Walt Sanford

American Petroleum Institute (API) is the only national trade association that represents all aspects of America's oil and natural gas industry. Its more than 400 corporate members, from the largest major oil company to the smallest of independents, come from all segments of the industry. They are producers, refiners, suppliers, pipeline operators and marine transporters, as well as service and supply companies that support all segments of the industry.

American Society of Mechanical Engineers operates non-profit professional organization that enables collaboration, knowledge sharing and skill development for engineering community. The company was founded in 1880 and is headquartered in New York, NY.

Pinnacle Advanced Reliability Technologies provides reliability consulting services. Its services include asset integrity, asset reliability management, inspection, technology, operations and maintenance for water industry. The company was founded by Ryan Sitton and Jennifer Sitton in May 2006 and is headquartered in Pasadena, TX.

EV Management LLC develops and explores oil and gas. The private company is based in Houston, TX. The CEOs of the company are Mark A. Houser, Michael E. Mercer.

Citigroup Global Markets, Inc. engages in the provision of brokerage, investment banking, and asset management services to individuals, businesses, and governments. The company was founded by Julie E. Silcock and is headquartered in New York, NY.

EnerVest Ltd. (EnerVest) is a private equity firm founded in 1992 by John B. Walker and Jon Rex Jones. The firm is headquartered in Houston, Texas.