Company data
Westlake Corporation employees and revenue per employee
WLK · Chemicals - Specialty · $8.14B market cap
Westlake Corporation had 14,600 employees at the end of fiscal Dec 2025, down 6.0% from a year earlier. Revenue for the year was $11.2B, down 8.0% from a year earlier, or $765K per employee. Revenue fell, and headcount fell or held flat with it.
Employees
14,600
-6.0% YoY
Revenue
$11.2B
-8.0% YoY
Revenue / employee
$765K
Peer median $612K
Rank in industry
5 of 14
Chemicals - Specialty
Headcount against revenue
Both lines start at 100 in the first year we hold, so you can see which one grew faster.
Hover a year for the numbers.
| Year ending | Employees | Revenue | Per employee | Staff YoY | Revenue YoY |
|---|---|---|---|---|---|
| Dec 2025 | 14,600 | $11.2B | $765K | -6.0% | -8.0% |
| Dec 2024 | 15,540 | $12.1B | $781K | +0.1% | -3.2% |
| Dec 2023 | 15,520 | $12.5B | $809K | -2.5% | -20.6% |
| Dec 2022 | 15,920 | $15.8B | $992K | +9.4% | +34.1% |
| Dec 2021 | 14,550 | $11.8B | $809K | +57.8% | +57.0% |
| Dec 2020 | 9,220 | $7.50B | $814K | -2.2% | -7.6% |
| Dec 2019 | 9,430 | $8.12B | $861K | +6.3% | -6.0% |
| Dec 2018 | 8,870 | $8.63B | $974K | +0.8% | +7.4% |
| Dec 2017 | 8,800 | $8.04B | $914K | -0.8% | +58.4% |
| Dec 2016 | 8,870 | $5.08B | $572K | — | — |
Open roles: we have not matched a verified job board for this company yet.
Westlake Corporation against similar companies
The closest industry peers by revenue, from Chemicals - Specialty.
| Company | Employees | Revenue | Revenue / employee | Shape |
|---|---|---|---|---|
| IFF International Flavors & Fragrances Inc. | 3,000 | $10.9B | $3.63M | Contracting |
| WLK Westlake Corporation | 14,600 | $11.2B | $765K | Contracting |
| EMN Eastman Chemical Company | 13,000 | $8.75B | $673K | Contracting |
| ALB Albemarle Corporation | 7,800 | $5.14B | $659K | Contracting |
| APD Air Products and Chemicals, Inc. | 21,300 | $12.0B | $565K | Contracting |
| RPM RPM International Inc. | 17,546 | $7.86B | $448K | Leaner |
| SHW The Sherwin-Williams Company | 64,249 | $23.6B | $367K | Efficient growth |
| PPG PPG Industries, Inc. | 43,500 | $15.9B | $365K | Leaner |
| ECL Ecolab Inc. | 48,000 | $16.1B | $335K | Leaner |
Questions about Westlake Corporation
- How many employees does Westlake Corporation have?
- Westlake Corporation reported 14,600 employees for the fiscal year ending Dec 2025, in the annual report it filed on February 26, 2026. That is down 6.0% from a year earlier.
- What is Westlake Corporation's revenue per employee?
- Westlake Corporation brought in $11.2B of revenue in fiscal Dec 2025, which is $765K per employee. That ranks 5 of 14 companies we track in Chemicals - Specialty, where the median is $612K.
- Where do these numbers come from?
- Employee counts and revenue are taken from each company's own annual report (Form 10-K). Open roles are counted from the company's public job board where we have matched one. Companies report headcount once a year, sometimes rounded, so small changes can be noise.
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Source: employee counts and revenue as stated in Westlake Corporation's annual reports (Form 10-K), latest filed February 26, 2026. This is data, not a recommendation to buy or sell WLK.