Calpine Corporation is helping meet the needs of an economy that demands more and cleaner sources of electricity. Founded in 1984, Calpine is a major U.S. power company, currently capable of delivering nearly 24,000 megawatts of clean, cost-effective, reliable, and fuel-efficient... more

Entergy Corporation is an integrated energy company engaged primarily in electric power production and retail distribution operations. Entergy owns and operates power plants with approximately 30,000 megawatts of electric generating capacity, and it is the second-largest nuclear power... more

Enbridge Inc. (Enbridge) is an energy delivery company that transports natural gas and crude oil, which are used to heat homes, power transportation systems, and provide fuel and feedstock for industries. The Company’s activities are carried out through five business units: Liquids... more

Kinder Morgan, Inc. is one of the largest midstream energy companies in America, operating more than 35,000 miles of natural gas and products pipelines in 26 states. It also has significant retail distribution, electric generation and terminal assets. Kinder Morgan, Inc., through its... more

National Grid is an international energy delivery company. In the U.S., National Grid delivers electricity to approximately 3.3 million customers in Massachusetts, New Hampshire, New York and Rhode Island, and manages the electricity network on Long Island under an agreement with the Long... more

Dynegy Inc. (Dynegy) is engaged in the production and selling of electric energy, capacity and ancillary services from the fleet of 29 operating power plants in 13 states totaling nearly 20,000 megawatt of generating capacity. The Company conducts its operations through its subsidiary,... more

in California in 1905, is one of the largest combination natural gas and electric utilities in the United States.

Crosstex Energy, L.P. is (the Partnership) is an independent midstream energy company engaged in the gathering, transmission, treating, processing and marketing of natural gas and natural gas liquids (NGLs). The Partnership connects the wells of natural gas producers in its market areas... more

TransCanada Corporation (TransCanada) is a North American energy infrastructure company focused on pipelines and energy. At December 31, 2007, Pipelines accounted for approximately 53% of revenues and 73% of TransCanada’s total assets and the Energy business accounted for approximately... more

Spectra Energy Corp (Spectra Energy) owns and operates a portfolio of complementary natural gas-related energy assets. Spectra Energy North America’s principal natural gas infrastructure companies. It operates in three areas of the natural gas industry: transmission and storage,... more

TransCanada Corporation (TransCanada) is a North American energy infrastructure company focused on pipelines and energy. At December 31, 2007, Pipelines accounted for approximately 53% of revenues and 73% of TransCanada’s total assets and the Energy business accounted for approximately... more

Tenaska is a leader in the application of energy generation technology. The company's employees are experienced in the design, construction and operation of combined-cycle, peaking and cogeneration projects fueled by natural gas and fuel oil, coal-fueled projects, waste coal-fueled... more

Union Gas Limited (Union Gas) is a Canada-based integrated natural gas storage, transmission and distribution company. The Company also provides unregulated storage services and regulated transportation services to other utilities and energy market participants in Ontario, Quebec and the... more

Transco is responsible for ensuring that gas is delivered to over 20 million consumers around the country safely and efficiently. In 1986, British Gas was privatised. Seven years later, after a Monopolies and Mergers Commission report the company was re-structured into five business... more

PG&E Corporation is an energy-based holding company that conducts its business through Pacific Gas and Electric Company (Utility), a public utility operating in northern and central California. The Utility engages primarily in the businesses of electricity and natural gas distribution,... more

Energy Transfer Partners, L.P. (NYSE:ETP) is a publicly traded partnership owning and operating a diversified portfolio of energy assets. ETP's natural gas operations include intrastate natural gas gathering and transportation pipelines, natural gas treating and processing assets located... more

National Grid Transco is dedicated to being the world's premier network utility, primarily focused on delivering energy safely, reliably and efficiently. We own and operate the high-voltage electricity system in England and Wales and the high pressure gas transmission system in... more

DEFS sells its NGLs to a variety of customers, ranging from large, multi-national petrochemical and refining companies to small regional propane distributors. We store residue gas that results from processing in our 6.0 billion cubic foot storage facility, and sell it to both gas... more

ATCO Frontec provides project management and technical services; systems installation and integration; operation and maintenance; technology transfer and training services to the defence, transportation and industrial sectors throughout North America. It is part of the ATCO Group, one of... more

Enbridge Gas Distribution Inc. is a rate-regulated natural gas distribution utility serving residential, commercial and industrial customers in its franchise areas of central and eastern Ontario, including the City of Toronto and surrounding areas of Peel, York and Durham regions, as well... more

Enbridge Energy Partners, L.P. (Partnership) owns and operates crude oil and liquid petroleum transportation and storage assets, and natural gas gathering, treating, processing, transportation and marketing assets in the United States. As of December 31, 2007, its portfolio included... more

Plains All American Pipeline, L.P. (Plains) is engaged in the transportation, storage, terminalling and marketing of crude oil, refined products and liquefied petroleum gas and other natural gas-related petroleum products. The Company refers to liquefied petroleum gas and other natural... more

PSNC Energy, headquartered in Gastonia, N.C., is franchised to serve a 28-county service area in North Carolina. The utility distributes natural gas to approximately 430,000 customers in 96 cities and communities, including the Raleigh, Durham, and Chapel Hill areas in the north central... more

TEPPCO Partners, L.P. (TEPPCO Partners), formerly TE Products Pipeline Company, Limited Partnership, is a limited partnership engaged in the transportation of refined products, liquefied petroleum gases and petrochemicals; the transportation and marketing of crude oil and natural gas... more

ENSTAR Natural Gas serves approximately 345,000 Alaskans or 127,000 meters. In 2006, we added over 4,200 new customers. We operate over 3,000 miles of distribution line through out South Central Alaska and over 450 miles of high pressure transmission line through our sister company,... more

ONEOK Partners, L.P. owns and manages natural gas gathering, processing, storage and interstate and intrastate pipeline assets and natural gas liquids gathering and distribution pipelines, storage and fractionators, connecting much of the natural gas and natural gas liquid supply in the... more

Located in the Pacific Northwest, Avista Energy provides electricity, natural gas and hydroelectric portfolio optimization and management, as well as risk management services. With its focus on Western energy markets, Avista Energy capitalizes on its knowledge of and experience with... more

Corning Appliance was acquired by a group of investors independent of Corning Natural Gas in September 2004. CAC maintained the same experienced people, same great products, and a full-service and installation department that offers service 24 hours a day, 7 days a week. With three... more

Questar Pipeline Company (Questar Pipeline) is an interstate pipeline company that provides natural gas-transportation and underground storage services in Utah, Wyoming and Colorado. It also provides processing and treatment services and other energy services. Questar Pipeline and its... more

Fluxys, originally Distrigas was founded in 1929. At the end of 2001 integrated Distrigas was unbundled and Fluxys emerged as a transport company. Fluxys operates as an independent natural gas transport company. As a leader in the transport sector in the heart of Europe, Fluxys plays a... more

Eagle Rock Energy Partners, L.P. is engaged in three main businesses: midstream business, which involves gathering, compressing, treating, processing, transporting and selling natural gas, fractionating and transporting natural gas liquids (NGLs); upstream business, comprises acquiring,... more

Enagas is the main natural gas transport company in Spain, with a market share of more than 90 percent. The company owns three of the four operating regasification plants in country (Huelva, Barcelona and Cartagena), has more than 6,200 kilometers of high-pressure gas pipelines, two... more

CIG is a Delaware general partnership, originally formed as a corporation in 1927, and a majority owned subsidiary of El Paso Corporation. Its primary business consists of the interstate transportation, storage and processing of natural gas. CIG conducts its business activities through... more

Gujarat State Petronet Limited (GSPL) is engaged in developing energy transportation infrastructure and connecting natural gas supply basins and liquid petroleum gas terminals to markets. The suppliers of natural gas include traders, producers and liquefied natural gas terminals. The... more

PNGTS is an interstate natural gas pipeline company providing natural gas transportation service for gas utilities, paper mills, and electric generation plants throughout New England and eastern Canada.

Alliance Pipeline operates a new, natural gas pipeline system extending 3,713 kilometres (2,307 miles) designed to initially offer 1.325 billion cubic feet per day of firm delivery service from the gas producing areas of northeastern British Columbia and northwestern Alberta to markets in... more

WBI Holdings, Inc. provides administrative services in an efficient manner to all of the company's business units. This entity includes human resources, financial and general accounting, business development, information technology, safety and environmental and executive management... more

Florida Gas Transmission, a wholly owned subsidiary of Citrus Corp., operates an approximately 4,800-mile interstate natural gas transmission system from South Texas to South Florida. Citrus Corp. is owned jointly by Enron Corp. and El Paso Corporation.

Southern Star, headquartered in Owensboro, Kentucky, is a natural gas transmission system spanning over 6,000 miles in the Midwest and Mid-continent regions of the United States. Southern Star's 460 employees and its pipeline system and facilities are located throughout Kansas, Oklahoma,... more

Our Mission: PRB is dedicated to building tangible value for our shareholders through the production and development of oil and gas reserves, as well as construction and operation of natural gas gathering and processing facilities. PRB, headquartered in Denver, CO, began operations in... more

Gulf South Pipeline owns and operates an 8,000-mile interstate natural gas pipeline, gathering and storage system located in the U.S. Gulf Coast. Gulf South is headquartered in Houston with field offices located in Texas, Louisiana, Mississippi, Alabama and Florida. The Gulf South... more

Southern Natural Gas Company (SNG), a subsidiary of El Paso Corporation, is headquartered in Birmingham, Alabama, and has been in the natural gas pipeline business since 1929. SNG is the premier provider of natural gas transportation services in the Southeast, transporting more than 3... more

Williams Pipeline Partners L.P. was established by The Williams Companies, Inc. (Williams) to own and operate natural gas transportation and storage assets. The Company owns a 35% interest in Northwest Pipeline GP (Northwest), which owns an approximate 3,900-mile, bi-directional,... more

Bridgeline Holdings, L.P. owns and operates two natural gas intrastate pipelines and storage facilities located along Southern Louisiana and serves the Mississippi River industrial, utility, power generation and LDC marketplace between Baton Rouge and New Orleans Louisiana. With more... more