| Name | Country | Market Cap (US$) |
|---|
| Royal Dutch Shell PLC | Netherlands | 188,773 |
| Korea Electric Power Corporation (KEPCO) | South Korea | 17,869 |
| Energy Transfer Equity, LP | United States | 6,419 |
| Advantest Corporation | Japan | 3,903 |
| Guangdong Baolihua New Energy Stock Co Ltd | China | 1,632 |
| Yamatake Corporation | Japan | 1,585 |
| Teradyne, Inc. | United States | 1,484 |
| Volga TGC | Russia | 1,342 |
| STATS ChipPAC Ltd. | Singapore | 1,309 |
| Zhejiang Southeast Electric Power Company Ltd. | China | 1,170 |
| Trina Solar Ltd | China | 1,146 |
| Avista Corporation | United States | 1,064 |
| Horiba, Ltd. | Japan | 1,034 |
| China Power International Development Limited | Hong Kong | 1,009 |
| DCP Midstream Partners LP | United States | 810 |
| Linc Energy Ltd | Australia | 596 |
| Greatek Electronics Inc | Taiwan | 520 |
| Changchun Gas Co Ltd | China | 517 |
| Sichuan Xichang Power Joint Stock Company Ltd | China | 507 |
| Guangxi Gui Dong Electric Power Co Ltd | China | 500 |
| Qianjiang Water Resources Development Co Ltd | China | 491 |
| Mantra Resources Ltd | Australia | 470 |
| Pha Lai Thermal Power JSC | Vietnam | 468 |
| Quicksilver Gas Services LP | United States | 453 |
| Fersa Energias Renovables SA | Spain | 423 |
| Actelios SpA | Italy | 417 |
| Nidec Copal Electronics Corporation | Japan | 417 |
| Poweo SA | France | 414 |
| The Hub Power Company Ltd. | Pakistan | 410 |
| Phoenix Solar AG | Germany | 384 |
| Osaki Electric Company, Ltd. | Japan | 363 |
| Guizhou Qianyuan Power Co Ltd | China | 347 |
| Vinh Son - Song Hinh Hydropower JSC | Vietnam | 283 |
| Macquarie Power & Infrastructure Income Fund | Canada | 283 |
| Chongqing Three Gorges Water Conservancy and Electric Power | China | 262 |
| Avdeevka Coke-Chemical Plant | Ukraine | 260 |
| Ningbo Thermal Power Co Ltd | China | 214 |
| AOI Electronics Company, Ltd. | Japan | 200 |
| Shriram EPC Limited | India | 200 |
| GeoResources, Inc. | United States | 186 |
| EXFO Electro-Optical Engineering, Inc. | Canada | 175 |
| China Integrated Energy, Inc | China | 164 |
| Novera Energy plc | United Kingdom | 164 |
| China Sunergy Company Limited | China | 162 |
| VERBIO Vereinigte BioEnergie AG | Germany | 162 |
| PowerSecure International Inc. | United States | 153 |
| Sahacogen (Chonburi) PCL | Thailand | 123 |
| Renewable Energy Generation Ltd | United Kingdom | 112 |
| China Ritar Power Corp | China | 106 |
| Canadian Energy Services L.P. | Canada | 105 |
| Red Fork Energy Ltd. | Australia | 102 |
| U.S. Geothermal Inc. | United States | 98 |
| GENESYS WIND Aktiengesellschaft | Switzerland | 97 |
| Voltalia | France | 95 |
| Biopetrol Industries AG | Switzerland | 93 |
| Finetex EnE Inc. | South Korea | 84 |
| Orion Energy Systems, Inc. | United States | 84 |
| Metgasco Ltd. | Australia | 80 |
| Active Power, Inc. | United States | 80 |
| Rhein-Ruhr Energie AG | Germany | 77 |
| Sunovia Energy Technologies, Inc | United States | 73 |
| Island Gas Resources PLC | United Kingdom | 72 |
| Ocean Power Technologies, Inc. | United States | 69 |
| Toplifikacija AD | Macedonia | 67 |
| Kian Shen Corporation | Taiwan | 64 |
| Rion Co., Ltd. | Japan | 56 |
| Mirae Corporation | South Korea | 54 |
| Solar Power Inc. | United States | 54 |
| sunways AG | Germany | 53 |
| Great New Wave Coming Co Ltd | South Korea | 50 |
| Altern Energy Limited | Pakistan | 47 |
| BioFuel Energy Corp | United States | 42 |
| Panax Geothermal Ltd. | Australia | 42 |
| Helius Energy plc | United Kingdom | 41 |
| Verenium Corporation | United States | 39 |
| MEC Resources Limited | Australia | 37 |
| Aerowatt | France | 36 |
| Bagliykoks | Ukraine | 33 |
| Renewable Energy Holdings plc | United Kingdom | 33 |
| Akeena Solar Inc | United States | 33 |
| TAKES.GROUP LTD | Japan | 30 |
| Khanh Hoa Power JSC | Vietnam | 29 |
| NZ Windfarms Ltd | New Zealand | 29 |
| XSUNX, Inc | United States | 24 |
| OPEL International Inc | Canada | 20 |
| Carbon Sciences Inc | United States | 19 |
| Payom Solar AG | Germany | 19 |
| IMP Power Ltd | India | 19 |
| Quantel | France | 19 |
| Wasabi Energy Limited | Australia | 18 |
| Torrens Energy Limited | Australia | 17 |
| Waytronx, Inc. | United States | 17 |
| Inter Action Corporation | Japan | 15 |
| Sky Harvest Windpower Corp | Canada | 15 |
| Encounter Resources Ltd | Australia | 14 |
| LuGia Mechanical Electric JSC | Vietnam | 14 |
| SunSeeker Energy (Australasia) Limited | New Zealand | 14 |
| AEM Holdings Ltd | Singapore | 14 |
| Sunright Ltd. | Singapore | 13 |
| Renewable Power & Light plc | United Kingdom | 13 |
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