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.

Building Products

Our siding, trim, roofing, stone, windows, and outdoor living products are trusted by homeowners & pros for any home style and budget.

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 Chemical Partners Announce Fourth Quarter and Full Year Earnings for 2025 Conference Call

Westlake Chemical Partners (NYSE: WLKP) will release its fourth quarter and full year 2025 earnings prior to the market opening on Tuesday, February 24, 2026. The company will host a conference call at 1:00 p.m. Eastern Time (12:00 p.m. Central Time) on the same day to discuss the earnings…

02/10/2026

Corporate & Financial Graphic

Westlake Announces Fourth Quarter and Full Year Earnings for 2025 Conference Call

Westlake Corporation (NYSE: WLK) will release its fourth quarter and full year 2025 earnings prior to the market opening on Tuesday, February 24, 2026. The company will host a conference call at 11:00 a.m. Eastern Time (10:00 a.m. Central Time) on the same day to discuss the earnings release. To…

02/10/2026

Corporate & Financial Graphic

Westlake Chemical Partners LP Announces Fourth Quarter 2025 Distribution

$0.4714 per unit distribution declared payable on February 23, 2026 The Board of Directors of Westlake Chemical Partners GP LLC, the general partner of Westlake Chemical Partners LP (the "Partnership") (NYSE:WLKP), has declared a distribution of $0.4714 per unit. This is the 46th quarterly…

01/27/2026

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

Westlake Corporation

NYSE: WLK

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