A-55 Clean Fuels - committed to the idea that environmental technologies must be affordable if they are to produce widespread environmental benefits.
Abraxas Petroleum Corporation - integrated energy company that acquires producing properties, explores for and produces crude oil and natural gas.
Alliance Engineering Inc. - providing engineering and project services to support energy companies in the safe and efficient development and transmission of oil and gas resources.
BXL Energy Ltd. - engaged in the acquisition, exploration, development, and production of oil and gas reserves in Calgary, Alberta, Canada.
Callon Petroleum Company - exploration, development, acquisition and operation of oil and gas properties. Primary focus is the Gulf Coast region of the United States.
Canadian Hunter Exploration Ltd - ranks as a top producer of natural gas, reserves, net acreage and other measures used by the oil and gas industry.
Canadian Oil & Gas Financial - information on the Canadian oil and gas industry with links to company database and financial information.
CanWest Gas Supply Inc. - a gas market aggregator offering a range of services, marketing gas to downstream markets in Canada and the United States.
Cheyenne Services Inc. - an oil field service company serving the petroleum industry and specializing in running and inspecting oilfield tubulars.
Delta Seaboard Well Service, Inc - performing plug, abandonment and workover services in Southeast Texas, Louisiana, Mississippi and Alabama.
Energy Spring, The - retail energy marketing company serving the southeastern United States, specializing in natural gas, propane and fuel oil.
Enerplus Group, The - specializing in the acquisition, development and exploitation of proven, producing oil and gas properties in Western Canada
Environmental BioTechnologies, Inc. - providing services for the petroleum industry including bioremediation, prospecting and enhanced oil waste recovery using microbial processes.
Freehold Royalty Trust - a closed-end investment trust which receives and distributes royalty income from a diversified asset base of oil and gas properties across western Canada.
Fuelman of Michigan - nationwide commercial fueling network of thousands of convenient fueling locations linked by an electronic purchasing, management, and reporting system.
Harbour Petroleum Company Limited - a junior oil and gas producer, listed on the TSE. Primary activity is oil and gas exploration and development in the Province of Alberta.
Hi-Lo Flare Systems and Services (UK) Ltd. - specializes in enviromental friendly gas flaring and landfill, petrochemical, oil and mine field degassing.
Holly Corporation - is engaged, through its affiliates (Navajo Refining Company and Montana Refining Company), in the refining, transportation, terminalling and marketing of petroleum products.
Home-Stake Oil & Gas Company - independent oil and gas production, exploration, drilling, interested in acquisition of producing properties.
Independent Completions Engineering Ltd. - responding to an increasing demand from oil companies and service companies for quality completions engineering.
Inuvialuit Petroleum Corporation - In 1984, the Inuvialuit became the first aboriginal Canadians from the Northwest Territories to negotiate a comprehensive land claims settlement with the Government of Canada.
Kestrel Energy - oil and gas exploration and production company. In 1997, began exploration program focused on California's San Joaquin Basin and Australia's offshore Carnarvon Basin.
Krosno Oil and Gas Enterprise - provides oilfield services including coiled tubing, nitrogen unit, wireline unit, and well test.
Louisiana Mid-Continent Oil and Gas Association - historical, statistical, environmental and legislative information about oil and gas in Louisiana and the Gulf of Mexico.
Montello, Inc. - provides mud system additives to combat problems in drilling wells, and chemicals as rheology modifiers, surfactants, and emulsifiers in food and industrial applications.
Oil & Gas Electronic Directory - Oil & Gas products and services in the petroleum and chemical industry, view Russian and Chinese brochures to assist engineers and geoscientists in frontier exploration and production
Oil Price Information Service (OPIS) - news and prices for petroleum products, feedstocks, naphtha, petrochemicals, pipeline rates, transportation, truckstop guides, natural gas, gas liquids, and jet fuel.
Pacific Pride Fuel Network - membership club offering offering petroleum and lubricants to commerical vehicles at over 1,000 stations in the US and Canada.
PanCanadian Petroleum, Limited - producers and marketers of crude oil, natural gas, and natural gas liquids, with operations across Canada and in a variety of international locations.
Petroleum Development Corporation - explores for, develops and produces oil and gas primarily in the Appalachian Basin area of West Virginia, Tennessee, Pennsylvania and Ohio.
Place Resources Corporation - a Canadian junior energy company involved in acquisitions, exploration, development and production of crude oil and natural gas operating in Western Canada.
Primary Corporation - refines mixed petroleum products, known as Interface or Transmix, into usable oil products, such as gasoline or diesel fuel.
Pro-Tech Solutions, Inc. - helps oil and gas processing/refining/productions facilities maximize the use of internal resources to meet the requirements of process safety management and company policies.
Robertson Geologging Ltd. - Robertson Geologging Ltd., suppliers of digital slimhole borehole logging equipment and contract wireline services throughout the world.
Sonat - integrated oil and natural gas company engaged in exploration, development and production of oil and natural gas, interstate transmission of natural gas, and natural gas and electric power marketing.
Southern Mineral Corporation - an oil & gas acquisition, exploration & production company that owns interests in related properties located along the Gulf Coast, the Mid-continent & in Canada.
Stewart Petroleum Corporation - actively engaged in all phases of oil and gas exploration, production and producing property acquisition.
U. S. Crude Ltd. - an oil and technology company utilizing its portable steam generater (TM-96) to rekindle marginally producing oil wells to profitable levels.
Upside Engineering - is an integrated project management, engineering, procurement and construction management company committed to providing quality service.
Western Petroleum Company - independently owned petroleum marketing company, providing gasoline fuels, propane, aviation fuels, and natural gas.
Western States Petroleum Assoc - WSPA represents companies which account for most of the exploration, production, refining, transportation and marketing of petroleum and petroleum products in six Western states.
Ziff Energy Group - offers a combination of corporate, natural gas strategies and regulatory support for Canadian, American, and international energy companies and government agencies.