Pacific Rubiales Energy Corp. (formerly Petro Rubiales Energy Corp) has found a home in Colombia as a producer of heavy crude oil. The Canadian-based company is focused on the exploration, development and production of heavy crude oil in Colombia's Llanos Basin. Pacific Rubiales Energy Corp. (as Consolidated AGX Resources) had been involved in oil and gas exploration on Brazil and mineral mining exploration in Canada. In 2007 Consolidated AGX Resources completed the acquisition of Rubiales Holdings and subsequently changed its name to Petro Rubiales Energy Corp. In 2008 Pacific Rubiales Energy Corp. merged with Pacific Stratus Energy Ltd and became Pacific Rubiales Energy Corp. Pacific Rubiales Energy Corp. subsequently acquired Colombia-based Kappa Energy Holdings.

Clayton Williams Energy, Inc. was founded in 1991 and is headquartered in Midland, Texas.Clayton Williams Energy, Inc., an independent oil and gas company, engages in the exploration for and production of oil and natural gas properties primarily in Texas, Louisiana, and New Mexico. As of December 31, 2008, it had 6,704 gross producing oil and gas wells; leasehold interests in approximately 1.2 million gross undeveloped acres; and proved reserves of 228.6 billion cubic feet of natural gas equivalents. Clayton Williams Energy, Inc. also has equity interest in a joint venture with Lariat Services, Inc. to construct, own, and operate 12 drilling rigs. In addition, Clayton Williams Energy owns and operates natural gas service facilities consisting of 94 miles of pipeline, 3 treating plants, 1 dehydration facility, 3 compressor stations, and 4 wellhead type treating and compression facilities.

Treaty Energy Corporation engages in the acquisition and production of oil and gas properties in the United States. Treaty Energy Corporation offers natural gas, natural gas liquids, and crude oil or condensate. Treaty Energy Corporation holds a 100% working interest in two oil leases in Crockett County, Texas, consisting four oil wells and a water disposal well. Treaty Energy Corporation primarily focuses on operating, developing, and enhancing the production of its oil wells on those leases and acquiring working interests in oil and gas properties. Treaty Energy Corporation is based in Houston, Texas. Treaty Energy Corporation had been involved in hydrogen production and fuel cell development, with a focus on production of on-demand hydrogen, using the company's own chemical process to yield fuel cell-quality hydrogen from fresh water or salt water. Treaty Energy Corporation focuses on the San Andres producing oil fields and other exploration locations in the Permian Basin of West Texas, and has more than 2 million barrels of proved reserves.

Houston American Energy Corp. was founded in 1981 and is based in Houston, Texas.Houston American Energy Corp. engages in the exploration, development, and production of natural gas, crude oil, and condensate. Houston American Energy Corp. primarily focuses on properties in the U.S. onshore Gulf Coast Region, principally Texas and Louisiana, as well as focuses on the development of concessions in the South American country of Colombia. Houston American Energy Corp. also holds interests in producing wells in Plaquemines Parish, Louisiana; Matagorda County, Texas; and Ellis County, Oklahoma. As of December 31, 2008, its net proved and proved developed reserves consisted of 211,475 barrels of oil in South America and 1,941 barrels of oil in North America.

Evolution Petroleum Corporation was founded in 2003 and is headquartered in Houston, Texas.Evolution Petroleum Corporation engages in the acquisition, exploitation, and development of properties for the production of crude oil and natural gas in Louisiana. Evolution Petroleum Corporation primarily holds interests primarily in the Delhi Holt Bryant Unit located in the Delhi Field in Louisiana. As of July 1, 2009, the company had proved reserves of 3,060,040 barrels of oil equivalent. Evolution Petroleum Corporation was formerly known as Natural Gas Systems, Inc. and changed its name to Evolution Petroleum Corporation in July 2006.

Cairn is an oil and gas exploration and production company based in Edinburgh. Cairn has been listed on the London Stock Exchange since 1988. Cairn Energy PLC current focus is on India, where it is developing significant production in Rajasthan, and Greenland where Cairn Energy PLC has established a material exploration position.The company's producing fields are Sangu offshore Bangladesh and Lakhsmi, Gauri, and Ravva in India; Cairn Energy's gross production in early 2008 was 80,873 barrels of oil equivalent per day. In 2007 Cairn Energy spun off its Indian business as Cairn India Limited. Its other subsidiary, Capricorn Energy, explores in South Asia, Greenland, and the Mediterranean.

Quest Resource Corporation's quest is to make money from oil and gas exploration and production. The company acquires, explores, develops, produces, and transports natural gas, primarily coalbed methane. Quest Resource's exploration and drilling efforts are focused in the Cherokee Basin of southeastern Kansas and northeastern Oklahoma, and the Appalachian Basin, where it is accumulating leasehold acreage. The company has net proved reserves of 211 billion cu. ft. of net proved reserves (99% of which is coalbed methane) and operates more than 2,000 miles of gas gathering pipeline in Kansas and Oklahoma. In 2008 the company shifted its strategic focus to the Appalachian Basin.

Aminex is an international oil and natural gas exploration and production company with operations in the US, Africa, and North Korea. In the US it operates along the Texas Gulf Coast area. Aminex PLC owns Tanzoil NL, the largest holder of exploration acreage in Tanzania. Its completion of a well in the East Songo Songo/Nyuni area in Tanzania in 2004 was the first offshore well in East Africa for more than a decade. Aminex PLC also has operations in Egypt and Kenya. Aminex PLC has acquired a 10% stake in a North Korean resources company, Kobril Ltd. Aminex also owns AMOSSCO Ltd, an international oilfield service, supply, and logistics company.

The Lykins family first took a liking to petroleum and petroleum products marketing when Guy Lykins founded the enterprise in 1948. The Lykins Companies serves as a marketer for large oil companies such as BP, Exxon Mobil, Marathon Oil, and Royal Dutch Shell, and supplies more than 130 independent dealers. Products hauled by its trucking unit include gasoline, heating oil, diesel, biodiesel, and kerosene. Lykins Companies, Inc. has operations in 14 states. Lykins Companies, Inc. also serves more that 25,000 homes with heating oil. Most its customers are located in southwestern Ohio, northern Kentucky, and eastern Indiana. Lykins D&L Leasing unit provides daily, weekly, and monthly leases on cars, trucks, and vans.

Syntroleum Corporation has come a long way since its founding in 1984 by Kenneth L. Agee. The company’s synthetic fuel technologies make it a recognized force in the renewable fuels, biomass-to-liquids (BTL), gas-to-liquids (GTL), and coal-to-liquids (CTL) industries, and is one of the most vocal about introducing the possibilities of these technologies to the world. Syntroleum’s recent announcement regarding its renewable synthetic fuels venture with Tyson Foods is the latest example of its leadership in the industry. Together with Tyson, Syntroleum will construct the world’s first renewable synthetic fuels plant utilizing its Bio-synfining™ technology and Tyson sourced agricultural feedstock. With an investment of over $150 million and the creation of over 300 jobs, the initial 75 million gallon per year plant will not only have a positive impact on the local economy where the plant is located, but will contribute much needed incremental clean and environmentally friendly fuel to our nation’s transportation fuel supply.

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