Company profile
Westlake Corporation
NYSE: WLK · Basic Materials · Chemicals - Specialty
#20 of 1,151 Basic Materials companies by revenue32nd-percentile growth
EA Score
64CFH 50DQ 90GM 40SS 92
v0.1 · 65/100 weight · provisional
↑ market scale, disclosure history · ↓ 3-yr revenue growth, revenue growth (YoY)
Methodology →Revenue TTM
$11.0B
Rev growth YoY (TTM)
-8.6%
Net income (FY)
-$1.5B
Employees
14,600
as of 2026-08-06
Market cap
$10.1B
as of 2026-08-06
Financials — latest annual
SEC EDGAR · USD-normalizedConceptUSDNativeFY
Revenue$11.2B$11.2B2025
Net income-$1.5B-$1.5B2025
Operating income-$1.6B-$1.6B2025
Total assets$20.0B$20.0B2025
Liabilities$10.7B$10.7B2025
Equity$8.8B$8.8B2025
Revenue trend
FY2020 – FY2025 · USD
FY20
FY20
FY20
FY21
FY22
FY23
FY24
FY25
Revenue by segment
Filed disclosures · FY2025
By product
Performance and Essential Materials63%
Housing and Infrastructure Products37%
By geography
UNITED STATES71%
Other Foreign Countries10%
CANADA7%
GERMANY5%
MEXICO2%
CHINA1%
The read
What is Westlake Corporation’s revenue?
Westlake Corporation booked $11.2B in FY2025 revenue, contracting 8.0% year over year — slower than 68% of Basic Materials companies we track, at a -13.5% net margin.
Peers · Basic Materials
Alcoa Corporation77B+The Mosaic Company61CAir Products and Chemicals, Inc.75B+International Flavors & Fragrances Inc.64COwens Corning68BCelanese Corporation67BNeighbors
Harris →Key facts
CEOJean-Marc Gilson
SectorBasic Materials
IndustryChemicals - Specialty
HeadquartersHouston, TX
ExchangeNYSE: WLK
Employees14,600
IPO date2004-08-12
Financials: SEC EDGAR (XBRL), USD-normalized per IAS 21 · TTM/quarterly + segments: FMP from filed disclosures · Filings: EDGAR submissions. County headcount and EA Score are in progress — see docs/DATA_GAPS.md.