Westlake WLK Business Segments
| TTM Q1 '26 | TTM Q4 '25 | TTM Q3 '25 | TTM Q2 '25 | TTM Q1 '25 | ||
|---|---|---|---|---|---|---|
| Other income, net by Business | ||||||
| Housing and Infrastructure Products Segment | $5M0.0% | $5M0.0% | $5M-44.4% | $9M-67.9% | $28M-6.7% | |
| Performance and Essential Materials Segment | $57M0.0% | $57M-6.6% | $61M+7.0% | $57M-9.5% | $63M-3.1% | |
| Revenue by Product | ||||||
| Essential Materials | $2.87B-4.6% | $3B-1.3% | $3.04B-3.7% | $3.16B-2.0% | $3.23B+0.8% | |
| Housing Products | $3.46B-1.4% | $3.51B-1.4% | $3.56B-0.3% | $3.57B-0.8% | $3.6B-1.1% | |
| Infrastructure Products | $682M+7.4% | $635M-4.4% | $664M+0.3% | $662M-0.6% | $666M-1.0% | |
| Performance Materials | $3.97B-1.3% | $4.02B-4.5% | $4.21B-3.5% | $4.36B-3.4% | $4.52B-2.3% |
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.
