| Mercury Air Group, Inc. | United States |
Private
|
| Merey Sweeny, L.P. | United States |
Private
|
| Meridian Resource Corporation | United States |
Private
|
| Merrill Lynch Commodities Inc | United States |
Private
|
| Mesa Petroleum Co. | United States |
Private
|
| Mesa, Incorporated | United States |
Private
|
| Metropolitan Utilities District of Omaha | United States |
Private
|
| MFC Energy Corp | Canada |
Private
|
| MGF Oil Corp | United States |
Private
|
| Michael Petroleum Corporation | United States |
Private
|
| Midcoast Energy Partners, L.P. | United States |
Private
|
| MidCon Gas Services Corporation | United States |
Private
|
| Middle Tennessee Natural Gas Utility District | United States |
Private
|
| Midwest Energy Cos Inc | United States |
Private
|
| Milagro Energy Inc. | Canada |
Private
|
| Minco Plc | Republic of Ireland |
Private
|
| Mirant Americas Energy Marketing LP | United States |
Private
|
| Mission Resources Corporation | United States |
Private
|
| Mitchell Energy & Development Corporation | United States |
Private
|
| MITSUBISHI OIL COMPANY, LIMITED | Japan |
Private
|
| Mobil Corporation | United States |
Private
|
| Mobil Oil A/S | Norway |
Private
|
| Mobil Oil Ab | Sweden |
Private
|
| Mobil Oil AG | Germany |
Private
|
| Mobil Oil Australia Ltd. | Australia |
Private
|
| Mobil Oil B.V. | Netherlands |
Private
|
| Mobil Oil Co Ltd | United Kingdom |
Private
|
| Mobil Oil Francaise | France |
Private
|
| Mobil Oil Italiana S.p.A. | Italy |
Private
|
| Moby Oil & Gas Pty Ltd | Australia |
Private
|
| Molopo Energy Limited | Australia |
Private
|
| Mongolia Holdings, Inc | United States |
Private
|
| Montana Exploration Corp | Canada |
Private
|
| Monterey Exploration Ltd | Canada |
Private
|
| Mosnefteprodukt | Russia |
Private
|
| Motomova Inc | United States |
Private
|
| Mountaineer Gas Company | United States |
Private
|
| Moxie Freedom LLC | United States |
Private
|
| MPF Corp Ltd | Bermuda |
Private
|
| MPI Societe anonyme | France |
Private
|
| Mps Merchant Services, Inc. | United States |
Private
|
| MultiClient Geophysical AS | Norway |
Private
|
| Murex LLC | United States |
Private
|
| Murphy Oil Company, Ltd. | Canada |
Private
|
| Murphy Oil USA, Inc. | United States |
Private
|
| MUSHROOMS INC | United States |
Private
|
| Muzak Holdings LLC | United States |
Private
|
| MWO HOLDINGS, LLC | United States |
Private
|
| MxEnergy Holdings Inc. | United States |
Private
|
| Nabors Industries Inc | United States |
Private
|
| Nabors International Finance Inc | United States |
Private
|
| Naftobudowa S.A. | Poland |
Private
|
| NAL Energy Corp | Canada |
Private
|
| Naphtachimie S.A. | France |
Private
|
| Nation Energy, Inc | Canada |
Private
|
| National Grid Generation LLC | United States |
Private
|
| National Grid North America Inc | United States |
Private
|
| National Joint Stock Company Naftogaz of Ukraine | Ukraine |
Private
|
| National Petrochemical Company | Saudi Arabia |
Private
|
| National Petroleum Company | Jordan |
Private
|
| Nationsrent Companies, Inc | United States |
Private
|
| NationsRent, Inc. | United States |
Private
|
| Naturgy Mexico, S.A. de C.V. | Mexico |
Private
|
| Navajo Refining Company | United States |
Private
|
| Navigazioni Montanari S.p.A. | Italy |
Private
|
| NBL Permian LLC | United States |
Private
|
| NBL Texas, LLC | United States |
Private
|
| Neftegazholding AO | Russia |
Private
|
| Nelson Resources Limited | Bermuda |
Private
|
| Ness Energy International, Inc. | United States |
Private
|
| NESTE OYJ | Finland |
Private
|
| Nevarro Energy Ltd. | Canada |
Private
|
| New Mexico Gas Company Inc | United States |
Private
|
| New Western Energy Corp. | United States |
Private
|
| NEWMED ENERGY LTD | Israel |
Private
|
| Nexstar Energy Ltd | Canada |
Private
|
| Nexus Floating Production Ltd | Singapore |
Private
|
| Ngas Hunter LLC | United States |
Private
|
| NIDO PETROLEUM PTY LIMITED | Australia |
Private
|
| Nigerian National Petroleum Corporation | Nigeria |
Private
|
| Niska Gas Storage Partners LLC | United States |
Private
|
| Noble Drilling Services LLC | United States |
Private
|
| Noble Holding International Limited | Cayman Islands |
Private
|
| Noble Midstream Partners LP | United States |
Private
|
| Norcen Energy Resources Ltd/Canada | Canada |
Private
|
| Norris Industries Inc | United States |
Private
|
| Norse Energy Corp ASA | Norway |
Private
|
| North Atlantic Drilling Ltd. | Norway |
Private
|
| North Baja Pipeline LLC | United States |
Private
|
| North Peace Energy Corp | Canada |
Private
|
| Northeast Airmotive Inc | United States |
Private
|
| Northern Frontier Corp. | Canada |
Private
|
| Northern Natural Gas Company | United States |
Private
|
| Northern Offshore Limited | United States |
Private
|
| Northern Tier Energy LLC | United States |
Private
|
| Northgate Innovations, Inc | United States |
Private
|
| Northridge Petroleum Marketing, Inc. | Canada |
Private
|
| Northwest Acceptance Corp | United States |
Private
|
| Northwest Alabama Gas District | United States |
Private
|
| Northwestern Energy LLC | United States |
Private
|
|
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