Robert W. Carington

Abraxas Petroleum Corp. engages in the acquisition, exploration, development, and production of crude oil and natural gas. It focuses primarily on the development of conventional and unconventional resources in its primary operating areas in the Rocky Mountains, South Texas, Powder River Basin, and Permian Basin. The company was founded by Robert L.G. Watson in 1977 and is headquartered in San Antonio, TX.

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.

Admiral Bay Resources, Inc. operates as a gas and mining company. The company is headquartered in Centennial, CO.

Jefferies LLC is a global investment bank and institutional securities firm headquartered in New York City. The firm was founded in 1962 and is a subsidiary of Jefferies Group LLC, ultimately held by Jefferies Financial Group, Inc. (NYSE: JEF). Jefferies provides corporate clients with research and execution services in equity, fixed income, and foreign exchange markets, as well as a full range of investment banking services such as underwriting, mergers and acquisitions, restructuring and recapitalization, and other advisory services, with all businesses operating in the Americas, Europe and Asia.

Part of Stifel Financial Corp., Howard Weil Labouisse Friedrichs, Inc. provides securities and commodities services. The company is based in New Orleans, LA.

Promap Corp. operates as a geographic information system company, which provides information maps and technical support to the oil and gas industry. The company provides hard copy and digital format oil and gas production maps which cover various geologic basins in numerous areas including: Denver, Powder River, Michigan Bain, Williston, Arkoma, Illinois, Cincinnati Arch, Uintah-Piceance and The Nevada Basins. Promap was founded by Steven A. Tedesco on November 12, 1987 and is headquartered in Centennial, CO.