Westlake is a global diversified industrial company that manufactures and supplies essential products across the housing and infrastructure, packaging and healthcare, and automotive and consumer goods markets.

The Westlake Performance & Essential Materials business segment includes polyethylene and vinyl chemicals production, which are vital to the manufacturing of polymers used in an extensive range of sectors and applications. The business units in this segment include: Westlake North American Vinyls; Westlake North American Chlor-alkali & Derivatives; Westlake European & Asian Chlorovinyls; Westlake Olefins; Westlake Polyethylene; and Westlake Epoxy, which produces coatings and composites.