Our Companies

Our Companies

Westlake Chemical has multiple companies located throughout North America, Europe and Asia.  Our group of companies are organized into our two business segments comprised of Olefins and Vinyls, and further show our integration throughout the value chain. 


About Us

Huasu

Suzhou Huasu Plastics Co., Ltd (Hausu) is a leader in the PVC industry located in China.  Huasu is a reliable manufacturer and supplier of PVC resin and other related products that can be applied to roof membrane, residential decoration, pool liners, inflatable products, automotive, stationery, insulation tapes, medical care, labels and packaging.  For additional information, visit www.huasugroup.com.


About Us
 

North American Pipe Corporation

North American Pipe Corporation, which includes North American Specialty Products, is the second largest polyvinyl chloride (PVC) pipe manufacturer in the U.S. servicing multiple unique markets including municipal water and sewer, residential plumbing, irrigation, agricultural and consumer Do-It-Yourself (DIY).   NAPCO also offers a broad range of standard and specialty piping, including brands such as Certa-Lok®, Yelomine™, Certa-Set®, Certa-Com™, CertaFlo™, Form-A-Drain® and CertaForm®.   For additional information, visit www.northamericanpipe.com.


About Us

Royal Building Products

Royal Building Products manufactures and distributes leading materials for the home remodeling, building and municipal construction markets. For more than 40 years, the company’s commitment to quality, innovation and customer relationships has attracted the loyalty of a growing number of building professionals, homeowners, architects, engineers and distributors to its products. With operations throughout Canada and the United States, Royal Building Products offers the renovation, remodeling and new construction industries a broad range of innovative products including siding, trim, accessories, soffit, rainware, mouldings and decking. Royal Building Products also manufactures pipe and fittings for the electrical, municipal, irrigation, plumbing and industrial construction industries. For more information, please visit www.royalbuildingproducts.com.


About Us

Vinnolit

Vinnolit is one of the leading PVC producers in Europe and, worldwide, is the market and technical leader in specialty PVC.  Vinnolit produces and markets a wide range of PVC products covering all kinds of PVC applications, e.g. in the building and construction sector, automobile industry or medical sector.  Whether the PVC is for flooring, wall covering, window profiles, pipes, rigid film, technical coatings, automotive sealants, cable sheathing or medical applications, Vinnolit is able to offer a suitable solution for all demands.  Additionally Vinnolit produces and markets intermediates such as caustic soda, vinyl chloride and tin tetrachloride.  Vinnolit is managed from Ismaning, near Munich and has production sites in Burghausen, Gendorf, Knapsack, Cologne, Schkopau in Germany and also in Hillhouse, United Kingdom.  For additional information, visit www.vinnolit.com.


About Us

Westech

Westech Building Products is a leading producer of fence, deck, rail, siding, window and door profiles servicing North America and export markets. It is also the manufacturer for TruGrain made with Resysta.  For additional information, visit www.westechbp.com.


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Westlake Chemical Partners

Westlake Chemical Partners is a limited partnership formed by Westlake Chemical Corporation to operate, acquire and develop facilities for the processing of natural gas liquids as well as other qualifying activities. Headquartered in Houston, TX, the Partnership owns a 13.3% interest in Westlake Chemical OpCo LP. Westlake Chemical OpCo LP’s assets include three facilities in Calvert City, Kentucky, and Lake Charles, Louisiana which process ethane and propane into ethylene, and an ethylene pipeline.  For additional information, visit www.wlkpartners.com.

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