| Name | Country | Market Cap (US$) |
|---|
| VAALCO Energy, Inc. | United States | 441 |
| Global Industries, Ltd. | United States | 437 |
| Green Dragon Gas Ltd | Cayman Islands | 437 |
| AOC Holdings, Inc. | Japan | 434 |
| Prosafe Production Public Ltd | Cyprus | 429 |
| Celtic Exploration Ltd. | Canada | 428 |
| Genesis Energy, L.P. | United States | 426 |
| Enbridge Energy Management LLC | United States | 422 |
| Rosetta Resources Inc. | United States | 421 |
| Gujarat State Petronet Ltd. | India | 416 |
| Korea Petroleum Industrial Co., Ltd. | South Korea | 414 |
| Buckeye GP Holdings L.P. | United States | 411 |
| CVR Energy, Inc. | United States | 405 |
| China Aviation Oil (Singapore) Corporation Ltd | Singapore | 403 |
| Berry Petroleum Company | United States | 398 |
| Aygaz A.S. | Turkey | 398 |
| Samchully Company, Ltd. | South Korea | 397 |
| Newpark Resources, Inc. | United States | 396 |
| Towngas China Company Limited | Hong Kong | 391 |
| Burgan for Well Drilling, Trading & Maintenance | Kuwait | 391 |
| Pacific Rubiales Energy Corp | Canada | 391 |
| Atlas Pipeline Partners, LP | United States | 388 |
| Rongfeng Holding Group Co., Ltd | China | 386 |
| Savanna Energy Services Corp. | Canada | 384 |
| Western Gas Partners, LP | United States | 382 |
| Calumet Specialty Products Partners L.P | United States | 380 |
| Ajwa For Food Industries Co | Egypt | 379 |
| Parker Drilling Company | United States | 378 |
| Petroquest Energy Inc | United States | 378 |
| Lamprell Plc | United Arab Emirates | 377 |
| Varyeganneftegaz | Russia | 374 |
| Northern Dynasty Minerals Ltd. | Canada | 370 |
| Kencana Petroleum Berhad | Malaysia | 368 |
| Mitsui Mining Company, Ltd. | Japan | 367 |
| Trinidad Drilling Ltd | Canada | 358 |
| Melrose Resources plc | United Kingdom | 356 |
| Legacy Reserves LP | United States | 355 |
| SOL | Italy | 354 |
| UTS Energy Corporation | Canada | 350 |
| Oyo Corporation | Japan | 346 |
| Gran Tierra Energy Inc. | Canada | 345 |
| Emerald Energy plc | United Kingdom | 342 |
| Tokai Corporation | Japan | 342 |
| Clean Energy Fuels Corp | United States | 339 |
| Petroleum Development Corporation | United States | 339 |
| Nizhnekamskneftekhim | Russia | 333 |
| Pioneer Drilling Company | United States | 327 |
| Galleon Energy Inc | Canada | 325 |
| Det norske oljeselskap ASA | Norway | 322 |
| Ezra Holdings Limited | Singapore | 321 |
| San-Ai Oil Co., Ltd. | Japan | 321 |
| Polar Property Holdings Corporation | Philippines | 321 |
| Jordan Petroleum Refinery Co. | Jordan | 317 |
| Indus Gas Limited | United Kingdom | 313 |
| Crew Energy Inc. | Canada | 312 |
| Shandong Shengli Co., Ltd. | China | 307 |
| Shimojima Co., Ltd. | Japan | 306 |
| Shenzhen Guangju Energy Co., Ltd | China | 305 |
| Petroleum Technical Services Corporation | Vietnam | 305 |
| Calfrac Well Services Ltd | Canada | 303 |
| Major Drilling Group International Inc. | Canada | 300 |
| RITEK | Russia | 300 |
| Maoming Petro-Chemical Shihua Co., Ltd. | China | 300 |
| Parkland Income Fund | Canada | 299 |
| Sinopec Shandong Taishan Petroleum Co., Ltd. | China | 298 |
| Salamander Energy plc | United Kingdom | 297 |
| OPTI Canada Inc. | Canada | 297 |
| Sinanen Co., Ltd. | Japan | 297 |
| Energy World Corporation Ltd | Australia | 296 |
| Crosstex Energy, Inc. | United States | 292 |
| Norwegian Energy Company ASA | Norway | 292 |
| Questerre Energy Corporation | Canada | 291 |
| Boart Longyear Limited | Australia | 290 |
| Martin Midstream Partners L.P. | United States | 290 |
| Oilsands Quest Inc | Canada | 288 |
| Koatsu Gas Kogyo Co., Ltd. | Japan | 285 |
| SapuraCrest Petroleum Bhd | Malaysia | 285 |
| Flint Energy Services Ltd. | Canada | 281 |
| New Zealand Oil & Gas Limited | New Zealand | 280 |
| Pakistan State Oil Company Ltd | Pakistan | 279 |
| Tokyo Rakutenchi Co., Ltd. | Japan | 277 |
| PA Resources AB | Sweden | 277 |
| Pakistan Oilfields Ltd | Pakistan | 276 |
| Bonterra Oil & Gas Ltd | Canada | 275 |
| Highpine Oil & Gas Limited | Canada | 274 |
| Verenex Energy Inc. | Canada | 272 |
| Boralex Inc. | Canada | 263 |
| Geodynamics Limited | Australia | 262 |
| ATP Oil & Gas Corporation | United States | 260 |
| Bangchak Petroleum Company, Ltd. | Thailand | 258 |
| Gulfsands Petroleum PLC | United Kingdom | 257 |
| Ufaneftekhim | Russia | 256 |
| Avner Oil & Gas Ltd | Israel | 252 |
| Delek Drilling - Limited Partnership | Israel | 251 |
| Saudi Arabian Refineries Co. | Saudi Arabia | 249 |
| Susser Holdings Corporation | United States | 248 |
| Sala Corporation | Japan | 247 |
| Novo-Ufimsky Refinery Novoil | Russia | 247 |
| Zargon Energy Trust | Canada | 246 |
| EV Energy Partners LP | United States | 243 |
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