Westlake Corporation (NYSE: WLK) is a diversified industrial company that manufactures essential chemicals, polymers, and building products. The company operates through two primary segments. The Performance and Essential Materials (PEM) segment, which accounted for approximately 64% of total revenue in 2024, produces fundamental chemicals and plastics such as polyethylene, PVC, VCM, chlor-alkali, and epoxy resins. These materials serve as critical inputs for the packaging, automotive, healthcare, and water treatment industries. The Housing and Infrastructure Products (HIP) segment, contributing the remaining 36% of revenue, manufactures finished building materials including residential siding, roofing, windows, PVC pipe and fittings, and decorative stone. Westlake leverages a vertically integrated business model and a globally advantaged North American feedstock position to maintain its competitive edge. While the company has a global footprint with operations in North America, Europe, and Asia, the majority of its revenue is generated in the United States. The founding Chao family maintains significant ownership and influence over the company's strategic direction.
