Westlake WLK Business Segments
| Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | ||
|---|---|---|---|---|---|---|
| Other income, net by Business | ||||||
| Housing and Infrastructure Products Segment | $2M0.0% | $3M0.0% | $2M-66.7% | -$2M-112% | $2M-50.0% | |
| Performance and Essential Materials Segment | $9M0.0% | $34M-10.5% | $10M+66.7% | $4M-60.0% | $9M-18.2% | |
| Revenue by Product | ||||||
| Essential Materials | $656M-17.4% | $702M-5.3% | $737M-13.8% | $771M-7.8% | $794M+3.5% | |
| Housing Products | $788M-6.0% | $767M-6.2% | $928M-1.0% | $980M-3.0% | $838M-4.7% | |
| Infrastructure Products | $205M+29.7% | $134M-17.8% | $163M+1.2% | $180M-2.2% | $158M-4.2% | |
| Performance Materials | $1B-5.0% | $930M-17.0% | $1.01B-13.2% | $1.02B-13.2% | $1.06B-9.3% |
Chart any of these lines over time, or line them up against competitors.
Compare these in charts →Questions, answered.
- How does Westlake break its business down?
- Westlake (WLK) reports other income, net by business across 2 parts — Housing and Infrastructure Products Segment and Performance and Essential Materials Segment. Each is extracted from the segment footnotes and tracked over time.
- Where does Westlake's segment data come from?
- Segment breakdowns are pulled from the segment footnotes in Westlake's SEC filings (the XBRL dimensional tags), so every line ties back to a reported figure. Switch between quarterly, annual, and TTM, or open any segment for its full history.
