Westlake Corporation | Global Diversified Industrial Company

Ethylene and Styrene

From medical devices to food packaging and auto parts, our ethylene and styrene materials power everyday essentials.

Polyethylene Materials

Trash bags, food-safe films, carpeting, and adhesives—our polyethylene materials shape countless household and industrial products.

Powering wind turbines, electric vehicles, aerospace, and durable consumer coatings with advanced specialty resins, coatings, and composites.

Vinyls & PVC Resin

Our PVC and vinyl chloride monomer offer sustainable alternatives to glass, metal, and wood for modern applications.

GreenVin PVC & Caustic Soda

The Vinnolit GreenVin® brand is based on high-quality renewable energy certificates (Guarantees of Origin / GOs) associated with the production of the lower-carbon PVC and caustic soda.

Chlorine & Caustic Soda

From aluminum production to water treatment, our chlor-alkali & derivatives are the backbone of key manufacturing processes.

Housing & Infrastructure Products

Our materials create durable siding, trim, roofing, stone, windows, and outdoor living building products.

PVC Pipe & Fittings

Our PVC pipe and fittings support water and electrical systems accross North America.

Our global compounds can be found in electrical wiring, household fixtures, food-grade bottles, auto trim, and beyond.

Recycled Plastic Materials

Our post-industrial recycled materials help create sustainable products like landscape edging, marine dock edging, and office matting.

Fast Facts

Westlake Corporation is a global manufacturer and supplier of materials and innovative products that enhance life every day. We provide the building blocks for vital solutions — from packaging and healthcare products to automotive and consumer goods to building and construction products.

Total
Employment:

Approx. 16,000
(year-end 2024)

worker

Net Sales
(2024):

$12.1 billion

News & Stories

Westlake Corporation Declares Quarterly Dividend

$0.53 per share dividend declared payable on December 11, 2025 The Board of Directors of Westlake Corporation (NYSE: WLK) today declared a regular dividend distribution of $0.53 per share for the third quarter of 2025. This dividend will be payable on December 11, 2025 to stockholders of record…

11/14/2025

Westlake Corporation Announces Results of Cash Tender Offer for Its 3.600% Senior Notes Due 2026

Westlake Corporation (NYSE: WLK) (“Westlake”) today announced the expiration and results of its cash tender offer to purchase (the “Offer”) any and all of the outstanding 3.600% Senior Notes due 2026 (the “Notes”). The tender offer described herein was made on the terms and subject to the…

11/10/2025

Westlake Corporation Announces Pricing of Cash Tender Offer for Its 3.600% Senior Notes Due 2026

Westlake Corporation (NYSE: WLK) (“Westlake”) today announced the pricing of its cash tender offer to purchase (the “Offer”) any and all of the outstanding 3.600% Senior Notes due 2026 (the “Notes”) on the terms set forth in the table below. The table below sets forth the applicable Reference…

11/10/2025

Sustainability Graphic

Westlake Polyethylene Achieves ISCC PLUS Certification at Sulphur, Louisiana Site

Westlake Corporation (NYSE: WLK) announced that Westlake Polyethylene’s LDPE Sulphur, Louisiana manufacturing site has attained the globally-recognized International Sustainability & Carbon Certification (ISCC) PLUS certification. This achievement includes mass balance certification,…

11/06/2025

Corporate & Financial Graphic

Westlake Announces Pricing of $1.2 Billion Offering of Senior Notes

Westlake Corporation (NYSE: WLK) (“Westlake”) announced today that it has priced its previously announced underwritten public offering of $600,000,000 aggregate principal amount of senior unsecured notes due 2035 (the “2035 Notes”) and $600,000,000 aggregate principal amount of senior unsecured…

11/04/2025

Westlake Corporation

NYSE: WLK

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