Westlake Chemical Partners LP is a manufacturer and supplier of petrochemicals, vinyls, polymers and building products. It focuses on offering ethylene co-products, including propylene, crude butadiene, pyrolysis gasoline, and hydrogen. Its offerings are used for a wide variety of consumer and industrial products, including food packaging, automotive products, coatings, pipes and residential construction materials. Westlake Chemical Partners LP is headquartered in Houston, Texas.