Westlake Chemical Partners LP acquires, develops, and operates ethylene production facilities and related assets in the United States.

The company's ethylene production facilities primarily convert ethane into ethylene. It also sells ethylene co-products, including propylene, crude butadiene, pyrolysis gasoline, and hydrogen directly to third parties on either a spot or contract basis.

Westlake Chemical Partners GP LLC serves as the general partner of the company. The company was founded in 1991 and is headquartered in Houston, Texas.