Company Insights
Published on
April 22, 2026

How Many People Work at Westlake? Headcount and Employee Trends

Total Employees
15540
7.2% from last year
0
New Hires (YTD)
29
5% of total workforce
Departments
19
650 in Engineering
Locations
175
5,012 in New York, NY
  • Westlake Corporation, headquartered in Houston, Texas, is a premier manufacturer and global supplier of petrochemicals, vinyls, polymers, and building products, producing approximately 40 billion pounds annually across 36 locations in North America, 11 in Europe, and 6 in Asia.
  • In April 2026, Westlake announced the appointment of Jonathan H. Baksht as the new Chief Financial Officer, effective June 15, 2026, succeeding M. Steven Bender, who will retire by year-end.
  • Westlake's products serve a diverse range of industries, including food packaging, automotive, coatings, and residential construction, highlighting its extensive customer base in essential sectors.
  • Sales teams should focus on Westlake's ideal buyers in the construction and manufacturing sectors, as the company aims to optimize performance and reduce costs, making them a valuable partner for businesses seeking reliable supply chains and innovative materials.

Westlake Headcount Breakdown by Department

Westlake's workforce is organized across 19 departments, with Operations leading at 657 employees, followed by Information Technology with 285 and Finance at 194. This distribution reflects a strong emphasis on operational efficiency and technological support, essential for the chemicals industry. The presence of specialized functions such as Engineering and Human Resources further enhances the company's functional balance, ensuring comprehensive support across various business needs.

Operations
657
Information Technology
285
Finance
194
Executive
127
Human Resources
76
Engineering
54
Sales
49
Marketing
46
Community And Social Services
43
Other
852

Westlake Employees by Location

The company's workforce is geographically diverse, with the largest concentration in Houston, TX, housing 556 employees, followed by Sulphur, LA, with 241. Other significant locations include Atlanta, GA, and Longview, TX, though a considerable portion of the workforce is categorized under 'Other' locations, indicating a distributed presence across 175 sites. This geographic distribution underscores Westlake's operational reach and flexibility in meeting market demands.

Houston, TX
556
Sulphur, LA
241
Atlanta, GA
67
Longview, TX
63
Calvert City, KY
24
Baton Rouge, LA
21
Westlake, LA
18
Columbus, OH
16
Lake Charles, LA
16
Other
1212
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