| Name | Country | Market Cap (US$) |
|---|
| Exxon Mobil Corporation | United States | 359,369 |
| Petroleo Brasileiro S.A. | Brazil | 224,309 |
| BP plc | United Kingdom | 183,315 |
| Chevron Corp | United States | 157,974 |
| OAO Gazprom | Russia | 146,276 |
| Total SA | France | 142,761 |
| ENI SpA | Italy | 93,024 |
| Rosneft OJSC | Russia | 90,720 |
| Reliance Industries Ltd. | India | 83,411 |
| Statoil ASA | Norway | 82,597 |
| ConocoPhillips | United States | 77,701 |
| Schlumberger Ltd. | United States | 77,556 |
| China Petroleum & Chemicals Corporation | China | 75,124 |
| Occidental Petroleum Corporation | United States | 66,670 |
| Saudi Basic Industries Corporation | Saudi Arabia | 64,797 |
| Suncor Energy Inc. | Canada | 57,511 |
| Oil & Natural Gas Corporation Ltd | India | 54,929 |
| Ecopetrol S.A. | Colombia | 53,448 |
| Lukoil OAO | Russia | 51,222 |
| EnCana Corporation | Canada | 39,776 |
| Canadian Natural Resources Limited | Canada | 35,954 |
| Apache Corporation | United States | 32,868 |
| Imperial Oil Ltd. | Canada | 32,815 |
| Woodside Petroleum Ltd. | Australia | 32,430 |
| Repsol YPF S.A. | Spain | 31,114 |
| Air Liquide S.A. | France | 30,942 |
| Anadarko Petroleum Corporation | United States | 30,513 |
| Devon Energy Corporation | United States | 30,168 |
| Halliburton Company | United States | 27,455 |
| Transocean Limited | Switzerland | 27,297 |
| TNK-BP Holding OAO | Russia | 26,470 |
| Sasol Ltd. | South Africa | 26,211 |
| Gazprom Neft | Russia | 25,752 |
| Praxair, Inc. | United States | 25,606 |
| Formosa Petrochemical Corp. | Taiwan | 24,533 |
| XTO Energy Inc. | United States | 24,148 |
| Marathon Oil Corporation | United States | 23,423 |
| Fortum Oyj | Finland | 22,880 |
| Husky Energy Inc. | Canada | 22,264 |
| EOG Resources, Inc. | United States | 22,253 |
| PTT PCL | Thailand | 19,506 |
| Hess Corp | United States | 19,209 |
| Inpex Corp | Japan | 18,653 |
| Talisman Energy Inc. | Canada | 18,090 |
| Enterprise Products Partners LP | United States | 17,945 |
| Tullow Oil plc | United Kingdom | 16,730 |
| NOVATEK OAO | Russia | 16,506 |
| Galp Energia, SGPS, S.A. | Portugal | 15,383 |
| Indian Oil Corporation Ltd. | India | 15,058 |
| Chesapeake Energy Corporation | United States | 15,027 |
| YPF S.A. | Argentina | 14,916 |
| Diamond Offshore Drilling, Inc. | United States | 13,811 |
| Canadian Oil Sands Trust | Canada | 13,743 |
| OMV AG | Austria | 13,380 |
| PTT Exploration & Production PC, Ltd | Thailand | 12,832 |
| Nexen Inc. | Canada | 12,678 |
| Origin Energy Ltd. | Australia | 12,662 |
| Spectra Energy Corp. | United States | 12,541 |
| ARC Resources Ltd. | Canada | 12,355 |
| Cairn India Limited | India | 11,472 |
| Santos Ltd. | Australia | 11,423 |
| Noble Energy Inc. | United States | 11,332 |
| Tatneft OAO | Russia | 11,043 |
| Murphy Oil Corporation | United States | 11,024 |
| Noble Corporation | Switzerland | 10,716 |
| SeaDrill Limited | Bermuda | 9,954 |
| Valero Energy Corporation | United States | 9,159 |
| SK Energy Co., Ltd. | South Korea | 9,119 |
| Compania Espanola de Petroleos SA (CEPSA) | Spain | 9,032 |
| Rabigh Refining & Petrochemical Company | Saudi Arabia | 8,596 |
| Penn West Energy Trust | Canada | 7,546 |
| Range Resources Corporation | United States | 7,412 |
| Saudi Kayan Petrochemical Company | Saudi Arabia | 7,240 |
| Ultra Petroleum Corporation | United States | 7,015 |
| Questar Corporation | United States | 7,004 |
| Cairn Energy plc | United Kingdom | 6,830 |
| FMC Technologies, Inc. | United States | 6,748 |
| Ultrapar Participacoes S.A. | Brazil | 6,447 |
| ENSCO International Inc. | United States | 6,423 |
| Crescent Point Energy Corp | Canada | 6,363 |
| Continental Resources, Inc | United States | 6,329 |
| Petrohawk Energy Corporation | United States | 6,306 |
| Oil India Limited | India | 6,195 |
| Nippon Oil Corporation | Japan | 6,121 |
| Worleyparsons Limited | Australia | 6,101 |
| Oil Search Ltd. | Australia | 6,060 |
| A2A SpA | Italy | 6,043 |
| Offshore Oil Engineering Co Ltd | China | 5,796 |
| Petronas Gas Bhd | Malaysia | 5,786 |
| Nabors Industries Ltd. | Bermuda | 5,765 |
| Petrofac Limited | United Kingdom | 5,731 |
| Oil & Gas Development Corporation | Pakistan | 5,637 |
| Pride International, Inc. | United States | 5,578 |
| Newfield Exploration Company | United States | 5,568 |
| BJ Services Company | United States | 5,492 |
| S-Oil Corp | South Korea | 5,488 |
| China Oilfield Services Ltd | China | 5,221 |
| Petrom S.A. | Romania | 5,217 |
| CNPC Hong Kong Ltd | Hong Kong | 5,109 |
| PKN ORLEN SA | Poland | 4,943 |
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