William T. van Kleef

Noble Energy, Inc. operated as an exploration and production company. It engaged in the acquisition, exploration and development of crude oil and natural gas. The firm operated through the following geographical segments: United States, Eastern Mediterranean, West Africa, Other International and Midstream. The United States segment was consists of U.S. onshore and Gulf of Mexico. The Eastern Mediterranean segment was included Israel and Cyprus. The West Africa segment comprised of Equatorial Guinea, Cameroon, and Gabon. The Other International segment was composed of Newfoundland, Suriname, and other new ventures. The Midstream segment was owns, operates, develops, and acquires domestic midstream infrastructure assets with focus areas being the DJ and Delaware Basins. The company was founded by Lloyd Noble in 1932 and it was headquartered in Houston, TX.

Andeavor engages in the refining and marketing of petroleum products. It operates through the following segments: Refining, Logistics, and Marketing. The Refining segment buys and refines crude oil and other feed stocks into transportation fuels, such as gasoline and gasoline blend stocks, jet fuel and diesel fuel, as well as other products, including heavy fuel oils, liquefied petroleum gas and petroleum coke for sale in bulk markets to a wide variety of customers within Andeavor's markets. The logistics segment includes crude oil and natural gas gathering assets, natural gas and natural gas liquid processing assets, and crude oil and refined products terminalling, transportation and storage assets acquired from Andeavor and third parties. The Marketing segment sells transportation fuels through branded and unbranded channels. Its brand portfolio includes ARCO, Shell, Exxon, Mobil, USA Gasoline, Rebel, and Tesoro. The company was founded by West V. Robert, Jr. in 1964 and is headquartered in San Antonio, TX.

Tesoro Refining & Marketing Co. owns and operates retail and refueling gas stations. It serves marine and commercial industries. The company is headquartered in San Antonio, TX.