Westlake

Westlake is a global diversified industrial manufacturer of petrochemicals, polymers, and building products. The enterprise manufactures essential chemical commodities including polyvinyl chloride, polyethylene, chlor-alkali, and caustic soda alongside finished architectural building materials like vinyl siding, pipe, and composite roofing. Through vertical integration and domestic manufacturing capacity, Westlake supplies fundamental building blocks for residential construction, consumer packaging, and automotive industries across the US and globally.