Westlake Corporation is a vertically integrated global manufacturer and marketer of housing, infrastructure, and chemical products, organized into two segments: Housing and Infrastructure Products (building materials, pipe and fittings, and polymer compounds) and Performance and Essential Materials (polyvinyl chloride, vinyl chloride monomer, polyethylene, and epoxy resins). The company serves diverse markets including residential construction, packaging, automotive, coatings, and industrial applications, selling to chemical processors, plastics fabricators, construction contractors, and distributors across North America, Europe, and Asia. Revenue is generated through the sale of manufactured chemical products and building materials, with earnings influenced by commodity price cycles, construction activity levels, petrochemical industry cycles, and global supply-demand dynamics.