Westlake Chemical (NYSE: WLK) — Company Overview, News & Financial Data
Westlake Chemical manufactures basic chemicals and vinyls, focusing on sustainability and innovation across various industries globally.

Westlake Chemical
Westlake Chemical is a global manufacturer and supplier of petrochemicals, polymers, and building products. The company operates through two primary business segments: Performance and Essential Materials, and Housing and Infrastructure Products. Its portfolio includes polyethylene, vinyl intermediates, chlor-alkali products, epoxy resins, PVC pipe and fittings, vinyl siding, composite roofing, and architectural stone. These products serve diverse industries, including construction, packaging, automotive, healthcare, agriculture, and consumer goods. Headquartered in Houston, Texas, the company operates manufacturing facilities across North America, Europe, and Asia, delivering materials essential for infrastructure development, building products, and everyday consumer applications worldwide.
Snapshot
Operations
Products and/or services of Westlake Chemical
- Performance Materials: Production of polyvinyl chloride resins, ethylene, chlorine, caustic soda, and polyethylene resins manufactured across integrated facility clusters in North America and Europe for packaging, automotive, healthcare, and industrial applications.
- Housing and Infrastructure Products: Manufacturing of finished vinyl building materials including PVC pipe, fittings, siding, trim, shutters, composite roofing, and architectural stone distributed throughout North American residential and commercial construction markets.
- Chlor-Alkali and Vinyl Intermediates: Production of chlorine, caustic soda, ethylene dichloride, and vinyl chloride monomer used in water treatment, paper manufacturing, chemical processing, pharmaceuticals, and downstream vinyl synthesis across global facilities.
- Epoxy Resins and Coatings: Synthesis of high-performance epoxy resins, curing agents, and modifiers used in wind energy turbine blades, aerospace adhesives, automotive coatings, structural composites, and electronics encapsulation across global industrial sectors.
- Specialty Polyethylene Resins: Manufacturing of low-density and linear low-density polyethylene resins utilized in flexible food packaging films, medical device components, agricultural films, and industrial extrusion coatings across North American production units.
- Compounds and Recycled Materials: Production of engineered vinyl compounds, post-consumer recycled resins, and sustainable building products supplied to footwear, automotive interiors, consumer goods, appliance components, and eco-friendly construction applications worldwide.
Westlake Chemical executive team
- Mr. Albert Yuan ChaoExecutive Chairman
- Mr. James Y. ChaoSenior Chairman
- Mr. Jean-Marc GilsonPresident & CEO
- Mr. Mark Steven Bender CPAExecutive VP & CFO
- Mr. L. Benjamin Ederington J.D.Executive Vice President of Legal & External Affairs
- Mr. Robert F. BuesingerExecutive VP of Performance & Essential Materials Segment Head
- Mr. Jeffrey A. HolyVP & Chief Accounting Officer
- Mr. Scott T. SzwejbkaSenior VP of Housing & Infrastructure Products Segment Head