Robert D. Barkley

Seitel, Inc. engages in the provision of seismic data and geophysical services. Its seismic data library includes both onshore and offshore three-dimensional and two-dimensional data and offshore multi-component data. The company was founded in 1982 and is headquartered in Houston, TX.

Part of Occidental Petroleum Corp., Union Pacific Resources, Inc. is a company that is involved in railroads, gas, and oil production. The company is based in Bethlehem, PA.

Exterran Energy Solutions LP engages in natural gas compression operations. It also provides sales, operations, maintenance, fabrication, service and transportation applications. The company was founded in 1990 and is headquartered in Houston, TX.

Harvard University engages in the provision of teaching and research. It has twelve degree-granting Schools in addition to the Radcliffe Institute for Advanced Study, offering a global education. The university was founded in 1636 and is headquartered in Cambridge, MA.

Tanglewood Investments Inc (Tanglewood Investments) is a private equity firm founded in 1995 by Michael Humphrey. The firm is headquartered in Houston, Texas.

Yellowstone Capital Partners LLC (Yellowstone Capital) is a private equity firm founded in 1993. The firm is headquartered in Houston, Texas.

University of Houston System offers higher education degrees and job training or vocational study programs. It offers about 280 undergraduate and graduate degree programs in fields such as business, education, humanities and law. It was founded in 1927 and is headquartered in Houston, TX.

Corphealth, Inc. provides medical-behavioral care management services. Its services include data warehousing & analytics, health coaching, integrated & primary disease management, employee assistance programs, and pharmacy medication management. The company was founded in 1989 and is headquartered in Fort Worth, TX.

Main Street Capital Partners LLC(Main Street Capital Partners) is a private equity firm founded in 1990 by Vincent Foster. The firm is headquartered at Houston, Texas.

Part of Exxon Mobil Corp., Encore Energy Partners GP LLC is a company based in Dallas, TX. Scott W. Smith has been the CEO of the company since 2010.

Price Gregory Services is a leading provider of infrastructure services with focus on pipeline construction and related services. The Company was formed through the merger of H.C. Price and Gregory & Cook Construction, two of the largest contractors with the equipment and capability to build large diameter pipelines. The Company's history stretches to the beginning of oil pipeline construction industry, with predecessor companies involved in the construction of the first 'Big Inch' pipeline during World War II. In addition, the Company has worked internationally in the Middle East, Africa, and Mexico. Price Gregory is currently focused in North America with a presence in the Lower 48, Canada, and Alaska (including the North Slope).

Select Energy Services LLC operates as an oil and gas service company. The firm offers water solutions and environmental, well completions & intervention and facilities construction & engineering services. The company was founded in 2008 and is headquartered in Houston, TX.

RSH Energy LLC provides land, survey, inspection, multidiscipline professional engineering and integrity management services. The firm offers its solutions for renewable energy industry, the civil and commercial engineering sector and across the oil and gas/midstream forum. The company was founded in 2013 by Brian K. Murphy and is headquartered in Houston, TX.

Standing Rock Capital Investments LLC provides investment services. The company is headquartered in Rome, GA.

Spartan Energy Partners LP provides oil and gas treating and processing services and equipment to the energy industry. It offers comprehensive solutions for treating and conditioning gas from the wellhead to the pipeline. The firm’s gas conditioning products include refrigeration units, Joule-Thomson plants, gas coolers and separators. Spartan Energy Partners was founded by John Earl Jackson in 2010 and is headquartered in The Woodlands, TX.

Part of CNX Resources Corp., CNX Midstream GP LLC provides investment services. The company is based in Canonsburg, PA. Nicholas J. DeIuliis has been the CEO of the company since 2018.

Part of CSI Compressco LP, CSI Compressco GP LLC provides compression services and equipment for natural gas and oil production, gathering, transportation, processing, and storage. The company is based in Santa Fe, NM. The company offers gas processing mechanical refrigeration units that use a chilled medium to condense natural gas liquids from the process gas stream. The company also provides an electric compression solution, the VJack Compression Package, which is more environmentally friendly than their GasJack. The CEO of the company is John Earl Jackson.