B of $11.17B (36%).
| Product and Service | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Performance Materials | $6.96B | $4.66B | $4.63B | $4.02B | |||||||||||||
| Essential Materials | $4.04B | $3.68B | $3.20B | $3.00B | |||||||||||||
| Housing Products | $3.86B | $3.49B | $3.64B | $3.51B | |||||||||||||
| Pvc, Caustic Soda & Other | — | — | — | — | |||||||||||||
| Polyethylene | — | — | — | — | |||||||||||||
| Ethylene, Styrene & Other | — | — | — | — | |||||||||||||
| Infrastructure Products | $922.00M | $718.00M | $673.00M | $635.00M | |||||||||||||
| Building Products | — | — | — | — | |||||||||||||
| Styrene, Feedstock & Other | — | — | — | — | |||||||||||||
| Total | $15.79B | $12.55B | $12.14B | $11.17B |
Westlake brought in $11.17B from its four product and service lines in fiscal 2025, the year ended December 31, 2025. That was down 8.0% from $12.14B in fiscal 2024. Performance Materials was the largest at $4.02B (36.0%), ahead of Housing Products at $3.51B (31.5%) and Essential Materials at $3.00B (26.9%). The remaining line, Infrastructure Products, brought in $635.00M.
Compared with fiscal 2024, every line above 2% of revenue shrank. Housing Products held up best, down 3.6% to $3.51B, and Performance Materials fell the most, down 13.1% to $4.02B. From fiscal 2022 to 2025, combined revenue from these lines fell from $15.79B to $11.17B, a compound annual decline of 10.9%. Performance Materials' share of the total fell from 44.1% to 36.0%.
Performance & Essential Materials was Westlake’s largest segment in fiscal 2025, bringing in $7.02B of $11.17B (63%).
| Segment | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Performance & Essential Materials | $11.01B | $8.34B | $7.83B | $7.02B | |||||||||||||
| Housing & Infrastructure Products | $4.79B | $4.21B | $4.32B | $4.15B | |||||||||||||
| Vinyls | — | — | — | — | |||||||||||||
| Olefins | — | — | — | — | |||||||||||||
| Total | $15.79B | $12.55B | $12.14B | $11.17B |
Westlake brought in $11.17B from its two segments in fiscal 2025, the year ended December 31, 2025. That was down 8.0% from $12.14B in fiscal 2024. Performance & Essential Materials was the largest at $7.02B (62.9%), ahead of Housing & Infrastructure Products at $4.15B (37.1%).
Compared with fiscal 2024, Housing & Infrastructure Products fell 3.9% to $4.15B and Performance & Essential Materials fell 10.3% to $7.02B. From fiscal 2022 to 2025, combined revenue from these segments fell from $15.79B to $11.17B, a compound annual decline of 10.9%. Performance & Essential Materials' share of the total fell from 69.7% to 62.9%.
Westlake (WLK) reports its revenue by geography, by product and service and by segment. In fiscal 2025, United States was its largest region, bringing in $7.95B (71.2% of the total), followed by Other at $1.08B (9.7%).
United States was Westlake's largest region in fiscal 2025, bringing in $7.95B, or 71.2% of the $11.17B total across its nine regions.
Performance Materials was Westlake's largest product and service line in fiscal 2025, bringing in $4.02B, or 36.0% of the $11.17B total across its four product and service lines.
Performance & Essential Materials was Westlake's largest segment in fiscal 2025, bringing in $7.02B, or 62.9% of the $11.17B total across its two segments.
Every figure comes from Westlake's annual financial filings, as reported. Each line keeps the name Westlake gives it, and years follow its fiscal calendar.
Westlake's revenue by geography 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.