| Name | Country | Market Cap (US$) |
|---|
| Exxon Mobil Corporation | United States | 360,651 |
| Petroleo Brasileiro S.A. | Brazil | 225,625 |
| BP plc | United Kingdom | 183,565 |
| Chevron Corp | United States | 158,555 |
| OAO Gazprom | Russia | 144,520 |
| Total SA | France | 143,016 |
| ENI SpA | Italy | 92,354 |
| Rosneft OJSC | Russia | 84,942 |
| Statoil ASA | Norway | 82,090 |
| Schlumberger Ltd. | United States | 78,672 |
| ConocoPhillips | United States | 78,161 |
| Reliance Industries Ltd. | India | 76,936 |
| China Petroleum & Chemicals Corporation | China | 74,868 |
| Occidental Petroleum Corporation | United States | 67,149 |
| Saudi Basic Industries Corporation | Saudi Arabia | 64,797 |
| Suncor Energy Inc. | Canada | 57,782 |
| Oil & Natural Gas Corporation Ltd | India | 54,313 |
| Lukoil OAO | Russia | 50,618 |
| EnCana Corporation | Canada | 39,814 |
| Canadian Natural Resources Limited | Canada | 36,440 |
| Surgutneftegas | Russia | 33,689 |
| Imperial Oil Ltd. | Canada | 33,053 |
| Apache Corporation | United States | 32,690 |
| Woodside Petroleum Ltd. | Australia | 32,689 |
| Repsol YPF S.A. | Spain | 31,406 |
| Air Liquide S.A. | France | 30,914 |
| Anadarko Petroleum Corporation | United States | 30,425 |
| Devon Energy Corporation | United States | 30,043 |
| Halliburton Company | United States | 27,473 |
| Transocean Limited | Switzerland | 27,435 |
| TNK-BP Holding OAO | Russia | 26,620 |
| Sasol Ltd. | South Africa | 26,556 |
| Gazprom Neft | Russia | 26,221 |
| Praxair, Inc. | United States | 25,398 |
| Formosa Petrochemical Corp. | Taiwan | 24,630 |
| XTO Energy Inc. | United States | 24,426 |
| Marathon Oil Corporation | United States | 23,359 |
| Fortum Oyj | Finland | 22,827 |
| EOG Resources, Inc. | United States | 22,346 |
| Husky Energy Inc. | Canada | 22,091 |
| Hess Corp | United States | 19,209 |
| PTT PCL | Thailand | 18,825 |
| Inpex Corp | Japan | 18,417 |
| Enterprise Products Partners LP | United States | 18,024 |
| Talisman Energy Inc. | Canada | 17,762 |
| Tullow Oil plc | United Kingdom | 16,690 |
| NOVATEK OAO | Russia | 16,529 |
| Galp Energia, SGPS, S.A. | Portugal | 15,365 |
| Chesapeake Energy Corporation | United States | 15,318 |
| Indian Oil Corporation Ltd. | India | 15,082 |
| YPF S.A. | Argentina | 14,986 |
| Diamond Offshore Drilling, Inc. | United States | 13,883 |
| Canadian Oil Sands Trust | Canada | 13,605 |
| OMV AG | Austria | 13,409 |
| Origin Energy Ltd. | Australia | 12,575 |
| Spectra Energy Corp. | United States | 12,566 |
| PTT Exploration & Production PC, Ltd | Thailand | 12,534 |
| Nexen Inc. | Canada | 12,420 |
| ARC Resources Ltd. | Canada | 12,368 |
| Cairn India Limited | India | 11,393 |
| Noble Energy Inc. | United States | 11,391 |
| Santos Ltd. | Australia | 11,157 |
| Murphy Oil Corporation | United States | 10,981 |
| Noble Corporation | Switzerland | 10,907 |
| Tatneft OAO | Russia | 10,753 |
| SeaDrill Limited | Bermuda | 9,706 |
| Compania Espanola de Petroleos SA (CEPSA) | Spain | 9,084 |
| Valero Energy Corporation | United States | 9,035 |
| SK Energy Co., Ltd. | South Korea | 8,970 |
| Rabigh Refining & Petrochemical Company | Saudi Arabia | 8,666 |
| Penn West Energy Trust | Canada | 7,573 |
| Range Resources Corporation | United States | 7,423 |
| Saudi Kayan Petrochemical Company | Saudi Arabia | 7,200 |
| Ultra Petroleum Corporation | United States | 7,080 |
| Questar Corporation | United States | 6,886 |
| Cairn Energy plc | United Kingdom | 6,743 |
| FMC Technologies, Inc. | United States | 6,720 |
| Petrohawk Energy Corporation | United States | 6,564 |
| ENSCO International Inc. | United States | 6,430 |
| Continental Resources, Inc | United States | 6,414 |
| Ultrapar Participacoes S.A. | Brazil | 6,280 |
| Crescent Point Energy Corp | Canada | 6,266 |
| Oil India Limited | India | 6,144 |
| Oil Search Ltd. | Australia | 6,090 |
| Worleyparsons Limited | Australia | 6,068 |
| A2A SpA | Italy | 5,957 |
| Nippon Oil Corporation | Japan | 5,928 |
| Nabors Industries Ltd. | Bermuda | 5,867 |
| Petronas Gas Bhd | Malaysia | 5,798 |
| Newfield Exploration Company | United States | 5,688 |
| Petrofac Limited | United Kingdom | 5,671 |
| Oil & Gas Development Corporation | Pakistan | 5,654 |
| Offshore Oil Engineering Co Ltd | China | 5,564 |
| Pride International, Inc. | United States | 5,548 |
| BJ Services Company | United States | 5,541 |
| S-Oil Corp | South Korea | 5,488 |
| Petrom S.A. | Romania | 5,198 |
| China Oilfield Services Ltd | China | 5,118 |
| CNPC Hong Kong Ltd | Hong Kong | 5,086 |
| Pioneer Natural Resources Company | United States | 4,812 |
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