William J. Johnson

Apache Corp. operates as an energy company, which engages in the exploration, development, and production of natural gas, crude oil, and natural gas liquids. The company was founded by Truman Anderson, Raymond Plank, and Charles Arnao on December 6, 1954 and is 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.

GX Technology Corp. develops seismic imaging solutions for the oil and gas industry. It provides statics, pre-stack velocity modeling, OBC processing, and geophysical analysis. The company was founded on September 21, 1994 and is headquartered in Houston, TX.

Browning Oil Co., Inc. operates as a privately-held, family-owned exploration and production company. Its business plan incorporates a combination of exploration, exploitation and reserve acquisitions depending upon the available opportunities and market conditions. The company was founded by William W. Browning in 1974 and is headquartered in Dallas, TX.