Heritage Oil Limited explores for, develops, and/or produces natural gas and oil from properties in the Oman, Tanzania, and Uganda. Heritage Oil Limited also has assets in Iraq, Malta, Pakistan, and Russia. Heritage Oil Limited has acquired a 95% stake in a development project in Russia. Through subsidiaries it is exploring opportunities in oil fields in Kurdistan and other areas of Iraq. In 2007 Heritage Oil reported proved plus probable reserves of 65.8 million barrels of oil equivalent. In 2007 Heritage Oil Limited announced a Production Sharing Contract with the Kurdistan Regional Government for the Miran Block in the south-west of the Kurdistan Region of Iraq.

Synex International synthesizes power production and engineering expertise. The company's independent power production subsidiary, Synex Energy Resources, develops, purchases, owns, and operates generation facilities in western Canada. The subsidiary owns and operates hydroelectric plants (4MW of capacity) in British Columbia. Synex International's other subsidiary, Sigma Engineering, provides consulting, design, and environmental assessment services for hydroelectric projects. The engineering division's core competency is the overall planning and design of hydroelectric plants.

Derek Oil & Gas Corporation was founded in 1981 as Cove Energy Corporation and changed its name to Derek Oil & Gas in 2003. Derek Oil & Gas explores for, acquires, and develops oil and gas properties in the US. Instead of searching for undeveloped properties, Derek Oil & Gas Corporation uses new recovery technologies to recover oil resources from existing oil and gas reservoirs. Derek Oil & Gas Corporation holds an indirect interest in the 8,000-acre LAK Ranch Project in the Powder River Basin of eastern Wyoming. Derek Oil & Gas Corporation is developing the project in collaboration with Ivanhoe Energy. The reservoir is expected to contain more than 190 million barrels of oil.

Sparrows Offshore is a unit of Energy Cranes International, the world's largest crane management and engineering services contractor to the offshore oil and gas industry. In 1973, Sparrows became the first contractor to send specialist crane operators and maintainers to work in the UK’s fledgling North Sea oil and gas industry. Sparrows offers offshore platform crane operation, maintenance, and management services. Sparrows Offshore Services Limited operates primarily in the North Sea, although it has bases in the Middle East, the Caspian Sea, Australasia, and West Africa. Since 2005, further offshore crane service and engineering centres have been established in Indonesia, Brazil, Angola, the Netherlands, India and Singapore. In 2008 Sparrows Offshore Services Limited established a regional headquarters and engineering center in Singapore to serve the growing Asian market.

Ecotricity is an electricity company with a difference - we're dedicated to changing the way electricity is made. We take the money our customers spend on electricity and invest it in clean forms of power like wind energy. What's more, we're the only green electricity company actually building these new renewable energy sources. In 2007 alone we invested £25 million in wind energy. The other thing that not many people realise is that we can now all choose who supplies our electricity, and therefore how it's made, so wherever you live in the country you can actually choose to have your home or business supplied by clean energy. The funny thing is switching takes about five minutes but it's the biggest single step you can take to reduce your emissions and protect the environment.

OPTI Canada is doing its best to optimize the value of Canadian oil sands. OPTI Canada Inc. uses its OrCrude technology to upgrade bitumen without natural gas, providing a more cost-efficient method of processing. Combined with other processes, the technology is expected to produce high-quality synthetic crude from oil sands. OPTI Canada is in a joint venture with energy company Nexen to develop the Long Lake Project in the Athabasca oil sands area of Alberta. The project is the first to integrate in-situ bitumen recovery with on-site upgrading. OPTI Canada owns about 1.5 billion barrels of synthetic crude (primarily premium sweet crude having a low-sulfur content) expected to be produced annually by the project.

Newpark Resources, Inc. and its subsidiaries provide fluids management, waste disposal, and well site preparation products and services primarily to the oil and gas exploration and production industry. Newpark Resources, Inc. operates in three segments: Fluids Systems and Engineering, Mats and Integrated Services, and Environmental Services. The Fluids Systems and Engineering segment offers drilling fluids products and technical services to drilling projects involving subsurface conditions, such as horizontal, directional, geologically deep, or deep water drilling. This segment also provides completion fluids and equipment rental services. The Mats and Integrated Services segment offers mat rentals, location construction, and related well site services to exploration and production customers in the onshore U.S. Gulf Coast, western Colorado, and northeast U.S. regions; and mat rentals to the utility industry in the United Kingdom. It also installs access roads and temporary work sites for pipeline, electrical utility, and highway construction projects. Newpark Resources, Inc. provides its products and services primarily in the United States Gulf Coast, west Texas, east Texas, Oklahoma, North Louisiana, Rocky Mountains, and northeast region of the United States, as well as Canada, Brazil, the United Kingdom, Mexico, and North Africa. Newpark Resources, Inc. was founded in 1932 and is headquartered in The Woodlands, Texas.

Galleon Energy Inc. is part of an exclusive group of mid-sized oil and natural gas explorers and producers operating in Western Canada. Galleon Energy Inc. has the largest contiguous land block ever assembled on Alberta’s Peace River Arch and one of the strongest technical teams in the sector. Galleon Energy Inc. is engaged in the exploration and production of crude oil and natural gas, with drilling operations focused across more than 1 million acres in Western Canada, primarily in the provinces of Alberta and British Columbia. A mid-sized oil and gas company, its largest producing properties are East Montney and Eaglesham, with other operations concentrated along the Peace River Arch. Galleon Energy has proved reserves of more than 49 million barrels of oil equivalent.

TXCO Resources Inc. is a full-cycle, U.S.-based, oil and gas exploration and production company with a diversified exploitation, development and exploration project inventory. Based in San Antonio, TXCO has more than 720,000 net acres under lease (1.3 million gross acres). TXCO Resources Inc. leverages its geological and geophysical expertise to increase shareholder value. TXCO Resources Inc. applies new technology to overlooked opportunities in high-potential areas that offer multiple resource plays and thousands of drilling prospects. Through its direct efforts and joint ventures with other oil and gas firms, the company explores for oil and natural gas in the Dakotas, Montana, and South Texas. In 2008 TXCO Resources Inc. reported estimated proved reserves of 81.7 billion cu. ft. of natural gas equivalent. TXCO Resources sells its oil and gas wholesale through independent marketers. Facing tough economic times, TXCO Resources Inc. filed for Chapter 11 bankruptcy protection in May, 2009.

Woodfin Oil provides residential heating oils and kerosene to customers in Richmond, Virginia. Woodfin Oil Company also operates fleet fueling stations and convenience stores, and provides air-conditioning, plumbing, and electrical services. Woodfin Oil manages a heating oil and kerosene supply fleet. Woodfin Oil Company operates 14 Pit Stop Convenience Stores at locations across Virginia. The Woodfin Plumbing unit installs A. O. Smith electric water heaters and In-Sink-Erator food waste disposal equipment. This company also installs fireplace logs for natural gas fireplaces.

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