Abraxas Petroleum Corporation (AMEX: ABP) engages in the development and production of natural gas and crude oil in the United States. It operates in south and west Texas and east central Wyoming. As of December 31, 2005, it owned interests in 102,356 gross acres. As of the same date, the company’s proved reserves included 3,084 MBbls of crude oil and 86,203 MMcf of natural gas. As of the above date, it also operated 155 crude oil wells and 85 natural gas wells. Abraxas Petroleum Corporation was founded in 1977 and is based in San Antonio, Texas.

AGL Resources (NYSE: ATG) an Atlanta-based energy services holding company, serves 2.2 million customers in six states through its utility subsidiaries - Atlanta Gas Light, Elizabethtown Gas in New Jersey, Virginia Natural Gas, Florida City Gas, Chattanooga Gas, and Elkton Gas in Maryland.

Altacanada Energy Corp (TSX.V: ANG)

Altai Resources Inc. (TSX.V: ATI) is a Canadian mining exploration company with a portfolio of natural gas, gold, nickel and industrial mineral properties in Canada and Philippines.

American Oil & Gas Inc (AMEX: AEZ ) is an independent oil and natural gas company engaged in exploration, development and production of hydrocarbon reserves primarily in the Rocky Mountain region.

Anadarko Petroleum Corporation (NYSE: APC) engages in the exploration, development, production, and marketing of natural gas, crude oil, condensate, and natural gas liquids primarily in the United States. As of December 31, 2005, Anadarko had proved reserves of 7.9 trillion cubic feet of natural gas; and 1.1 billion barrels of crude oil, condensate, and natural gas liquids (NGLs). The company also purchases natural gas, crude oil, and NGL volumes for resale, as well as owns and operates seven gas gathering systems in its primary producing areas. In addition, it involves in the hard minerals business in several coal, trona, and industrial mineral mines.

Apollo Resources International (OTCBB: AOOR) together with its subsidiaries, engages in the production, transportation, and sale of oil and natural gas, as well as in the development of alternative fuels in the United States. The company also produces, blends, and distributes bio-diesel fuels to small businesses and farmers, and various commercial and industrial customers. In addition, it produces, distributes, and sells liquefied natural gas, as well as owns and operates a pipeline system through which the company transports gas.

Atmos Energy (NYSE: ATO) is the country's largest natural-gas-only distributor, serving about 3.2 million gas utility customers. Atmos Energy's utility operations serve more than 1,500 communities in 12 states from the Blue Ridge Mountains in the East to the Rocky Mountains in the West. They provide natural gas marketing and procurement services to industrial, commercial and municipal customers and manage company-owned natural gas storage and pipeline assets, including one of the largest intrastate natural gas pipelines in Texas. Atmos Energy is a Fortune 500 company.

ATP Oil & Gas Corporation (NASDAQ: ATPG) is an offshore oil and gas development and production company operating in the Gulf of Mexico and the North Sea. The primary objectives of the company are to develop already-discovered reserves not strategic to major or exploration-oriented oil and gas companies and to achieve a high rate of return for ATP from such low-risk developmental projects. ATP operates exclusively offshore and has addressed projects in Gulf of Mexico water depths from 12 feet in the Eugene Island Area to deepwater 1350 feet of water in Garden Banks; in the North Sea projects range from 50 to 200 feet of water depth. ATP has been frequently recognized for pushing existing technology to a higher level and is a leader of companies utilizing subsea technology and performing its operations in an environmentally sound manner. At December 2002, ATP had leasehold and other interests in 50 offshore blocks, 29 platforms and 70 wells, including six subsea wells, in the federal waters of the Gulf of Mexico.

Aspen Exploration Corporation (OTCBB: ASPN) engages in the exploration and development of oil and gas properties in California. It sells crude oil and natural gas to various companies, including pipeline companies.

Avalon Gold Corporation (OTCBB: AVLN) has an undivided 85% working interest in the Shotgun Draw Prospect in the prolific natural gas producing Uinta Basin , located in the US Rockies, Utah . The lease comprises 13,189 acres with a potential 4 TCF recoverable gas and is overpressured by a 0.55 – 0.85 gradient. The Drunkards Wash Field, just south of the prospect area is estimated to be between 2-4 TCF of recoverable gas. The Jonah Field Overpressured Gas Plain, which is analogous to our prospect area, has similar overpressuring, depth, reservoir rocks and is estimated to be 2.5+ TCF.

Bayou City Exploration, Inc. (OTCBB: BYCX) engages in the drilling, exploration, development, and production of oil and gas properties in Texas, Louisiana, Kentucky, and West Virginia. As of December 31, 2005, the company has participated, either directly or indirectly through its sponsored limited partnerships, in 109 wells. As of the above date, it had proved and developed reserves of 6,532 barrels of oil and 83,390 thousand cubic feet of natural gas. Bayou City Exploration was founded as Gem Source, Incorporated in 1994 and changed its name to Blue Ridge Energy, Inc. in 1996. Further, it changed its name to Bayou City Exploration, Inc. in 2005.

Berry Petroleum Company (NYSE: BRY) engages in the production, development, acquisition, exploitation, and exploration of crude oil and natural gas in the United States. Its principal reserves and producing properties are located in California, Utah, and Colorado. The company owns and operates working interests in 38 properties located in the Midway-Sunset field; the McVan property, which consists of 560 acres in the Poso Creek field; 9 leases and 4 fee properties totaling approximately 965 acres in the Placerita field; and working interest in 6 leases totaling 8,563 acres in the Montalvo field in California. In addition, the company owns working interest in 3 acreage blocks in Big Wash Unit, Utah; and 50% in 186,000 gross acres located in the Williston Basin in North Dakota. As of December 31, 2005, its estimated proved reserves were 126 million barrels of oil equivalent. The company markets its crude oil to independent marketers and oil refining companies.

Big Cat Energy Corporation (OTCBB: BCTE) has developed a patented technology called the ARID Tool (Aquifer Recharge Injection Device), a revolutionary new method of water handling that provides coal bed methane wells with the ability to redistribute produced water. This revolutionary new coal bed methane production technology will allow coal bed methane operators to process produced water at a fraction of the cost of current technology

BG Group plc (NYSE: BRG) BG Group plc engages in the exploration, production, development, and supply of natural gas. It operates in four segments: Exploration and Production (E&P), Liquefied Natural Gas (LNG), Transmission and Distribution (T&D), and Power Generation (power).

Bontan Corporation Inc. (OTCBB: BNTNF)is an international diversified natural resource company that operates and invests in major exploration prospects. Bontan currently has a 49% working interest in a gas exploration project in eastern Calcasieu Parish, Louisiana.Through its wholly owned subsidiaries, Bontan seeks highly visible opportunities in countries around the globe with a history of natural resource production that offer exciting and attractive propositions. Bontan will seek to minimize risk by bringing in either joint venture, carried or working interest partners, depending on the size and scale of the project.

BP plc (NYSE: BP) engages in the exploration and production of crude oil and natural gas. Its exploration and production activities include oil and natural gas exploration, field development and production, pipeline transportation, and natural gas processing. The company also involves in the supply, trading, and refining of oil; manufacture and marketing petrochemicals; marketing and trading of natural gas, natural gas liquids, and liquefied natural gas; and production of aromatics and acetyls.

Burlington Resources, Inc. (BR) a holding company, engages in the exploration for, development, production, and marketing of crude oil, natural gas liquids, and natural gas in North America, Canada, and other countries. Its North American operations primarily include production, development, and exploration of natural gas.

Cadence Resources Corporation  (OTCBB: CDNR)

Canadian Superior Energy Inc. (AMEX: SNG) engages in the exploration and production of crude oil and natural gas in western Canada, offshore Nova Scotia, and offshore Trinidad and Tobago. The company holds interests in Intrepid Block located in Trinidad and Tobago. It also owns six exploration licenses located in East Coast and offshore Nova Scotia. As of December 31, 2005, the company’s gross proved reserves included 782 thousand barrels of light and medium oil; 22,905 million cubic feet of natural gas; and 167 thousand barrels of natural gas liquids. As of the above date, it had gross interest in 67 oil producing wells and 194 gas producing wells.

Cascade Nat Gas (NYSE: CGC)distributes natural gas to residential, commercial, and industrial customers in Washington and Oregon. The natural gas is used for various purposes, such as for the generation of electricity, processing of food, processing of forest products, production of chemicals, and refining of crude oil. As of September 30, 2005, the Company had approximately 196,000 residential customers, 30,000 commercial customers, and 719 industrial and other larger customers.

Cheniere Energy, Inc. (AMEX: LNG) engages in the development, construction, ownership, and operation of onshore liquefied natural gas (LNG) receiving terminals and related natural gas pipelines along the Gulf Coast of the United States. It develops LNG receiving terminal projects on Sabine Pass LNG in western Cameron Parish, Louisiana on the Sabine Pass Channel; Corpus Christi LNG near Corpus Christi, Texas; and Creole Trail LNG at the mouth of the Calcasieu Channel in central Cameron Parish, Louisiana. Cheniere Energy also develops natural gas pipeline. In addition, it engages in oil and natural gas exploration and development activities in the Gulf of Mexico.

Chesapeake Energy (NYSE: CHK) engages in the development, acquisition, production, exploration, and marketing of onshore oil and natural gas properties in the United States. Chesapeake Energy is the second largest independant producer of natural gas in the U.S.

Clean Energy Fuels Corp. (NASDAQ:CLNE) leading provider of natural gas as an alternative fuel for vehicle fleets in the United States and Canada.

CMS Energy Corp. (NYSE: CMS) is an integrated energy company, which has as its primary business operations an electric and natural gas utility, natural gas pipeline systems, and independent power generation.

Contango Oil & Gas Company (AMEX: MCF) engages in the exploration, development, production, and acquisition of natural gas and oil properties primarily offshore in the Gulf of Mexico and in the Arkansas Fayetteville Shale. The company has a 10% partnership interest in Freeport LNG Development, L.P., which develops a liquefied natural gas receiving terminal in Freeport, Texas, as well as has a 32% interest in Contango Capital Partnership Management, LLC, which invests in the alternative energy venture capital market.

Copano Energy LLC (NASDAQ: CPNO) provides midstream energy services, including natural gas gathering, intrastate transmission, and processing in the Texas Gulf Coast region, and central and eastern Oklahoma.

Corning Natural Gas Corp. (OTCBB: CNIG) operates as a natural gas utility. It operates in three segments, the Gas Company, Corning Mortgage, and Corning Realty. The Gas Company segment distributes gas with its own pipeline distribution and transmission systems to residential, commercial, industrial, and municipal customers in the Corning, New York. The Corning Realty segment engages in residential and commercial real estate operations. The Corning Mortgage segment engages in mortgage lending services.

Crosstex Energy (Nasdaq: XTEX) an independent midstream energy company in the United States. It operates in two segments, Midstream and Treating. The Midstream segment focuses on the gathering, processing, transmission, and marketing of natural gas and natural gas liquids primarily in Texas Gulf Coast, south-central Mississippi, and Louisiana. It also provides natural gas marketing services on behalf of producers for natural gas.The Treating segment focuses on the removal of impurities, such as carbon dioxide and hydrogen sulfide from natural gas before it is delivered into transportation systems in Texas and Louisiana Gulf Coast. It also involves in dewpoint suppression business.

Curlew Lake Resources Inc (OTC: CWLXF or TSX: CWQ.V) is engaged in the exploration, development and production of oil & gas in the western sedimentary basins of North America. They are also involved in exploration of a Yukon-based gold prospect within the Tintina Shield, which is host to such deposits as Fort Knox and Pogo. They expect to show net income this year from royalty interests in three oil/gas wells now producing in southern Alberta.

DEFIANT ENERGY CORP (TSX-DEF)

Devon Energy Corporation (NYSE: DVN) primarily engages in the exploration, development, production of oil and gas. It owns oil and gas properties located principally the United States and Canada. In addition, the company markets and transports oil, gas, and natural gas liquids; and constructs and operates pipelines, storage and treating facilities, and gas processing plants.

Dejour Enterprises Ltd. (Amex:DEJ, TSX-V:DEJ)Dejour is a a microcap energy company primarily focused on natural gas E&P in North America’s premiere resource rich regions. The company creates shareholder value through strategic acquisition and thoughtful drilling of high discovery potential land holdings, monetization through co-ventures and spin offs, enhancing returns and reducing risk. Dejour is active in in the US Rocky Mountain Piceance/Uinta Basins, and the Peace River Arch of NE British Columbia/NW Alberta Canada.

Duke Energy Gas Transmission (NYSE: DUK) engages in the natural gas and electric businesses in America. Duke Energy owns and operates a fiber optic communications network in the Carolinas serving wireless, local, and long distance communications companies; Internet service providers; and other businesses and organizations.

Dynegy Inc (NYSE: DYN) sells electric energy, capacity, and ancillary services primarily through bilateral negotiated contracts with third parties and into regional central markets; and through structured wholesale over-the-counter markets and directly to end-use customers. Dynegy engages in the production and sale of electric energy, capacity, and ancillary services. It generates electricity by burning coal, natural gas, or oil.

El Paso Corp (NYSE: EP) provides natural gas and related products in North America. It involves in the natural gas transmission and exploration and production operations. The company provides natural gas transmission and related services through its pipeline systems. The company also focuses on the exploration for and the acquisition, development, and production of natural gas, oil, and natural gas liquids.

Enbridge Energy Partners LP (NYSE: EEP)engages in the ownership and operation of crude oil and liquid petroleum transportation and storage assets in the United States. The company’s customers primarily include integrated oil companies, independent oil producers, refiners, marketers, power plants, industrial facilities, local distribution companies, and shippers of natural gas.

Endeavour International Corporation, Inc.(AMEX: END) engages in the acquisition, exploration, and development of natural gas and oil properties in the North Sea. The company was engaged in the business of marketing and selling graphics media products, such as symbols, logos, pictures, signs and business advertisements over the internet.

Energen Corp (NYSE: EGN) an energy holding company, engages in the acquisition, development, exploration, and production of oil, natural gas and natural gas liquids in the United States.The company also purchases, distributes, and sells natural gas primarily in central and north Alabama. It offers its products to residential, commercial, and industrial customers, as well as to other end-users of natural gas.

Energy & Engine Technology Corp. (OTCPK: EENT) engages in the development and marketing of power generation products for the long haul trucking industry, as well as heating and air conditioning systems for the long haul trucking and marine industries. It primarily offers AXP 1000 auxiliary power generator and over the road comfort system for long haul trucks.

Energy Finders Inc. (OTCPK: EGYF) is a U.S.-based company dedicated to the goal of being a large independent in the exploration and production of oil and natural gas. The company's mission is to create value for our shareholders by applying strong technical expertise to strategies that will unlock substantial oil and gas resources in areas where production can be achieved quickly and efficiently.

Energysouth Inc. (NASDAQ: ENSI) is the holding company for a family of energy businesses. Mobile Gas, a regulated public utility, purchases, sells, and transports natural gas to residential, commercial, and industrial customers in Mobile, Alabama and surrounding areas. The company also provides merchandise sales, service, and financing. MGS Storage Services is the general partner of Bay Gas Storage Company, a limited partnership that provides underground storage and delivery of natural gas for Mobile Gas and other customers. EnergySouth Services is the general partner of Southern Gas Transmission Company which is engaged in the intrastate transportation of natural gas.

Equitable RSCS (NYSE: EQT) Equitable Resources, Inc. operates as an integrated energy company with an emphasis on Appalachian area. It engages in the production, gathering, distribution, and transmission of natural gas. The company operates in two segments, Equitable Utilities and Equitable Supply. Equitable Utilities segment engages in the gathering, transportation, storage, distribution, and sale of natural gas, as well as in the pipeline and storage operations.Equitable Supply segment develops, produces, and sells natural gas, crude oil, and natural gas liquids.

Extreme Energy Corporation - junior oil and natural gas producing and operating company with primary areas of focus in the Alberta Foothills and the Peace River Arch. Extreme's shares trade on the TSX - Venture Exchange under the trading symbols "EXT".

Falcon Natural Gas Corp. (OTCBB: FNGC) is a Houston-based Natural Gas exploration company. The company is focused on the acquisition and exploration of commercial prospects in onshore areas of the United States of America.

Far East Energy Corporation (OTCBB: FEEC) engages in the acquisition, exploration, development, production, and sale of coalbed methane gas in the Shanxi Province in northern China and in the Yunnan Province in southern China.

Fellows Energy, Ltd. (OTBCC: FLWE) engages in the exploration, extraction, processing, and reclamation of coalbed methane, natural gas, and oil projects in the western United States.

Fox Petroleum Inc. (OTCBB:FXPE) is an Oil and Gas Exploration and Production Company headquartered in London, England, the financial capital of Europe. Fox also has an operations office in Anchorage, Alaska. Fox's current targets include mineral rights to 32,000+ acres in Alaska's North Slope estimated to represent a potential of up to 160 million barrels of oil (LAPP Resources, Inc.), and the rights to a 33.33% ownership stake in a 37,000+ acre UK North Sea license which could potentially hold up to 213 million barrels of oil (TRACS International Ltd). Fox has a 22.5% carried interest in producing onshore Texan gas well, and has also signed agreements to acquire roughly 14,000 acres on the North Slope and approximately 42,000 of land onshore in the Cook Inlet containing the Catcher's Mitt Prospect. Fox has also recently signed an FIA for 46% of the 211/17 South block containing the Bourbon Prospect, estimated by Aimwell Energy Ltd to have a mid case recoverable reserve potential of 167 mmbo.

Galaxy Energy Corporation (AMEX: GAX) engages in the acquisition, exploration, development, and production of natural gas in the United States.As of March 9, 2006, the company had interests in 160 completed wells, 65 wells in various stages of completion, and 8 water disposal wells.

Gasco Energy, Inc. (Amex: GSX )is a Denver-based natural gas and petroleum exploitation and development and production company engaged in locating and developing hydrocarbons resources, primarily in the Rocky Mountain region.

Gastar Exploration, Ltd. (AMEX: GST) engages in the acquisition, exploration, and development of oil and gas properties in North America and Australia. It primarily engages in the unconventional gas production with focus on coal bed methane

GOBAL POWER EQUIPMENT GROUP INC. (NYSE: GEG) is a global designer, engineer and fabricator of equipment for gas turbine power plants and power-related equipment for industrial operations. Its equipment is installed in power plants and in industrial operations in more than 40 countries on six continents. The Company also provides its customers with value-added services including engineering, retrofit and upgrade and maintenance and repair. It sells its products to the gas turbine power generation market under the Deltak, Braden and Consolidated Fabricators brand names through a global sales network. It conducts its business through two operating segments: the heat recovery equipment segment and the auxiliary power equipment segment.

GeoGlobal Resources Inc. (AMEX: GGR) engages in the exploration and production of petroleum and natural gas in India. The company has production sharing contracts with the Indian government to explore blocks in Gujarat in western India and in the Krishna-Godavari basin in eastern India.

GMX Resources Inc.( NASDAQ: GMXR) GMX RESOURCES INC. is a rapidly growing, 'Pure Play' E & P company with over 1150 high quality unconventional gas resource un-drilled locations. 8 rigs are currently drilling its large contiguous Cotton Valley (CV) Gas Resource Play on the Sabine Uplift; Carthage, North Field, East Texas, Panola & Harrison County. Development is focused in the Upper CV "Tight Gas Sands"; 240 gross / 130 net CV producers; with a 100% success rate and 16% developed; Travis Peak/Hosston Sands & Pettit Reservoirs (TP/P); 37 gross / 30 net TP/P producers; also containing Lower CV Bossier/Haynesville "Gas Shales". These key resource layers provide repeatable organic growth at low finding and development costs for the Company and are contained in one contiguous 'Core Area' which constitutes 99% of Company's NAV, consisting of 94% Natural Gas. Headquartered in Oklahoma City, Oklahoma, GMXR has interests in 295 gross / 172 net producing wells and operates 60% of its reserves.

Goodrich Petroleum Corporation (NYSE: GDP) is an independent oil and gas company engaged in the exploration, exploitation, development and production of oil and natural gas properties primarily in the transition zone of South Louisiana, East Texas, North Louisiana and the Gulf Coast of Texas. The Company's primary customers include Louis Dreyfus Corporation, Texon, LP, Reliant Energy, Conoco Phillips, Shell Trading and Genesis Crude Oil, L.P.

Habanero Resources Inc. (OTCPK: HBNRF) is an emerging junior oil and gas company focused on high reward, low risk oil and gasexploration and production in North America. HAO's goal is to become a mid range oil and gas producer. HAO currently earns oil and gas revenue fromsources located on multiple oil and gas fields located in Texas, Saskatchewan and Alberta.

Harvest Natural Resources, Inc.(NYSE: HNR) engages in the acquisition, development, production, and disposition of oil and natural gas properties in Venezuela. It primarily operates in South Monagas Unit covering Uracoa Field, Tucupita Field, and Bombal Field in Venezuela. As of 31 December 2005, the company had net proved reserves of approximately 28,249 thousand barrels of crude oil and condensate; and 47,134 million cubic feet of natural gas.

Heartland Oil and Gas Corp.(OTCBB: HOGC) is developing approximately 915,000 acres of coalbed methane lands in the Forest City Basin (FCB) in the state of Kansas, USA. Using an 80 acre spacing the acreage is expected to provide approximately 10,000 drill locations. The company currently has 89 wells, in eight pilots including 55 CBM wells that are currently dewatering and/or venting gas, 26 CBM wells awaiting stimulation and 8 saltwater disposal wells. Heartland's recent acquisition of Evergreen Resources' FCB assets and $44.5 Million financing provide for long term growth.

Index Oil and Gas, Inc., (OTCBB: IXOG) through its subsidiary, operates as an oil and gas exploration and production company with activities in Kansas, Texas, and Louisiana. The company’s properties include Kansas-Seward and Kansas-Barton County exploration properties. It sells its crude oil and natural gas production to independent purchasers.

Infinity, Inc. (NASDAQ: IFNY) is an independent energy company engaged in the operation, development, production, exploration and acquisition of North American unconventional natural gas properties. The Company is also a provider of oil field services in eastern Kansas, northeastern Oklahoma and the Powder River Basin of Wyoming.

Ivanhoe Energy Inc. (NASDAQ: IVAN) is an independent international oil and gas exploration and development company focused on pursuing long-term growth in its reserve base and production using key technologies, including its proprietary heavy oil upgrading process (HTL), enhanced oil recovery (EOR) techniques and the conversion of natural gas to liquids (GTL). Core operations are in the United States and China, with business development opportunities worldwide.

Ivory Energy Inc. (TSX.V: IV) is a junior exploration and development company focused in the production of oil and natural gas in Alberta and Saskatchewan, Western Canada. Our large-land holdings offer the excellent opportunity to further growth through high impact exploration and development drilling. Ivory is poised to rapidly increase production and cash-inflows through the exploration and development of our existing properties and timely acquisitions. Furthermore, the company is led by an experience management team with a successful track record in oil and gas exploration, investment and corporate development. Recent properties acquisitions in Western Canada offer the potential of increasing daily production to 3,500 BOE by the end of this year.

KeySpan Corp. (NYSE: KSE) is the fifth largest distributor of natural gas in the United States and the largest in the Northeast, operating regulated gas utilities in New York, Massachusetts, and New Hampshire that serve 2.6 million customers. These customer-focused businesses are complemented by a portfolio of service companies that offer energy-related products, services, and solutions to homes and businesses. KeySpan is also the largest electric generator in New York State, with approximately 6,600 megawatts of generating capacity that provides power to 1.1 million customers of the Long Island Power Authority (LIPA) on Long Island and supplies approximately 25 percent of New York City's capacity needs. KeySpan also operates LIPA's transmission and distribution system under contract to LIPA. In addition to these assets, KeySpan has strategic investments in pipeline transportation, distribution, storage, and production. KeySpan has headquarters in Brooklyn, New England, and Long Island.

Kinder Morgan Inc.(NYSE: KMI) operates as an energy infrastructure provider in the United States. It offers energy transportation and storage services in North America. The company owns and operates approximately 40,000 miles of natural gas and products pipelines and 150 terminals. Kinder Morgan, through its Natural Gas Pipeline Company of America (NGPL) subsidiary, operates an interstate natural gas pipeline system with approximately 9,800 miles of pipelines and associated storage facilities. The company also owns and operates a refined petroleum products and crude oil pipeline business with three pipelines; and retail natural gas distribution businesses that transmit and distribute natural gas to serve approximately 892,000 residential, commercial, institutional, industrial, and utility customers in British Columbia, and approximately 245,000 customers in Colorado, Nebraska, and Wyoming.

Laclede Group, Inc.(NYSE: LG) through its wholly owned subsidiaries, primarily engages in the distribution of natural gas primarily in Missouri. The company, through Laclede Gas Company, distributes natural gas in Missouri to approximately 630,000 residential, commercial, and industrial customers. Another subsidiary, SM&P Utility Resources, Inc., engages in underground locating and marking service businesses. Laclede Energy Resources, Inc., a subsidiary of the company, engages in nonregulated efforts to market natural gas and related activities primarily to on-system utility transportation customers.
energy.com

Magnum Hunter (AMEX: MHR) Magnum Hunter Resources Inc. is an independent energy company engaged in the exploration, exploitation and development, acquisition and operation of oil and gas properties with a geographic focus in the mid-continent region, Permian Basin Region, Gulf Coast Region and the Gulf of Mexico. Hunter Gas Gathering, Inc., a wholly owned subsidiary of the Company, owns three gas gathering systems located in Oklahoma, Texas and Arkansas, none of which are subject to regulation by the Federal Energy Regulatory Commission (FERC) and ownership interests in four gas processing plants.

MarkWest Hydrocarbon Inc. (AMEX: MWP) through its limited partner interest in MarkWest Energy Partners, L.P., engages in the gathering, processing, and transmission of natural gas; the transportation, fractionation, and storage of natural gas liquids; and the gathering and transportation of crude oil in North America. It also markets natural gas and natural gas liquids.

Matrix Service Co. (NASDAQ: MTRX) provides construction, and repair and maintenance services primarily to the downstream petroleum and power industries in the United States and Canada. Its construction services include turnkey construction, civil construction, structural steel erection, mechanical installation, process piping, electrical and instrumentation, fabrication, vessel and boiler erection, millwrighting, plant modifications, centerline turbine erection, and startup and commissioning. The company also offers design, engineering, fabrication, and construction of aboveground storage tanks.

Meridian Resources Corp. (NYSE: TMR) engages in the exploration, acquisition, development, and production of oil and natural gas properties in the United States. The company operates on the onshore oil and gas regions in south Louisiana, and the Texas Gulf Coast; and offshore in the Gulf of Mexico. It owns interests in leases and options to lease acreage in approximately 163,000 gross acres in Louisiana, Texas and the Gulf of Mexico, including approximately 35,000 net acres located in unconventional gas regions, as well as owns rights or access to approximately 8,000 square miles of 3-D seismic data. As of December 31, 2005, it had proved reserves of approximately 111 billion cubic feet of natural gas equivalent, as well as owned approximately 24 gross wells.

Metretek Technologies Inc (AMEX: MEK) through its subsidiaries, provides energy measurement products, services, and data management systems to the industrial and commercial users, and suppliers of natural gas and electricity.

MetroGAS S.A. (NYSE: MGS) S.A. operates as a natural gas distribution company in Argentina. As of December 31, 2005, the company served approximately 2 million residential, industrial, and commercial users; government entities; power plants; and suppliers, dealers, and users of compressed natural gas in the city of Buenos Aires, and southern and eastern greater metropolitan Buenos Aires. As of the above date, its distribution system consisted of approximately 15,938 km of mains.

Micron Enviro Systems, Inc. (OTCBB: MSEV) is an emerging oil and gas company that has both oil and gas producing properties. MSEV's goal is to become a junior oil and gas producer that focuses on the exploration, discovery and delivery of gas and oil to the North American marketplace. MSEV currently has 16 independent sources of oil and/or gas revenue. MSEV's production is from nine oil wells in Canada, and seven wells producing oil and/or gas wells in Texas. MSEV is presently involved in multiple oil and gas prospects, and continues to look for additional projects that would contribute to building MSEV's market capitalization.

Miller Petroleum, Inc. (OTCBB: MILL) engages in the exploration, development, production, and acquisition of crude oil and natural gas in the Appalachian region of eastern Tennessee and in the state of Texas. It also constructs and operates a gathering system used to transport natural gas into the main gas transmission line. In addition, the company sells rigs, oilfield trailers, compressors, and other miscellaneous oil and gas production equipment.

Natural Fuel Gas Co. (NYSE: NFG) operates as a diversified energy company. The company operates in five segments: Utility, Pipeline and Storage, Exploration and Production, Energy Marketing, and Timber. The company operates in five segments: Utility, Pipeline and Storage, Exploration and Production, Energy Marketing, and Timber. The Utility segment sells natural gas to approximately 731,000 customers in Buffalo, Niagara Falls, and Jamestown in New York, and Erie and Sharon in Pennsylvania through a distribution system in western New York and northwestern Pennsylvania. The Pipeline and Storage segment provides interstate natural gas transportation and storage services for affiliated and nonaffiliated companies through an integrated gas pipeline system and 28 underground natural gas storage fields. This segment also transports natural gas for utilities, large industrial customers, and power producers in New York through a 157-mile pipeline that extends from the United States/Canadian border at the Niagara River near Buffalo to near Syracuse in New York. The Exploration and Production segment explores for, and develops and purchases natural gas and oil reserves in California, Appalachian region of the United States, Gulf Coast region of Texas, Louisiana, provinces of Alberta, and Saskatchewan and British Columbia in Canada. The Energy Marketing segment markets natural gas to industrial, commercial, public authority, and residential end-users in western and central New York, and northwestern Pennsylvania. The Timber segment markets timber, owns sawmills, and processes timber primarily of hardwoods.

Natural Gas Services Group Inc. (Amex: NGS) provides equipment and services to the natural gas and oil industry in the United States. The company manufactures, fabricates, sells, and leases natural gas compressors for use in the oil and gas wells, gas transportation lines, and processing plants. It also manufactures and sells flare tips and ignition systems for oil and gas plant, and production facilities. In addition, NGS provides maintenance services for the compressors.

Natural Gas Systems, Inc. (OTCBB: NGSY), a development stage company, engages in the acquisition, exploitation, and development of oil and natural gas properties in Louisiana, the United States. As of September 30, 2004, the company owned 100% of working interest in the Delhi and Tullos Urania fields located in Louisiana. As of the same date, it had 100% working interest in approximately 81 producing oil wells, 8 salt water disposal wells, and 54 shut-in wells located in La Salle and Winn Parishes, Louisiana. The company is headquartered in Houston, Texas. Natural Gas Systems, Inc. went public through a reverse acquisition with Reality Interactive, Inc. in May 2004.

New Jersey Resources Corp. (NYSE: NJR) an energy services holding company, provides retail and wholesale energy services primarily in New Jersey. It provides regulated retail natural gas service to residential and commercial customers in central and northern New Jersey. As of September 30, 2005, the company served approximately 462,000 customers. It also provides unregulated wholesale energy services, including base load natural gas, and peaking and balancing services, as well as provides asset management services to customers in states from the Gulf Coast and Mid-Continent to New England, and Canada.

NGAS Resources Inc.  (NASDAQ: NGAS) is a natural resources company focused on natural gas development drilling and reserve growth. NGAS controls approximately 250,000 acres in the Appalachian Basin where it owns 154 miles of gas gathering lines and interest in over 575 wells. Based in Lexington, Kentucky, the Company specializes in developing its own geological prospects concentrated in the Appalachian Basin.

Nicor Inc. (NYSE: GAS)a holding company, primarily engages in the natural gas distribution and shipping business in the United States. The company, through Northern Illinois Gas Company, distributes natural gas to approximately 2.1 million residential, commercial, and industrial customers in northern Illinois. The company also provides natural gas storage and transmission-related services to marketers, gas distribution companies, and electric power generation facilities in Chicago.

Nisource Inc. (NYSE: NI) provides natural gas, electricity, and other products and services. It operates in four segments: Gas Distribution, Gas Transmission and Storage, Electric Operations, and Other. As of December 31, 2005, the company served approximately 3.8 million customers located in a corridor that runs from the Gulf Coast through the Midwest to New England.

Northern Border Partners LP (NBP) is a publicly traded partnership formed to own, operate and acquire a diversified portfolio of energy assets. The Partnership owns and manages natural gas pipelines and is engaged in the gathering and processing of natural gas.

Northwestern Corp. (NASDAQ: NWEC) provides electricity and natural gas in the upper midwestern and northwestern regions of the United States. It engages in the generation, transmission, and distribution of electricity, as well as in purchase, transport, distribution, and storage of natural gas for commercial and residential customers. As of December 31, 2005, the company served approximately 628,500 customers in Montana, South Dakota, and Nebraska.

NSTAR (NYSE: NST) a holding company, engages in the transmission and distribution of energy principally in Massachusetts. The company primarily transports electricity and natural gas.

Northwest Natural Gas Co. (NYSE: NWN) engages in the distribution of natural gas in Oregon and southwest Washington, the United States. It also provides natural gas storage and related transportation services to interstate customers. The company, through its subsidiary, NNG Financial Corporation, holds financial investments, including limited partnership interests in two wind power electric generation projects located in California and in two low-income housing projects in Portland, Oregon. As of December 31, 2005, the company had 556,667 residential customers, 59,543 commercial customers, and 881 industrial sales customers.

Odyssey Petroleum Corp. (ODE: TSX. V) is an independent oil and gas exploration company focused on developing significant natural gas and oil reserves in North America.The company is aggressively buying participation in exploration and development fields located primarily in Louisiana and the Mississippi Interior Salt Basin. Management believes that exploration drilling in the highly prolific area will continue to rapidly increase our production and reserves.

OMDA Oil and Gas, Inc. (OTC.PK: OMDA) is an oil and gas production and lease acquisition company. Currently the Company owns participation interests in 355 oil and gas wells in Louisiana and Texas. Of the Company's 35 leases, 16 currently have at least one producing well with an aggregate of over 100 currently producing wells.

Oneok Inc (NYSE: OKE) a diversified energy company, operates as a natural gas distributor in the United States. The company engages in purchasing, gathering, processing, transporting, storing, and distributing natural gas liquids (NGL). It operates in five segments: Gathering and Processing, Natural Gas Liquids, Pipelines and Storage, Energy Services, and Distribution.

Pluris Energy Group (OTCBB: PEYG) engages in the acquisition, development, exploration, and production of natural gas properties in the Texas Gulf Coast region.

PetroFlow Energy Ltd. ,(TSX-V:PEF), Petroflow’s primary development activity continues to be in Hunton Resource Play in Oklahoma.

Petroleum Development Corporation (NASDAQ: PETD) engages in the acquisition, development, production, and marketing of natural gas and oil in the United States. The company also purchases, aggregates, and resells natural gas developed by other producers to industrial end-users, utilities, gas marketers, and wholesale gas purchasers. As of December 31, 2005, it operated approximately 2,800 wells located in the Appalachian Basin, Michigan, and the Rocky Mountain Region with net proved reserves of 247,288,000 Mcf of natural gas and 4,538,000 Bbls of oil.

Petrol Oil and Gas, Inc. (OTCBB: POIG) is an oil and gas producer whose primary focus is the development and production of oil, gas, and Coal Bed Methane (CBM) in Eastern Kansas and Western Missouri. During the past three years POIG has assembled a 165,000 gross mineral acreage prospect and drilled a total of 23 test/development wells in this area that are geologically suitable for CBM development. In addition, the Company currently operates its 10,000 gross acre producing Petrol-Neodesha property with 72 CBM wells in the prolific Thayer Gas Field in Southeast Kansas and has recently acquired an additional 400 gross acres adjacent to its Petrol-Neodesha property.

Petrostar Petroleum Corporation (CDNX: PEP.V) is a Government Licensed Oil & Gas Operator in the province of Saskatchewan, Canada and is involved in the exploration, development, production, storage and sale of oil and natural gas. On June 1, 2005, Petrostar Petroleum purchased 100% of the assets of Golden Lake Petroleum Ltd. including 320 acres of prime oil producing property in the Maidstone Oil Field located in north central Saskatchewan, Canada. The Company has six producing oil wells and two suspended wells on its Maidstone lease. To date, approximately 5.3% or 292,000 barrels of the estimated 5.52 million barrels of Original Oil In Place (OOIP) have been produced from the field.

Piedmont Natural Gas Company (NYSE: PNY) an energy services company, distributes natural gas to residential, commercial, and industrial customers in portions of North Carolina, South Carolina, and Tennessee. It also operates in various businesses, including unregulated retail natural gas marketing, interstate natural gas storage, and intrastate natural gas transportation. As of January 17, 2006, the company served 990,000 customers, including 61,000 customers served by municipalities.

PRB Energy Inc. (AMEX: PRB) an independent energy company, engages in oil and gas exploration and development, and mid-stream operations in the Rocky Mountain States. It provides gas gathering, processing, and compression services on properties it operates and for third party producers. The company owns and operates natural gas gathering systems and coal-bed methane gas wells in the Powder River Basin of Wyoming. It owns approximately 200 miles of gas pipelines.

Prometheus Energy Company (LSE:PEC.L) is a global alternative and renewable fuel company, specializing in the production, distribution, and sale of liquid natural gas (LNG).

PYR Energy Corporation (AMEX: PYR)engages in the acquisition, exploration, development, and production of crude oil and natural gas in the Rocky Mountains, Texas, and Gulf Coast regions of the United States, as well as in Canada.

Quest Resource Corporation (NASDAQ: QRCP)engages in the development, production, and transportation of natural gas. It primarily focuses on the development of coal bed methane in a ten county region in southeastern Kansas and northeastern Oklahoma, known as the Cherokee Basin.

Range Resources Corporation (NYSE: RRC) is engaged in the exploration, development and acquisition of oil and gas properties, primarily in the Southwestern, Gulf Coast and Appalachian regions of the United States. As of December 31, 2005, the company had proved developed and undeveloped reserves of approximately 1,125,410 million cubic feet of natural gas, and approximately 46,892 thousand barrels of oil and natural gas liquids. It also had net working interests in 10,687 oil and gas producing wells, as of the above date.

Rentech, Inc (AMEX: RTK) engages in the development and licensing of technology and projects to transform underutilized hydrocarbon resources into alternative fuels and clean chemicals. It develops process through its Fischer Tropsch Gas-To-Liquids technology, which converts synthesis gas into liquid hydrocarbon products, such as diesel fuel, aviation fuel, naphtha, and other chemicals. The company operates in two segments, Alternative Fuels, and Oil and Gas Field Services. The Alternative Fuels segment develops and markets processes for conversion of carbon-bearing solids or gases into valuable liquid hydrocarbons. The Oil and Gas Field Services segment provides logging services in the progress of drilling operations for the oil and gas industry.

RGC Resources Inc. (NASDAQ: RGCO) engages in the distribution and sale of natural gas in Virginia. It distributes to residential, commercial, and large industrial users through underground mains and services. As of September 30, 2005, the company had approximately 1,140 miles of transmission and distribution pipeline to serve the 59,000 customers.

Running Fox Resource Corp (OTCPK: RFXRF) Running Fox is a micro-cap energy sector company producing and drilling for oil and natural gas in Alberta. It owns 100% of Claymore Field Services, operating a full service oilfield service company for natural gas tie-ins etc. It also owns 50% of a high-grade gold project in British Columbia. New projects are being reviewed although there is no assurance that any new transaction will occur.

SEMCO Energy (NYSE: SEN) operates as a regulated public utility company. The company operates in one segment, Gas Distribution. The Gas Distribution segment purchases, transports, distributes, and sells natural gas to residential, commercial, and industrial customers in Michigan and Alaska. As of December 31, 2005, the segment had approximately 409,000 customers, including 286,000 customers in Michigan and 123,000 customers in Alaska.

Sempra Energy (NYSE: SRE) provide electric and natural gas products and services to customers in the United States, Europe, Canada, Mexico, South America, and Asia. It has four segments: Southern California Gas Company (SoCalGas); San Diego Gas & Electric Company (SDG&E); Sempra Commodities; and Sempra Generation. Sempra primary serves residential and small commercial, and industrial customers, as well as electric generation, wholesale, large commercial, industrial, and enhanced oil recovery customers.

Shumate Industries, Inc. (OTCBB: SHMT) operates as a contract machining and manufacturing company. Through its subsidiary, Shumate Machine Works, Inc., the company manufactures products, parts, components, assemblies, and subassemblies for its customers designed to their specifications. Its product line comprises expandable tubular launchers and liner hangers for oil and gas field service applications, blow-out preventers, top drive assemblies, directional drilling products, natural gas measurement equipment, control and check valves, and subsea control equipment used in energy field service.

Siberian Energy Group, Inc. (OTCBB: SIBN) is a unique, U.S.-based public oil and gas exploration company with 100% of its assets located in West Siberia, Russia. The Company evaluates investment and acquisition opportunities in Russia and Eastern Europe with the goal of bringing a portfolio of natural resource licenses and operating companies to Western investors. Siberian Energy strives to provide an attractive ROI to shareholders by pursuing high-yield investment projects, reducing costs, and adhering to strict principles of transparency, disclosure and environmental consciousness.

Silver Star Energy, Inc. (OTCBB: SVSE) is committed to the exploration and extensive development of oil and natural gas reserves throughout western North America. Company management is focused on an acquisition program targeting high quality, low risk prospects provided via key strategic alliance partnerships.

South Jersey Industries Inc. (NYSE: SJI) engages in the purchase, transmission, and sale of natural gas for residential, commercial, and industrial use. It also sells natural gas and pipeline transportation capacity to various customers on the interstate pipeline system, and transports natural gas purchased directly from producers or suppliers. The company also acquires and markets natural gas and electricity to retail end users and provides energy management services to commercial and industrial customers.

Southwest Gas Corp. (NYSE: SWX) engages in the purchase, transportation, and distribution of natural gas primarily in of Arizona, Nevada, and California. As of December 31, 2005, it served approximately 1,713,000 residential, commercial, and industrial customers. The company also provides trenching and installation, replacement, and maintenance services for energy distribution systems to the utility companies.

Spindletop Oil & Gas Co. (OTCBB: SPND) an independent oil and gas company, engages in the exploration, development, and production of oil and natural gas; the rental of oilfield equipment; and the gathering and marketing of natural gas. It sells crude oil and natural gas to oil and gas companies, brokers, pipelines, and distributors; and oil and gas properties, which are acquired, to oil and gas development entities.

Storm Cat Energy Corporation (AMEX: SCU) engages in the exploration and development of unconventional gas reserves from fractured shales, coal beds, and tight sand formations, including coalbed methane gas, as well as oil properties in Mongolia, Canada, and the United States.

SULZER N (EBS: SUN.SW) is a globally active industrial group. It consists of four core divisions, which rank among the top three suppliers in their markets: Sulzer Pumps Pumping solutions and services Sulzer Metco Surface technology solutions and services Sulzer Chemtech Components and services for separation columns and static mixing Sulzer Turbo Services Service and repair of thermal turbomachinery

Syntroleum Corporation (NASDAQ: SYNM) engages in the research and development of a proprietary process (the Syntroleum Process) designed to convert natural gas or synthesis gas into synthetic liquid hydrocarbons, as well as in the commercialization of the Syntroleum Process. Synthetic liquid hydrocarbons produced by the Syntroleum Process are further processed using the Syntroleum Synfining Process into various liquid fuels, such as diesel, jet fuel, kerosene, and naphtha, as well as specialty products, such as synthetic lubricants, synthetic drilling fluid, waxes, liquid normal paraffin solvents, and certain chemical feedstocks.

Tatonka Oil and Gas Co (OTCBB: TTKA) Tatonka Oil and Gas Co., Inc. is an independent oil and gas company focused on the exploration and development of unconventional oil and gas resources. Currently, the company plans to drill for and extract Methane gas from Coalbeds, known as Coalbed Methane (CBM) in the Rocky Mountain region.

TC Pipelines LP (NASDAQ: TCLP) and its subsidiaries engage in the acquisition, ownership, and participation in the management of the United States-based pipeline assets.

Teledyne Technologies Incorporated (NYSE: TDY) Incorporated provides electronic components and instruments, and communications products primarily in the United States, Europe, Japan, and Canada.

Tempest Energy Corp. (TMY.A.TO) is an oil and gas exploration, development and and production enterprise operating primarily in Alberta.

Teton Energy Corporation (AMEX: TEC) engages in the development, production, and marketing of natural gas and oil in North America. It primarily operates in the Rocky Mountains of the United States. The company has approximately 182,000 undeveloped acres in the Eastern Denver-Julesburg Basin in Nebraska. Teton Energy also has a 25% membership interest in Piceance Gas Resources, LLC, which owns oil and gas rights and leasehold assets covering 6,314 acres in the Piceance Basin in Western Colorado.

The Exploration Company of Delaware Inc (NASDAQ: TXCO) is an independent oil and gas exploration and production enterprise leveraging geological and geophysical expertise in its core operating area, the Maverick Basin of Southwest Texas. Its strategy is to build shareholder value by acquiring undeveloped mineral interests and internally developing a multi-year drilling inventory through advanced technologies, such as 3-D seismic and horizontal drilling. It has a consistent record of long-term growth in proved reserves, leasehold acreage, production and cash flow. Its 727,000-acre leasehold position in the basin yields multi-play/multi-pay opportunities from numerous producing intervals. TXCO looks to operate whenever possible and currently controls more than a 68% average working interest in its Maverick Basin properties. The company looks to capitalize on its dominant position by seeking strong industry partners. Its large, concentrated acreage position leads to exploration, idea generation, development drilling, exploitation and farm-out opportunities. TXCO’s 91-mile pipeline system moves natural gas from the Maverick Basin to customers in the United States and Mexico. It accounts for its oil and gas operations under the successful efforts method of accounting.

Tidelands Oil & Gas Corp. (OTCBB: TIDE) through its subsidiaries, engages in the development and operation of transportation, processing, distribution, and storage projects for natural gas and natural gas liquids. It operates a natural gas pipeline between Eagle Pass, Texas and Piedras Negras, Mexico, as well as a propane distribution system serving residential customers in the Austin, Texas area. The company also designs and constructs residential propane delivery systems for new residential developments in Central Texas.

Torch Offshore Inc. (TORCQ.PK) provides integrated pipeline installation, subsea construction, and support services to the offshore oil and natural gas industry primarily in the United States Gulf of Mexico. Its primary services include installation of flowlines and related infrastructure; pipeline tie-ins and tie-backs; riser installation; pipeline surveys and installation engineering; and integrated construction support. The company’s vessels primarily install marine pipelines and flowlines that transport oil and natural gas to production platforms and subsea production systems. It also connects production platforms to trunklines that transport oil and natural gas to shore. The company specializes in the installation and connection of the smaller flowlines and umbilicals, including the laying and burying of pipelines, flowlines, and umbilicals; and the laying of both flexible flowlines and coiled tubing. It provides subsea construction services in connection with the in-field development of offshore oil and natural gas reservoirs. Further, the company provides services, including installing and maintaining small diameter flowlines and related infrastructure on the Continental Shelf of the Gulf of Mexico.

TransCanada Corp. (NYSE: TRP) is a leader in the responsible development and reliable operation of North American energy infrastructure. TransCanada's network of approximately 41,000 kilometres (25,600 miles) of pipeline transports the majority of Western Canada's natural gas production to key Canadian and U.S. markets. A growing independent power producer, TransCanada owns, or has interests in, approximately 5,000 megawatts of power generation in Canada and the United States.

Transmeridian Exploration, Inc (AMEX: TMY) engages in the acquisition, exploration, development, and production of oil and natural gas principally in the Republic of Kazakhstan. It focuses primarily on the Caspian Sea region of the former Soviet Union. The company’s primary oil and gas property, South Alibek Field located in the Republic of Kazakhstan is covered by License 1557 and the related exploration contract with the government of Kazakhstan. The license covers an area of approximately 14,111 acres located onshore in the South Alibek Field. As of December 31, 2005, the company had 72,936,622 barrels of estimated total proved oil reserves.

Tri-Valley Corporation (AMEX: TIV) is in the business of exploring, acquiring and developing prospective and producing petroleum and precious metals properties and interests therein. The Company has two wholly owned subsidiaries, Tri-Valley Oil & Gas Company (TVOG), which operates the oil and gas activities, and Tri-Valley Power Corporation, which is inactive at present. TVOG derives the majority of its revenue from sale of oil and gas properties. The precious metals activity is operated directly by Tri-Valley Corporation. Substantially, all of the Company's oil and gas reserves are located in northern California. TVOG generates its own exploration prospects from its internal database, and also screens prospect submittals from other geologists and companies. TVOG generates these geological plays within a certain geographic area of mutual interest. The prospect is then presented to potential co-venturers.

Ultra Petroleum Corp (AMEX: UPL) engages in the development, production, operation, exploration, and acquisition of oil and gas properties primarily in the Green River Basin of southwest Wyoming and Bohai Bay, China.

Unicorp, Inc. (OTCBB: UCPI) a development stage natural resource company, engages in the exploration, acquisition, development, production, and sale of natural gas, crude oil, and natural gas liquids, primarily from unconventional reservoirs, such as fractured shales, coal beds, and tight sands in the United States.

Vectren Corp. (NYSE: VVC) operates as an energy and applied technology holding company in the United States. It has two groups, Utility and Nonregulated. The Utility group consists of the operations of the gas utility services, electric utility services. Gas utility services include natural gas distribution and transportation services to residential, commercial, industrial, and other customers in Indiana and west central Ohio. The Nonregulated group offers gas marketing, gas portfolio optimization, and other portfolio and energy management services to municipalities, utilities, industrial operations, schools, and healthcare institutions. This group also mines and sells coal; provides underground construction and repair of utility infrastructure services to gas, water, and telecommunications companies.

Vero Energy - (TSX-VRO) involved in the exploration, development and production of oil, natural gas and liquids in Alberta

Westport Innovations Inc. (TSX:WPT) is a leading global supplier of proprietary solutions that allow engines to operate on clean-burning fuels such as compressed natural gas (CNG), liquefied natural gas (LNG), hydrogen and biofuels such as landfill gas. Cummins Westport Inc., Westport's joint venture with Cummins Inc., manufactures and sells the world's broadest range of low-emissions alternative fuel engines for commercial transportation applications such as trucks and buses. BTIC Westport Inc., Westport's joint venture with Beijing Tianhai Industry Co. Ltd., manufactures and sells LNG fuel tanks for vehicles.

WGL Holdings Inc. (NYSE: WGL) Headquartered in Washington, D.C., WGL Holdings is the parent company of Washington Gas Light Company, a natural gas utility that serves approximately one million customers throughout metropolitan Washington, D.C., and the surrounding region. In addition, it holds a group of energy-related retail businesses that focus primarily on retail energy-marketing and commercial heating, ventilating and air conditioning services.

Williams Companies Inc (NYSE: WMB) engages in the exploration, production, and transportation of natural gas, as well as power. The company operates in four segments: Power, Gas Pipeline, Exploration and Production, and Midstream. Power segment buys, sells, stores, and transports energy and energy related commodities, primarily power and natural gas in North America.Gas Pipeline segment owns and operates approximately 14,600 miles of pipelines. This segment also holds interests in joint venture interstate and intrastate natural gas pipeline systems. Exploration and Production segment produces, develops, and manages natural gas reserves primarily located in the Rocky Mountain and Mid Continent regions of the United States. Midstream segment engages in the gathering, treating, and processing of natural gas; natural gas liquids fractionation, producing ethylene and propylene, storage, and transportation; and oil transportation.

Wilon Resources, Inc. (OTC.PK: WLON) engages in the exploration, production, and delivery of natural gas. The company has successfully drilled or reworked sixty-five natural gas wells and plans to complete a number of new wells during the next twelve months. Its operations are in the Appalachian Basin centered around West Virginia and Kentucky on leaseholds that aggregate approximately 12,000 acres.

The Wiser Oil Company (WZR)Wiser Oil Company is an independent oil and gas exploration and production company with reserves and production along the Texas Gulf Coast, the Gulf of Mexico, the San Juan Basin, the Permian Basin of West Texas and New Mexico, and Alberta, Canada. The Company's total proved reserves at December 31, 2002 were 209.3 billion cubic feet equivalent, with natural gas comprising 52% of total reserves. Wiser's proved reserves at December 31, 2002 were 82% developed, with approximately 66% located in the United States and 34% located in Canada.