About

Westlake Chemical Corporation is an international manufacturer and supplier of petrochemicals, polymers and building products with its headquarters in Houston. Highly integrated along our olefins and vinyls product chains, the company produces: ethylene; polyethylene; propylene; styrene; chlor-alkali and derivative products; PVC suspension and specialty resins; PVC compounds; building products including pipe, fittings and specialty components, decking, roofing, siding, trim and molding, and window lineals; and PVC film.