| Abengoa Bioenergy of Nebraska LLC | United States |
Private
|
| Abu Dhabi Oil Co., Ltd. | Japan |
Private
|
| Abwicklungsgesellschaft Biogas I AG | Germany |
Private
|
| AES Andres B.V. | Dominican Republic |
Private
|
| AGA Gas Inc. | United States |
Private
|
| Air Products Nederland B.V. | Netherlands |
Private
|
| Amazys Holding GmbH | Switzerland |
Private
|
| Amoco Canada Petroleum Company | Canada |
Private
|
| Bede plc | United Kingdom |
Private
|
| Breck Operating Corporation | United States |
Private
|
| British Nuclear Fuels Limited | United Kingdom |
Private
|
| Cirque Energy Ltd. | Canada |
Private
|
| Companhia Piratininga de Forca e Luz | Brazil |
Private
|
| Compania General de Combustibles S.A. | Argentina |
Private
|
| CPL Petroleum Ltd | United Kingdom |
Private
|
| Daigle Oil Company | United States |
Private
|
| Dominion Energy Wexpro | United States |
Private
|
| EDF Renewables, Inc. | United States |
Private
|
| EDF Renouvelables SA | France |
Private
|
| ElectroAndina S.A. | Chile |
Private
|
| Empresa Energetica De Mato Grosso Do Sul S.A. - ENERSUL | Brazil |
Private
|
| Eneco Wind Belgium S.A. | Belgium |
Private
|
| Ener-Grid, Inc. | United States |
Private
|
| Esso Oyj | Finland |
Private
|
| Financiera de Desarrollo Nacional S.A. | Colombia |
Private
|
| Frontier Natural Gas Corporation | United States |
Private
|
| Gary-Williams Energy Corporation | United States |
Private
|
| GEA AG | Germany |
Private
|
| GENESYS WIND Aktiengesellschaft | Switzerland |
Private
|
| GeoResources, Inc. | United States |
Private
|
| Global Energy, Inc. | Israel |
Private
|
| GLP NT Corporation | Canada |
Private
|
| Grimes Oil Company, Inc. | United States |
Private
|
| Hawkeye Renewables, LLC | United States |
Private
|
| Hawkins Energy Corporation | United States |
Private
|
| Helius Energy Limited | United Kingdom |
Private
|
| Ichitaka Company, Limited | Japan |
Private
|
| Incremental Petroleum Pty Limited | Australia |
Private
|
| Indo Integrated Energy BV | Netherlands |
Private
|
| Indonesia Petroleum Ltd. | Japan |
Private
|
| Interpipe Limited | Cyprus |
Private
|
| Intrepid Technology & Resources, Inc. | United States |
Private
|
| Kaiser-Francis Oil Company | United States |
Private
|
| Kyokuto Petroleum Industries, Ltd. | Japan |
Private
|
| Laurasia Resources Ltd. | Canada |
Private
|
| Lausitzer Braunkohle AG (LAUBAG) | Germany |
Private
|
| Magellan Midstream Holdings, L.P. | United States |
Private
|
| Mansfield Oil Company, Inc. | United States |
Private
|
| Mantra Resources Pty Limited | Australia |
Private
|
| MFA Oil Company | United States |
Private
|
| Midamerican Energy Company | United States |
Private
|
| Monument Oil and Gas plc | United Kingdom |
Private
|
| Natsionalna Elektricheska Kompania EAD | Bulgaria |
Private
|
| Nerox Energy Corporation | United States |
Private
|
| Nidec Copal Electronics Corporation | Japan |
Private
|
| Nihonkai Oil Co., Ltd. | Japan |
Private
|
| Northeast Biofuels, LP | United States |
Private
|
| Novera Energy Limited | United Kingdom |
Private
|
| NSTAR LLC | United States |
Private
|
| OSI Geospatial Inc. | Canada |
Private
|
| Parker & Parsley Petroleum Company | United States |
Private
|
| Parker Oil Company Inc. | United States |
Private
|
| Petrosearch Energy Corp | United States |
Private
|
| Phillips-Imperial Petroleum Ltd. | United Kingdom |
Private
|
| Powerbags AG | Germany |
Private
|
| PRATERM SA | Poland |
Private
|
| Puget Sound Energy, Inc. | United States |
Private
|
| R & B Falcon | United States |
Private
|
| Renewable Energy Generation Ltd | United Kingdom |
Private
|
| Renewable Energy Holdings plc | United Kingdom |
Private
|
| Renewable Power & Light Ltd. | United Kingdom |
Private
|
| Run of River Power Inc | Canada |
Private
|
| Ry Ninh II Hydroelectric JSC | Vietnam |
Private
|
| Sage Energy Company | United States |
Private
|
| Samedan Oil Corporation | United States |
Private
|
| Samson Resources Company | United States |
Private
|
| Second Wave Petroleum Inc. | Canada |
Private
|
| Seki Technotron Corporation | Japan |
Private
|
| Sinclair Oil Corporation | United States |
Private
|
| Sky Harvest Energy Corp. | Canada |
Private
|
| Solar AG | Germany |
Private
|
| Solarbrook Water & Power Corp. | United States |
Private
|
| Solv-Ex Corporation | United States |
Private
|
| Sonat Exploration Company | United States |
Private
|
| Stedin Holding N.V | Netherlands |
Private
|
| Syncrude Canada Ltd. | Canada |
Private
|
| Techem AG & Co | Germany |
Private
|
| Tersus Energy Ltd | United Kingdom |
Private
|
| Texaco Exploration & Production Inc. | United States |
Private
|
| Texas Utilities Mining Company | United States |
Private
|
| TOTAL Austral S.A. | Argentina |
Private
|
| Total E&P Danmark A/S | Denmark |
Private
|
| US Bioenergy Corporation | United States |
Private
|
| Valiant Energy Inc. | Canada |
Private
|
| Verdant Technology Corp | United States |
Private
|
| Verenium Corporation | United States |
Private
|
| Vycon, Inc. | United States |
Private
|
| Wabash Valley Power Association Inc | United States |
Private
|
| Walsh & Watts Inc. | United States |
Private
|
| Wentworth Resources PLC | United Kingdom |
Private
|
|
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