Lowry Barfield

Northern Tier Energy LP engages in refining, retail, and logistics operations. The company was founded by Mario E. Rodriguez and Hank Kuchta on October 21, 2011 and is headquartered in Tempe, AZ.

Part of Marathon Petroleum Corp., Northern Tier Energy GP LLC provides oil and gas refining, retail and transportation services. The private company is based in Ridgefield, CT. David L. Lamp has been the CEO of the company since 2014.

Western Refining Logistics LP owns, operates, develops and acquires terminals, storage tanks, pipelines and other logistics assets. The company was founded on July 17, 2013 and is headquartered in San Antonio, TX.

Western Refining, Inc. engages in the business of refining and marketing crude oil and refined products. The company was founded by Paul L. Foster on September 16, 2005 and is headquartered in El Paso, TX.

Northern Tier Energy LLC engages in oil and gas refining, retail, and pipeline operations. Its products include gasoline, diesel, jet fuel, and asphalt which are then marketed to resellers and consumers. The company was founded on June 23, 2010 and is headquartered in Phoenix, AZ.

Part of Marathon Petroleum Corp., Western Refining Logistics GP LLC is a private company that provides logistics services. The company is based in El Paso, TX.