| Name | Country | Market Cap (US$) |
|---|
| Interra Resources Limited | Australia | Public |
| Ironhorse Oil & Gas Inc. | Canada | Public |
| Irwin Resources Inc | Canada | Public |
| Ivano-frankivskgaz JSC | Ukraine | Public |
| Ivanovooblgaz OAO | Russia | Public |
| Ivory Energy Inc | Canada | Public |
| Jacobs Financial Group Inc | United States | Public |
| Javelin Energy Inc | Canada | Public |
| Kalugaoblgas OAO | Russia | Public |
| Karelgaz OAO | Russia | Public |
| Kenartha Oil and Gas Ltd | Canada | Public |
| Kestrel Energy, Inc. | United States | Public |
| Kierland Resources Ltd | Canada | Public |
| Kirovogradgaz JSC | Ukraine | Public |
| Konzern Galnaftogaz | Ukraine | Public |
| Krasnodarkraygas OAO | Russia | Public |
| Kreido Biofuels Inc | United Kingdom | Public |
| Kurganoblgaz OAO | Russia | Public |
| Kurskgaz OAO | Russia | Public |
| Leis Industries Limited | Canada | Public |
| Leon Gas SA | Greece | Public |
| Lexaria Corp | Canada | Public |
| Lexico Resources International, Inc. | United States | Public |
| Liberty Petroleum Corp. | United Kingdom | Public |
| Lighthouse Petroleum, Inc | United States | Public |
| Lima Gas S.A. | Peru | Public |
| Lions Gate Energy Inc | Canada | Public |
| Lipetskoblgaz OAO | Russia | Public |
| Loma Oil & Gas Ltd. | Canada | Public |
| Longwei Petroleum Investment Holding Limited | China | Public |
| Lotta Coal, Inc. | Canada | Public |
| Lubricantes Paraguayos SAECA | Paraguay | Public |
| Magnum Energy Inc. | Canada | Public |
| Majestic Oil & Gas Inc. | United States | Public |
| Mammoth Energy Group, Inc. | United States | Public |
| Manas Petroleum Corp | Switzerland | Public |
| Mangistaumunaigaz JSC | Kazakhstan | Public |
| Marauder Resources East Coast Inc. | Canada | Public |
| Marine Accurate Well ASA | Norway | Public |
| Marine Subsea AS | Norway | Public |
| MASS Petroleum Inc | United States | Public |
| Maxim Resources Ltd. | Canada | Public |
| MBI Financial Inc | United States | Public |
| McLaren Resources Inc. | Canada | Public |
| Mesa Offshore Trust Unit | United States | Public |
| Miller Petroleum Inc | United States | Public |
| Millrock Resources Inc | Canada | Public |
| Minex Resources, Inc | United States | Public |
| Mining Oil, Inc. | United States | Public |
| Mira Resources Corp. | Canada | Public |
| Module Resources Inc | Canada | Public |
| Monarch Energy Limited | Canada | Public |
| Monarch Gulf Exploration Inc | United States | Public |
| Monogram Energy, Inc. | United States | Public |
| Monument Resources Inc | United States | Public |
| Morafco Industries Ltd. | Pakistan | Public |
| Mosnefteprodukt | Russia | Public |
| Mountainview Energy Ltd. | United States | Public |
| Mystique Energy, Inc. | Canada | Public |
| Naftex Energy Corporation | Canada | Public |
| Naftokhimik Prykarpattya OJSC | Ukraine | Public |
| Nanotech Industries Inc. | Thailand | Public |
| National Petroleum Company | Jordan | Public |
| National Petroleum Services | Kuwait | Public |
| Nationwide Safe-T Propane Inc | United States | Public |
| Native American Energy Group, Inc. | United States | Public |
| NC Rosneft-Altainefteproduct | Russia | Public |
| Neftebitum | Russia | Public |
| Neodym Technologies Inc. | Canada | Public |
| Nevtah Capital Management Corp | United States | Public |
| New Frontier Energy Inc. | United States | Public |
| nFinanSe Inc | United States | Public |
| Nordic Oil and Gas Ltd. | Canada | Public |
| Northern Sun Exploration Company Inc. | Canada | Public |
| Northwest Oil & Gas Trading Inc | United States | Public |
| Nova Natural Resources | United States | Public |
| NovaGold Petro Resources Ltd | India | Public |
| NovaMarlim Petroleo SA | Brazil | Public |
| Novosibirskneftegaz OAO | Russia | Public |
| Noxso Corporation | United States | Public |
| Oakridge Energy Inc | United States | Public |
| Octagon Energy AG | Germany | Public |
| Odyssey Oil & Energy, Inc | United States | Public |
| OG International Inc | United States | Public |
| OMDA Oil and Gas, Inc. | United States | Public |
| Omega Commercial Finance Corporation | United States | Public |
| Omni Oil & Gas Inc | United States | Public |
| Omnimmune Holdings, Inc | Canada | Public |
| Omskoblgaz OAO | Russia | Public |
| ONA Energy inc | Canada | Public |
| One Exploration Inc | Canada | Public |
| Onyx Corp | United States | Public |
| Orbit Petroleum Inc | United States | Public |
| Orbitron Capital Corporation | United States | Public |
| Osage Exploration and Development Inc. | United States | Public |
| OSE Corporation | Canada | Public |
| Osprey Energy Ltd. | Canada | Public |
| Outback Oil & Mineral Exploration Corp. | United States | Public |
| Pacific Paradym Energy Inc. | Canada | Public |
| Padma Oil Ltd | Bangladesh | Public |
|
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