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Worldwide Directory

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. Abbot Group Plc UK   4. Ability Drilling ASA Norway   5. Acergy S.A. United Kingdom   6. Acergy S.A. (ADR) United Kingdom   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. Alam Maritim Resources Berhad Malaysia   21. Allis-Chalmers Energy Inc. United States Texas 22. Alnas OAO (P) Russia   23. AMBAR, Incorporated   United States Louisiana 24. American International Industries, Inc. United States Texas 25. Aminex plc Ireland   26. Anadime Corporation   Canada   27. Annica Holdings Limited Singapore   28. Anton Oilfield Services (Group) Ltd. China   29. Anzon Australia Limited Australia   30. APL Plc Norway   31. Aqua-Terra Supply Co. Limited Singapore   32. Arcis Corporation Canada   33. Arethusa (Off-Shore) Ltd.   Bermuda   34. ARMAX GAZ SA Romania   35. Arrow Seismic ASA Norway   36. Arsenal Energy Inc. Canada   37. Asian Oilfield Services Ltd India   38. Atwood Oceanics, Inc. United States Texas 39. AusGroup Limited Singapore   40. Australian Oil and Gas Corporation Ltd.   Australia   41. Avatar Petroleum Inc.   Canada   42. Badger Daylighting Inc. Canada   43. Badger Explorer ASA Norway   44. Baker Hughes Incorporated United States Texas 45. Baker Technology Limited Singapore   46. Baltic Oil Terminals plc United Kingdom   47. Basic Energy Services United States Texas 48. Basic Energy Services, Inc United States Texas 49. Bateman Litwin N.V. Netherlands   50. Bayard Drilling Technol. United States Oklahoma 51. Bearcat Explorations Ltd.   Canada   52. Belden & Blake Corp. (OLD) United States Ohio 53. Best Energy Services, Inc. United States Texas 54. Beta Well Service, Inc.   Canada   55. Big Cat Energy Corporation United States Wyoming 56. BJ Services Company United States Texas 57. Bjorge ASA Norway   58. Black Diamond Group Ltd. Canada   59. Black Fire Minerals Limited Australia   60. Blast Energy Services Inc United States Texas 61. Blue Ensign Technologies Ltd. Australia   62. Blueknight Energy Partners L.P. United States Oklahoma 63. Boart Longyear Ltd. Australia   64. Bolt Technology Corp. United States Connecticut 65. Bonray Drilling Corp.   United States Oklahoma 66. Boots & Coots, Inc. United States Texas 67. Bourbon SA France   68. Bouygues Offshore S.A. (ADR)   France   69. Bowridge Resource Group   Canada   70. Brand Energy, Inc. United States Georgia 71. Brandrill Limited Australia   72. Bri-Chem Corp. Canada   73. Brilund Limited   United States Georgia 74. Bristow Group Inc. United States Texas 75. Bronco Drilling Company, Inc. United States Oklahoma 76. Buckeye GP Holdings L.P. United States Texas 77. Buckeye Partners, L.P. United States Texas 78. Builders Energy Services Trust Canada   79. Burgan Co for Well Drilling KSCC Kuwait   80. BW Offshore Limited Norway   81. C-Tech Energy Services Inc. Canada   82. Cal Dive International, Inc. United States Texas 83. Calfrac Well Services Ltd. Canada   84. Calmena Energy Services Inc. Canada   85. Camco International, Inc. United States Texas 86. Cameron International Corporation United States Texas 87. Canadian Energy Services & Tech Corp Canada   88. Canadian Sub-Surface Energy Services Crp Canada   89. CanElson Drilling Inc. Canada   90. CanScot Resources Ltd.   Canada   91. Canyon Services Group Inc. Canada   92. Capital City Energy Group, Inc. United States Ohio 93. Capital Reserve Canada Ltd Canada   94. Caspian Services Inc. United States Utah 95. Cathedral Energy Services Income Trust Canada   96. CCR Technologies Ltd. Canada   97. CCS Income Trust Canada   98. CDM Resource Partners, L.P. United States Texas 99. CE Franklin Ltd. Canada   100. CE Franklin Ltd. (USA) Canada   101. Ceanic Corporation   United States Texas 102. Cecon ASA Norway   103. Central Alberta Well Services Corp. Canada   104. CGG Veritas France   105. CGG Veritas (ADR) France   106. CH Offshore Limited Singapore   107. Chiles Offshore Inc.   United States Texas 108. China Oilfield Services Limited China   109. China Oilfield Services Limited China   110. China Oilfield Technology Services Group Cayman Islands   111. Chinese People Holdings Company Limited China   112. Chuan Hup Holdings Limited Singapore   113. Cliffs Drilling Company   United States Texas 114. Clinton Gas Systems Inc.   United States Ohio 115. Clough Limited Australia   116. Collicutt Energy Services Ltd. Canada   117. Command Drilling Corp.   Canada   118. Compania Logistica de Hidrocarburos CLH Spain   119. Complete Production Services, Inc. United States Texas 120. Compressco Partners, L.P. United States Oklahoma 121. Computalog, Ltd.   Canada   122. Concentrated Capital Limited Australia   123. Concord Energy Inc. United States Texas 124. Concordia Maritime AB Sweden   125. CONDMAG SA Romania   126. CONPET SA Romania   127. Consafe Offshore AB Sweden   128. Contracting & Marine Services Co. Kuwait   129. Corac Group plc United Kingdom   130. Core Laboratories N.V. Netherlands   131. Coretrack Limited Australia   132. Crested Corp. United States Wyoming 133. Crossfire Energy Services Inc. Canada   134. Crude Carriers Corp. Greece   135. d'Amico International Shipping S.A. Luxembourg   136. DAFORA SA Romania   137. Dailey International, Inc United States Texas 138. Dawson Geophysical Company United States Texas 139. Dawson Production Serv. United States Texas 140. Daya Materials Berhad Malaysia   141. Dayang Enterprise Holdings Berhad Malaysia   142. Deep Down, Inc. United States Texas 143. Deep Industries Limited India   144. Deep Sea Supply Plc Cyprus   145. Delek Resources Inc United States Florida 146. Deleum Berhad Malaysia   147. Delta Seaboard International, Inc. United States Texas 148. Dialog Group Berhad Malaysia   149. Diamond Offshore Drilling, Inc. United States Texas 150. Dietswell SA France   151. Digger Resources Inc. Canada   152. Distribuidora de Gas Cuyana SA Argentina   153. Divestco Inc. Canada   154. DOAO Tsentrenergogaz OAO Gazprom Russia   155. DOF ASA Norway   156. DOF Subsea ASA Norway   157. Dolphin Offshore Enter. Ind Ltd (Parent) India   158. Dolphin Offshore Enterprises India Ltd. India   159. Dril-Quip, Inc. United States Texas 160. Drilex International Inc.   United States Texas 161. Drillers Technology Corp. Canada   162. Dual Drilling Company   United States Texas 163. Eagle Geophysical, Inc. United States   164. Eastern Drilling ASA Norway   165. Eastern Pacific Industrial Corp. Berhad Malaysia   166. Ecosphere Technologies, Inc. United States Florida 167. Eidesvik Offshore ASA Norway   168. ElectroMagnetic GeoServices ASA Norway   169. Elektrogaz OAO Gazprom DOAO (P) Russia   170. Emex Corporation United States Colorado 171. Enbridge Energy Management, L.L.C. United States Texas 172. Enbridge Energy Partners, L.P. United States Texas 173. Enbridge Inc. Canada   174. Enbridge Inc. (USA) Canada   175. Energtek Inc United States New York 176. Energy & Technology Corp United States Louisiana 177. Energy Services of America Corp. United States West Virginia 178. Engineers India Limited India   179. Engineers India Limited (Parent) India   180. EnQuest Energy Services Corp. Canada   181. Enric Energy Equipment Holdings Limited China   182. ENSCO PLC United States Texas 183. Enseco Energy Services Corp. Canada   184. Enserco Energy Service Co   Canada   185. Ensign Energy Services Inc. Canada   186. EnSource Energy Services   Canada   187. Enterprise Oilfield Group, Inc. Canada   188. Entrepose Contracting SA France   189. Environmental Energy Services, Inc. United States Idaho 190. EnviroXtract Inc United States Oklahoma 191. EOC Limited Singapore   192. ERC Industries, Inc. United States Texas 193. Escondoro Resources Ltd. Canada   194. Essar Shipp. Ports & Log. Ltd. (Parent) India   195. Essential Energy Services Ltd Canada   196. Eurasia Drilling Company Limited Cayman Islands   197. Eveready Inc Canada   198. Every Day Mine Services Limited Australia   199. Exploration Drilling International Germany   200. Exploration Resources ASA Norway   201. Expro International Group PLC United Kingdom   202. Exterran Holdings, Inc. United States Texas 203. Ezion Holdings Limited Singapore   204. Ezra Holdings Limited Singapore   205. Fairstar Heavy Transport N.V. Netherlands   206. Falcon Drilling Company United States Texas 207. Federal International (2000) Ltd. Singapore   208. First Seismic Corp.   United States Texas 209. Flint Energy Services Ltd. Canada   210. Flotek Industries, Inc. United States Texas 211. Flotek Industries, Inc. (OLD) United States Texas 212. FMC Technologies, Inc. United States Texas 213. Foraco International S.A. France   214. Forbes Energy Services Ltd. United States Texas 215. Forster Drilling Corporation United States Texas 216. Forum Oilfield Technologies, Inc. United States Texas 217. Franklin Supply Co. Ltd.   Canada   218. Fred. Olsen Energy ASA Norway   219. Friede Goldman Halter United States Mississippi 220. Frigstad Discoverer Invest LTD Virgin Islands   221. Frontier Drilling AS Norway   222. Frontier Energy Corp. United States Nevada 223. Ganger Rolf ASA Norway   224. Gazavtomatika OAO Russia   225. Gazavtomatika OAO (P) Russia   226. Gazenergoservis OAO (P) Russia   227. Gazprom promgaz OAO (P) Russia   228. Gazpromgeofizika OAO (P) Russia   229. Gazpromneft'-Noyabr'skneftegazg. OAO (P) Russia   230. Genoil Inc. Canada   231. Genoil Inc. (ADR) Canada   232. Geo Point Technologies Inc United States California 233. Geokinetics Inc. United States Texas 234. Georex S.A. France   235. Geospatial Holdings Inc United States Pennsylvania 236. GETECH Group Plc United Kingdom   237. GFI Oil & Gas Corporation United States Texas 238. Giprospetsgaz OAO (P) Russia   239. Giprovostokneft' OAO (P) Russia   240. Global Energy Services Ltd. Canada   241. Global Geophysical Services, Inc. United States Texas 242. Global Industries, Ltd. United States Louisiana 243. Global Mainframe Corp. Canada   244. Global Marine Energy plc UK   245. Global Marine Inc. United States Texas 246. Global Resource Corp. United States New Jersey 247. Global Rig Company ASA Norway   248. GlobalSantaFe Corporation United States Texas 249. GMC for Ind Comrl and Fincl Inv Egypt   250. Golden Triangle Ind.(OLD)   United States Florida 251. Grant Geophysical, Inc. United States Texas 252. Grant Prideco, Inc. United States Texas 253. Great Offshore Ltd. India   254. Grenland Group ASA Norway   255. Grey Wolf, Inc. United States Texas 256. GTB Invest ASA Norway   257. Guideline Technology AB Sweden   258. Gulf International Services QSC Qatar   259. Gulf Petroleum Investment Co KSCC Kuwait   260. Hai Leck Holdings Limited Singapore   261. Halliburton Company United States Texas 262. Hallin Marine Subsea International Plc United Kingdom   263. Hallwood Consol. Resource United States Colorado 264. Hardman Resources Limited Australia   265. Havila Ariel ASA Norway   266. Havila Shipping ASA Norway   267. Heatec JieTong Holdings Ltd Singapore   268. Helix Energy Solutions Group Inc. United States Texas 269. Helmerich & Payne, Inc. United States Oklahoma 270. Hengyang Petrochemical Logistics Ltd. Singapore   271. Hercules Offshore, Inc. United States Texas 272. Heurtey Petrochem SA France   273. Hiap Seng Engineering Ltd. Singapore   274. High Arctic Energy Services, Inc. Canada   275. HIP Energy Corp Canada   276. Holly Energy Partners, L.P. United States Texas 277. Honghua Group Ltd China   278. Horizon North Logistics Inc. Canada   279. Horizon Offshore, Inc. United States Texas 280. Hunting plc United Kingdom   281. Hydril Company United States Texas 282. Hyduke Energy Services Inc. Canada   283. Hyperdynamics Corporation United States Texas 284. I.N.O.C-Dead Sea Limited Partnership Israel   285. IHS Inc. United States Colorado 286. Impax Energy Services Income Trust Canada   287. Imperial Oil Limited Canada   288. Imperial Oil Limited (USA) Canada   289. Infinity Energy Resources Inc. United States Colorado 290. Infrastrata PLC United Kingdom   291. Innicor Subsurface Technologies Inc. Canada   292. Insight Management Corporation United States California 293. Integra Group Russia   294. Integrated Production Svc   Canada   295. ION Geophysical Corporation United States Texas 296. IRI International Corp. United States Texas 297. IROC Energy Services Corp. Canada   298. IWATANI CORPORATION Japan   299. Izhneftemash OAO (P) Russia   300. Izhorskiye zavody OAO (P) Russia   301. Jadranski Naftovod d.d. Croatia   302. Japan Drilling Co., Ltd. Japan   303. Jasper Investments Limited Singapore   304. Jindal Drilling Industries Ltd India   305. Jutal Offshore Oil Services Limited Cayman Islands   306. Kaneb Pipe Line Partners United States Texas 307. Kazakhstan Petrochemical Industries AO Kazakhstan   308. Kejuruteraan Samudra Timur Berhad Malaysia   309. Kelman Technologies Canada   310. Kencana Petroleum Berhad Malaysia   311. Kentz Corporation Limited Jersey   312. Key Energy Services, Inc. United States Texas 313. Khantymansiyskgeofizika OAO (P) Russia   314. Kinder Morgan Management, LLC United States Texas 315. Kinetex Resources Corp Canada   316. Kingdream Public Limited Company China   317. KNM Group Berhad Malaysia   318. Korea Technology Industry Co., Ltd. South Korea   319. Korporatsiya Ordabasy AO Kazakhstan   320. Krasnoyarskgeologiya OAO Russia   321. KTL Global Limited Singapore   322. KUB Malaysia Berhad Malaysia   323. Kuwait Pipes Industries & Oil Serv KSC Kuwait   324. Kuybyshevnefteorgsintez OAO (P) Russia   325. Kvaerner ASA Norway   326. Lamprell Plc Isle of Man   327. Laniuk Industries Inc. Canada   328. Lapidoth Israel Oil Prospectors Co Ltd Israel   329. Latex Resources, Inc.   United States Oklahoma 330. Leader Energy Services Ltd. Canada   331. Lenaneftegaz OAO   Russia   332. LianDi Clean Technology Inc United States Texas 333. Logan International Inc. Canada   334. LoneStar West Inc Canada   335. Lubricantes Paraguayos SAECA Paraguay   336. Lufkin Industries, Inc. United States Texas 337. Lyric International, Inc. United States Texas 338. M3nergy Berhad Malaysia   339. Macro Enterprises Inc. Canada   340. Madison Oil Company   United States Texas 341. Magellan Midstream Holdings, L.P. United States Oklahoma 342. Magellan Midstream Partners, L.P. United States Oklahoma 343. Magnus Energy Group Ltd. Singapore   344. Major Drilling Group Int'l Inc. Canada   345. Man Industries (India) Limited India   346. Marine Drilling Co., Inc.   United States Texas 347. Maritime Industrial Services Co. Ltd Inc United Arab Emirates   348. Matrix Composites & Engineering Limited Australia   349. McCoy Corporation Canada   350. McDermott International United States Texas 351. Medserv p.l.c. Malta   352. Melrose plc United Kingdom   353. Mermaid Maritime Public Company Limited Thailand   354. Miclyn Express Offshore Limited Singapore   355. Micron Enviro Systems, Inc. United States New York 356. Millennia, Inc. United States Texas 357. Mineral Resources Limited Australia   358. Mirach Energy Limited China   359. Mitcham Industries, Inc. United States Texas 360. Monitor Oil PLC United Kingdom   361. Mosteploset'energoremont OAO (P) Russia   362. Mostostal Gdansk SA   Poland   363. MPF Corp Ltd. Bermuda   364. MPK Aganneftegazgeologiya OAO (P) Russia   365. MTQ Corporation Limited Singapore   366. Mullen Group Income Fund Canada   367. Nabors Exchangeco (Canada) Inc. Bermuda   368. Nabors Industries Ltd. Bermuda   369. NATCO Group Inc. United States Texas 370. National Petroleum Services Company Kuwait   371. National-Oilwell Varco, Inc. United States Texas 372. Natural Gas Services Group, Inc. United States Texas 373. Neftegazspetsstroy OAO (P) Russia   374. Neftemash OAO (P) Russia   375. Nelson Resources Limited UK   376. Newpark Resources, Inc. United States Texas 377. NIPIgazpererabotka OAO (P) Russia   378. Noble Corporation Cayman Islands   379. NOR Offshore Ltd Singapore   380. North American Energy Partners Inc. Canada   381. North American Energy Partners Inc.(USA) Canada   382. Northern Offshore Ltd. United States Texas 383. Northstar Drilling System   Canada   384. Norton Drilling Services   United States Texas 385. Nowsco Well Service, Ltd.   Canada   386. NPO Promavtomatika OAO (P) Russia   387. NUMAR Corporation   United States Pennsylvania 388. NuStar Energy L.P. United States Texas 389. NuStar GP Holdings, LLC United States Texas 390. NV Nederlandse Gasunie Netherlands   391. NXT Energy Solutions Inc. Canada   392. Ocean Rig ASA Norway   393. Oceaneering International United States Texas 394. Oceanteam ASA Norway   395. Odfjell Invest Ltd Bermuda   396. Odim Hitec ASA Norway   397. Offshore Hydrocarbon Mapping Plc United Kingdom   398. Offshore Navigation   United States Louisiana 399. Offshore Oil Engineering Co., Ltd China   400. Offshore Tool & Energy Corporation United States Alabama 401. Oil Country Tubular Ltd India   402. Oil States International, Inc. United States Texas 403. OMNI Energy Services Corp. United States Louisiana 404. Opti Canada Inc. Canada   405. Orbit Garant Drilling Inc. Canada   406. Orgenergogaz DOAO (P) Russia   407. OSCA, Inc. United States Louisiana 408. OSX BRASIL SA Brazil   409. OZNA AK OAO (P) Russia   410. Pacific Energy Partners, L.P. United States California 411. Palko Environmental Ltd. Canada   412. Pantera Drilling Income Trust Canada   413. Parker Drilling Company United States Texas 414. Particle Drilling Technologies, Inc. United States Texas 415. Pason Systems Inc. Canada   416. Patterson Energy, Inc.   United States Texas 417. Patterson-UTI Energy, Inc. United States Texas 418. PBG SA Poland   419. Pe Ben Oilfield Services Ltd. Canada   420. Peak Energy Services Trust Canada   421. PearlStreet Limited Australia   422. Penn Virginia GP Holdings, L.P. United States Pennsylvania 423. Perisai Petroleum Teknologi Berhad Malaysia   424. Petra Energy Berhad Malaysia   425. Petra Perdana Berhad Malaysia   426. Petrel Resources PLC United Kingdom   427. PetroFina S.A. (ADR)   Belgium   428. Petrojack ASA Norway   429. PetroKazakhstan Inc. Canada   430. PetroKazakhstan Inc. (USA) Canada   431. Petroleum Geo-Services ASA Norway   432. Petroleum Geo-Services ASA (ADR) Norway   433. Petroleum Long Champ (Group) Co., Ltd. China   434. Petrolia Drilling ASA Norway   435. PetroMENA ASA Norway   436. PetroProd Ltd. Singapore   437. Petrovietnam Drilling & Well Services Vietnam   438. Petrovietnam General Services JSC Vietnam   439. PetroVietnam Invest Consult & Eng JSC Vietnam   440. Petrovietnam Technical Services Corp Vietnam   441. PHI Inc. United States Louisiana 442. Phoenix Oilfield Hauling Inc. Canada   443. Phoenix Technology Income Fund Canada   444. Pioneer Drilling Company United States Texas 445. Plains All American Pipeline, L.P. United States Texas 446. Plains GP Holdings, L.P United States Texas 447. Plexus Holdings PLC United Kingdom   448. Ponder Industries, Inc. United States Texas 449. Pool Energy Services Co. United States Texas 450. PowerSecure International, Inc. United States North Carolina 451. Precision Drilling Corporation Canada   452. Precision Drilling Corporation Canada   453. Pride International, Inc. United States Texas 454. Pride International, Inc.(OLD) United States Texas 455. Producers Oilfield Services Inc. Canada   456. Production Enhancement Group Inc. United States Texas 457. Production Operators Corp   United States Texas 458. Prosafe SE Cyprus   459. ProSep Inc. Canada   460. PT Citra Tubindo Tbk Indonesia   461. PT Indonesia Air Transport Tbk Indonesia   462. PT Mitra International Resources Tbk Indonesia   463. PT Perdana Karya Perkasa Tbk Indonesia   464. PT Radiant Utama Interinsco Tbk Indonesia   465. PT Ratu Prabu Energi Tbk Indonesia   466. Pulse Seismic Inc. Canada   467. Pure Energy Services Ltd. Canada   468. Qatar Gas Transport Company (NAKILAT) Qatar   469. QEP Resources, Inc. United States Utah 470. QuestAir Technologies Inc. Canada   471. R H Energy Limited Singapore   472. R&B Falcon Corp. United States Texas 473. Ramunia Holdings Berhad Malaysia   474. Ranchgate Energy Inc. Canada   475. Reading & Bates Corp.   United States Texas 476. Real Time Measurements Inc. Canada   477. Recon Technology, Ltd. China   478. Refinery Science Corp. United States Texas 479. Regency Energy Partners LP United States Texas 480. REM Offshore ASA Norway   481. Remedial (Cyprus) PCL Cyprus   482. Remora ASA Norway   483. Renaissance Services Oman   484. Reservoir Exploration Technology ASA Norway   485. Resilient Resources Ltd. Canada   486. Rheochem plc Australia   487. Rocky Mountain Energy Corp. Canada   488. Rompetrol Well Services SA Romania   489. Rosneft'-Tuapsenefteprodukt NK (P)   Russia   490. Rosneftegazstroy RAO OAO (P) Russia   491. Rowan Companies, Inc. United States Texas 492. Roxar ASA Norway   493. Roxi Petroleum plc United Kingdom   494. Royale Energy, Inc. United States California 495. RPC, Inc. United States Georgia 496. Running Fox Resource Corp. Canada   497. Ruzkhimmash OAO (P) Russia   498. Ryan Energy Technologies   Canada   499. SAAG Consolidated (M) Berhad Malaysia   500. Safat Energy Holding Co KSCC Kuwait   501. Saipem SpA Italy   502. Samaraneftegeofizika OAO (P) Russia   503. Santa Fe Pacific Pipeline   United States California 504. Sanyo Engineering & Construction Inc. Japan   505. Sapura Technology Berhad Malaysia   506. SapuraCrest Petroleum Berhad Malaysia   507. Saratovneftegeofizika OAO (P) Russia   508. Savanna Energy Services Corp. Canada   509. Saxon Energy Services Inc. Canada   510. SBI Offshore Limited Singapore   511. SBM Offshore N.V. Netherlands   512. Schlumberger Limited. United States Texas 513. Schoeller-Bleckmann Oilfield Equip. AG Austria   514. Scomi Group Berhad Malaysia   515. Scorpion Offshore Ltd Bermuda   516. SeaBird Exploration Plc Cyprus   517. SeaDrill Invest Ltd. Bermuda   518. SeaDrill Limited Bermuda   519. Seahawk Drilling, Inc. United States Texas 520. Seajacks International Ltd. Bermuda   521. SeaMetric International AS Norway   522. Seaway Energy Services Inc. Canada   523. Seawell Ltd Bermuda   524. Secunda International Limited Canada   525. Secure Energy Services Inc Canada   526. Seitel, Inc. United States Texas 527. SES Slovenske Energeticke Strojarne a.s. Slovakia   528. Set Point Group Limited South Africa   529. Sevan Marine ASA Norway   530. Seventh Energy Ltd. Canada   531. Severtruboprovodstroy OAO (P) Russia   532. SHANGHAI SK PETROLEUM China   533. Shannon International Inc. Canada   534. Sheridan Energy, Inc. United States Texas 535. Shinko Plantech Co., Ltd. Japan   536. Shiv Vani Oil & Gas Expl Service Ltd (P) India   537. Shiv Vani Oil & Gas Expl Services Ltd. India   538. Sibneftegeofizika OAO Russia   539. Sibtruboprovodstroy OAO (P) Russia   540. Siem Industries, Inc.   Bermuda   541. Siem Offshore Inc. Cayman Islands   542. Silver Star Energy, Inc. United States California 543. Sime Engineering Services Berhad Malaysia   544. SKY China Petroleum Services Ltd. Singapore   545. Slavneft-Megionneftegazgeologiya OAO (P) Russia   546. Smedvig ASA Norway   547. Smedvig ASA (ADR) Norway   548. Smith International, Inc. United States Texas 549. Solana Petroleum Corp.   Canada   550. Solstad Offshore ASA Norway   551. Sondex plc UK   552. South Shore Resources, Inc. Algeria   553. Sovereign Exploration Associates Int Inc United States Pennsylvania 554. Sovereign Oilfield Group Plc United Kingdom   555. Spearhead Resources Inc. Canada   556. Spectrum ASA Norway   557. Stallion Oilfield Services, Ltd. United States Texas 558. Star Energy Group plc UK   559. Ste Trans. Hydrocarbures par Pipelines Tunisia   560. Stewart & Stevenson LLC United States Texas 561. Subsea 7 Inc. Cayman Islands   562. Suelopetrol C.A., S.A.C.A. Venezuela   563. SulphCo, Inc. United States Texas 564. Sums'ke NVO im.M.V.Frunze VAT Ukraine   565. Sunoco Logistics Partners L.P. United States Pennsylvania 566. Superior Energy Services United States Louisiana 567. Superior Energy Services, Inc. United States Louisiana 568. Superior Offshore International, Inc. United States Texas 569. Superior Well Services, Inc. United States Pennsylvania 570. Swiber Holdings Limited Singapore   571. Swissco International Limited Singapore   572. T-3 Energy Services, Inc. United States Texas 573. Tanjung Offshore Berhad Malaysia   574. Tatneftegeofizika OAO (P) Russia   575. Technicoil Corporation Canada   576. Technics Oil & Gas Limited Singapore   577. Technip France   578. Technip (ADR) France   579. Tecnicas Reunidas SA Spain   580. Teekay Offshore Partners L.P. Bermuda   581. Teekay Petrojarl ASA Norway   582. Teho International Inc Ltd Singapore   583. Tempest Energy Corp. Canada   584. TEPPCO Partners, L.P. United States Texas 585. TEPPCO Partners, L.P. United States Texas 586. Terra Energy & Resource Tech., Inc. United States New York 587. Tesco Corporation United States Texas 588. Tesco Corporation (USA) United States Virginia 589. TETRA Technologies, Inc. United States Texas 590. TGS-NOPEC Geophysical Company ASA Norway   591. Thalassa Holdings Limited Virgin Islands, British   592. The Home-Stake Oil & Gas United States Oklahoma 593. The Western Co. of N.A.   United States Texas 594. Thule Drilling ASA Norway   595. Thunder Energy Trust Canada   596. Tidewater Inc. United States Louisiana 597. TMBR/Sharp Drilling, Inc. United States Texas 598. TODCO United States Texas 599. Tomskgazstroy OAO (P) Russia   600. Torch Offshore, Inc. United States Louisiana 601. Torm A/S Denmark   602. Tornado Technologies Inc Canada   603. TransCoastal Marine Srvc. United States Texas 604. TransMontaigne Partners L.P. United States Colorado 605. Transneft' AK OAO Russia   606. Transneft' AK OAO (P) Russia   607. Transnefteprodukt OAO (P) Russia   608. Transocean LTD Switzerland   609. Transocean, Inc. United States   610. Trican Well Service Ltd. Canada   611. Trinidad Drilling Ltd. Canada   612. TSM Tech Co., Ltd. South Korea   613. Tucker Drilling Company   United States Texas 614. Tyumenneftegeofizika OAO (P) Russia   615. U.S. Oil and Gas Resources Inc. Canada   616. Udmurtgeologiya OAO (P) Russia   617. Union Drilling, Inc. United States Texas 618. Union Drilling, Inc. United States Pennsylvania 619. Unit Corporation United States Oklahoma 620. Universal Seismic Assoc. United States Texas 621. Upet SA Romania   622. Uralmash-Izhora Group OMZ OAO Russia   623. Uralmash-Izhora Group OMZ OAO (P) Russia   624. Uraltekhnostroy-Tuymazykhimmash (P) Russia   625. Usinskgeoneft' OAO (P) Russia   626. UTI Energy Corp.   United States Texas 627. Uzma Berhad Malaysia   628. Uztel SA Romania   629. Vantage Drilling Company United States Texas 630. Varco Int'l, Inc. (OLD) United States California 631. Varco International, Inc. United States Texas 632. Ventspils Nafta AS Latvia   633. Venture Seismic Ltd.   Canada   634. Veritas DGC Inc. United States Texas 635. VGS Seismic Canada Inc. Canada   636. Viking Offshore And Marine Ltd Singapore   637. Viracocha Energy Inc. Canada   638. VNIPIgazdobycha OAO (P) Russia   639. Volgogradneftegeofizika OAO (P) Russia   640. Vostokgeologiya OAO (P) Russia   641. Vulcan SA Romania   642. W-H Energy Services, Inc. United States Texas 643. Wah Seong Corporation Berhad Malaysia   644. Warrior Energy Services Corporation United States Mississippi 645. Wavefield Inseis ASA Norway   646. WDS Limited Australia   647. Weatherford Enterra, Inc. United States Texas 648. Weatherford International (OLD) United States Texas 649. Weatherford International LTD. Switzerland   650. Wellco Energy Services Trust Canada   651. Wellstream Holdings PLC United Kingdom   652. Welton Energy Corporation Canada   653. Wenzel Downhole Tools Ltd. Canada   654. Wescorp Energy Inc. Canada   655. Western Atlas, Inc. United States Texas 656. Western Energy Services Corp. Canada   657. Western Lakota Energy Services Inc. Canada   658. Willbros Group, Inc. United States Texas 659. Wood Group (John) plc United Kingdom   660. World Point Terminals Inc. Canada   661. WSP Holdings Limited China   662. Xinjiang Zhundong Petroleum Tech Co Ltd China   663. Xtreme Coil Drilling Corp. Canada   664. Yantai Raffles Shipyard PTE Ltd. China   665. YT Jereh Oilfield Services Group Co.,Ltd China   666. Yuggazservis OAO (P) Russia   667. Zapsibgazprom OAO (P) Russia   668. Zedi Inc. Canada   669. Zorin Exploration Ltd. Canada