OAO Gazprom Company
................................. O 1
OAO NK Yukos Company ................................ O 1
OAO Rosneft Oil Company .............................. O 3
OAO Siberian Oil Company ............................. O 4
OAO Tatneft Company ................................... O 4
OAO Tyumen Oil Company ............................. O 5
Oasis Diamond Exploration Inc. ....................... O 6
Oasis Minerals Inc. ........................................ O 6
Occidental Petroleum Corp. ............................ O 6
Ocean Energy Inc. ........................................ O 9
Oceanus Water Purity Inc. .............................. O 10
OCP Group / Office Cherifien des Phosphates ....... O 10
Octane Energy Services Ltd. ........................... O 12
Odaat Inc. ................................................... O
12
Odessa Gold Corp. ......................................... O 12
Odessa Industries Inc. ..................................... O 13
Odin Industries Ltd. ....................................... O 13
Odin Mining and Exploration Ltd. .................... O 14
Odyssey Energy Corp. .................................... O 14
Odyssey Petroleum Corp. ................................ O 15
Odyssey Resources Ltd. .................................. O 15
OGE Energy Corp. ........................................ O 16
OGY Petroleums Ltd. ..................................... O 17
Oil and Natural Gas Corporation Ltd. ................ O 17
Oil India Ltd. .............................................. O
18
Oil Refineries Ltd. ........................................ O 19
Oil Sands Split Trust ...................................... O 19
Oil Spill Response Ltd. .................................. O 19
Oilexco Inc. ................................................ O
20
Oiltec Resources Ltd. .................................... O 20
OJSC "Surgutneftegas" .................................... O 20
Okak Bay Resources Ltd. ................................ O 21
Olco Petroleum Group Inc. .............................. O 21
Olds Industries Inc. ........................................ O
22
Olyco II Resources Inc. .................................. O 23
Olympia Energy Inc. ..................................... O 23
Olympia Financial Group Inc. .......................... O 24
Olympic Resources Inc. .................................. O 24
Olympus Pacific Minerals Inc. ......................... O 25
Olympus Stone Inc. ....................................... O 25
Omax Resources Ltd. ..................................... O 26
Omni Resources Inc. ...................................... O 26
Omnium Nord Africain SA .............................. O 26
OMV Aktiengesellschaft ................................. O 29
Ona International Inc. .................................... O 30
Ontario Power Generation Inc. ......................... O 30
Ontex Resources Ltd. ..................................... O 31
Ontzinc Corp. .............................................. O 31
Onward Energy Inc. ....................................... O 32
Opal Energy Inc. .......................................... O 32
Opawica Explorations Inc. .............................. O 32
Opus Minerals Inc. ........................................ O 33
Oracle Energy Corp. ...................................... O 34
Oracle Exploration Inc. .................................. O 34
Orbit Oil & Gas Ltd. ..................................... O
34
Orca Petroleum Inc. ...................................... O 35
Orcana Resources Ltd. ................................... O 35
Oremex Resources Inc. ................................... O 36
Orex Exploration Inc. .................................... O 36
Orex Ventures Inc. ........................................ O 36
Orezone Resources Inc. .................................. O 37
Orient Resources Inc. ..................................... O 37
Orion Energy Trust ........................................ O 38
Orion Resource Corp. ..................................... O 38
Orko Gold Corp. ........................................... O 38
Orleans Resources Inc. ................................... O 39
Ormonde Mining PLC .................................... O 39
Oro Belle Resources Corp. .............................. O 39
Oromin Explorations Ltd. ............................... O 40
Orphan Boy Resources Inc. .............................. O 40
Orsa Ventures Corp. ....................................... O 40
Orvana Minerals Corp. ................................... O 41
OSE Corp. ................................................... O
41
Osisko Exploration Ltd. .................................. O 42
Osprey Energy Ltd. ....................................... O 42
Otish Mountain Exploration Inc. ....................... O 43
Otter Tail Corp. ........................................... O 43
Outlook Resources Inc. ................................... O 44
Oxford Resources Inc. .................................... O 45
Oxus Gold plc .............................................. O
45
