Westlake WLK Business Segments
| Q1 '26 | Q4 '25 | Q3 '25 | Q2 '25 | Q1 '25 | ||
|---|---|---|---|---|---|---|
| Other income, net by Business | ||||||
| Housing and Infrastructure Products Segment | $2M-33.3% | $3M+50.0% | $2M+200% | -$2M-200% | $2M-33.3% | |
| Performance and Essential Materials Segment | $9M-73.5% | $34M+240% | $10M+150% | $4M-55.6% | $9M-76.3% | |
| Revenue by Product | ||||||
| Essential Materials | $656M-6.6% | $702M-4.7% | $737M-4.4% | $771M-2.9% | $794M+7.2% | |
| Housing Products | $788M+2.7% | $767M-17.3% | $928M-5.3% | $980M+16.9% | $838M+2.4% | |
| Infrastructure Products | $205M+53.0% | $134M-17.8% | $163M-9.4% | $180M+13.9% | $158M-3.1% | |
| Performance Materials | $1B+7.8% | $930M-7.9% | $1.01B-1.2% | $1.02B-3.2% | $1.06B-5.8% |
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.
