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Directory of Public Companies in Industry: Oil Well Services & Equipment A complete commercial credit report with financial statements is available for every company listed below, and for more than 40,000 public companies in our worldwide data base. But don't take our word for it. Examine a typical commercial credit report for free. We're sure you will agree that the quality of our commercial credit report is second to none. Note: Light grey text indicates a business whose financial statements are not current. Covering $49 trillion of revenue worldwide (World GDP is $70 trillion) # Company Name (sorted by Name) Country (click to sort by Country) State/Province 1. 3-D Geophysical, Inc. United States Colorado 2. 3DX Technologies Inc. United States Texas 3. Aban Offshore Ltd. India   4. Aban Offshore Ltd. (Parent) India   5. Abbot Group Limited United Kingdom   6. Ability Drilling ASA Norway   7. ADG Global Supply Limited Australia   8. Aegis Logistics Limited India   9. Aeroquest International Limited Canada   10. AGR Group ASA Norway   11. AK Korvet OAO (P) Russia   12. Aker ASA Norway   13. Aker Drilling ASA Norway   14. Aker Floating Production ASA Norway   15. Aker Maritime ASA   Norway   16. Aker Solutions ASA Norway   17. AKITA Drilling Ltd. Canada   18. Aktyubinskiy zavod neftyanogo oborud. AO Kazakhstan   19. Al Hassan Engineering Company SAOG Oman   20. Al Safat Energy Holding KSCC Kuwait   21. Alam Maritim Resources Berhad Malaysia   22. Alberta Star Development Corp. Canada   23. Allis-Chalmers Energy Inc. United States Texas 24. Alnas OAO (P) Russia   25. Alphageo India Ltd. India   26. AMBAR, Incorporated   United States Louisiana 27. American Energy Group Ltd United States Connecticut 28. American International Industries, Inc. United States Texas 29. American Shipping Company ASA Norway   30. Aminex plc Ireland   31. Anadime Corporation   Canada   32. Annica Holdings Limited Singapore   33. Anton Oilfield Services (Group) Ltd. China   34. Anzon Australia Limited Australia   35. APL Plc Norway   36. Aqua-Terra Supply Co. Limited Singapore   37. Archer Ltd Bermuda   38. Arcis Corporation Canada   39. Arethusa (Off-Shore) Ltd.   Bermuda   40. Armax Gaz SA Romania   41. Arrow Seismic ASA Norway   42. Arsenal Energy Inc. Canada   43. Asian Oilfield Services Ltd India   44. Atwood Oceanics, Inc. United States Texas 45. AuraSource Inc United States Arizona 46. Australian Oil and Gas Corporation Ltd.   Australia   47. Avatar Petroleum Inc.   Canada   48. Awilco Drilling PLC United Kingdom   49. Badger Daylighting Inc. Canada   50. Badger Explorer ASA Norway   51. Baker Hughes Incorporated United States Texas 52. Baker Technology Limited Singapore   53. Baltic Oil Terminals plc United Kingdom   54. Bashneftegeofizika OAO (P) Russia   55. Basic Energy Services United States Texas 56. Basic Energy Services, Inc United States Texas 57. Bateman Litwin N.V. Netherlands   58. Bayard Drilling Technol. United States Oklahoma 59. Bearcat Explorations Ltd.   Canada   60. Belden & Blake Corp. (OLD) United States Ohio 61. Best Energy Services, Inc. United States Texas 62. Beta Well Service, Inc.   Canada   63. Big Cat Energy Corporation United States Wyoming 64. BJ Services Company United States Texas 65. Bjorge ASA Norway   66. Black Diamond Group Ltd. Canada   67. Blast Energy Services Inc United States Texas 68. Blue Ensign Technologies Ltd. Australia   69. Blueknight Energy Partners L.P. United States Oklahoma 70. Boart Longyear Ltd. United States Utah 71. Bode Energy Equipment Co Ltd China   72. Bolt Technology Corp. United States Connecticut 73. Bonheur ASA Norway   74. Bonray Drilling Corp.   United States Oklahoma 75. Boost Capital Corp Canada   76. Boots & Coots, Inc. United States Texas 77. Bourbon SA France   78. Bouygues Offshore S.A. (ADR)   France   79. Bowridge Resource Group   Canada   80. Brand Energy, Inc. United States Georgia 81. Brandrill Limited Australia   82. Bri-Chem Corp. Canada   83. Brilund Limited   United States Georgia 84. Bristow Group Inc United States Texas 85. Bronco Drilling Company, Inc. United States Oklahoma 86. Buckeye GP Holdings L.P. United States Texas 87. Buckeye Partners, L.P. United States Texas 88. Bugul'minskiy elektronas. zavod OAO (P) Russia   89. Builders Energy Services Trust Canada   90. Burgan Co for Well Drilling KSCC Kuwait   91. BW Offshore Limited Bermuda   92. C&J Energy Services Inc United States Texas 93. C-Tech Energy Services Inc. Canada   94. Cal Dive International, Inc. United States Texas 95. Calfrac Well Services Ltd. Canada   96. Calmena Energy Services Inc. Canada   97. Camco International, Inc. United States Texas 98. Cameron International Corporation United States Texas 99. Canadian Energy Services & Tech Corp Canada   100. Canadian Sub-Surface Energy Services Crp Canada   101. CanElson Drilling Inc. Canada   102. CanScot Resources Ltd.   Canada   103. Canyon Services Group Inc. Canada   104. Capital City Energy Group, Inc. United States Ohio 105. Capital Reserve Canada Ltd Canada   106. CARBO Ceramics Inc. United States Texas 107. Caspian Services Inc. United States Utah 108. Cathedral Energy Services Income Trust Canada   109. CCR Technologies Ltd. Canada   110. CCS Income Trust Canada   111. CDM Resource Partners, L.P. United States Texas 112. CE Franklin Ltd. Canada   113. CE Franklin Ltd. (USA) Canada   114. Ceanic Corporation   United States Texas 115. Cecon ASA Norway   116. Central Alberta Well Services Corp. Canada   117. Central Energy Partners LP United States Texas 118. CGG Veritas France   119. CGG Veritas (ADR) France   120. CH Offshore Limited Singapore   121. Changhuat Corporation Berhad Malaysia   122. Chiles Offshore Inc.   United States Texas 123. China Oil Hbp Science&Technology Co Ltd China   124. China Oilfield Services Limited China   125. China Oilfield Services Limited China   126. China Oilfield Technology Services Group China   127. China Power Technology Inc China   128. Chinese People Holdings Company Limited China   129. Chuan Hup Holdings Limited Singapore   130. CIMC Enric Hldg Ltd Hong Kong   131. CIMC Raffles Offshore (Singapore) Limited Singapore   132. Cliffs Drilling Company   United States Texas 133. Clinton Gas Systems Inc.   United States Ohio 134. Clough Limited Australia   135. Collicutt Energy Services Ltd. Canada   136. Command Drilling Corp.   Canada   137. Compania Logistica de Hidrocarburos CLH Spain   138. Complete Production Services, Inc. United States Texas 139. Compressco Partners LP United States Oklahoma 140. Computalog, Ltd.   Canada   141. Concentrated Capital Limited Australia   142. Concord Energy Inc. United States Texas 143. Concordia Maritime AB Sweden   144. Condmag SA Romania   145. Consafe Offshore AB Sweden   146. Contracting & Marine Services Co. Kuwait   147. Corac Group plc United Kingdom   148. Core Laboratories N.V. Netherlands   149. Coretrack Limited Australia   150. Crested Corp. United States Wyoming 151. Crossfire Energy Services Inc. Canada   152. Crude Carriers Corp. Greece   153. d'Amico International Shipping S.A. Luxembourg   154. Dafora SA Romania   155. Dailey International, Inc United States Texas 156. Dawson Geophysical Company United States Texas 157. Dawson Production Serv. United States Texas 158. Daya Materials Berhad Malaysia   159. Dayang Enterprise Holdings Berhad Malaysia   160. Deep Down, Inc. United States Texas 161. Deep Industries Limited India   162. Deep Sea Supply Plc Cyprus   163. Delek Resources Inc United States Florida 164. Deleum Berhad Malaysia   165. Delta Seaboard International Inc United States Texas 166. Dialog Group Berhad Malaysia   167. Diamond Offshore Drilling, Inc. United States Texas 168. Diamondback Energy Services, Inc. United States Oklahoma 169. Dietswell SA France   170. Digger Resources Inc. Canada   171. Divestco Inc. Canada   172. DOAO Tsentrenergogaz OAO Gazprom Russia   173. Dockwise Ltd. Netherlands   174. DOF ASA Norway   175. DOF Subsea ASA Norway   176. Dolphin Offshore Enter. Ind Ltd (Parent) India   177. Dolphin Offshore Enterprises India Ltd. India   178. Dril-Quip, Inc. United States Texas 179. Drilex International Inc.   United States Texas 180. Drillers Technology Corp. Canada   181. Dual Drilling Company   United States Texas 182. Eagle Geophysical, Inc. United States Texas 183. Eastern Drilling ASA Norway   184. Eastern Pacific Industrial Corp. Berhad Malaysia   185. Ecosphere Technologies, Inc. United States Florida 186. Eidesvik Offshore ASA Norway   187. ElectroMagnetic GeoServices ASA Norway   188. Elektrogaz OAO Gazprom DOAO (P) Russia   189. Emex Corporation United States Colorado 190. EMS Energy Limited Singapore   191. Enbridge Energy Management, L.L.C. United States Texas 192. Enbridge Energy Partners, L.P. United States Texas 193. Enerflex Ltd Canada   194. Energy & Technology Corp United States Louisiana 195. Energy Services of America Corp. United States West Virginia 196. Engineers India Limited India   197. Engineers India Limited (Parent) India   198. EnQuest Energy Services Corp. Canada   199. ENSCO PLC United Kingdom   200. Enseco Energy Services Corp. Canada   201. Enserco Energy Service Co   Canada   202. Ensign Energy Services Inc. Canada   203. EnSource Energy Services   Canada   204. Enteq Upstream PLC United Kingdom   205. Enterprise Oilfield Group, Inc. Canada   206. Entrepose Contracting SA France   207. Environmental Energy Services, Inc. United States Idaho 208. EnviroXtract Inc United States Oklahoma 209. EOC Limited Singapore   210. Escondoro Resources Ltd. Canada   211. Essar Shipp. Ports & Log. Ltd. (Parent) India   212. Essential Energy Services Ltd Canada   213. Estrella Intl Energy Svs Ltd. Argentina   214. Eurasia Drilling Company Limited Russia   215. Eveready Inc Canada   216. Every Day Mine Services Limited Australia   217. Exploration Drilling International Germany   218. Exploration Resources ASA Norway   219. Expro International Group PLC United Kingdom   220. Exterran Holdings, Inc. United States Texas 221. Ezion Holdings Limited Singapore   222. Ezra Holdings Limited Singapore   223. Fairstar Heavy Transport N.V. Netherlands   224. Falcon Drilling Company United States Texas 225. Farstad Shipping ASA Norway   226. Federal International (2000) Ltd. Singapore   227. First Seismic Corp.   United States Texas 228. Flint Energy Services Ltd. Canada   229. Floatel International Ltd Bermuda   230. Flotek Industries, Inc. United States Texas 231. Flotek Industries, Inc. (OLD) United States Texas 232. FMC Technologies, Inc. United States Texas 233. FNPTs Stankomash OAO (P) Russia   234. Foraco International S.A. France   235. Forbes Energy Services Ltd. United States Texas 236. Forster Drilling Corporation United States Texas 237. Forum Energy Technologies Inc United States Texas 238. Forum Energy Technologies, Inc. United States Texas 239. FPS Ocean AS Norway   240. Frac Tech Services Inc United States Texas 241. Franklin Supply Co. Ltd.   Canada   242. Fred. Olsen Energy ASA Norway   243. Freedom Energy Holdings, Inc. United States Indiana 244. Friede Goldman Halter United States Mississippi 245. Frigstad Discoverer Invest LTD Virgin Islands   246. Frontier Drilling AS Norway   247. Frontier Energy Corp. United States Nevada 248. FTS International Inc United States Texas 249. Ganger Rolf ASA Norway   250. GASFRAC Energy Services, Inc. Canada   251. Gazavtomatika OAO Russia   252. Gazavtomatika OAO (P) Russia   253. Gazenergoservis OAO (P) Russia   254. Gazprom promgaz OAO (P) Russia   255. Gazpromgeofizika OAO (P) Russia   256. Gazpromneft'-Noyabr'skneftegazg. OAO (P) Russia   257. GC Rieber Shipping ASA Norway   258. Genesis Energy, L.P. United States Texas 259. Genoil Inc. Canada   260. Genoil Inc. (ADR) Canada   261. Geo Point Technologies Inc United States California 262. Geokinetics Inc. United States Texas 263. Georex S.A. France   264. Geospatial Holdings Inc United States Pennsylvania 265. GETECH Group Plc United Kingdom   266. GFI Oil & Gas Corporation United States Texas 267. Giprospetsgaz OAO (P) Russia   268. Giprotyumenneftegaz OAO (P) Russia   269. Giprovostokneft' OAO (P) Russia   270. Global Clean Energy Ord Shs United States Colorado 271. Global Geophysical Services, Inc. United States Texas 272. Global Industries, Ltd. United States Louisiana 273. Global Mainframe Corp Canada   274. Global Marine Energy plc UK   275. Global Marine Inc. United States Texas 276. Global Resource Corp. United States New Jersey 277. Global Rig Company ASA Norway   278. GlobalSantaFe Corporation United States Texas 279. Glori Energy Inc United States Texas 280. GMC for Ind Comrl and Fincl Inv Egypt   281. Golden Triangle Ind.(OLD)   United States Florida 282. Grant Geophysical, Inc. United States Texas 283. Grant Prideco, Inc. United States Texas 284. Great Offshore Ltd. India   285. Great White Energy Services Inc United States Oklahoma 286. Greatship (India) Ltd. India   287. Green Dragon Gas Ltd. Hong Kong   288. GreenHunter Energy, Inc. United States Texas 289. Grenland Group ASA Norway   290. Grey Wolf, Inc. United States Texas 291. Guideline Technology AB Sweden   292. Gulf Drilling International Limited QSC Qatar   293. Gulf International Services QSC Qatar   294. Gulf Petroleum Investment Co KSCC Kuwait   295. Hai Leck Holdings Limited Singapore   296. Halliburton Company United States Texas 297. Hallin Marine Subsea International Plc United Kingdom   298. Hallwood Consol. Resource United States Colorado 299. Hardman Resources Limited Australia   300. Havila Ariel ASA Norway   301. Havila Shipping ASA Norway   302. Heatec JieTong Holdings Ltd Singapore   303. Heckmann Corporation United States California 304. Helix Energy Solutions Group Inc. United States Texas 305. Helmerich & Payne, Inc. United States Oklahoma 306. Hengyang Petrochemical Logistics Ltd. China   307. Hercules Offshore, Inc. United States Texas 308. Heurtey Petrochem SA France   309. Hiap Seng Engineering Ltd. Singapore   310. High Arctic Energy Services, Inc. Canada   311. Hilong Holding Ltd China   312. HIP Energy Corp Canada   313. Holly Energy Partners, L.P. United States Texas 314. Honghua Group Ltd China   315. Horizon North Logistics Inc. Canada   316. Horizon Offshore, Inc. United States Texas 317. HRT Participacoes em Petroleo SA Brazil   318. Hunting plc United Kingdom   319. Hydril USA Manufacturing LLC United States Texas 320. Hyduke Energy Services Inc. Canada   321. I.N.O.C Dead Sea Limited Partnership Israel   322. IEV Holdings Ltd Malaysia   323. IHS Inc. United States Colorado 324. Impax Energy Services Income Trust Canada   325. Infrastrata PLC United Kingdom   326. Innicor Subsurface Technologies Inc. Canada   327. Insight Management Corporation United States California 328. Integra Group Russia   329. Integrated Production Svc   Canada   330. Ion Geophysical Corp United States Texas 331. IOT Infrastructure & Energy Services Ltd India   332. IRI International Corp. United States Texas 333. IROC Energy Services Corp. Canada   334. ITP Energy Corp United States Texas 335. Izhneftemash OAO (P) Russia   336. Izhorskiye zavody OAO (P) Russia   337. Jadranski naftovod d.d. Croatia   338. Jaihind Projects Limited India   339. Japan Drilling Co., Ltd. Japan   340. Jasper Investments Limited Singapore   341. Jindal Drilling Industries Ltd India   342. John Wood Group PLC United Kingdom   343. Jutal Offshore Oil Services Limited China   344. Kaneb Pipe Line Partners United States Texas 345. Kazakhstan Petrochemical Industries AO Kazakhstan   346. Kejuruteraan Samudra Timur Berhad Malaysia   347. Kelman Technologies Canada   348. Kencana Petroleum Berhad Malaysia   349. Key Energy Services, Inc. United States Texas 350. Khantymansiyskgeofizika OAO (P) Russia   351. Kinder Morgan Management, LLC United States Texas 352. Kinetex Resources Corp Canada   353. Kingdream Public Limited Company China   354. Klaipedos Nafta AB Lithuania   355. KNM Group Berhad Malaysia   356. Korea Technology Industry Co., Ltd. South Korea   357. Korporatsiya Ordabasy AO Kazakhstan   358. Krasnoyarskgeologiya OAO Russia   359. Kreuz Holdings Ltd Singapore   360. KTL Global Limited Singapore   361. KUB Malaysia Berhad Malaysia   362. Kuwait Pipes Industries & Oil Serv KSC Kuwait   363. Kuybyshevnefteorgsintez OAO (P) Russia   364. Kvaerner ASA Norway   365. Kvaerner ASA Norway   366. Lamprell Plc United Arab Emirates   367. Landocean Energy Services Co Ltd China   368. Laniuk Industries Inc. Canada   369. Lanzhou Haimo Technologies Co., Ltd. China   370. Lapidoth Israel Oil Prospectors Co Ltd Israel   371. Latex Resources, Inc.   United States Oklahoma 372. Leader Energy Services Ltd. Canada   373. Lenaneftegaz OAO   Russia   374. LianDi Clean Technology Inc China   375. Logan International Inc. Canada   376. LoneStar West Inc Canada   377. Lufkin Industries, Inc. United States Texas 378. Lupatech SA Brazil   379. Lyric International, Inc. United States Texas 380. M3nergy Berhad Malaysia   381. Macro Enterprises Inc. Canada   382. Madison Oil Company   United States Texas 383. Magellan Midstream Holdings, L.P. United States Oklahoma 384. Magellan Midstream Partners, L.P. United States Oklahoma 385. Magnus Energy Group Ltd. Singapore   386. Major Drilling Group Int'l Inc. Canada   387. Man Industries (India) Limited India   388. Maridive & Oil Services Co. Egypt   389. Marine Drilling Co., Inc.   United States Texas 390. Maritime Industrial Services Co. Ltd Inc. United Arab Emirates   391. Matrix Composites & Engineering Limited Australia   392. Matrix Service Company United States Oklahoma 393. Maverick Drilling and Exploration Ltd Australia   394. McCoy Corporation Canada   395. McDermott International United States Texas 396. Medserv p.l.c. Malta   397. Mermaid Marine Australia Limited Australia   398. Mermaid Maritime Public Company Limited Thailand   399. Miclyn Express Offshore Limited Singapore   400. Micron Enviro Systems, Inc. United States New York 401. Millennia, Inc. United States Texas 402. Mirach Energy Limited Hong Kong   403. Mitcham Industries, Inc. United States Texas 404. Monitor Oil PLC Cayman Islands   405. Mosteploset'energoremont OAO (P) Russia   406. Mostostal Gdansk SA   Poland   407. MPF Corp Ltd. Bermuda   408. MPK Aganneftegazgeologiya OAO (P) Russia   409. MTQ Corporation Limited Singapore   410. Mullen Group Ltd. Canada   411. Mun Siong Engineering Ltd Singapore   412. Nabors Exchangeco (Canada) Inc. Bermuda   413. Nabors Industries Ltd. Bermuda   414. NATCO Group Inc. United States Texas 415. National Petroleum Services Company Kuwait   416. National-Oilwell Varco, Inc. United States Texas 417. Natural Gas Services Group, Inc. United States Texas 418. Neftegazspetsstroy OAO (P) Russia   419. Neftemash OAO (P) Russia   420. Nelson Resources Limited UK   421. Neptune Marine Services Ltd Australia   422. New West Energy Services Inc. Canada   423. Newpark Resources, Inc. United States Texas 424. Nexus Floating Production Ltd. Norway   425. NIPIgazpererabotka OAO (P) Russia   426. Noble Corporation Switzerland   427. NOR Offshore Ltd Singapore   428. North American Energy Partners Inc. Canada   429. North American Energy Partners Inc.(USA) Canada   430. Northern Offshore Ltd. Bermuda   431. Northstar Drilling System   Canada   432. Norton Drilling Services   United States Texas 433. Nowsco Well Service, Ltd.   Canada   434. NPO Burovaya tekhnika OAO (P) Russia   435. NPO Promavtomatika OAO (P) Russia   436. NUMAR Corporation   United States Pennsylvania 437. NuStar Energy L.P. United States Texas 438. NuStar GP Holdings, LLC United States Texas 439. NV Nederlandse Gasunie Netherlands   440. NXT Energy Solutions Inc. Canada   441. Ocean Rig ASA Norway   442. Ocean Rig UDW Inc Cyprus   443. Oceaneering International United States Texas 444. Oceanteam Shipping ASA Norway   445. Odfjell Invest Ltd Bermuda   446. Odim Hitec ASA Norway   447. Offshore Navigation   United States Louisiana 448. Offshore Oil Engineering Co., Ltd China   449. Offshore Tool & Energy Corporation United States Alabama 450. Oil Country Tubular Ltd India   451. Oil States International, Inc. United States Texas 452. Oiltanking Partners LP United States Texas 453. OMNI Energy Services Corp. United States Louisiana 454. Opti Canada Inc. Canada   455. Orbit Garant Drilling Inc. Canada   456. Orgenergogaz DOAO (P) Russia   457. OSCA, Inc. United States Louisiana 458. OSX BRASIL SA Brazil   459. OZNA AK OAO (P) Russia   460. Pacific Drilling SA Luxembourg   461. Pacific Energy Partners, L.P. United States California 462. Palko Environmental Ltd. Canada   463. Pantera Drilling Income Trust Canada   464. Pantheon Ventures Ltd Canada   465. Parker Drilling Company United States Texas 466. Particle Drilling Technologies, Inc. United States Texas 467. Pason Systems Inc. Canada   468. Patterson Energy, Inc.   United States Texas 469. Patterson-UTI Energy, Inc. United States Texas 470. PBG SA Poland   471. Pe Ben Oilfield Services Ltd. Canada   472. Peak Energy Services Ltd Canada   473. PearlStreet Limited Australia   474. Pembina Pipeline Corp Canada   475. Penn Virginia GP Holdings, L.P. United States Pennsylvania 476. Perdana Petroleum Bhd Malaysia   477. Perisai Petroleum Teknologi Berhad Malaysia   478. Petra Energy Berhad Malaysia   479. Petrel Resources PLC Ireland   480. PetroFina S.A. (ADR)   Belgium   481. Petrojack ASA Norway   482. PetroKazakhstan Inc. Canada   483. PetroKazakhstan Inc. (USA) Canada   484. Petroleum Geo-Services ASA Norway   485. Petroleum Geo-Services ASA (ADR) Norway   486. Petroleum Long Champ (Group) Co., Ltd. China   487. Petrolia ASA Norway   488. PetroMENA ASA Norway   489. PetroProd Ltd. Singapore   490. Petrovietnam Drilling & Well Services Vietnam   491. Petrovietnam Engineering Consultancy JSC Vietnam   492. Petrovietnam Gas City Investment and Dev Vietnam   493. Petrovietnam General Services Corp Vietnam   494. Petrovietnam Technical Services Corp Vietnam   495. PHI Inc. United States Louisiana 496. Phoenix Oilfield Hauling Inc. Canada   497. PHX Energy Services Corp Canada   498. Pioneer Drilling Company United States Texas 499. Plains All American Pipeline, L.P. United States Texas 500. Plains GP Holdings, L.P United States Texas 501. Platinum Energy Solutions Inc United States Texas 502. Plexus Holdings PLC United Kingdom   503. Polarcus Ltd United Arab Emirates   504. Ponder Industries, Inc. United States Texas 505. Pool Energy Services Co. United States Texas 506. PowerSecure International, Inc. United States North Carolina 507. Precision Drilling Corporation Canada   508. Precision Drilling Corporation Canada   509. Pride International, Inc. United States Texas 510. Pride International, Inc.(OLD) United States Texas 511. Producers Oilfield Services Inc. Canada   512. Production Enhancement Group Inc. United States Texas 513. Production Operators Corp   United States Texas 514. Prosafe SE Cyprus   515. ProSep Inc. Canada   516. PT Citra Tubindo Tbk Indonesia   517. PT Indonesia Air Transport Tbk Indonesia   518. PT Mitra International Resources Tbk Indonesia   519. PT Perdana Karya Perkasa Tbk Indonesia   520. PT Radiant Utama Interinsco Tbk Indonesia   521. PT Ratu Prabu Energi Tbk Indonesia   522. PT Rukun Raharja Tbk Indonesia   523. Pulse Seismic Inc. Canada   524. Pure Energy Services Ltd. Canada   525. Qatar Gas Transport Company (NAKILAT) Qatar   526. QuestAir Technologies Inc. Canada   527. R H Energy Limited Singapore   528. R&B Falcon Corp. United States Texas 529. Raise Production Inc Canada   530. Ramunia Holdings Berhad Malaysia   531. Ranchgate Energy Inc. Canada   532. Reading & Bates Corp.   United States Texas 533. Real Time Measurements Inc. Canada   534. Recon Technology, Ltd. China   535. Red Mountain Resources Inc United States Texas 536. Refinery Science Corp. United States Texas 537. Regency Energy Partners LP United States Texas 538. REM Offshore ASA Norway   539. Remedial (Cyprus) PCL Cyprus   540. Remora ASA Norway   541. Renaissance Services Oman   542. Reservoir Exploration Technology ASA Norway   543. Resilient Resources Ltd. Canada   544. Revathi Equipment Limited (Parent) India   545. Rock Solid Images PLC United States   546. Rocky Mountain Energy Corp. Canada   547. Rosneft'-Tuapsenefteprodukt NK (P)   Russia   548. Rosneftegazstroy RAO OAO (P) Russia   549. Rowan Companies, Inc. United States Texas 550. Rowan Drilling Norway AS Norway   551. Roxar ASA Norway   552. Roxi Petroleum plc United Kingdom   553. Royale Energy, Inc. United States California 554. RPC, Inc. United States Georgia 555. Running Fox Resource Corp. Canada   556. Ryan Energy Technologies   Canada   557. SAAG Consolidated (M) Berhad Malaysia   558. Saga Tankers ASA Norway   559. Saipem SpA Italy   560. Samaraneftegeofizika OAO (P) Russia   561. Santa Fe Pacific Pipeline   United States California 562. Sanyo Engineering & Construction Inc. Japan   563. Sao Mai - Ben Dinh Petroleum Inv JSC Vietnam   564. Sapura Technology Berhad Malaysia   565. SapuraCrest Petroleum Berhad Malaysia   566. Saratovneftegeofizika OAO (P) Russia   567. Saudi Makamin Company Oil and Gas Servic Saudi Arabia   568. Savanna Energy Services Corp. Canada   569. Saxon Energy Services Inc. Canada   570. SBI Offshore Limited Singapore   571. SBM Offshore N.V. Netherlands   572. Schlumberger Limited. United States Texas 573. Schoeller-Bleckmann Oilfield Equip. AG Austria   574. Scomi Group Berhad Malaysia   575. Scorpion Offshore Ltd Bermuda   576. Sea Production Ltd Bermuda   577. Sea Trucks Group NIGERIA   578. SeaBird Exploration Plc Cyprus   579. SeaDrill Invest Ltd. Bermuda   580. SeaDrill Limited Bermuda   581. Seahawk Drilling, Inc. United States Texas 582. Seajacks International Ltd. Bermuda   583. SeaMetric International AS Norway   584. Seaway Energy Services Inc. Canada   585. Secunda International Limited Canada   586. Secure Energy Services Inc Canada   587. Seitel, Inc. United States Texas 588. SemGroup Corp United States Oklahoma 589. Set Point Group Limited South Africa   590. Sevan Drilling AS Norway   591. Sevan Marine ASA Norway   592. Seventh Energy Ltd. Canada   593. Severtruboprovodstroy OAO (P) Russia   594. SHANGHAI SK PETROLEUM China   595. Shannon International Inc. Canada   596. Sheridan Energy, Inc. United States Texas 597. Shinko Plantech Co., Ltd. Japan   598. Shiv Vani Oil & Gas Expl Service Ltd (P) India   599. Shiv Vani Oil & Gas Expl Services Ltd. India   600. Sibneftegeofizika OAO Russia   601. Sibtruboprovodstroy OAO (P) Russia   602. Sichuan Renzhi Oilfield Technology Se China   603. Siem Industries, Inc.   Bermuda   604. Siem Offshore Inc. Norway   605. Silver Star Energy, Inc. United States California 606. Sime Engineering Services Berhad Malaysia   607. Sino Geophysical Co Ltd China   608. Sinotech Energy Ltd ADR China   609. SKY China Petroleum Services Ltd. Singapore   610. Slavneft-Megionneftegazgeologiya OAO (P) Russia   611. SLOVENSKE ENERGETICKE STROJARNE as Slovakia   612. Smedvig ASA Norway   613. Smedvig ASA (ADR) Norway   614. Smith International, Inc. United States Texas 615. Societe Anonyme de Gestion de Stocks de France   616. Solana Petroleum Corp.   Canada   617. Solstad Offshore ASA Norway   618. Sondex plc UK   619. Songa Offshore SE Norway   620. South Shore Resources, Inc. Bahamas   621. Sovereign Exploration Associates Int Inc United States Pennsylvania 622. Sovereign Oilfield Group Plc United Kingdom   623. Spearhead Resources Inc. Canada   624. Spectrum ASA Norway   625. SPT Energy Group Inc China   626. SSP Offshore Inc United States   627. Stallion Oilfield Services, Ltd. United States Texas 628. Star Energy Group plc UK   629. Ste Trans. Hydrocarbures par Pipelines Tunisia   630. Stewart & Stevenson LLC United States Texas 631. Strad Energy Services Ltd Canada   632. Subsea 7 Inc. Cayman Islands   633. Subsea 7 SA Luxembourg   634. Subsea 7 SA (ADR) Luxembourg   635. Suelopetrol C.A., S.A.C.A. Venezuela   636. SulphCo, Inc. United States Texas 637. Sums'ke NVO im.M.V.Frunze VAT Ukraine   638. Sunoco Logistics Partners L.P. United States Pennsylvania 639. Superior Energy Services United States Louisiana 640. Superior Energy Services, Inc. United States Louisiana 641. Superior Offshore International, Inc. United States Texas 642. Superior Well Services, Inc. United States Pennsylvania 643. Swiber Holdings Limited Singapore   644. Swissco International Limited Singapore   645. T-3 Energy Services, Inc. United States Texas 646. Tanjung Offshore Berhad Malaysia   647. Tatneftegeofizika OAO (P) Russia   648. Technicoil Corporation Canada   649. Technics Oil & Gas Limited Singapore   650. Technip France   651. Technip (ADR) France   652. Tecnicas Reunidas SA Spain   653. Teekay Offshore Partners L.P. Bermuda   654. Teekay Petrojarl ASA Norway   655. Teho International Inc Ltd Singapore   656. Tempest Energy Corp. Canada   657. TEPPCO Partners, L.P. United States Texas 658. TEPPCO Partners, L.P. United States Texas 659. Terra Energy & Resource Tech., Inc. United States New York 660. Tesco Corporation United States Texas 661. Tesco Corporation (USA) United States Virginia 662. Tesoro Logistics LP United States Texas 663. TETRA Technologies, Inc. United States Texas 664. TGS NOPEC Geophysical Company ASA Norway   665. Thalassa Holdings Limited Virgin Islands, British   666. The Home-Stake Oil & Gas United States Oklahoma 667. The Western Co. of N.A.   United States Texas 668. Thule Drilling ASA Norway   669. Thunder Energy Trust Canada   670. Tidewater Inc. United States Louisiana 671. Titan Energy Services Ltd Australia   672. Titan Petrochemicals Group Limited Hong Kong   673. TMBR/Sharp Drilling, Inc. United States Texas 674. TODCO United States Texas 675. Tomskgazstroy OAO (P) Russia   676. Tong Oil Tools Co Ltd China   677. Topaz Energy and Marine Ltd United Arab Emirates   678. Torch Offshore, Inc. United States Louisiana 679. Tornado Technologies Inc Canada   680. Total Infrastructures Gaz France SA France   681. Trans Quebec & Maritimes Pipeline Inc Canada   682. TransCoastal Marine Srvc. United States Texas 683. TransMontaigne Partners L.P. United States Colorado 684. Transneft' AK OAO Russia   685. Transneft' AK OAO (P) Russia   686. Transnefteprodukt OAO (P) Russia   687. Transocean LTD Switzerland   688. Transocean, Inc. United States Texas 689. Travers OAO (P) Russia   690. Trican Well Service Ltd. Canada   691. Trinidad Drilling Ltd. Canada   692. TSM Tech Co., Ltd. South Korea   693. Tucker Drilling Company   United States Texas 694. Tuscany International Drilling Inc. Canada   695. Tyumenneftegeofizika OAO (P) Russia   696. U.S. Oil and Gas Resources Inc. Canada   697. Udmurtgeologiya OAO (P) Russia   698. Union Drilling, Inc. United States Texas 699. Union Drilling, Inc. United States Pennsylvania 700. Unit Corporation United States Oklahoma 701. United Energy Group Limited Hong Kong   702. United Oil Projects Company Kuwait   703. Universal Seismic Assoc. United States Texas 704. Uralburmash OAO (P) Russia   705. Uralmash-Izhora Group OMZ OAO Russia   706. Uralmash-Izhora Group OMZ OAO (P) Russia   707. Uraltekhnostroy-Tuymazykhimmash Russia   708. US Oil Sands Inc. Canada   709. USA Compression Partners, LP United States Texas 710. Usinskgeoneft' OAO (P) Russia   711. UTI Energy Corp.   United States Texas 712. Uzma Berhad Malaysia   713. Uztel SA Romania   714. Vantage Drilling Company United States Texas 715. Varco Int'l, Inc. (OLD) United States California 716. Varco International, Inc. United States Texas 717. VENTSPILS ZIVJU KONSERVU KOMBINATS AS Latvia   718. Venture Seismic Ltd.   Canada   719. Veritas DGC Inc. United States Texas 720. VGS Seismic Canada Inc. Canada   721. Viking Offshore And Marine Ltd Singapore   722. Viracocha Energy Inc. Canada   723. VNIPIgazdobycha OAO (P) Russia   724. Volgogradneftegeofizika OAO (P) Russia   725. Vostokgeologiya OAO (P) Russia   726. W-H Energy Services, Inc. United States Texas 727. Wah Seong Corporation Berhad Malaysia   728. Warrior Energy Services Corporation United States Mississippi 729. Wavefield Inseis ASA Norway   730. Wavefront Technology Solutions Inc. Canada   731. Weatherford Enterra, Inc. United States Texas 732. Weatherford International Ltd. Switzerland   733. Weatherford International, Inc. United States Texas 734. Wellco Energy Services Trust Canada   735. Wellstream Holdings PLC United Kingdom   736. Welton Energy Corporation Canada   737. Wenzel Downhole Tools Ltd. Canada   738. Wescorp Energy Inc. Canada   739. Western Atlas, Inc. United States Texas 740. Western Energy Services Corp. Canada   741. Western Lakota Energy Services Inc. Canada   742. Willbros Group, Inc. United States Texas 743. Winalta Inc. Canada   744. Winsway Coking Coal Holdings Ltd China   745. Wood Group Pressure Control, LP United States Texas 746. World Point Terminals Inc. Canada   747. WSP Holdings Limited (ADR) China   748. Xinjiang Zhundong Petroleum Tech Co Ltd China   749. Xtreme Coil Drilling Corp. Canada   750. YPFB Transporte SA Bolivia   751. YT Jereh Oilfield Services Group Co.,Ltd China   752. Yuzhtruboprovodstroy OAO Russia   753. Zapsibgazprom OAO (P) Russia   754. Zedi Inc. Canada   755. Zorin Exploration Ltd. Canada