Unocal is one of the world's leading independent natural gas and crude oil exploration and production companies. With more than 6,000 employees, the company's principal oil and gas activities are in Asia and North America. Unocal has no refining or marketing operations.

Xcel Energy Inc. (Xcel) is a holding company, with subsidiaries engaged in the utility business. During the year ended December 31, 2007, Xcel Energy's operations included the activity of four wholly owned utility subsidiaries that serve electric and natural gas customers in eight states.... 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

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

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... more

Renewable Energy Corporation ASA (REC) was established in 1996 and has quickly become the world's leading integrated solar company. Today, REC is the world's largest producer of polysilicon and wafers for PV applications. REC is involved in all steps of the value chain, from production of... more

Pepco Holdings, Inc. (PHI) is a diversified energy company, which, through its operating subsidiaries, is engaged primarily in two businesses: electricity and natural gas delivery (Power Delivery), conducted through the regulated public utility companies, including Potomac Electric Power... more

Questar Corporation (Questar) is a natural gas-focused energy company with four major lines of business: gas and oil exploration and production, midstream field services, energy marketing, interstate gas transportation, and retail gas distribution. The Company's operations are conducted... more

Enogex is actively involved in natural gas processing, pursuing opportunities both on and off our pipeline system. By consolidating small, less-efficient facilities and relocating and constructing new processing plants, Enogex has demonstrated its commitment to excellence in gas... more

U.S. Geothermal Inc. (GTH) is engaged in the acquisition, development and utilization of geothermal resources in the Western Region of the United States of America. As of March 31, 2008, the Company operated two power plants, Raft River Unit I in Idaho, through its joint venture with Raft... more

Apache Corporation is an independent energy company that explores for, develops and produces natural gas, crude oil and natural gas liquids. In North America, the Company's exploration and production interests are focused in the Gulf of Mexico, the Gulf Coast, East Texas, the Permian... more

Black Hills Corporation is a diversified energy company. The Company operates principally in the United States with two business groups: Utilities Group and Non-regulated energy Group. The Company’s Utilities group conducts business in two segments, such as electric utility and... more

Polaris Geothermal Inc. has been established upon the amalgamation of Polaris Geothermal Inc. (Polaris) and Iriana Resources Corporation (Iriana). Polaris acquired an interest in Polaris Energy Corp. (Energy), a Panamanian company which, indirectly, through its wholly owned Nicaraguan... more

Ormat Technologies, Inc. (Ormat) is engaged in the geothermal and recovered energy power business. The Company designs, develops, builds, owns and operates geothermal recovered energy-based power plants, usually using equipment that it designs and manufactures. Ormat conducts its business... more

Energy Trust of Oregon, Inc., is a nonprofit organization dedicated to changing how Oregonians use energy by promoting energy efficiency and clean, renewable energy for Oregon customers of Portland General Electric, Pacific Power, NW Natural and Cascade Natural Gas.

The Massachusetts Technology Collaborative is the state's quasi-public economic development agency focused on growing the renewable energy sector and the state's knowledge-based economy. MTC administers the Renewable Energy Trust, which was established to generate the maximum economic and... more

Ameresco provides a wide range of energy plant development, design, construction and management services for energy conversion equipment (e.g., boilers, chillers, air compressors) and for onsite generation and power plant operation. We can also develop, finance, own and operate these... more

San Diego Gas & Electric Company (SDG&E) is engaged in the purchase, sale and distribution of natural gas. SDG&E’s common stock is wholly owned by Enova Corporation, a wholly owned subsidiary of Sempra Energy. Sempra Energy also indirectly owns the common stock of Southern California Gas... more

Fidelis Energy Inc. (Fidelis) operates in the oil and gas industry. The Company's primary objective is to identify, acquire and develop working interest percentages in underdeveloped oil and gas projects in California, Texas and Canada that do not fit the portfolio requirements of the... more

Energy Northwest is a joint operating agency (JOA), comprising 20 member public utilities from across the state of Washington. We are governed by two boards: a Board of Directors and an Executive Board. Our Board of Directors includes representatives from member utilities, while the... more

Ormat Industries Limited is an Israel-based, vertically integrated company, whose primary business is to develop, build, own and operate geothermal and recovered energy generation (REG) power plants, utilizing in-house designed and manufactured equipment. Additionally, the Company... more

Provident Energy Trust (the Trust) is an open-end investment trust created to hold, directly and indirectly, all types of petroleum and natural gas and energy related assets, including without limitation facilities of any kind, oil sands interests, electricity or power generating assets... more

Raser Technologies, Inc, (Raser) is a geothermal power development and technology licensing company. The Company operates in two business segments: power systems and transportation and industrial technology. The power systems segment focuses on developing renewable geothermal electric... more

Sea Breeze designs its projects with a commitment to preserving and respecting the natural environment. Our projects will leave a minimal ecological footprint, so that we can produce truly green and renewable power for years to come. Well before construction takes place,we undertake... more

Enerplus Resources Fund (Enerplus) is an open-end investment trust. During the year ended December 31, 2007, the Fund’s production averaged 82,319 barrels of oil equivalent per day. The Company’s natural gas portfolio in 2007, comprised aggregator, AECO, and downstream direct sales. In... more

EXCO Resources, Inc. (EXCO) is an independent oil and natural gas company engaged in the acquisition, development and exploitation of onshore North American oil and natural gas properties. The Company’s operations are focused in key North American oil and natural gas areas, including East... more

Consumers Energy is a member-owned energy solutions cooperative specializing in energy delivery and energy management. Our 5,000 members are located in Marshall, Story, Polk, Tama, Jasper, and Hardin Counties. Today, Consumers Energy is perched on the threshold of a new and challenging... 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

The Long Island Power Authority, a non-profit municipal electric provider, owns the transmission and distribution system on Long Island and provides electric service to more than 1.1 million customers in Nassau and Suffolk counties and the Rockaway Peninsula in Queens. LIPA is the 2nd... more

In 1994, a broad coalition of public-interest organizations and energy companies created the Renewable Northwest Project (RNP) to actively promote development of the region's untapped renewable resources. RNP has proven to be a forceful advocate for expanding solar, wind and geothermal... more

Finavera Renewables Inc. is a Canada-based company that is in the business of developing projects and technology in the clean renewable energy sector. The Company’s focus is to develop its wind and wave energy assets with a view to becoming an alternative energy producer. The Company... more

AltaGas Utility Group Inc. (Utility Group) is a Canada-based company. The Company is engaged in the ownership and operation of regulated natural gas transmission and distribution facilities in Alberta, Nova Scotia and Inuvik, Canada, and natural gas production and processing facilities in... 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

Renegy Holdings, Inc. (Renegy) is a renewable energy company focused on acquiring, developing and operating a portfolio of biomass to electricity power generation facilities, in addition to the development, construction and operation of biomass facilities. Other business activities... more

Founded in 1923, the World Energy Council is a United Nations (UN)-accredited, nongovernmental organization with Member Committees in close to 100 countries, including most of the largest energy-producing and energy consuming countries. Its mission is to promote the sustainable supply and... more

Always there when needed, NPPD is Nebraska's energy leader, serving customers in 91 of Nebraska's 93 counties with retail or wholesale electrical power through a 5,000-mile transmission system. Governed by a popularly elected Board of Directors, the public utility seeks to enhance the... more

RAM Energy Resources, Inc. is an independent oil and natural gas company engaged in the acquisition, development, exploitation, exploration and production of oil and natural gas properties, primarily in Texas, Louisiana, Oklahoma and West Virginia. Its operations are encompassed in its... more

NC GreenPower is an independent, nonprofit organization established to improve North Carolina's environment through voluntary contributions toward renewable energy. A landmark initiative approved by the N.C. Utilities Commission, NC GreenPower is the first statewide green energy program... more

Atlas Energy Resources, LLC is an independent developer and producer of natural gas and oil, with operations in northern Michigan’s Antrim Shale and the Appalachian Basin. The Company also sponsors and manages tax-advantaged direct investment natural gas and oil partnerships in the United... more

SmartPower is a non-profit marketing organization dedicated to promoting clean energy and energy efficiency. SmartPower's 20% by 2010 campaign encourages institutions, municipalities and individuals to make a commitment to obtain 20% of their electricity from clean sources by 2010.

Rentech, Inc. develops technologies that transform under-utilized energy resources into an alternative fuel and chemicals. These energy resources include coal, petroleum coke, biomass, natural gas and municipal solid waste. Rentech has developed a Fischer-Tropsch (FT) process for... more

Prometheus Energy is a fuel company that produces, sells and distributes liquid natural gas, LNG. LNG is a clean burning, less expensive and safe alternative to diesel fuel and propane. We produce this fuel from stranded and waste sources of methane. This allows us to produce fuel close... more

Sempra Energy Resources is a subsidiary of Sempra Energy Global Enterprises, the umbrella for Sempra Energy's growth businesses. Sempra Energy Resources develops, operates and acquires power plants and energy infrastructure for the competitive market. Sempra Energy Resources operates a... more

Green Energy Resources (formally New York International Log & Lumber Co.) is a green bio-energy supply company, dedicated to preserving world forests, not cutting them. Green Energy Resources is a publicly traded, environmentally friendly "GREEN STOCK", (symbol GRGR) working with... more

Geodynamics Limited is an Australia-based company with a focus on hot fractured rocks (HFR) energy. The Company has HFR geothermal tenements in New South Wales, Queensland and in the north-eastern part of South Australia. HFR geothermal energy development is the Company’s primary focus... more

EnerNex® is an electric power engineering and consulting firm specializing in the development and application of new electric power technologies. EnerNex provides engineering services, consulting, and software development and customization for energy producers, distributors, users, and... more

Oklahoma Gas and Electric Company generates, transmits, distributes and sells electric energy in Oklahoma and western Arkansas. The Company is subject to regulation by the Oklahoma Corporation Commission (OCC), the Arkansas Public Service Commission (APSC) and the Federal Energy... more