Wynnewood refinery upgrade may lead to industry changes | The Journal Record
… and operated by Wynnewood Refining Co., a subsidiary of CVR Refining, which is a subsidiary of CVR Energy, headquartered in Sugar Land, Texas.
Building "Bridges" Across the Bayou City!
… and operated by Wynnewood Refining Co., a subsidiary of CVR Refining, which is a subsidiary of CVR Energy, headquartered in Sugar Land, Texas.