Dalton F. Smith

Unocal Corp. explores, develops, produces, and markets crude oil and natural gas. The firm also produces geothermal energy in Indonesia and the Philippines and makes petroleum coke, graphite's and silicon carbide materials. The company was founded on October 17, 1890 and is headquartered in El Segundo, CA.

PetroQuest Energy, Inc. engages in the exploration, development, and acquisition of oil and gas properties. It has primary operations in Texas and Louisiana. The company was founded in 1985 and is headquartered in Lafayette, LA.

Louisiana Oil & Gas Association provides exploration, production and oilfield services. The company was founded in 1992 and is headquartered in Baton Rouge, LA.

Rio Oil & Gas Co. engages in the acquisition and development of oil and gas assets. It primarily focuses on conventional plays in select North American basins where the team has prior experience. The firm has proven skills in capital allocation, acquisition execution, and operational excellence. The company was founded by Alan R. Clemens and Stacey A. Cude on July 9, 2013 and is headquartered in Montgomery, TX.

Rio Oil & Gas II LLC engages in the acquisition and development of oil and gas assets. The company was founded by Alan Clemens and Stacey Cude on February 3, 2015 and is headquartered in The Woodlands, TX.