Westlake Pipe & Fittings, a division of Westlake Corporation (NYSE: WLK), is one of North America’s largest and most trusted manufacturers of PVC pipe and fittings. For more than 50 years, we’ve supported critical infrastructure with reliable products and unmatched expertise. With 23 manufacturing and distribution facilities across North America, we provide dependable supply and regional inventory to keep projects moving.

From municipal water and sewer to plumbing, electrical, water well, pool and spa, agriculture, irrigation, and beyond, our products serve a wide range of applications. As an industry innovator, we pioneered Certa-Lok® spline-lock technology and continue to advance PVC systems through ongoing product development. Backed by decades of experience, an expert sales force, and dedicated technical support, Westlake Pipe & Fittings is more than a manufacturer—we’re a trusted partner committed to helping every project succeed.

PVC (or polyvinyl chloride) is among the world’s most sustainable materials, making it the industry's modern pipe & fittings solution. In addition, PVC is:

• Long-lasting, with a design life of 100+ years
• Lightweight & cost-effective
• Non-toxic & corrosion resistant

As a leading manufacturer of PVC pipe and fittings, Westlake Pipe & Fittings is a trusted name in PVC systems. We deliver value through reliable performance, responsive service, and technical expertise. Backed by decades of field-tested experience, our products are engineered to deliver measurable results, including installation efficiency, long-term durability, and application versatility. We’d welcome the opportunity to discuss how our solutions might support your next project.