Westlake Chemical Corporation is an international manufacturer and supplier of petrochemicals, polymers and building products with headquarters in Houston, Texas. The company's range of products includes: ethylene, polyethylene, styrene, propylene, chlor-alkali and derivative products, PVC suspension and specialty resins, PVC Compounds, and PVC building products including siding, pipe, fittings and specialty components, windows, fence, deck and film.
