Westlake Chemical Partners (WCP) is a limited partnership formed by basic chemical manufacturer Westlake Chemical to operate, acquire, and develop ethylene production facilities and related assets. WCP's business and operations are conducted through Westlake Chemical OpCo, a partnership between Westlake and WCP. WCP owns Westlake Chemical OpCo's general partner and controls Westlake Chemical OpCo’s assets and operations: three ethylene production facilities, which convert primarily ethane into ethylene (with an aggregate annual capacity of approximately 3.4 billion pounds), and a 200-mile ethylene pipeline. The company went public in 2014.