Houston-based Westlake Corporation, a subsidiary of TTWF LP, specializes in manufacturing and marketing essential materials, housing and infrastructure products. The company operates globally, serving various consumer and industrial markets, including automotive and healthcare products, water treatment, wind turbines, coatings, and flexible and rigid packaging. The Performance and Essential Materials segment produces a range of products such as polyethylene, styrene monomer, PVC, epoxy resins, and several chlorinated derivative products. Meanwhile, the Housing and Infrastructure Products segment offers residential PVC siding, windows, composite and cement roof tiles, PVC pipes and fittings, masonry joint controls, and various consumer and commercial products. The company changed its name from Westlake Chemical Corporation to Westlake Corporation in February 2022.