Westlake Corporation (WLK)

Westlake Corporation is a global manufacturer of petrochemicals, polymers, and building products, operating within the materials and chemicals sector. Headquartered in Houston, Texas, the company is led by CEO Jean-Marc Gilson and has built a vertically integrated business model that spans basic chemicals to finished construction materials. Westlake’s mission emphasizes cost leadership, operational efficiency, and disciplined expansion, positioning WLK stock as a cyclical materials play with defensive integration advantages.

The company’s core operations include the production of ethylene, polyethylene, PVC, and related downstream products used in packaging, construction, automotive, and consumer goods. Westlake’s building products segment manufactures pipe, fittings, siding, windows, and other infrastructure-related materials, benefiting from long-term demand for housing and infrastructure investment. Vertical integration allows Westlake to manage input cost volatility and maintain competitive margins across cycles. The company continues to expand capacity through organic investments and acquisitions, with a focus on sustainable materials and recycling technologies.

Westlake Corporation trades on the New York Stock Exchange under the ticker symbol WLK. WLK stock price is influenced by petrochemical spreads, construction activity, and energy market dynamics. Investors analyzing Westlake stock often consider its integration strategy and cash flow resilience across commodity cycles.