Westlake Chemical Corporation
Statements
Segments
US companies must disclose in their mandatory reports how revenue breaks down across business segments, regions and product lines. We read that breakdown for you straight from the annual and quarterly reports (10-K and 10-Q) of Westlake Chemical Corporation (WLK). It shows which part of the business is growing — and which one is holding it back.
Revenue by business segment
| Segment | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Performance and Essential Materials | $5.47B 72.8% | $8.67B 73.6% · +58.6% | $11.01B 69.7% · +27.0% | $8.34B 66.4% · -24.3% | $7.83B 64.4% · -6.1% | $7.02B 62.9% · -10.3% |
| Housing and Infrastructure Products | $2.04B 27.2% | $3.11B 26.4% · +52.4% | $4.79B 30.3% · +54.0% | $4.21B 33.6% · -12.0% | $4.32B 35.6% · +2.5% | $4.15B 37.1% · -3.9% |
Large figure: segment revenue. Below it the share of revenue in that period and the change against the prior year.
| Segment | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| Performance and Essential Materials | $231.0M 4.2% | $2.55B 29.4% | $2.42B 21.9% | $59.0M 0.7% | $129.0M 1.6% | -$2.10B -29.9% |
| Housing and Infrastructure Products | $256.0M 12.6% | $356.0M 11.5% | $675.0M 14.1% | $710.0M 16.9% | $807.0M 18.7% | $587.0M 14.2% |
Large figure: segment operating income. Below it the margin, that is operating income measured against the revenue of the same segment.
Revenue by region
| Segment | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|---|---|
| United States | $5.10B 68.0% | $8.16B 69.3% · +59.9% | $10.90B 69.0% · +33.6% | $8.96B 71.4% · -17.8% | $8.75B 72.1% · -2.3% | $7.95B 71.2% · -9.1% |
| Other | $1.00B 13.3% | $1.23B 10.4% · +23.2% | $1.75B 11.1% · +43.1% | $1.26B 10.0% · -28.3% | $1.20B 9.9% · -4.8% | $1.08B 9.7% · -9.9% |
| Canada | $601.0M 8.0% | $980.0M 8.3% · +63.1% | $1.05B 6.7% · +7.2% | $808.0M 6.4% · -23.1% | $792.0M 6.5% · -2.0% | $777.0M 7.0% · -1.9% |
| Germany | $458.0M 6.1% | $628.0M 5.3% · +37.1% | $875.0M 5.5% · +39.3% | $602.0M 4.8% · -31.2% | $594.0M 4.9% · -1.3% | $583.0M 5.2% · -1.9% |
| Mexico | – | $149.0M 1.3% | $228.0M 1.4% · +53.0% | $217.0M 1.7% · -4.8% | $206.0M 1.7% · -5.1% | $194.0M 1.7% · -5.8% |
| China | $173.0M 2.3% | $216.0M 1.8% · +24.9% | $262.0M 1.7% · +21.3% | $220.0M 1.8% · -16.0% | $195.0M 1.6% · -11.4% | $162.0M 1.5% · -16.9% |
| Brazil | – | $141.0M 1.2% | $353.0M 2.2% · +150.4% | $215.0M 1.7% · -39.1% | $142.0M 1.2% · -34.0% | $153.0M 1.4% · +7.7% |
| Italy | $103.0M 1.4% | $181.0M 1.5% · +75.7% | $200.0M 1.3% · +10.5% | $135.0M 1.1% · -32.5% | $145.0M 1.2% · +7.4% | $144.0M 1.3% · -0.7% |
| France | – | $100.0M 0.8% | $172.0M 1.1% · +72.0% | $138.0M 1.1% · -19.8% | $120.0M 1.0% · -13.0% | $125.0M 1.1% · +4.2% |
| Taiwan | $74.0M 1.0% | – | – | – | – | – |
Large figure: segment revenue. Below it the share of revenue in that period and the change against the prior year.
Segment and region names are the ones the company itself uses and are shown as reported. Change and share refer to revenue.
Data as of: August 11, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q) · Segment figures: SEC EDGAR (10-K/10-Q reports)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.