Joel Staff

ENSCO International, Inc. engages in the provision of contract drilling and marine transport services. The company was founded in 1987 and is headquartered in Houston, TX.

Maritrans, Inc. used to build and operate petroleum transport vessels for the US domestic trades. It was a US flag crude oil & petroleum product shipping company that used to own & operate fleets of double hull Jones act vessels which used to serve the east and US Gulf coastwise trades. The company was headquartered in Tampa, FL.

National Oilwell, Inc., is a company which designs, manufactures and markets mechanical components for both land and offshore drilling rigs as well as land drilling and well servicing rigs. The company has it's headquarters in Houston, Texas. It is a subsidiary of National Oilwell Varco, Inc.

Denali, Inc. produces fiberglass reinforced plastics composite products for corrosive environments. The company was founded in 1994 and is headquartered in Bangs, TX.

Reliant Energy, Inc. generates and markets electricity. It has more than 14,000 megawatts of power generation capacity at 36 coal, oil and gas-fired plants across the United States. Reliant Energy is headquartered in Houston, TX.

Texas Children's Hospital provides health care services. Its offers include audiology , dental, dermatology, critical care, nephrology, electrodiagnosis, heart transplant, and kidney transplant. The company was founded in 1950 and is headquartered in Houston, TX.

TPH Partners LLC (TPH Partners) is a private equity subsidiary of Tudor, Pickering, Holt & Co. LLC founded in 2008 by GeoMcCormick. The firm is headquartered in Houston, Texas.

RRI Energy, Inc. provides electricity and energy-related products to more than 1.9 million retail and wholesale customers in Texas and in the Pennsylvania, New Jersey and Maryland Interconnection. It operates through two segments: Retail Energy and Wholesale Energy. The Retail Energy division provides electricity and energy services to retail electricity customers, including residential and small business customers and commercial, industrial, governmental and institutional customers. The Wholesale Energy segment provides electricity and energy services in the wholesale energy markets in the United States. It was founded 2000 and is headquartered in Houston, TX.