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

Corporate & Financial Graphic

Westlake Strengthens Global Compounds Portfolio With Acquisition of ACI Compounding Solutions Business

Westlake Corporation (NYSE: WLK) (“Westlake”) announced today that it has completed the acquisition of the global compounding solutions businesses of the ACI/Perplastic Group (collectively, “ACI”). Headquartered in Portugal, ACI is a global manufacturer of specialty materials, primarily serving…

01/05/2026

Corporate & Financial Graphic

Westlake to Rationalize Certain North American Chlorovinyl and Styrene Assets

Westlake Corporation (NYSE: WLK) (“Westlake”) (the “Company”) announced today that the Company has approved a plan to cease operation of certain of the Company’s North American chlorovinyl production facilities, including: its polyvinyl chloride (“PVC”) plant at the Aberdeen, Mississippi site,…

12/15/2025

Sustainability Graphic

Westlake Announces Achievement of 2030 Emissions Target in 2024 Sustainability Report

Westlake Corporation (NYSE: WLK) today released its 2024 Sustainability Report , marking the company’s eighth consecutive annual update on its voluntary sustainability initiatives and ongoing operational improvements. The report highlights that Westlake has successfully met its target to reduce…

11/24/2025

Corporate and Financial Graphic

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

Corporate and Financial Graphic

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

NYSE: WLK

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