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Directory of Public Companies in Industry: Oil & Gas Operations

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#
Company Name
(sorted by Name)
Country
(click to sort by Country)

State/Province
1. 1st NRG Corp. United States Washington
2. 3TEC Energy Corporation United States Texas
3. Abacan Resource Corp.   United States Texas
4. Aban Offshore Ltd. India  
5. Aban Offshore Ltd. (Parent) India  
6. Abenteuer Resources Corp. Canada  
7. Abington Ventures Inc. Canada  
8. Able Energy, Inc. United States New Jersey
9. Abraxas Petroleum Corp. United States Texas
10. Acclaim Energy Trust (OLD) Canada  
11. Ace of Innovative Mechatronics Co., Ltd. South Korea  
12. Activa Resources AG Germany  
13. ACTIVEnergy Income Fund Canada  
14. Adams Resources & Energy, Inc. United States Texas
15. Addax Petroleum Corporation Canada  
16. Adelaide Energy Ltd. Australia  
17. Adino Energy Corp United States Texas
18. Admiral Bay Resources United States Colorado
19. Advance Energy Limited Australia  
20. Advantage Energy Income Fund Canada  
21. Advantage Energy Income Fund (USA) Canada  
22. Adventure Energy Inc United States Florida
23. AED Oil Limited Australia  
24. Aegean Marine Petroleum Network Inc. Greece  
25. Afrasia Mineral Fields Inc. Canada  
26. Afren Plc United Kingdom  
27. Africa Oil Corp. Canada  
28. African Petroleum Plc. Nigeria  
29. Afriquia Gaz SA Morocco  
30. Aker Exploration ASA Norway  
31. Al Maha Petroleum Products Marketing Co. Oman  
32. Alamco, Inc.   United States West Virginia
33. Alberta Clipper Energy Inc. Canada  
34. Alberta Oilsands Inc. Canada  
35. Alchevs'kyi Koksokhimichnyi Zavod VAT Ukraine  
36. Alcorn Gold Resources Corporation Philippines  
37. Aldrin Resources Corp. Canada  
38. Alexander Energy Corp.   United States Oklahoma
39. Alexandria Mineral Oils Company Egypt  
40. Alkane Energy Plc United Kingdom  
41. Alliance Oil Company Ltd Bermuda  
42. Alon USA Energy, Inc. United States Texas
43. Alpetro Resources Ltd. Canada  
44. AltaCanada Energy Corp. Canada  
45. Alter Nrg Corp. Canada  
46. Altergaz France  
47. Altex Industries, Inc. United States Colorado
48. Altima Resources Ltd. Canada  
49. Amacan Resources Corp.   United States Utah
50. Amadeus Energy Limited Australia  
51. Amber Resources Company of Colorado United States Colorado
52. Amerac Energy Corporation   United States Texas
53. American Exploration Co.   United States Texas
54. American Exploration Corp Canada  
55. American International Petroleum Corporation United States Texas
56. American Leduc Petroleums Canada  
57. American Natural Energy Corporation United States Oklahoma
58. American Oil & Gas Inc. United States Colorado
59. American Petro-Hunter Inc. Canada  
60. American Resources Offshore   United States Texas
61. American Rivers Oil Co.   United States Colorado
62. Americas Petrogas Inc. Canada  
63. AmeriGas Partners, L.P. United States Pennsylvania
64. Amerigo Energy, Inc. United States Nevada
65. Ameriwest Energy Corp United States Washington
66. An Pha S.G Petrol JSC Vietnam  
67. Anadarko Petroleum Corporation United States Texas
68. Anderson Energy Ltd. Canada  
69. Anderson Exploration Ltd. Canada  
70. Angle Energy Inc. Canada  
71. Anglo Siberian Oil Company plc UK  
72. Antarchile SA Chile  
73. Antarchile SA (Parent) Chile  
74. Antares Energy Limited Australia  
75. Anterra Energy Inc. Canada  
76. Antrim Energy Inc. Canada  
77. Apache Corporation United States Texas
78. Apache Corporation (OLD) United States Texas
79. Apache Offshore Investment Partnership United States Texas
80. APC Group, Inc. Philippines  
81. Apco Argentina Inc. United States Oklahoma
82. APF Energy Trust Canada  
83. Approach Resources Inc. United States Texas
84. Arabian American Development Company United States Texas
85. Arakis Energy Corporation   Canada  
86. Arawak Energy Limited United Kingdom  
87. ARC Energy Limited Australia  
88. ARC Energy Trust Canada  
89. Arch Petroleum, Inc.   United States Texas
90. Aref Investment Group SAKC Kuwait  
91. Arena Resources, Inc. United States Oklahoma
92. Argenta Oil & Gas Inc. Canada  
93. Argo Energy Limited Canada  
94. Arris Resources Inc. Canada  
95. Arrow Energy Limited Australia  
96. Ascent Energy Inc. United States Texas
97. Ascent Resources Plc United Kingdom  
98. Ascot Energy Resources Ltd.   Canada  
99. Aspen Exploration Corporation United States Colorado
100. Aspen Group Resources Corporation United States Oklahoma
101. Athlone Energy Ltd. Canada  
102. ATI Oil Plc United Kingdom  
103. ATI Petroleum United States Tennessee
104. Atlantic Caspian Resources plc UK  
105. Atlantic Richfield Co. United States California
106. Atlas America Public No 10 Ltd. United States Pennsylvania
107. Atlas Energy Ltd. Canada  
108. Atlas Oil and Gas, Inc. United States North Carolina
109. ATP Oil & Gas Corporation United States Texas
110. Attock Petroleum Ltd. Pakistan  
111. Audax Resources Limited Australia  
112. Aurelian Oil & Gas PLC United Kingdom  
113. Aurora Oil & Gas Corporation United States Michigan
114. Ausam Energy Corporation Canada  
115. Ausam Energy Corporation United States Texas
116. AusTex Oil Limited Australia  
117. Austin Developments Corp. Canada  
118. Austin Exploration Limited Australia  
119. Austral Pacific Energy Ltd. New Zealand  
120. Australian Oil & Gas Corporation United States Arizona
121. Australian Oil Company Limited Australia  
122. Australian Worldwide Exploration Limited Australia  
123. Avalon Oil and Gas, Inc. United States Minnesota
124. Avatar Industries Limited Australia  
125. Avdiivs'kyi Koksokhimichnyi Zavod VAT Ukraine  
126. Avenue Group, Inc. United States New York
127. Avid Oil & Gas Ltd.   Canada  
128. Aviva Petroleum Inc. United States Texas
129. Avner Oil Exploration Ltd. Partnership Israel  
130. Aygaz AS Turkey  
131. Aztec Oil & Gas, Inc. United States Texas
132. Aztek Energy Ltd. Canada  
133. Backreef Resources Ltd Australia  
134. Bahliikoks VAT Ukraine  
135. Bald Eagle Energy Inc. United States Texas
136. Bangkok Aviation Fuel Services Public Co Thailand  
137. Bankers Petroleum Ltd. Canada  
138. Bargo Energy Company   United States Texas
139. Barnwell Industries, Inc. United States Hawaii
140. Baron Energy Inc. United States Nevada
141. Baseline Oil & Gas Corp. United States Texas
142. Bashkirnefteprodukt OAO (P) Russia  
143. Bashneft' ANK OAO Russia  
144. Bashneft' ANK OAO (P) Russia  
145. Basic Earth Science Systems, Inc. United States Colorado
146. Basic Petroleum Int'l Ltd   France  
147. Basin Exploration Inc.   United States Colorado
148. Bass Strait Oil Company Limited Australia  
149. Bayou Bend Petroleum Ltd. Canada  
150. Bayou City Exploration, Inc. United States Texas
151. Baytex Energy Trust Canada  
152. Baytex Energy Trust (USA) Canada  
153. Beach Petroleum Ltd Australia  
154. Bear Creek Energy Ltd. Canada  
155. Bear Ridge Resources Ltd. Canada  
156. BelAir Energy Corporation Canada  
157. Belco Oil & Gas Corp.   United States New York
158. Bellamont Exploration Ltd. Canada  
159. Belmont Resources Inc. (USA) Canada  
160. Benchmark Oil & Gas AB (publ) Sweden  
161. Benson Petroleum Ltd. Canada  
162. Berens Energy Ltd. Canada  
163. Berkana Energy Corp. Canada  
164. Berkley Petroleum Corp.   Canada  
165. Berry Petroleum Company United States California
166. Best Pacific Resources   Canada  
167. BG Group plc United Kingdom  
168. BG Group plc (ADR) United Kingdom  
169. Bharat Oman Refineries Limited India  
170. Big Horn Resources Ltd.   Canada  
171. Big Sky Energy Corp. United Kingdom  
172. Big West Oil Partners, LP United States Utah
173. Bill Barrett Corporation United States Colorado
174. Binhai Investment Company Limited Hong Kong  
175. Biofuels Corporation PLC UK  
176. Biofutures International Plc United Kingdom  
177. Biomass Korea CO., LTD. South Korea  
178. Biomass Korea CO., LTD. (Parent) South Korea  
179. Biopetrol Industries AG Switzerland  
180. Birchcliff Energy Ltd. Canada  
181. Bison Resources Ltd. Canada  
182. Bitech Petroleum Corp.   Canada  
183. BlackPearl Resources Inc Canada  
184. Blackpool Exploration Ltd. Canada  
185. BlackRock Ventures, Inc. Canada  
186. Blacksands Petroleum Inc. Canada  
187. Blizzard Energy, Inc. Canada  
188. Blue Dolphin Energy Company United States Texas
189. Blue Mountain Energy Ltd. Canada  
190. Blugrass Energy Inc. United States Kentucky
191. BMB Munai Inc. Kazakhstan  
192. BNK Petroleum Inc. United States California
193. BNP Resources Inc. Canada  
194. Bois d'Arc Energy, Inc. United States Texas
195. Bonanza Resources Corporation Canada  
196. Bonavista Energy Trust Canada  
197. Bongaigaon Refinery & Petrochemicals Ltd India  
198. Bonheur ASA Norway  
199. Bonterra Oil & Gas Ltd. Canada  
200. Borders & Southern Petroleum plc United Kingdom  
201. Bosicor Pakistan Limited Pakistan  
202. Bounty Oil & Gas NL Australia  
203. Bow Valley Energy Ltd. Canada  
204. BowLeven PLC United Kingdom  
205. BP Castrol K.K. Japan  
206. BP France France  
207. BP Zambia Plc Zimbabwe  
208. BPC Limited United Kingdom  
209. BPI Energy Holdings Inc. United States Ohio
210. BPI Industries Inc. Canada  
211. BPZ Resources, Inc. United States Texas
212. Breaker Energy Limited Canada  
213. BREK Energy Corporation United States California
214. Bridge Resources Corp. Canada  
215. Brigham Exploration Company United States Texas
216. Brinx Resources Ltd. United States New Mexico
217. Brock Exploration Corp.   United States Louisiana
218. Bronco Energy Ltd Canada  
219. Brookemont Capital Inc. Canada  
220. Buccaneer Energy Limited. Australia  
221. Bucking Horse Energy Inc. Canada  
222. Buffalo Resources Corp. Canada  
223. Bula Resources (Holdings) plc Ireland  
224. Bulldog Resources Inc. Canada  
225. Burgan Co for Well Drilling KSCC Kuwait  
226. Burleson Energy Limited Australia  
227. Burlington Resources Inc. United States Texas
228. Burmis Energy Inc. Canada  
229. Burren Energy plc UK  
230. BXL Energy, Ltd.   Canada  
231. C.A.T. oil AG Austria  
232. Cabot Oil & Gas Corporation United States Texas
233. Caddo International, Inc. United States Louisiana
234. Cadence Energy Inc. Canada  
235. Cadogan Petroleum Plc United Kingdom  
236. Cairn Energy plc United Kingdom  
237. Cairn Energy USA, Inc.   United States Texas
238. Cairn India Limited India  
239. Cairn India Limited (Parent) India  
240. California Oil & Gas Corporation Canada  
241. Callon Consolidated Prtnr   United States Mississippi
242. Callon Petroleum Company United States Mississippi
243. Cals Refineries Ltd India  
244. Calvalley Petroleum Inc. Canada  
245. Cambrian Oil & Gas Plc UK  
246. Canacol Energy Ltd Canada  
247. Canada Energy Partners Inc. Canada  
248. Canada Southern Petroleum Ltd. Canada  
249. Canada Southern Petroleum Ltd. (USA) Canada  
250. Canadex Resources Limited Canada  
251. Canadian Hunter   Canada  
252. Canadian Natural Resource Ltd (USA) Canada  
253. Canadian Natural Resources Limited Canada  
254. Canadian Phoenix Resources Corp. Canada  
255. Canadian Spirit Resources, Inc. Canada  
256. Canadian Superior Energy Inc. Canada  
257. Canadian Superior Energy Inc. (USA) Canada  
258. CanArgo Energy Corporation United Kingdom  
259. Candax Energy Inc. Canada  
260. Canext Energy Limited Canada  
261. Cannon Oil & Gas Ltd. Canada  
262. Cano Petroleum, Inc. United States Texas
263. Canoel International Energy Ltd Canada  
264. Canoro Resources Ltd. Canada  
265. Cap Energy Ltd United Kingdom  
266. Capco Energy Inc. (OLD) United States California
267. Capco Energy, Inc. United States Texas
268. Capitol Energy Resources Ltd. Canada  
269. Carbon Energy Corporation United States Colorado
270. Caribou Resources Corp. Canada  
271. Carnarvon Petroleum Limited Australia  
272. Carpathian Resources Limited Australia  
273. Carrizo Oil & Gas, Inc. United States Texas
274. Caspen Oil, Inc.   United States Colorado
275. Caspian Energy, Inc. Canada  
276. Caspian Oil & Gas Limited Australia  
277. Castle Rock Petroleum Ltd. Canada  
278. Castleguard Energy, Inc. United States Texas
279. Castrol India Limited India  
280. Cavell Energy Corporation Canada  
281. Caza Oil & Gas, Inc United States Texas
282. CBM Oil Plc United Kingdom  
283. CEC Resources Ltd.   United States Colorado
284. Cedyco Corp.   United States Texas
285. Central Natural Resources, Inc. United States Missouri
286. Central Pacific Minerals N.L. (ADR)   Australia  
287. Centurion Energy International Inc. Canada  
288. Century Petroleum Corp. United States Texas
289. Cepsa SA Ecuador  
290. Cequel Energy, Inc. Canada  
291. CGX Energy, Inc. Canada  
292. CGX Energy, Inc. (USA) Canada  
293. Chain Energy Corporation Canada  
294. Challenger Energy Corp. Canada  
295. Chamaelo Exploration Ltd. Canada  
296. Chancellor Group, Inc. United States Texas
297. Changing World Technologies, Inc. United States New York
298. Chaparral Energy, Inc. United States Oklahoma
299. Chaparral Resources, Inc. United States New York
300. Chariot Oil & Gas Limited United Kingdom  
301. Chemoil Energy Limited Hong Kong  
302. Chennai Petroleum Corporation Limited India  
303. Chesapeake Energy Corporation United States Oklahoma
304. Chevron Lubricants Lanka PLC Sri Lanka  
305. Chevron Oil Nigeria plc Nigeria  
306. Chieftain International   Canada  
307. China Aviation Oil (Singapore) Corp. Ltd Singapore  
308. China Bio Energy Holding Group Co., Ltd. China  
309. China North East Petroleum Hldng Ltd. United States New York
310. China Prosperous Clean Energy Corp China  
311. China Vanguard Group Limited Hong Kong  
312. Choice Resources Corp. Canada  
313. Cia. Argentina de Comodoro Rivadavia Argentina  
314. Cimarex Energy Co. United States Colorado
315. Cinch Energy Corp. Canada  
316. Circle Oil Plc Ireland  
317. Circum Pacific Energy Corp. Canada  
318. Citgo Petroleum Corporation United States Texas
319. CityView Corporation Limited Australia  
320. CityView Corporation Limited Australia  
321. CKX Lands Inc United States Louisiana
322. Clayton Williams Energy, Inc. United States Texas
323. Clear Energy Inc. Canada  
324. CLEX Co.,LTD Japan  
325. CMS Oil And Gas Company   United States Texas
326. CNOOC Limited Hong Kong  
327. CNOOC Limited (ADR) Hong Kong  
328. CNX Gas Corporation United States Pennsylvania
329. Coastal Caribbean Oils & Minerals, Ltd. Bermuda  
330. Coastal Energy Co. Cayman Islands  
331. Coastwide Energy Services   United States Texas
332. Cobalt Energy Limited Canada  
333. Cobra Venture Corporation Canada  
334. CODA Energy   United States Texas
335. Coho Energy, Inc.   United States Texas
336. Colony Energy, Inc United States Texas
337. Colorado Wyoming Reserve Company United States Colorado
338. Columbus Energy Corp.   United States Colorado
339. Columbus Energy Ltd. Canada  
340. Comet Ridge Ltd. Australia  
341. Companhia Brasileira Petroleo Ipiranga Brazil  
342. Compania Espanola de Petroleos SA Spain  
343. Compton Petroleum Corporation Canada  
344. Compton Petroleum Corporation (USA) Canada  
345. Comstate Resource Income Trust   Canada  
346. Comstock Resources, Inc. United States Texas
347. Concho Resources Inc. United States Texas
348. Connacher Oil and Gas Limited Canada  
349. Conoil Plc Nigeria  
350. Consolidated Oil & Gas, Inc. United States Texas
351. Constellation Energy Partners LLC United States Maryland
352. Contact Exploration Inc. Canada  
353. Contango Oil & Gas Company United States Texas
354. Continental Energy Corporation United States Texas
355. Continental Fuels Inc. United States Texas
356. Continental Resources, Inc. United States Oklahoma
357. Contour Energy Company (DE) United States Texas
358. Convest Energy Corp.   United States Texas
359. Cooper Energy Ltd. Australia  
360. Copesul-Companhia Petroquimica do Sul Brazil  
361. Cordero Energy Inc. Canada  
362. Corridor Resources Inc. Canada  
363. Costilla Energy, Inc.   United States Texas
364. Courage Energy, Inc.   Canada  
365. CREDO Petroleum Corporation United States Colorado
366. Crescent Point Energy Trust Canada  
367. Crimson Exploration Inc. United States Texas
368. Critical Point Resources Inc. United States California
369. Crocotta Energy Inc. Canada  
370. Cronus Corporation   United States Florida
371. Crown Central Petroleum United States Maryland
372. Crystal Gas Storage, Inc.   United States Louisiana
373. Cubacan Exploration Inc.   Canada  
374. Cubic Energy, Inc. United States Texas
375. Curlew Lake Resources Inc. Canada  
376. Custom Restaurant and Hospitality Group United States California
377. CVR Energy, Inc. United States Texas
378. CYGAM Energy Inc. Canada  
379. Cypress Energy Inc.   Canada  
380. Cypress Hills Resource Corp. Canada  
381. Cyries Energy Inc. Canada  
382. Daimaru Enawin Co., Ltd. Japan  
383. Daleco Resources Corporation United States Pennsylvania
384. Dana Gas PJSC United Arab Emirates  
385. Dana Petroleum plc United Kingdom  
386. Danoil Energy   Canada  
387. Daqing Lianyi Petro-Chemical Co., Ltd. China  
388. Daybreak Oil and Gas Inc United States Washington
389. Daylight Resources Trust Canada  
390. Daytona Energy Corporation Canada  
391. DCC plc Ireland  
392. Deep Well Oil & Gas, Inc. Canada  
393. DeepTech International   United States Texas
394. Defiant Resources Corp. Canada  
395. Dejour Enterprises Ltd. Canada  
396. Dejour Enterprises Ltd. (USA) Canada  
397. Dekalb Energy Company   Canada  
398. Delek Drilling Limited Partnership Israel  
399. Delek US Holdings, Inc. United States Tennessee
400. Deloro Resources Ltd Canada  
401. Delphi Energy Corp. Canada  
402. Delta Mutual, Inc. United States Pennsylvania
403. Delta Oil & Gas, Inc. Canada  
404. Delta Petroleum Corp. United States Colorado
405. Deltana Energy Limited Australia  
406. Denbury Resources Inc. United States Texas
407. Derek Oil and Gas Corporation Canada  
408. Desire Petroleum plc United Kingdom  
409. Det norske oljeselskap ASA Norway  
410. Devlan Exploration Inc. Canada  
411. Devon Energy Corporation United States Oklahoma
412. Devon Energy Corporation (OLD) United States Oklahoma
413. DevX Energy, Inc.   United States Texas
414. Diamond Shamrock Offshore   United States Texas
415. Diamond Shamrock, Inc. United States Texas
416. Diaz Resources Ltd. Canada  
417. Dist. Produtos de Petroleo Ipiranga S.A. Brazil  
418. DLB Oil & Gas, Inc.   United States Oklahoma
419. DNO International ASA Norway  
420. Dolphin Offshore Enter. Ind Ltd (Parent) India  
421. Dolphin Offshore Enterprises India Ltd. India  
422. Domain Energy Corp.   United States Texas
423. Dominion Energy PLC United Kingdom  
424. Dominion Petroleum Limited Bermuda  
425. Donets'kkoks VAT Ukraine  
426. Doral Energy Corp. United States Texas
427. Dorchester Hugoton, Ltd.   United States Texas
428. Dorchester Minerals L.P. United States Texas
429. Double Eagle Petroleum Co. United States Wyoming
430. Double Halo Resources Inc. Canada  
431. Drilling Mud Corporation Vietnam  
432. Drillsearch Energy Limited Australia  
433. Dual Exploration Inc. Canada  
434. Dune Energy, Inc. United States Texas
435. Duvernay Oil Corp. Canada  
436. DVM International Limited Australia  
437. Dynamic Oil & Gas, Inc. Canada  
438. Dynamic Oil & Gas, Inc. (USA) Canada  
439. DynaMotive Energy Systems Canada  
440. Dynegy Energy Partners LP United States Texas
441. E1 Corporation South Korea  
442. E1 Corporation (Parent) South Korea  
443. E3 Energy Inc. Canada  
444. E4 Energy Inc. Canada  
445. Eagle Rock Energy Partners,L.P, United States Texas
446. Eagle Rock Exploration Ltd. Canada  
447. Eagle Star Petroleum Corp. Canada  
448. Eaglewood Energy Inc. Canada  
449. EarthFirst Technologies, Inc. United States Florida
450. Eastern Star Gas Limited Australia  
451. Eastshore Energy Ltd. Canada  
452. ECCO Energy Corp. United States Texas
453. Ecopetrol S.A. Colombia  
454. Ecopetrol S.A. (ADR) Colombia  
455. Ecopetrol S.A. (Parent) Colombia  
456. Eden Energy Corp. Canada  
457. Edge Petroleum Corp. United States Texas
458. Edinburgh Oil & Gas plc UK  
459. Edisto Resources Corp.   United States Texas
460. EEX Corporation   United States Texas
461. Egdon Resources Plc United Kingdom  
462. EGPI Firecreek, Inc. United States Arizona
463. Egypt Gas Egypt  
464. El Paso Exploration & Production Co. United States Texas
465. ELINOIL HELLENIC PETROLEUM COMPANY S.A. Greece  
466. ELK Petroleum Limited Australia  
467. Elk Point Resources, Inc.   Canada  
468. Ellora Energy Inc. United States Colorado
469. Emerald Bay Energy Inc. Canada  
470. Emerald Energy plc United Kingdom  
471. Emerald Oil & Gas NL Australia  
472. EMM Energy Inc. Canada  
473. Empire Energy Corporation International United States Kansas
474. Empire Mining Corporation Canada  
475. Empire Oil & Gas NL Australia  
476. Empire Petroleum Corporation United States Oklahoma
477. Empiric Energy, Inc. United States Texas
478. Emporikos Desmos S.A. Greece  
479. Empresa Petrolera Andina SA Bolivia  
480. Empresa Petrolera Chaco SA Bolivia  
481. Empresas COPEC S.A. Chile  
482. Empresas Copec S.A. (Parent) Chile  
483. Empyrean Energy Plc. United Kingdom  
484. Enbridge Energy Management, L.L.C. United States Texas
485. Encal Energy Ltd.   Canada  
486. EnCana Corporation Canada  
487. EnCana Corporation (USA) Canada  
488. Encore Acquisition Company United States Texas
489. Encore Oil Plc United Kingdom  
490. Encounter Energy Inc.   Canada  
491. Endeavour International Corporation United States Texas
492. Endev Energy Inc. Canada  
493. EnDevCo, Inc. United States Texas
494. Enegi Oil Plc United Kingdom  
495. Energas Resources, Inc. United States Oklahoma
496. Energem Resources, Inc. South Africa  
497. Energopetrol d.d. Sarajevo Bosnia and Herzegovina  
498. Energy Absolute PCL Thailand  
499. Energy Africa South Africa  
500. Energy North Inc. Canada  
501. Energy Partners, Ltd. United States Louisiana
502. Energy Search, Inc.   United States Tennessee
503. Energy Transfer Equity, L.P. United States Texas
504. Energy XXI (Bermuda) Limited Bermuda  
505. Energytec, Inc. United States Texas
506. EnerJex Resources, Inc. United States Kansas
507. Enerplus Resources Fund Canada  
508. Enerplus Resources Fund (USA) Canada  
509. Enex Resources Corp.   United States Texas
510. Engen Botswana Limited Botswana  
511. Entek Energy Limited Australia  
512. Enterprise Energy Resources Ltd Canada  
513. Enterprise GP Holdings L.P. United States Texas
514. Enterprise Oil plc   UK  
515. Enterprise Oil plc (ADR)   UK  
516. Enterprise Products Partners L.P. United States Texas
517. Enterra Energy Trust Canada  
518. Enterra Energy Trust (USA) Canada  
519. Entheos Technologies, Inc. Canada  
520. EOG Resources, Inc. United States Texas
521. EOTT Energy Partners, L.P United States Texas
522. Epsilon Energy Limited Canada  
523. Equator Exploration Limited United Kingdom  
524. Equatorial Energy   Canada  
525. Equinox International, Inc. United States Nevada
526. Equity Oil Company United States Utah
527. ERG SpA Italy  
528. Eromanga Hydrocarbons NL Australia  
529. Esenjay Exploration, Inc.   United States Texas
530. ESP Resources Inc United States Texas
531. Esperance Minerals NL Australia  
532. Esprit Energy Trust Canada  
533. Esprit Energy Trust (USA) Canada  
534. Essential Petroleum Resources Limited Australia  
535. Esso Malaysia Berhad Malaysia  
536. Eterna Oil&Gas Plc Nigeria  
537. Eternal Energy Corp. United States Colorado
538. Eurasia Energy Ltd Canada  
539. Eureka Energy Limited Australia  
540. Eurogas Corporation Canada  
541. Eurogas International Inc. Barbados  
542. EuroGas, Inc. Canada  
543. Europa Oil & Gas (Holdings) Plc United Kingdom  
544. European Energy Assets SA   Luxembourg  
545. European Gas Limited France  
546. EV Energy Partners, L.P. United States Texas
547. Everflow Eastern Partners LP United States Ohio
548. Evergreen Resources, Inc. United States Colorado
549. Evolution Fuels, Inc. United States Texas
550. Evolution Petroleum Corporation United States Texas
551. Exall Energy Corp. Canada  
552. Exalta Energy Inc. Canada  
553. Exceed Energy Inc. Canada  
554. Excelsior Energy Limited Canada  
555. EXCO Resources, Inc. United States Texas
556. Exco Resources, Inc. (OLD) United States Texas
557. Exoil Ltd Australia  
558. Expedition Energy Inc. Canada  
559. Explortex Energy Inc Canada  
560. Exterra Energy Inc. United States Texas
561. Exxon Mobil Corporation United States Texas
562. Exxoteq Limited South Africa  
563. Faeton-Aero-Finans OOO (P) Russia  
564. Fair Sky Resources Inc. Canada  
565. Fairborne Energy Ltd. Canada  
566. Fairquest Energy Ltd. Canada  
567. FairWest Energy Corp. Canada  
568. Falcon Natural Gas Corp. United States Texas
569. Falcon Oil & Gas Ltd. United States Colorado
570. Falcon Oil and Gas Co. United States Texas
571. Falkland Oil and Gas Limited United Kingdom  
572. Fall River Resources Limited Canada  
573. Far East Energy Corporation United States Texas
574. Faroe Petroleum plc United Kingdom  
575. FEC Resources Inc. Canada  
576. Ferrellgas Finance Corp. United States Kansas
577. Ferrellgas, L.P. United States Kansas
578. Fidelis Energy Inc. United States California
579. Fieldpoint Petroleum Corporation United States Texas
580. FINA INC.   United States Texas
581. Financitech Ltd. Israel  
582. First Australian Resources Limited Australia  
583. First Calgary Petroleums Canada  
584. First Calgary Petroleums Ltd. Canada  
585. FLEX LNG Ltd United Kingdom  
586. Flora EcoPower Holding AG Germany  
587. Flying A Petroleum Ltd. Canada  
588. Foothills Resources, Inc. United States California
589. Force Energy Corp. Canada  
590. Forcenergy, Inc.   United States Louisiana
591. Foreland Corporation United States Texas
592. Forest Oil Corp. (OLD) United States Colorado
593. Forest Oil Corporation United States Colorado
594. Forte Resources Inc. Canada  
595. Fortune Natural Resources United States Texas
596. Fortune Oil plc United Kingdom  
597. Forum Energy Plc United Kingdom  
598. Forum Pacific Inc. Philippines  
599. Founders Energy Ltd.   Canada  
600. Fox Petroleum Inc United Kingdom  
601. Fracmaster Ltd.   Canada  
602. Franco-Nevada Corporation Canada  
603. Fred. Olsen Production ASA Norway  
604. Friendly Energy Exploration United States Nevada
605. Frontera Resources Corporation United States Texas
606. Frontier Oil Corporation United States Texas
607. Frontier Resources International plc United Kingdom  
608. FUJI KOSAN COMPANY, LTD. Japan  
609. Fusion Oil & Gas plc UK  
610. FX Energy, Inc. United States Utah
611. GAIL (India) Limited India  
612. Gail (India) Limited (GDR) India  
613. GAIL (India) Limited (Parent) India  
614. Galaxy Energy Corporation United States Colorado
615. Gale Force Petroleum Inc. Canada  
616. Galp Energia SGPS SA Portugal  
617. Garnet Resources Corp.   United States Texas
618. Gas Plus SpA Italy  
619. Gasco Energy, Inc. United States Colorado
620. Gasol Plc United Kingdom  
621. Gastar Exploration Limited United States Texas
622. Gastar Exploration Limited (USA) United States Texas
623. GB Energy Ltd. Australia  
624. Gemini Energy Corp. Canada  
625. General Atlantic Resource   United States Colorado
626. Genesis Energy Holdings Limited Hong Kong  
627. Genesis Energy, L.P. United States Texas
628. Genesis Exploration Ltd.   Canada  
629. Genesis Exploration Ltd.   Canada  
630. Gentry Resources Ltd. Canada  
631. GeoGlobal Resources Inc. Canada  
632. GeoMet, Inc. United States Texas
633. GeoPetro Resources Company United States California
634. GeoPetro Resources Company United States California
635. GeoResources, Inc. United States  
636. Georex S.A. France  
637. Gerrity Oil & Gas Corp.   United States Colorado
638. Getty Petroleum Marketing United States New York
639. Ghana Oil Company Limited   Ghana  
640. Giant Industries, Inc. United States Arizona
641. Gippsland Offshore Petroleum Ltd. Australia  
642. Giprotyumenneftegaz OAO (P) Russia  
643. Givot Olam Oil Exploration Israel  
644. Glamis Resources Ltd. Canada  
645. Glen Rose Petroleum Corporation United States Texas
646. Global Energy Development PLC United Kingdom  
647. Global Natural Resources   United States Texas
648. Global Partners LP United States Massachusetts
649. Global Petroleum Limited Australia  
650. Globex Resources Ltd. Canada  
651. GMX Resources Inc. United States Oklahoma
652. Goa Carbons Ltd India  
653. GoEnergy, Inc. United States Oregon
654. Gold Oil Plc. United Kingdom  
655. Gold Point Energy Corp. Canada  
656. Golden Aria Corp Canada  
657. Golden Cariboo Resources Ltd. Canada  
658. Golden Gate Petroleum Ltd Australia  
659. Golden Oil Company   United States Texas
660. Goldenfrank Resources Inc. Canada  
661. Goldnev Resources Inc. Canada  
662. Goodrich Petroleum Corporation United States Texas
663. Gothic Energy Corporation   United States Oklahoma
664. Gran Tierra Energy Inc. Canada  
665. Granby Oil and Gas Plc UK  
666. Grand Banks Energy Corporation Canada  
667. Grand Petroleum Inc. Canada  
668. Granite Energy Inc. United States Utah
669. Granite Hacarmel Investments Ltd. Israel  
670. Great Artesian Oil and Gas Limited Australia  
671. Great Eastern Ener.& Dev.   United States Colorado
672. Great Eastern Energy Corporation Ltd. India  
673. Great Lakes Carbon Income Fund Canada  
674. Great Offshore Ltd. India  
675. Great Plains Exploration Inc. Canada  
676. Greenpower Energy Limited Australia  
677. Greentree Gas & Oil Ltd. Canada  
678. Greenvale Mining NL Australia  
679. GREKA Energy Corporation United States New York
680. Grey Wolf Exploration   Canada  
681. Grey Wolf Exploration Inc.   Canada  
682. Grey Wolf Exploration Inc. Canada  
683. Griffith Consumers Co.   United States Maryland
684. Groundstar Resources Ltd. Canada  
685. Groupe Julliard SA France  
686. Grove Energy Ltd. Canada  
687. Grupa Lotos SA Poland  
688. GS Holdings Corp. South Korea  
689. GS Holdings Corp. (Parent) South Korea  
690. GSV, Inc United States Connecticut
691. Gulf Canada Resources Ltd   Canada  
692. Gulf Coast Oil & Gas, Inc. United States Texas
693. Gulf Indonesia Resources (ADR)   Indonesia  
694. Gulf Western Petroleum Corporation United States Texas
695. Gulfport Energy Corporation United States Oklahoma
696. Gulfsands Petroleum plc Ecuador  
697. Gulfstream Resources Ltd.   Canada  
698. GulfTerra Energy Partners, L.P. United States Texas
699. Habanero Resources Inc. Canada  
700. Hadson Energy Resources   United States Oklahoma
701. HaiKe Chemical Group Limited China  
702. Hallwood Energy Corp.   United States Colorado
703. Hallwood Energy Corp. OLD   United States Colorado
704. Halstead Energy Corp. United States New York
705. Hankook Shell Oil Co., Ltd South Korea  
706. HarCor Energy, Inc.   United States Texas
707. Hardy Oil & Gas plc United Kingdom  
708. Harvest Energy Trust Canada  
709. Harvest Natural Resources, Inc. United States Texas
710. Hawk Energy Corp. Canada  
711. Heartland Oil and Gas Corp. United States Texas
712. Hellenic Petroleum S.A. Greece  
713. Hemisphere Development (ADR)   Canada  
714. Hemisphere Energy Corp Canada  
715. Heritage Oil Corporation United Kingdom  
716. Heritage Oil PLC United Kingdom  
717. Heungu Oil South Korea  
718. High Point Resources Inc. Canada  
719. Highpine Oil & Gas Limited Canada  
720. Hiland Holdings GP, LP United States Oklahoma
721. Hiland Partners, LP United States Oklahoma
722. Hindustan Oil Exploration Company Ltd India  
723. Hindustan Oil Exploration Company Ltd(P) India  
724. Hindustan Petroleum Corporation Limited India  
725. Hindustan Petroleum Corporation Ltd (P) India  
726. Hitech Drilling Services India Limited   India  
727. HK Energy Partners LP United States Texas
728. HKN, Inc. United States Texas
729. Holly Corporation United States Texas
730. Home Oil Company Limited   Canada  
731. Honam Petrochemical Corp. South Korea  
732. Honam Petrochemical Corp. (Parent) South Korea  
733. Hondo Oil & Gas Company   United States Texas
734. Horizon Oil Limited Australia  
735. Houston American Energy Corporation United States Texas
736. Howell Corporation United States Texas
737. HS Resources, Inc. United States California
738. HTI Ventures Corp. Canada  
739. Hugoton Energy Corp.   United States Kansas
740. Hugoton Royalty Trust United States Texas
741. Hull Energy, Inc. United States Florida
742. Huntington Exploration Inc. Canada  
743. Huntway Refining Company United States California
744. Husky Energy Inc. Canada  
745. Husky Energy Inc. (ADR) Canada  
746. Hydrodec Group plc United Kingdom  
747. Idemitsu Kosan Co., Ltd. Japan  
748. Impact Energy Inc. Canada  
749. Imperial Energy Corp plc United Kingdom  
750. Impress Energy Ltd. Australia  
751. INA-Industrija nafte d.d (GDR) Croatia  
752. INA-Industrija nafte d.d. Croatia  
753. Indago Petroleum Limited United Kingdom  
754. Independent Petroleum Group Co SAKC Kuwait  
755. Index Oil & Gas, Inc. United States Texas
756. Indigo-Energy, Inc. United States Nevada
757. Indus Gas Limited United Kingdom  
758. Inergy, L.P. United States Missouri
759. Infiniti Resources International Ltd. Canada  
760. Inland Resources Inc. United States Colorado
761. Innamincka Petroleum Limited Australia  
762. Innova Exploration Ltd. Canada  
763. Insignia Energy Ltd. Canada  
764. Int'l Colin Energy Corp.   Canada  
765. Interfoundry Inc. United States California
766. Interline Resources Corporation United States Utah
767. International Coastal Biofuels, Inc. United States Florida
768. International Energy, Inc. United States Washington
769. International Frontier Resources Corp. Canada  
770. International Fuel Technology, Inc. United States Missouri
771. International Petroleum   Canada  
772. International Sovereign Energy Corp. Canada  
773. InterOil Corporation Australia  
774. InterOil Corporation (CHESS) Australia  
775. InterOil Corporation (USA) Australia  
776. InterOil Exploration and Production ASA Norway  
777. Interra Resources Limited Singapore  
778. Iofina plc United Kingdom  
779. Ionic Energy Inc.   Canada  
780. Ironhorse Oil & Gas Inc Canada  
781. IRPC Public Company Limited Thailand  
782. Irvine Energy Plc United Kingdom  
783. ISIS France  
784. Island Gas Resources PLC United Kingdom  
785. Island Oil and Gas PLC Ireland  
786. Isramco Negev 2 Limited Partnership Israel  
787. Isramco, Inc. United States Texas
788. ITERA NGK OOO Russia  
789. ITERA NGK OOO (P) Russia  
790. Iteration Energy Ltd. Canada  
791. Iteration Energy, Ltd. (USA) Canada  
792. Ithaca Energy Inc. Canada  
793. ITM Power plc United Kingdom  
794. Itochu Enex Co., Ltd. Japan  
795. Ivanhoe Energy Inc. Canada  
796. Ivanhoe Energy Inc. (USA) Canada  
797. Japan Energy Corporation Japan  
798. Japan Petroleum Exploration Co., Ltd. Japan  
799. Jayhawk Energy, Inc. United States Idaho
800. Jilin Chemical Industrial Co. Ltd (ADR) China  
801. Jilin Chemical Industrial Company Ltd China  
802. Jilin Chemical Industrial Company Ltd China  
803. Jinzhou Petrochemical Co., Ltd China  
804. JKX Oil & Gas Plc United Kingdom  
805. JMG Exploration Inc. United States California
806. John D. Oil and Gas Co. United States Ohio
807. Joong Ang Enervis Co., Ltd. South Korea  
808. Jordan Oil Shale Energy Co PLS Jordan  
809. Jordan Petroleum Refinery Company Ltd. Jordan  
810. JSC Gazprom Neft Russia  
811. JSC Gazprom Neft (P) Russia  
812. JSC Kazmunaigas Exploration & Production Kazakhstan  
813. Jumbo Petroleum Corp. Canada  
814. Junex Inc. Canada  
815. Jura Energy Corp. Canada  
816. K2 Energy Limited Australia  
817. K2 Energy Ltd. Australia  
818. Kairiki Energy Limited Australia  
819. KAMEI CORPORATION Japan  
820. Kaneb Services LLC United States Texas
821. Karoon Gas Australia Limited Australia  
822. KazMunayGaz Razvedka Dobycha AO Kazakhstan  
823. KCS Energy, Inc. United States Texas
824. Kelley Oil & Gas Partners   United States Texas
825. Kentucky USA Energy, Inc. United States  
826. Kenya Oil Company Limited Kenya  
827. Kerr-McGee Corporation United States Oklahoma
828. Kestrel Energy, Inc. United States Colorado
829. Ketch Resources Trust Canada  
830. Key Production, Inc.   United States Colorado
831. Keyera Facilities Income Fund Canada  
832. KeyWest Energy Corp   Canada  
833. KFG Resources Ltd. United States Mississippi
834. Khabarovsknefteprodukt OAO (P) Russia  
835. Kick Energy Corporation Canada  
836. Kilgore Oil & Gas Limited Australia  
837. Knight Energy Corp. United States Texas
838. Kochi Refineries Limited India  
839. Kodiak Energy Inc. Canada  
840. Kodiak Oil & Gas Corp. United States Colorado
841. Kodiak Oil & Gas Corp. United States Colorado
842. Koks OAO Russia  
843. Koks OAO (P) Russia  
844. Kompaniya RUSIA Petroleum OAO Russia  
845. Kompaniya RUSIA Petroleum OAO (P) Russia  
846. Kootenay Energy Inc. Canada  
847. Kristina Capital Corp. Canada  
848. L&M Petroleum Limited New Zealand  
849. L'vivs'kyi Doslidnyi Naftomaslozavod VAT Ukraine  
850. Labrador Technologies, Inc. Canada  
851. Lagasco Corp. Canada  
852. Lancaster Petroleum AO Kazakhstan  
853. Landis Energy Corporation Canada  
854. Landmark Oil & Gas Corp. Canada  
855. Lands End Resources Ltd. Canada  
856. Lanka IOC Limited Sri Lanka  
857. Largo Vista Group, Ltd. United States California
858. LASMO plc   UK  
859. Lasmo PLC (ADR) UK  
860. Lateral Vector Resources   Canada  
861. Lateral Vector Resources (USA)   Canada  
862. Leed Petroleum Plc United Kingdom  
863. Leprechaun Resources Ltd. Canada  
864. Lereno Bio-Chem Ltd. Singapore  
865. Lexam Explorations Inc. Canada  
866. LG International Corp. South Korea  
867. LG International Corp. (Parent) South Korea  
868. Liaohe Jinma Oilfield Co., Ltd. China  
869. Lignol Energy Corp. Canada  
870. Linc Energy Ltd Australia  
871. Link Energy LLC United States Texas
872. Linn Energy, LLC United States Texas
873. Lion Energy Ltd. Australia  
874. Lions Petroleum Inc. United States Colorado
875. Liquefied Natural Gas Limited Australia  
876. Litewave Corporation Canada  
877. LNG Energy Ltd. Canada  
878. Lochaird Energy Inc. Canada  
879. Lone Star Intn'l Energy   United States Texas
880. Longbow Resources Inc. Canada  
881. Longford Energy Inc. Canada  
882. Longreach Oil Limited Australia  
883. Longwei Petroleum Investment Holding Ltd China  
884. Loon Energy Corp Canada  
885. Louis Dreyfus Natural Gas   United States Oklahoma
886. Louisiana Land & Explor.   United States Louisiana
887. Louisiana Oil and Gas Plc United Kingdom  
888. Lucas Energy, Inc. United States Texas
889. Lucky Strike Explorations Inc United States Nevada
890. Luke Energy Ltd. Canada  
891. LUKOIL-NORSI-Invest OAO (P) Russia  
892. LUKOIL-Odes'kyi NPZ VAT Ukraine  
893. Lundin International SA France  
894. Lundin Oil AB (ADR)   Sweden  
895. Lundin Petroleum AB Sweden  
896. M.L. Cass Petroleum Corp   Canada  
897. Madalena Ventures Inc. Canada  
898. Madison Energy Corp. Canada  
899. Magellan Petroleum Australia Limited Australia  
900. Magellan Petroleum Corporation United States Connecticut
901. Magin Energy Inc.   Canada  
902. Magnum Energy Inc. Canada  
903. Magnum Hunter Resources United States Texas
904. Magnus Energy Inc. Canada  
905. Mahalo Energy Ltd. Canada  
906. Malka Oil AB Sweden  
907. Mallon Resources Corp.   United States Colorado
908. Manas Petroleum Corporation Switzerland  
909. Mangalore Refinery & Petrochemicals Ltd. India  
910. MangistauMunayGaz AO Kazakhstan  
911. MAPCO Inc. United States Oklahoma
912. Maple Energy plc Ireland  
913. March Resources Corp. Canada  
914. Mari Gas Company Limited Pakistan  
915. Mariner Energy, Inc. United States Texas
916. Marion Energy Limited Australia  
917. Marksmen Resources Ltd. Canada  
918. MarkWest Hydrocarbon, Inc. United States Colorado
919. Mart Resources Inc. Canada  
920. Martin Midstream Partners L.P. United States Texas
921. Marubeni Corporation Japan  
922. Marubeni Corporation(Parent) Japan  
923. Maskal Energy Inc Canada  
924. Masters Energy Inc. Canada  
925. Matachewan Consolidated Mines, Limited Canada  
926. Matador Petroleum Corp.   United States Texas
927. Materials-Petroleum JSC Vietnam  
928. Matra Petroleum Plc United Kingdom  
929. Matrixx Resource Holdings, Inc. United States California
930. Matsumura Oil Research Corp. Japan  
931. Mauritius Oil Refineries Limited Mauritius  
932. Maverick Energy Limited Australia  
933. Maxim TEP Inc United States Texas
934. Maximus Ventures Ltd. Canada  
935. Maxum Petroleum Holdings, Inc. United States Connecticut
936. Maxus Energy Corp. United States Texas
937. Maxx Petroleum Ltd.   Canada  
938. Maynard Oil Company   United States Texas
939. Mazeikiu Nafta AB Lithuania  
940. McChip Resources, Inc. Canada  
941. McFarland Energy, Inc.   United States California
942. McMoRan Exploration Co. United States Louisiana
943. Mediterranean Oil & Gas PLC United Kingdom  
944. Megawest Energy Corp Canada  
945. Melrose Resources plc United Kingdom  
946. Mendell Energy Tech., Inc United States Colorado
947. MEO Australia Limited Australia  
948. Meota Resources Corp.   Canada  
949. Mercfuel, Inc.   United States California
950. Mercury Air Group, Inc. United States California
951. Meridian Energy Corporation Canada  
952. Meridian Petroleum Plc United Kingdom  
953. Meridian Resource Corp. United States Texas
954. Mesa, Inc.   United States Texas
955. Metalore Resources Limited Canada  
956. Meteor Industries, Inc. United States Colorado
957. Metgasco Limited Australia  
958. Mewbourne Energy Partners 03-A, L.P. United States Texas
959. Mexco Energy Corporation United States Texas
960. MGM Energy Corp. Canada  
961. Michang Oil Industry Co., Ltd South Korea  
962. Midcoast Energy Resources   United States Texas
963. Midland Resources, Inc.   United States Texas
964. Midnight Oil & Gas Ltd. Canada  
965. Midnight Oil Exploration Ltd. Canada  
966. MIDOR Egypt  
967. Miller Exploration Company United States Michigan
968. Miller Petroleum Inc United States Tennessee
969. Minerco Resources, Inc. Canada  
970. Minmet Plc Ireland  
971. Mirage Energy Ltd. Canada  
972. Mission Newenergy Limited Australia  
973. Mission Oil & Gas Inc. Canada  
974. Mission Resources Corporation United States Texas
975. Misumi Co., Ltd. Japan  
976. Mitchell Energy & Develp. United States Texas
977. Mitsubishi Corporation Japan  
978. Mitsubishi Corporation(Parent) Japan  
979. Mobil Oil Nigeria plc Nigeria  
980. Moby Oil & Gas Ltd. Australia  
981. Modena Resources Limited Australia  
982. Modiin Energy Limited Partnership Israel  
983. Mogul Energy International, Inc. United States Washington
984. Mohave Exploration & Production Inc. Canada  
985. MOL Magyar Olaj- es Gazipari NyRt. Hungary  
986. Molopo Australia Limited Australia  
987. Monitor Energy Ltd. Australia  
988. Montello Resources Ltd. Canada  
989. Monterey Exploration Ltd. Canada  
990. Monterey Resources, Inc   United States California
991. Mooncor Oil & Gas Corp. Canada  
992. Moravske naftove doly, a.s. Czech Republic  
993. Morgan Creek Energy Corp United States Texas
994. Mosaic Oil N.L. Australia  
995. Mosnefteprodukt OAO (P) Russia  
996. Mountain-West Resources Inc. Canada  
997. MSR Exploration Ltd.(DE)   United States Texas
998. Murphy Oil Corporation United States Arkansas
999. Mykolaivnaftoprodukt VAT Ukraine  
1,000. Mystique Energy Inc. Canada  
1,001. Nafta a.d. Beograd Serbia  
1,002. Nahama & Weagant Energy   United States California
1,003. Nano World Projects Corp.   United States New York
1,004. Nation Energy, Inc.   Canada  
1,005. Nation Energy, Inc. (USA) Canada  
1,006. National Gas Company SAOG Oman  
1,007. National Petroleum Co., Ltd. Taiwan  
1,008. National Petroleum Company PLC Jordan  
1,009. National Refinery Limited Pakistan  
1,010. Natural Fuel Limited Australia  
1,011. Nautical Petroleum plc United Kingdom  
1,012. Neftebitum OAO (P) Russia  
1,013. Ness Energy International United States Texas
1,014. Neste Oil Corporation Finland  
1,015. Netco Energy Inc Canada  
1,016. Nevarro Energy Ltd. Canada  
1,017. New Century Energy Corp. United States Texas
1,018. New Concept Energy, Inc. United States Texas
1,019. New Frontier Energy Inc. United States Colorado
1,020. New NRG, Inc. United States Washington
1,021. New Range Resources Ltd. Canada  
1,022. New West Energy Services Inc. Canada  
1,023. New Zealand Oil & Gas Limited New Zealand  
1,024. Newfield Exploration Co. United States Texas
1,025. Newstar Resources, Inc.   United States Michigan
1,026. Newton Energy Corporation Canada  
1,027. Nexen Inc. Canada  
1,028. Nexen Inc. (USA) Canada  
1,029. Nexgen Petroleum Corp. United States Nevada
1,030. Nexstar Energy Ltd. Canada  
1,031. Nextraction Energy Corp. Canada  
1,032. Nexus Energy Limited Australia  
1,033. NGAS Resources, Inc. United States Kentucky
1,034. Nido Petroleum Limited Australia  
1,035. Nighthawk Energy Plc United Kingdom  
1,036. Niko Resources Ltd. Canada  
1,037. Nippon Oil Corporation Japan  
1,038. Nippon Oil Corporation (Parent) Japan  
1,039. Nitro Petroleum, Inc. Canada  
1,040. Nizhnevartovskneftegaz OAO (P) Russia  
1,041. NMI Group, Inc. United States California
1,042. Noble Energy, Inc. United States Texas
1,043. Norcen Energy Resources Canada  
1,044. Noril'skgazprom OAO (P) Russia  
1,045. Norse Energy Corporation ASA Norway  
1,046. North American Energy Resources, Inc. United States Texas
1,047. North Coast Energy, Inc. United States Ohio
1,048. North Peace Energy Corp. Canada  
1,049. North Star Petroleum Co., Ltd Taiwan  
1,050. Northern Explorations Ltd United States Arizona
1,051. Northern Oil & Gas, Inc. United States Minnesota
1,052. Northern Petroleum Plc United Kingdom  
1,053. Northern Spirit Resources Inc. Canada  
1,054. Norwegian Energy Company ASA Norway  
1,055. Norwest Energy NL Australia  
1,056. Norwood Resources Ltd. Canada  
1,057. Nostra Terra Oil and Gas Company plc United Kingdom  
1,058. Nova Biosource Fuels, Inc. United States Texas
1,059. NOVA Corp. (OLD-Alberta)   Canada  
1,060. Nova Energy, Inc. United States Nevada
1,061. Nova Natural Res. (OLD)   United States Colorado
1,062. NovaGold Petro Resources Ltd India  
1,063. Novo-Ufimskiy nefteperer. zavod OAO (P) Russia  
1,064. Novus Petroleum Limited Australia  
1,065. NRG South Central Generating LLC United States Minnesota
1,066. Nuevo Energy Company United States Texas
1,067. NuLoch Resources Inc. Canada  
1,068. Numac Energy Inc.   Canada  
1,069. NuVista Energy Ltd. Canada  
1,070. Nycal Corporation   United States Washington D.C.
1,071. Nycan Energy Corp. Canada  
1,072. Oakridge Energy Inc United States Texas
1,073. Oando Plc Nigeria  
1,074. Occidental Petroleum Corporation United States California
1,075. Ocean Energy, Inc. United States Texas
1,076. Octanex NL Australia  
1,077. Odin Energy Limited Australia  
1,078. Odyssey Oil & Energy Inc South Africa  
1,079. Offshore Energy Develop.   United States Texas
1,080. OGY Petroleums Ltd. Canada  
1,081. Oil & Gas Development Co., Ltd. Pakistan  
1,082. Oil & Natural Gas Corp. Ltd. (Parent) India  
1,083. Oil & Natural Gas Corporation Limited India  
1,084. Oil Basins Limited Australia  
1,085. Oil India Limited India  
1,086. Oil Search Limited Australia  
1,087. Oil Terminal SA Romania  
1,088. OILEX LTD. Australia  
1,089. Oilexco Incorporated Canada  
1,090. Oilsands Quest Inc. Canada  
1,091. Oiltec Resources Ltd. Canada  
1,092. Oklahoma Energy Corp. United States Oklahoma
1,093. Olco Petroleum Group Inc. Canada  
1,094. Olympia Energy Inc. Canada  
1,095. Oman Oil Marketing Company SAOG Oman  
1,096. Omni Exploration, Inc.   United States Texas
1,097. OMNIPower, Inc.   United States California
1,098. OMV Aktiengesellschaft Austria  
1,099. OMV Aktiengesellschaft (ADR) Austria  
1,100. Onco Petroleum Inc. Canada  
1,101. Opal Energy Corp. Canada  
1,102. Oracle Energy Corp. Canada  
1,103. Orca Exploration Group Inc. Canada  
1,104. Orchard Petroleum Limited Australia  
1,105. Orenburggeologiya OAO (P) Russia  
1,106. Orenburgneft' OAO (P) Russia  
1,107. Oriental Petroleum & Minerals Corp. Philippines  
1,108. Origin Energy Limited Australia  
1,109. Orion Petroleum Limited Australia  
1,110. Orleans Energy Ltd. Canada  
1,111. Orogen Minerals Limited   Australia  
1,112. Orsknefteorgsintez OAO (P) Russia  
1,113. Oryx Energy Co. United States Texas
1,114. Osage Exploration and Development, Inc. United States California
1,115. Osprey Energy LTD. Canada  
1,116. Otto Energy Limited Australia  
1,117. Oxford Catalysts Group plc United Kingdom  
1,118. P/F Atlantic Petroleum Faroe Islands  
1,119. PA Resources AB Sweden  
1,120. Pacalta Resources Ltd.   Canada  
1,121. Pacific Asia Petroleum, Inc. United States New York
1,122. Pacific Energy Resources Ltd. United States California
1,123. Pacific Rubiales Energy Corp. Canada  
1,124. Pacifica, Inc. Philippines  
1,125. Pacrim Energy Limited Australia  
1,126. Painted Pony Petroleum Limited Canada  
1,127. Pakistan Oilfields Ltd. Pakistan  
1,128. Pakistan Petroleum Ltd. Pakistan  
1,129. Pakistan Refinery Ltd Pakistan  
1,130. Pakistan State Oil Company Limited Pakistan  
1,131. Paladin Resources plc UK  
1,132. Pan Andean Resources plc United Kingdom  
1,133. Pan Orient Energy Corp. Canada  
1,134. Pan Pacific Petroleum NL Australia  
1,135. PANACO, Inc. United States Texas
1,136. Pancontinental Oil & Gas NL Australia  
1,137. Pangea Petroleum Corporation United States Texas
1,138. Panhandle Oil and Gas Inc. United States Oklahoma
1,139. PanOcean Energy Corporation Limited UK  
1,140. Pantheon Resources Plc United Kingdom  
1,141. PanWestern Energy Inc. Canada  
1,142. Paradigm Oil and Gas, Inc.   Canada  
1,143. Parallel Petroleum Corporation United States Texas
1,144. PARAMO, a.s. Czech Republic  
1,145. Paramount Energy Trust Canada  
1,146. Paramount Resources, Ltd. Canada  
1,147. Paramount Resources, Ltd. (ADR) Canada  
1,148. Parkland Income Fund Canada  
1,149. Patch International Inc. Canada  
1,150. Patina Oil & Gas Corp. United States Colorado
1,151. Patria Resources Ltd. Canada  
1,152. Patrick Petroleum Company   United States Michigan
1,153. Patriot Energy Corp. United States Texas
1,154. Pavlodarskiy neftekhimicheskiy zavod AO Kazakhstan  
1,155. Pearl Energy Limited Singapore  
1,156. Pebercan Inc. Canada  
1,157. Peerless Energy Inc. Canada  
1,158. Pegasi Energy Resources Corp United States Texas
1,159. Pegasus Oil & Gas Inc. Canada  
1,160. Pendaries Petroleum Ltd.   United States Texas
1,161. Pengrowth Energy Trust Canada  
1,162. Pengrowth Energy Trust (USA) Canada  
1,163. Penn Octane Corporation United States California
1,164. Penn Virginia Corporation United States Pennsylvania
1,165. Penn West Energy Trust Canada  
1,166. Penn West Energy Trust (USA) Canada  
1,167. Pennaco Energy, Inc.   United States Colorado
1,168. Peregrine Energy Ltd Canada  
1,169. Permian Basin Royalty Trust United States Texas
1,170. Petrel Resources PLC Ireland  
1,171. Petro Andina Resources Inc. Canada  
1,172. Petro Matad Limited United Kingdom  
1,173. Petro Resources Corporation United States Texas
1,174. Petro Union, Inc.   United States Indiana
1,175. Petro Vista Energy Corp. Canada  
1,176. Petro-Reef Resources Ltd. Canada  
1,177. Petrobank Energy and Resources Ltd. Canada  
1,178. Petrobras Energia Participaciones SA Argentina  
1,179. Petrobras Energia S.A. Argentina  
1,180. Petrobras International Finance Co. Cayman Islands  
1,181. Petroceltic International PLC Ireland  
1,182. PetroCorp Incorporated United States Oklahoma
1,183. PetroCorp, Inc. United States New York
1,184. PetroEnergy Resources Corp. Philippines  
1,185. PetroFalcon Corporation Canada  
1,186. Petrofund Energy Trust Canada  
1,187. Petroglobe Inc. Canada  
1,188. Petroglyph Energy, Inc.   United States Kansas
1,189. Petrohawk Energy Corporation United States Texas
1,190. PetroHunter Energy Corp. United States Colorado
1,191. Petrol AD Sofia Bulgaria  
1,192. Petrol One Corp. Canada  
1,193. Petrola Hellas S.A. Greece  
1,194. PetroLatina Energy Plc United Kingdom  
1,195. Petroleos Mexicanos Mexico  
1,196. Petrolera del Conosur S.A. Argentina  
1,197. Petrolex Energy Corporation Canada  
1,198. Petrolexportimport SA Romania  
1,199. Petrolia Drilling ASA Norway  
1,200. Petrolia Inc. Canada  
1,201. Petrolifera Petroleum Limited Canada  
1,202. Petrolimex Hanoi Trans & Trading JSC Vietnam  
1,203. Petrolimex International Trading JSC Vietnam  
1,204. Petrolimex Petrochemical JSC Vietnam  
1,205. Petrolimex Saigon Trans and Service JSC Vietnam  
1,206. Petrolina (Holdings) Public Ltd Cyprus  
1,207. Petrolinvest SA Poland  
1,208. PETROLSUB S.A. Romania  
1,209. Petrolympic Ltd. Canada  
1,210. Petrom Aviation SA Romania  
1,211. Petrom SA Romania  
1,212. Petromet Resources Ltd.   Canada  
1,213. Petromin Resources Limited Canada  
1,214. Petrominerales Colombia  
1,215. Petrominerals Corporation United States California
1,216. Petron Corporation Philippines  
1,217. Petronas Dagangan Berhad Malaysia  
1,218. PetroNeft Resources Plc Ireland  
1,219. Petroplus Holdings AG Switzerland  
1,220. Petroplus International NV Netherlands  
1,221. PetroQuest Energy, Inc. United States Louisiana
1,222. PetroReal Energy Inc. Canada  
1,223. Petrosearch Energy Corporation United States Texas
1,224. PetroWorth Resources Inc. Canada  
1,225. Petsec Energy Ltd (ADR) Australia  
1,226. Petsec Energy Ltd. Australia  
1,227. Peyto Energy Trust Canada  
1,228. PGNiG SA Poland  
1,229. Phoenix Canada Oil Company Limited Canada  
1,230. Phoenix Energy Resource Corp. United States California
1,231. Phoenix Petroleum Philippines, Inc. Philippines  
1,232. Picnic Corporation Public Co Ltd Thailand  
1,233. Pico Resources Ltd. Canada  
1,234. Pilagold Inc. Canada  
1,235. Pilot Energy Ltd. Canada  
1,236. Pinewood Resources Ltd. Canada  
1,237. Pinnacle Energy Corp United States California
1,238. Pioneer Natural Resources United States Texas
1,239. Pioneer Oil and Gas United States Utah
1,240. Plains All American Pipeline, L.P. United States Texas
1,241. Plains Exploration & Production Company United States Texas
1,242. Plains Petroleum Company   United States Colorado
1,243. Plains Resources Inc. United States Texas
1,244. Planet Gas Limited Australia  
1,245. Platina Energy Group Inc. United States Texas
1,246. Platinum Energy Resources, Inc. United States New York
1,247. Player Petroleum Corp.   Canada  
1,248. Player Petroleum Corp. (USA)   Canada  
1,249. Pluris Energy Group Inc. Canada  
1,250. PNOC Exploration Corporation Philippines  
1,251. Po Valley Energy Limited Australia  
1,252. Pogo Producing Company United States Texas
1,253. Point North Energy Limited Canada  
1,254. Polski Koncern Naftowy ORLEN SA Poland  
1,255. Pontotoc Production, Inc.   United States Oklahoma
1,256. Portrush Petroleum Corporation Canada  
1,257. Post Energy Corporation   Canada  
1,258. Powder River Petro International Inc. United States Oklahoma
1,259. Power Oil & Gas Inc. Canada  
1,260. Powerhouse Resources Inc.   United States Colorado
1,261. Prairie Oil Royalties Co.   Canada  
1,262. Prairie Pacific Energy Corporation Canada  
1,263. Prairie Schooner Petroleum Ltd. Canada  
1,264. Premcor Inc. United States Connecticut
1,265. Premier Energy Corp United States Texas
1,266. Premier Oil PLC United Kingdom  
1,267. Premier Oil plc (ADR) United Kingdom  
1,268. Presidio Oil Company   United States Colorado
1,269. Pride Companies, L.P. United States Texas
1,270. Prima Energy Corporation United States Colorado
1,271. Primagaz Hungaria Hungary  
1,272. Primary Petroleum Corporation Canada  
1,273. PrimeEnergy Corporation United States Connecticut
1,274. Primegen Energy Corporation United States Texas
1,275. PrimeWest Energy Trust Canada  
1,276. Prize Energy Corp.   United States Texas
1,277. ProAm Explorations Corporation Canada  
1,278. Probe Resources Ltd. Canada  
1,279. Probex Corp. United States Texas
1,280. Profound Energy Inc. Canada  
1,281. Progress Energy Resources Corp Canada  
1,282. Prolab Technologies Inc. Canada  
1,283. Prolong International Corporation United States California
1,284. ProMax Energy, Inc. Canada  
1,285. Prometheus Energy Company United States Washington
1,286. ProspEx Resources Ltd. Canada  
1,287. Prouchvane i dobiv na neft i gaz AD Bulgaria  
1,288. Providence Resources P.l.c. Ireland  
1,289. PS Group Holdings, Inc. United States California
1,290. PT Apexindo Pratama Duta Tbk Indonesia  
1,291. PT Energi Mega Persada Tbk Indonesia  
1,292. PT Kertas Basuki Rachmat Indonesia Tbk Indonesia  
1,293. PT Medco Energi Internasional Tbk Indonesia  
1,294. PTT Aromatics and Refining PCL Thailand  
1,295. PTT Exploration and Production PCL Thailand  
1,296. PTT Public Company Limited Thailand  
1,297. Pure Energy Services Ltd. Canada  
1,298. Pure Resources, Inc. United States Texas
1,299. PYR Energy United States Colorado
1,300. Pyramid Oil Company United States California
1,301. Qatar Fuel (WOQOD) Q.S.C. Qatar  
1,302. Quadrise Fuels International Plc United Kingdom  
1,303. Quaker State Corp.   United States Texas
1,304. Quantum Energy, Inc. United States  
1,305. Quarry Oil & Gas Ltd. Canada  
1,306. Queensland Gas Company Limited Australia  
1,307. Quest Petroleum NL Australia  
1,308. Quest Resource Corporation United States Oklahoma
1,309. Questa Oil & Gas Co.   United States Oklahoma
1,310. Questar Corporation United States Utah
1,311. Questerre Energy Corp. Canada  
1,312. Quicksilver Resources Inc United States Texas
1,313. Rabigh Refining & Petrochemical Co. Saudi Arabia  
1,314. Radial Energy, Inc. United States Texas
1,315. Radius Resources Corp. Canada  
1,316. Rafinaria Astra Romana S.A. Romania  
1,317. Rafinerija Nafte a.d. Bosanski Brod Bosnia and Herzegovina  
1,318. Rafinerija ulja a.d. Modrica Bosnia and Herzegovina  
1,319. Rainchief Energy Inc Canada  
1,320. RAM Energy Resources, Inc. United States Oklahoma
1,321. RAM Energy, Inc. United States Oklahoma
1,322. Ramco Energy PLC United Kingdom  
1,323. Ramco Energy PLC (ADR)   UK  
1,324. Rancher Energy Corp. United States Colorado
1,325. Range Energy, Inc.   Canada  
1,326. Range Energy, Inc. (USA)   Canada  
1,327. Range Resources Corp. United States Texas
1,328. Range Resources Limited Australia  
1,329. Ranger Oil Limited   Canada  
1,330. Rapidfire Resources Ltd Canada  
1,331. Rawson Resources Limited Australia  
1,332. Rayong Purifier PCL Thailand  
1,333. Rayong Refinery Public Company Limited Thailand  
1,334. Real Resources, Inc. Canada  
1,335. Red Eagle Resources Corp.   United States Oklahoma
1,336. Red Fork Energy Limited Australia  
1,337. Red Sky Energy Limited Australia  
1,338. Redstar Oil & Gas Inc. Canada  
1,339. Redwood Energy, Ltd. Canada  
1,340. Reece Energy Exploration Corp. Canada  
1,341. Reef Resources Ltd Canada  
1,342. Refinaria de Petroleo Ipiranga S.A. Brazil  
1,343. Refinaria de Petroleos de Manguinhos SA Brazil  
1,344. Refineria La Pampilla SA Peru  
1,345. Regal Energy Corp. Canada  
1,346. Regal Energy Ltd. Canada  
1,347. Regal Petroleum PLC United Kingdom  
1,348. Reliance Industries Limited India  
1,349. Reliance Industries Limited (Parent) India  
1,350. Reliance Natural Resources Limited India  
1,351. Reliance Petroleum Limited India  
1,352. REM Offshore ASA Norway  
1,353. Remington Oil & Gas Corp. United States Texas
1,354. Rentech, Inc. United States California
1,355. Republic Resources, Inc. (OLD) United States Colorado
1,356. Resaca Exploitation, Inc. United States Texas
1,357. Reservoir Exploration Technology ASA Norway  
1,358. Resolute Energy Partners, LP United States Colorado
1,359. Resolute Energy, Inc. Canada  
1,360. Result Energy Inc. Canada  
1,361. Revus Energy ASA Norway  
1,362. Rex Energy Corporation United States Pennsylvania
1,363. Rheochem plc Australia  
1,364. Rhonda Corporation Canada  
1,365. Ria Resources Corp Canada  
1,366. Rialto Energy Limited Australia  
1,367. Richland Petroleum Corp   Canada  
1,368. Rider Resources Inc.   Canada  
1,369. Rigel Energy Corp.   Canada  
1,370. Rio Alto Exploration Ltd.   Canada  
1,371. Rio Vista Energy Partners LP United States Texas
1,372. Ripper Oil and Gas Inc. Canada  
1,373. Rival Energy Ltd. Canada  
1,374. RK-Gazset'servis OOO (P) Russia  
1,375. Roc Oil Company Limited Australia  
1,376. Rochester Energy Corp. Canada  
1,377. Rochester Resources Ltd. (USA) Canada  
1,378. Rock City Energy Corp. United States California
1,379. Rock Energy Inc. Canada  
1,380. Rock Energy Resources, Inc.