Westlake Corporation logo

Westlake Corporation

WLK | NYSE
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$69.37
+$1.09 (+1.60%)
Nov 2, 2026, 9:48 AM ET · Market open

Company Profile

Westlake Corporation operates as a global producer and supplier of petrochemicals, polymers, and a diverse range of building materials. Its business activities are structured into two main divisions: Performance and Essential Materials, and Housing and Infrastructure Products. The Performance and Essential Materials segment focuses on the manufacture and distribution of various chemical components, including polyethylene, styrene monomer, ethylene co-products, PVC, VCM, ethylene dichloride chlor-alkali, and related chlorinated derivatives. Concurrently, the Housing and Infrastructure Products division manufactures an extensive array of building and consumer goods. These offerings span residential PVC siding, trim, and moldings; roofing applications; decorative stone; windows; PVC decking; various PVC films for items like inflatables, wall coverings, tape, and roofing; polymer composite roof tiles; PVC pipe and fittings; and PVC compounds. This segment also produces consumer and commercial items such as landscape edging, industrial and home matting, marine dock edging, and masonry joint controls. Westlake's broad customer base includes chemical processors, plastics fabricators, smaller construction contractors, municipal entities, and supply warehouses. Their products are integrated into numerous consumer and industrial markets, such as residential construction, flexible and rigid packaging, automotive manufacturing, healthcare, water treatment, coatings, and a wide array of other durable and non-durable goods. Founded in 1986 and headquartered in Houston, Texas, the company adopted its current name, Westlake Corporation, in February 2022, having previously operated as Westlake Chemical Corporation. Westlake Corporation functions as a subsidiary of TTWF LP.

Key Executives

Name Position
Jean-Marc Gilson President, Chief Executive Officer & Director
Albert Yuan Chao Executive Chairman
Brian Powers Senior VP of Performance & Essential Materials Segment Head
James Y. Chao Senior Chairman
Jeffrey A. Holy Vice President of Finance & Investor Relations
Jonathan H. Baksht Senior VP & CFO
L. Benjamin Ederington Executive Vice President of Legal & External Affairs
Mark Steven Bender Special Advisor
Scott T. Szwejbka Senior Vice President of Housing & Infrastructure Products Segment Head
Tommy E. Darby Vice President & Chief Accounting Officer

Latest SEC Filings

Date Type Title
Sep 29, 2026 8-K Current Report
Sep 01, 2026 4 Filing
Aug 31, 2026 3 Filing
Aug 31, 2026 8-K Current Report
Aug 21, 2026 CERT Filing
Aug 21, 2026 8-A12B Filing
Aug 17, 2026 4 Filing
Aug 17, 2026 4 Filing
Aug 17, 2026 4 Filing
Aug 17, 2026 4 Filing
View All SEC Filings ➞
Westlake Corporation
Westlake Corporation logo
Country United States
IPO Date Aug 12, 2004
Industry Chemicals - Specialty
Sector Basic Materials
Employees 14,600
CEO Jean-Marc Gilson

Contact Details

2801 Post Oak Boulevard Houston, Texas 77056 United States

Stock Details

Ticker Symbol WLK
Exchange NYSE
Fiscal Year January - December
Reporting Currency USD
CIK Code 0001262823
CUSIP Number 960413102
ISIN Number US9604131022
SIC Code 2860

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