| ABO-Wind | 78 | 517 |
| Acciona Energia | 315 | 8,255 |
| Adelis | 9 | 73 |
| Aerowatt | 28 | 103 |
| Air Energy | 14 | 132 |
| Airtricity | 11 | 746 |
| Alerion | 14 | 450 |
| Altus AG | 5 | 62 |
| Aspiravi | 6 | 30 |
| B9 Energy | 11 | 144 |
| Babcock & Brown | 6 | 643 |
| BMR | 16 | 105 |
| Boreas | 56 | 239 |
| Cannon Power Corp. | 7 | 398 |
| Catavento | 5 | 19 |
| Cavalum | 11 | 37 |
| Cielo Wind Power | 9 | 407 |
| CLP Group | 31 | 1,491 |
| CNR | 5 | 43 |
| Community Wind Power Co. | 16 | 125 |
| Compagnie du Vent | 29 | 287 |
| Cornwall Light & Power | 6 | 16 |
| Das grüne Emissionshaus | 10 | 205 |
| Datang | 6 | 120 |
| Datang Chifeng Saihanba Wind Power Co.. Ltd | 7 | 294 |
| Datang Corporation | 6 | 202 |
| Denker&Wulf | 51 | 404 |
| Dezentrale Energie | 19 | 65 |
| Dirkshof Erneuerbare Energien GmbH | 5 | 73 |
| Dong Energy | 15 | 1,519 |
| Duke Energy | 11 | 703 |
| DWS/John Deere Wind | 11 | 180 |
| e.n.o. Energy | 6 | 52 |
| E.ON Climate Renewables | 41 | 3,690 |
| EAB New Energy Group | 25 | 177 |
| Ecogen Ltd | 5 | 35 |
| Ecotricity | 18 | 58 |
| EDF-EN | 100 | 4,245 |
| EDF-EN/Vergnet SA | 5 | 13 |
| Edison Mission Group | 9 | 816 |
| EDP Renovaveis | 46 | 3,492 |
| EED | 5 | 22 |
| Electrawinds | 15 | 121 |
| Endesa | 5 | 117 |
| Enel Greenpower | 16 | 551 |
| ENEOP | 21 | 328 |
| Enercon | 23 | 295 |
| Energie & Umwelt Dienstleistungen | 6 | 25 |
| Energieanlagen FB | 7 | 29 |
| Energiekontor | 54 | 408 |
| Energiequelle | 8 | 54 |
| Energieteam | 15 | 146 |
| Energiewerkstatt GmbH | 7 | 48 |
| Energy Unlimited | 5 | 30 |
| Eneria | 5 | 43 |
| Enernova | 11 | 147 |
| Enersis | 32 | 554 |
| Enertrag | 17 | 192 |
| Enova | 5 | 44 |
| Enron Wind Corp. | 8 | 519 |
| Eole Generation | 16 | 235 |
| Eole-Res | 28 | 441 |
| Eolfi | 10 | 62 |
| Eolica Guadalteba | 9 | 158 |
| Erelia | 11 | 172 |
| Eurus Energy | 24 | 907 |
| EWS Consulting | 20 | 187 |
| Exergy Development Group | 15 | 411 |
| EyRA | 5 | 149 |
| First Wind | 17 | 945 |
| Fred Olsen Renewables | 8 | 321 |
| Gamesa | 39 | 870 |
| Generg | 16 | 402 |
| Geo Mbh | 9 | 44 |
| Germania Windpark | 26 | 196 |
| GEWI | 7 | 21 |
| Global Wind Power | 39 | 363 |
| Guangdong Yudean Shibeishan Wind Power Development Co. Ltd | 6 | 143 |
| Haus der Windenergie | 5 | 34 |
| Hebei Hong-Song Wind Power Share Holding Ltd | 7 | 205 |
| Heilongjiang Huafu Power Investment Co. Ltd | 7 | 74 |
| Heritage Sustainable Energy | 6 | 71 |
| Huaneng New Energy Industrial Co. Ltd | 5 | 163 |
| Iberdrola Renewables | 63 | 4,322 |
| IEL/Innovent | 5 | 25 |
| Infigen Energy | 10 | 617 |
| Infinivent | 14 | 131 |
| Ing. Henning Holst | 16 | 84 |
| Inner north | 23 | 190 |
| Innovent | 23 | 134 |
| Intervent | 8 | 84 |
| Invenergy | 42 | 3,481 |
| JMB Energie | 7 | 41 |
| John Deere Wind | 11 | 251 |
| Juhl Wind | 16 | 183 |
| Juwi | 73 | 517 |
| K S Oils | 6 | 43 |
| Kenetech | 9 | 420 |
| Kotzebue Electric Association | 8 | 1 |
| LongYuan | 65 | 1,596 |
| LuNeng | 8 | 23 |
| Luneng Rongcheng Wind Power Company | 5 | 60 |
| Maïa Eolis | 19 | 180 |
| MaoLin | 6 | 51 |
| Martifer Renewables | 13 | 203 |
| MBBF | 14 | 97 |
| MidAmerican Energy | 9 | 489 |
| Midwest Wind Energy | 7 | 927 |
| MSPL Limited | 8 | 237 |
| Nanao Wind Power | 7 | 10 |
| Net Service GmbH | 6 | 24 |
| NewEN | 10 | 50 |
| NextEra Energy Resources | 63 | 6,075 |
| Ningxia Electric Power Group Co. Ltd | 9 | 208 |
| Ningxia Tianjing | 5 | 50 |
| Noble Environmental Power | 10 | 963 |
| Nordex | 41 | 774 |
| Northern Alternative Energy | 14 | 70 |
| Notus | 16 | 152 |
| Nuon Renewables | 5 | 63 |
| O2 | 7 | 88 |
| OKOENERGIE GmbH | 11 | 89 |
| Orion Energy LLC | 5 | 724 |
| Ostwind | 68 | 602 |
| P&T Technologie | 12 | 92 |
| Pacific Hydro | 16 | 230 |
| Pacificorp | 9 | 693 |
| Plan 8 | 49 | 102 |
| PNE | 17 | 191 |
| Polat Enerji | 5 | 203 |
| Poweo | 36 | 306 |
| PPM Energy | 17 | 1,556 |
| Projekt GmbH | 6 | 53 |
| Prokon | 46 | 439 |
| Qixia Ruilin Wind Power Go.Ltd. | 6 | 32 |
| RDC | 6 | 167 |
| RDE | 6 | 70 |
| REA Düren | 5 | 10 |
| Renerco | 8 | 107 |
| Renovalia | 8 | 353 |
| RES | 43 | 2,225 |
| RES/B9 Energy | 10 | 112 |
| Rokas | 16 | 217 |
| RPC | 5 | 40 |
| RWE | 34 | 1,328 |
| Scottish & Southern | 13 | 636 |
| Scottish Power | 12 | 1,048 |
| SeaWest | 30 | 497 |
| SeeBA EnergyFarming | 107 | 527 |
| SFE Française d’Eoliennes | 12 | 171 |
| Shenyang Jinshan Energy Co. Ltd | 5 | 64 |
| SL Windenergie | 14 | 64 |
| Sofiva | 7 | 62 |
| SPE | 8 | 52 |
| Sustainable Energy Developments | 9 | 5 |
| Suzlon | 54 | 1,338 |
| Tecneira | 7 | 71 |
| Tecneira Tecnoligias Energeticas SA | 5 | 79 |
| Théolia | 20 | 211 |
| Umweltkontor | 8 | 38 |
| Valeco | 6 | 34 |
| Valorem | 27 | 305 |
| Vattenfall | 10 | 1,085 |
| Ventis | 7 | 60 |
| Ventotec | 47 | 561 |
| Vergnet | 11 | 148 |
| Veronagest | 7 | 282 |
| Verve Energy | 5 | 58 |
| Volkswind | 51 | 468 |
| Vortex Energy | 7 | 165 |
| VSB Energies Nouvelles | 15 | 146 |
| WEA GmbH | 6 | 77 |
| WEB Windenergie AG | 9 | 130 |
| WES-IBS | 5 | 20 |
| WestWind | 15 | 132 |
| Wind Prospect | 67 | 973 |
| Wind7 | 20 | 76 |
| Windenergie Wenger-Rosenau GmbH | 5 | 10 |
| Windpark nördliches Emsland GmbH | 6 | 57 |
| Windstrom | 50 | 508 |
| Windvision | 5 | 96 |
| Windwärts | 33 | 230 |
| Winkra | 16 | 151 |
| Winpro | 6 | 30 |
| WKN AG | 74 | 929 |
| Wotan Gruppe | 19 | 109 |
| WPD | 207 | 1,877 |
| Xinjiang Tianfeng | 5 | 159 |
| Xinjiang Wind Energy Liability Co..LTD. | 16 | 40 |
| Yantai Dongyuan | 5 | 55 |
| Yingkou Wind Power Generation Co..Ltd | 12 | 34 |
| Youngduk Wind Power Co. Ltd | 5 | 68 |
| Your Energy | 6 | 77 |
| Zhangjiakou Great Wall Wind Power Co.Ltd | 5 | 10 |
| Zond Systems | 9 | 168 |
