| Name | Country | Market Cap (US$) |
|---|
| Royal Dutch Shell PLC | Netherlands | 150,360 |
| Korea Electric Power Corporation (KEPCO) | South Korea | 10,120 |
| Energy Transfer Equity, LP | United States | 3,340 |
| Sunpower Corporation | United States | 2,079 |
| Advantest Corporation | Japan | 2,008 |
| Techem AG & Co | Germany | 1,656 |
| Yamatake Corporation | Japan | 1,488 |
| SDIC Huajing Power Holdings Co Ltd | China | 1,152 |
| Guangdong Baolihua New Energy Stock Co Ltd | China | 981 |
| Avista Corporation | United States | 962 |
| Magellan Midstream Holdings, L.P. | United States | 836 |
| Zhejiang Southeast Electric Power Company Ltd. | China | 799 |
| Linc Energy Ltd | Australia | 738 |
| STATS ChipPAC Ltd. | Singapore | 699 |
| Horiba, Ltd. | Japan | 695 |
| China Power International Development Limited | China | 655 |
| Teradyne, Inc. | United States | 554 |
| Atlantic Power Corporation | Canada | 541 |
| Pha Lai Thermal Power JSC | Vietnam | 441 |
| Fersa Energias Renovables SA | Spain | 425 |
| Nidec Copal Electronics Corporation | Japan | 355 |
| Changchun Gas Co Ltd | China | 318 |
| The Hub Power Company Ltd. | Pakistan | 305 |
| Actelios SpA | Italy | 289 |
| Greatek Electronics Inc | Taiwan | 271 |
| Qianjiang Water Resources Development Co Ltd | China | 260 |
| Guangxi Gui Dong Electric Power Co Ltd | China | 230 |
| Volga TGC | Russia | 229 |
| Vinh Son - Song Hinh Hydropower JSC | Vietnam | 225 |
| Sichuan Xichang Power Joint Stock Co Ltd | China | 214 |
| DCP Midstream Partners LP | United States | 213 |
| Poweo SA | France | 199 |
| Osaki Electric Company, Ltd. | Japan | 194 |
| Macquarie Power & Infrastructure Income Fund | Canada | 189 |
| Guizhou Qianyuan Power Co Ltd | China | 186 |
| Quicksilver Gas Services LP | United States | 180 |
| Phoenix Solar AG | Germany | 172 |
| EXFO Electro-Optical Engineering, Inc. | Canada | 169 |
| Avdiivka Cokery | Ukraine | 160 |
| Algonquin Power Income Fund | Canada | 156 |
| Chongqing Three Gorges Water Conservancy and Electric Power | China | 150 |
| Sahacogen (Chonburi) PCL | Thailand | 119 |
| Renewable Energy Generation Ltd | United Kingdom | 119 |
| China Bio Energy Holding Co, Ltd. | China | 115 |
| GeoResources, Inc. | United States | 110 |
| Ningbo Thermal Power Co Ltd | China | 107 |
| Shriram EPC Limited | India | 104 |
| Novera Energy plc | United Kingdom | 102 |
| GENESYS WIND Aktiengesellschaft | Switzerland | 101 |
| China Sunergy Company Limited | China | 89 |
| Orion Energy Systems, Inc. | United States | 83 |
| VERBIO Vereinigte BioEnergie AG | Germany | 76 |
| AOI Electronics Company, Ltd. | Japan | 75 |
| Canadian Energy Services L.P. | Canada | 74 |
| Bagliykoks | Ukraine | 72 |
| Altern Energy Limited | Pakistan | 65 |
| Akeena Solar Inc | United States | 64 |
| Verenium Corporation | United States | 59 |
| Rion Co., Ltd. | Japan | 56 |
| Voltalia | France | 55 |
| PowerSecure International Inc. | United States | 54 |
| Incremental Petroleum Ltd. | Australia | 52 |
| Aerowatt | France | 49 |
| Ocean Power Technologies, Inc. | United States | 48 |
| sunways AG | Germany | 45 |
| Island Gas Resources PLC | United Kingdom | 44 |
| Renewable Energy Holdings plc | United Kingdom | 42 |
| U.S. Geothermal Inc. | United States | 37 |
| EnE System, Inc. | South Korea | 37 |
| Solar Power Inc. | United States | 35 |
| XSUNX, Inc | United States | 35 |
| Biopetrol Industries AG | Switzerland | 34 |
| NZ Windfarms Ltd | New Zealand | 34 |
| TAKES.GROUP LTD | Japan | 34 |
| Mantra Resources Ltd | Australia | 33 |
| Toplifikacija AD | Macedonia | 31 |
| Metgasco Ltd. | Australia | 31 |
| Mirae Corporation | South Korea | 28 |
| Rhein-Ruhr Energie AG | Germany | 27 |
| Carbon Sciences Inc | United States | 26 |
| Schmack Biogas AG | Germany | 26 |
| China Ritar Power Corp | China | 26 |
| Donetskkoks | Ukraine | 25 |
| Helius Energy plc | United Kingdom | 24 |
| Kian Shen Corporation | Taiwan | 21 |
| Waytronx, Inc. | United States | 20 |
| Nacel Energy Corp. | United States | 18 |
| Renewable Power & Light plc | United Kingdom | 17 |
| Intraco Ltd. | Singapore | 16 |
| Red Fork Energy Ltd. | Australia | 16 |
| Active Power, Inc. | United States | 16 |
| Nova Biosource Fuels, Inc. | United States | 15 |
| Ichitaka Co. | Japan | 15 |
| Quantel | France | 13 |
| Payom Solar AG | Germany | 12 |
| Inter Action Corporation | Japan | 12 |
| Khanh Hoa Power JSC | Vietnam | 12 |
| Natural Fuel Ltd | Australia | 11 |
| BioFuel Energy Corp | United States | 10 |
| Clear Skies Solar, Inc. | United States | 9 |
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