Westech is part of Westlake Chemical Corporation’s polyvinyl chloride (PVC) fence, decking, railing extrusions, and custom window and door profiles. Westech has climbed to the top of the industry, this well-deserved reputation being earned through strong leadership, vertical integration and a commitment to engineering and manufacturing practices that exceed regulatory approvals and industry standards. With facilities in the United States and Canada, Westech is positioned to serve the entire North American marketplace, Including Mexico. Westech also serves customers in Central and South America, Africa and Eastern Europe.