| Name | Country | Market Cap (US$) |
|---|
| Exxon Mobil Corporation | United States | 363,025 |
| Petroleo Brasileiro S.A. | Brazil | 226,335 |
| BP plc | United Kingdom | 184,190 |
| Chevron Corp | United States | 159,779 |
| Total SA | France | 143,087 |
| OAO Gazprom | Russia | 140,424 |
| ENI SpA | Italy | 93,657 |
| Rosneft OJSC | Russia | 90,720 |
| Statoil ASA | Norway | 84,067 |
| ConocoPhillips | United States | 78,487 |
| Schlumberger Ltd. | United States | 78,036 |
| Reliance Industries Ltd. | India | 77,560 |
| China Petroleum & Chemicals Corporation | China | 75,538 |
| Occidental Petroleum Corporation | United States | 68,204 |
| Saudi Basic Industries Corporation | Saudi Arabia | 65,397 |
| Suncor Energy Inc. | Canada | 56,847 |
| Oil & Natural Gas Corporation Ltd | India | 54,605 |
| Ecopetrol S.A. | Colombia | 53,893 |
| Lukoil OAO | Russia | 49,952 |
| EnCana Corporation | Canada | 40,999 |
| Canadian Natural Resources Limited | Canada | 37,561 |
| Imperial Oil Ltd. | Canada | 33,364 |
| Apache Corporation | United States | 32,928 |
| Woodside Petroleum Ltd. | Australia | 32,814 |
| Repsol YPF S.A. | Spain | 31,788 |
| Air Liquide S.A. | France | 31,012 |
| Anadarko Petroleum Corporation | United States | 30,656 |
| Devon Energy Corporation | United States | 30,554 |
| Transocean Limited | Switzerland | 27,734 |
| Halliburton Company | United States | 27,247 |
| Sasol Ltd. | South Africa | 27,002 |
| TNK-BP Holding OAO | Russia | 26,440 |
| Gazprom Neft | Russia | 25,639 |
| Praxair, Inc. | United States | 25,496 |
| XTO Energy Inc. | United States | 24,989 |
| Formosa Petrochemical Corp. | Taiwan | 24,660 |
| Marathon Oil Corporation | United States | 23,734 |
| EOG Resources, Inc. | United States | 22,639 |
| Fortum Oyj | Finland | 22,589 |
| Husky Energy Inc. | Canada | 22,193 |
| PTT PCL | Thailand | 19,506 |
| Hess Corp | United States | 19,425 |
| Enterprise Products Partners LP | United States | 18,324 |
| Inpex Corp | Japan | 18,234 |
| Talisman Energy Inc. | Canada | 18,119 |
| Tullow Oil plc | United Kingdom | 16,676 |
| NOVATEK OAO | Russia | 16,519 |
| Chesapeake Energy Corporation | United States | 16,102 |
| Indian Oil Corporation Ltd. | India | 15,607 |
| Galp Energia, SGPS, S.A. | Portugal | 15,383 |
| YPF S.A. | Argentina | 15,214 |
| Diamond Offshore Drilling, Inc. | United States | 14,136 |
| Canadian Oil Sands Trust | Canada | 13,637 |
| OMV AG | Austria | 13,313 |
| PTT Exploration & Production PC, Ltd | Thailand | 13,131 |
| Nexen Inc. | Canada | 12,751 |
| Spectra Energy Corp. | United States | 12,715 |
| ARC Resources Ltd. | Canada | 12,579 |
| Origin Energy Ltd. | Australia | 12,543 |
| Noble Energy Inc. | United States | 11,559 |
| Cairn India Limited | India | 11,246 |
| Santos Ltd. | Australia | 11,202 |
| Murphy Oil Corporation | United States | 11,150 |
| Noble Corporation | Switzerland | 11,041 |
| Tatneft OAO | Russia | 10,965 |
| China Oilfield Services Ltd | China | 10,583 |
| SeaDrill Limited | Bermuda | 9,749 |
| Valero Energy Corporation | United States | 9,227 |
| Compania Espanola de Petroleos SA (CEPSA) | Spain | 9,068 |
| SK Energy Co., Ltd. | South Korea | 9,010 |
| Rabigh Refining & Petrochemical Company | Saudi Arabia | 8,690 |
| Range Resources Corporation | United States | 7,710 |
| Penn West Energy Trust | Canada | 7,621 |
| Ultra Petroleum Corporation | United States | 7,402 |
| Saudi Kayan Petrochemical Company | Saudi Arabia | 7,320 |
| Petrohawk Energy Corporation | United States | 7,037 |
| Questar Corporation | United States | 7,036 |
| Cairn Energy plc | United Kingdom | 6,845 |
| FMC Technologies, Inc. | United States | 6,814 |
| Ultrapar Participacoes S.A. | Brazil | 6,619 |
| Continental Resources, Inc | United States | 6,597 |
| ENSCO International Inc. | United States | 6,524 |
| Oil India Limited | India | 6,369 |
| Crescent Point Energy Corp | Canada | 6,326 |
| Worleyparsons Limited | Australia | 6,067 |
| Oil Search Ltd. | Australia | 6,057 |
| A2A SpA | Italy | 6,053 |
| Nabors Industries Ltd. | Bermuda | 6,028 |
| Nippon Oil Corporation | Japan | 5,880 |
| Newfield Exploration Company | United States | 5,801 |
| Petronas Gas Bhd | Malaysia | 5,798 |
| Petrofac Limited | United Kingdom | 5,666 |
| Offshore Oil Engineering Co Ltd | China | 5,654 |
| BJ Services Company | United States | 5,612 |
| Pride International, Inc. | United States | 5,583 |
| Oil & Gas Development Corporation | Pakistan | 5,544 |
| S-Oil Corp | South Korea | 5,488 |
| Petrom S.A. | Romania | 5,178 |
| CNPC Hong Kong Ltd | Hong Kong | 5,115 |
| Pioneer Natural Resources Company | United States | 4,971 |
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