| Company |
Ticker Symbol |
 |
| ACERGY | ACY.OL |
|
| Alon USA Energy Inc. | ALJ |
|
| Alpha Natural Resources, Inc. | ANR |
|
| Anadarko Petroleum Corp. | APC |
|
| Apache Corp. | APA |
|
| Arch Coal | ACI |
|
| Baker Hughes Inc. | BHI |
|
| Ballard Power Systems | BLDP |
|
| Basic Energy Services | BAS |
|
| BG Group PLC ADS | BG.L |
|
| Bill Barrett Corporation | BBG |
|
| BJ Services Co. | BJS |
|
| BP p.l.c. | BP |
|
| Bristow Group Inc. | BRS |
|
| Cal Dive International | DVR |
|
| CALFRAC WELL SERVICES LTD. | CFW.TO |
|
| Calpine Corporation | CPN |
|
| Cameron International | CAM |
|
| CARBO Ceramics, Inc. | CRR |
|
| CGG VERITAS | GA.PA |
|
| Chesapeake Energy Corp. | CHK |
|
| Chevron Corporation | CVX |
|
| Chicago Bridge & Iron | CBI |
|
| Clean Energy Fuels Corp | CLNE |
|
| Cloud Peak Energy Inc. | CLD |
|
| Complete Production Services | CPX |
|
| Concho Resources, Inc. | CXO |
|
| ConocoPhillips | COP |
|
| Consol Energy | CNX |
|
| Constellation Energy Group | CEG |
|
| Continental Resources, Inc. | CLR |
|
| Core Laboratories NV | CLB |
|
| CVR Energy, Inc. | CVI |
|
| Dana Petroleum | DNX.L |
|
| Delek US Holdings Inc | DK |
|
| Delta Petroleum Corp | DPTR |
|
| Denbury Resources Inc. | DNR |
|
| Devon Energy Corp. | DVN |
|
| Diamond Offshore Drilling Inc. | DO |
|
| Dresser-Rand | DRC |
|
| Dril-Quip, Inc. | DRQ |
|
| Dynegy Inc. | DYN |
|
| Energy Conversion Devices, Inc. | ENER |
|
| Eni S.p.A. | E |
|
| Ensco International Inc. | ESV |
|
| EOG Resources, Inc. | EOG |
|
| Evergreen Solar | ESLR |
|
| Exterran Holdings, Inc | EXH |
|
| Exxon Mobil Corporation | XOM |
|
| First Solar, Inc. | FSLR |
|
| Fluor | FLR |
|
| FMC Technologies, Inc. | FTI |
|
| Forest Oil Corp. | FST |
|
| Frontier Oil Corporation | FTO |
|
| Fuel Cell Energy | FCEL |
|
| Gasco Energy Inc. | GSX |
|
| GLOBAL GEOPHYSICAL SERVICES | GGS |
|
| Goodrich Petroleum | GDP |
|
| Gulfport Energy Corp | GPOR |
|
| Halliburton Company | HAL |
|
| Headwaters Inc. | HW |
|
| Helix Energy Solutions Group, Inc | HLX |
|
| Helmerich & Payne, Inc. | HP |
|
| Hercules Offshore, Inc. | HERO |
|
| Hess Corporation | HES |
|
| Holly Corporation | HOC |
|
| Hornbeck Offshore Services Inc. | HOS |
|
| International Coal Group Inc. | ICO |
|
| JA Solar Holdings Co., LTD | JASO |
|
| Jacobs Engineering | JEC |
|
| James River Coal Co. | JRCC |
|
| JKX OIL & GAS | JKX.L |
|
| John Wood Group PLC | WG.L |
|
| KBR, Inc. | KBR |
|
| Key Energy Services Inc | KEG |
|
| Marathon Oil Corporation | MRO |
|
| Massey Energy | MEE |
|
| Mirant Corporation | MIR |
|
| Murphy Oil Corp. | MUR |
|
| Nabors Industries Ltd. | NBR |
|
| National Oilwell Varco | NOV |
|
| Newfield Exploration Co. | NFX |
|
| Noble Corporation | NE |
|
| Noble Energy, Inc. | NBL |
|
| NRG ENERGY | NRG |
|
| OASIS PETROLEUM | OAS |
|
| Occidental Petroleum Corp | OXY |
|
| Oceaneering International | OII |
|
| Oil States International | OIS |
|
| OYO Geospace | OYOG |
|
| Patriot Coal Corporation | PCX |
|
| Patterson-UTI Energy, Inc. | PTEN |
|
| Peabody Energy Corp. | BTU |
|
| Petrofac Ltd | PFC.L |
|
| Petroleo Brasileiro SA Petrobras | PBR |
|
| Petroleum Geo-Services | PGS |
|
| PetroQuest Energy, Inc. | PQ |
|
| Pioneer Drilling Company | PDC |
|
| Pioneer Natural Resources | PXD |
|
| Plains Exploration and Production Company | PXP |
|
| Plug Power | PLUG |
|
| Precision Drilling Trust | PDS |
|
| Pride International, Inc. | PDE |
|
| Public Service Enterprise Group Inc. | PEG |
|
| Q-CELLS | QCE.F |
|
| Quicksilver Resources Inc. | KWK |
|
| Range Resources Corp. | RRC |
|
| Renewable Energy | REC.OL |
|
| Rentech, Inc. | RTK |
|
| Repsol YPF, S.A. | REP |
|
| Rosetta Resources, Inc. | ROSE |
|
| Rowan Companies, Inc. | RDC |
|
| Royal Dutch Shell plc. | RDS-A |
|
| RRI Energy, Inc. | RRI |
|
| Saipem S.p.A. | SPM.MI |
|
| Sandridge Energy Inc. | SD |
|
| SBM Offshore | SBMO.AS |
|
| Schlumberger Limited | SLB |
|
| Scorpion Offshore | SCORE.OL |
|
| SeaDrill | SDRL.OL |
|
| Smith International, Inc. | SII |
|
| Solarfun Power Holdings Co., Ltd. | SOLF |
|
| Southwestern Energy Company | SWN |
|
| Statoil ASA | STO |
|
| Stone Energy Corporation | SGY |
|
| Subsea 7, Inc. | SUB.OL |
|
| Suncor Energy Inc. | SU |
|
| Sunoco, Inc. | SUN |
|
| SunPower | SPWRA |
|
| Suntech Power Holdings Co. Ltd. | STP |
|
| Superior Energy Services, Inc. | SPN |
|
| Superior Well Services Inc. | SWSI |
|
| Synthesis Energy | SYMX |
|
| T-3 Energy Services, Inc. | TTES |
|
| TECHNIP | TEC.PA |
|
| Tenaris SA | TS |
|
| Tesco Corporation | TESO |
|
| Tesoro Petroleum Corp. | TSO |
|
| TGS-Nopec Geophysical Company | TGS.OL |
|
| The Shaw Group Inc. | SGR |
|
| Tidewater Inc. | TDW |
|
| TOTAL S.A. | TOT |
|
| Transocean Inc. | RIG |
|
| Tullow Oil | TLW.L |
|
| Valero Energy Corp. | VLO |
|
| VALLOUREC | VK.PA |
|
| Vestas Wind Systems | VWS.CO |
|
| Walter Energy, Inc. | WLT |
|
| Weatherford International LTD | WFT |
|
| Wellstream Holdings | WSM.L |
|
| Western Refining Inc. | WNR |
|
| Whiting Petroleum Corporation | WLL |
|
| Yingli Green Energy Holding Co. Ltd. | YGE |
|
