401 | San Patricio Corporation | Dinero, TX 78350 | Oil & Gas Operator | Sep 2003 |
402 | Sanchez Oil & Gas Corporation | Houston, TX 77056 | Oil & Gas Operator | May 2024 |
403 | Sanchez-O'Brien Oil & Gas Corp | Houston, TX 77057 | Oil & Gas Operator | May 1998 |
404 | Sarrita Oil Co., Inc. | Floresville, TX 78114 | Oil & Gas Operator | Jul 2002 |
405 | Saxet Energy, LTD. | Houston, TX 77057 | Oil & Gas Operator | Mar 2004 |
406 | Scorpion Operating, Inc. | Benavides, TX 78341 | Oil Operator | May 2024 |
407 | Se USA Operating, Inc. | Houston, TX 77002 | Oil & Gas Operator | Dec 2009 |
408 | Senora Resources, Inc. | Dime Box, TX 77853 | Oil & Gas Operator | May 2024 |
409 | Shana Petroleum Company | Dallas, TX 75206 | Oil & Gas Operator | Sep 2002 |
410 | Shell Trading Us Company | Houston, TX 77210 | Oil & Gas Operator | Jan 2024 |
411 | Shell Western E&P | Houston, TX 77001 | Oil & Gas Operator | May 2024 |
412 | Shell Western E&P Inc. | Houston, TX 77001 | Oil & Gas Operator | May 2011 |
413 | Sheridan Production Company, LLC | Houston, TX 77056 | Oil & Gas Operator | Jan 2024 |
414 | Sierra Resources, LLC | Houston, TX 77219 | Oil & Gas Operator | Aug 2021 |
415 | Skrivanos Engineering, Inc. | Shreveport, LA 71164 | Oil & Gas Operator | Dec 2011 |
416 | Smith Operating And MGMT Co. | Shreveport, LA 71161 | Oil & Gas Operator | Jun 2023 |
417 | Smith Production Inc. | The Woodlands, TX 77381 | Oil & Gas Operator | May 2024 |
418 | South Central Texas Oil & Gas Co | Houston, TX 77060 | Oil & Gas Operator | May 2024 |
419 | South Texas Limited Partnership | Houston, TX 77060 | Oil & Gas Operator | Feb 1994 |
420 | Southern Mineral Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2001 |
421 | Southern Resource Company | Corpus Chrsti, TX 78404 | Oil & Gas Operator | Mar 2022 |
422 | Southern Tejas Asset Group LLC | McAllen, TX 78501 | Oil & Gas Operator | May 2024 |
423 | Southwest Land & Minerals, Inc. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Aug 2003 |
424 | Southwest Oil & Land, Inc. | Corpus Chrsti, TX 78460 | Oil & Gas Operator | Dec 1999 |
425 | Southwest Resources, Inc. | Brenham, TX 77834 | Oil & Gas Operator | May 2024 |
426 | Speller Oil Corporation | Oklahoma City, OK 73112 | Oil & Gas Operator | Jan 2024 |
427 | Spiller Operating Co., Inc. | Round Rock, TX 78665 | Oil & Gas Operator | May 2015 |
428 | Spiller, Robert S. | San Antonio, TX 78213 | Oil & Gas Operator | Oct 1995 |
429 | Star Of Texas Energy SRVS, Inc. | Austin, TX 78702 | Oil & Gas Operator | May 2024 |
430 | Starco Exploration, Inc. | Dallas, TX 75360 | Oil & Gas Operator | May 2024 |
431 | Starr Operating, LLC | San Antonio, TX 78209 | Oil & Gas Operator | May 2024 |
432 | Stephens Production Company | The Woodlands, TX 77381 | Oil & Gas Operator | Feb 2024 |
433 | Stone & Webster Oil Company, Inc | Houston, TX 77002 | Oil & Gas Operator | Dec 1995 |
434 | Stonegate Operators, Inc. | Addison, TX 75001 | Oil Operator | May 2024 |
435 | Strata Operating, Inc. | Corpus Chrsti, TX 78466 | Oil & Gas Operator | May 2024 |
436 | Stroube Energy Corporation | Dallas, TX 75248 | Oil & Gas Operator | Jan 2012 |
437 | Stroud Production LLC | Shreveport, LA 71101 | Oil & Gas Operator | Feb 2024 |
438 | Sue-Ann Production Company | Victoria, TX 77903 | Oil & Gas Operator | Mar 2008 |
439 | Suemaur Expl. & Prod., LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | May 2024 |
440 | Suemaur Exploration, Inc. | Corpus Chrsti, TX 78470 | Oil & Gas Operator | Mar 2008 |
441 | Sure Flow Oil & Gas Company | Victoria, TX 77902 | Oil & Gas Operator | Mar 2008 |
442 | Sure Flow Oil & Gas, Inc. | Victoria, TX 77902 | Oil & Gas Operator | May 2024 |
443 | Tag Operating Company, Inc. | Houston, TX 77092 | Oil & Gas Operator | May 2024 |
444 | Tam2 Squared Operating, LLC | Ranger, TX 76470 | Oil & Gas Operator | May 2024 |
445 | Tasca Exploration Company | Houston, TX 77257 | Oil & Gas Operator | Jun 2002 |
446 | Tejones Operating Corporation | San Antonio, TX 78217 | Oil & Gas Operator | May 2024 |
447 | Tepee Petroleum Company, Inc. | Houston, TX 77098 | Oil & Gas Operator | Feb 2014 |
448 | Tesoro E&P Company, L.P. | San Antonio, TX 78216 | Oil & Gas Operator | Jan 2000 |
449 | Texaco E & P Inc | Houston, TX 77099 | Oil & Gas Operator | May 2024 |
450 | Texas Fuel Company | Galveston, TX 77550 | Oil & Gas Operator | May 2024 |
451 | Texas Independent Explor LTD. | Houston, TX 77024 | Oil & Gas Operator | May 2024 |
452 | Texas Independent Explor., Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2002 |
453 | Texas Valley Oil & Gas, LLC | Hidalgo, TX 78557 | Oil Operator | May 2024 |
454 | Texas Western Energy Corporation | Portland, TX 78374 | Oil & Gas Operator | Nov 2002 |
455 | Tharp Operating Company | Houston, TX 77070 | Oil & Gas Operator | Nov 2014 |
456 | The Houston Exploration Company | Houston, TX 77002 | Oil & Gas Operator | Apr 2017 |
457 | Thorp Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Feb 2014 |
458 | Three C Exploration, LLC | Austin, TX 78746 | Oil & Gas Operator | May 2024 |
459 | Three-C Oil And Gas | Austin, TX 78746 | Oil & Gas Operator | May 2024 |
460 | Thresher Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | May 2024 |
461 | Tidelands Oil Corporation | Crystal City, TX 78839 | Oil & Gas Operator | Aug 2003 |
462 | Tiza Energy, Inc. | Austin, TX 78715 | Oil & Gas Operator | May 2024 |
463 | TNR Petroleum, Inc. | Austin, TX 78747 | Oil & Gas Operator | Sep 1999 |
464 | TNT Petroleum Company, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Feb 1996 |
465 | Total E&P USA, Inc. | Houston, TX 77210 | Oil & Gas Operator | Nov 2011 |
466 | Totalfinaelf E&P USA Inc | Houston, TX 77024 | Oil & Gas Operator | Jul 2007 |
467 | Touchstone Resources USA, Inc. | Houston, TX 77002 | Oil & Gas Operator | Oct 2006 |
468 | Trans-Pecos Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | May 2024 |
469 | Transpacific Energy, LLC | Katy, TX 77450 | Oil & Gas Operator | May 2024 |
470 | Transtexas Gas Corporation | Houston, TX 77265 | Oil & Gas Operator | Aug 2005 |
471 | Trap Rock Oil Company | Cambridge, MA 02138 | Oil & Gas Operator | Nov 2005 |
472 | Trap Rock Oil, LTD. | Houston, TX 77027 | Oil & Gas Operator | May 2024 |
473 | Trek Resources, Inc. | Dallas, TX 75207 | Oil & Gas Operator | May 2024 |
474 | Tri-C Resources, Inc. | Houston, TX 77024 | Oil & Gas Operator | Aug 2009 |
475 | Trinity River Energy Oper, LLC | Houston, TX 77008 | Oil & Gas Operator | May 2018 |
476 | True Oil Company | Casper, WY 82602 | Oil & Gas Operator | Aug 2003 |
477 | Txco Resources Inc. | San Antonio, TX 78280 | Oil & Gas Operator | May 2024 |
478 | U.S. Enercorp, LTD. | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2019 |
479 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
480 | Union Pacific Resources Co. | Fort Worth, TX 76101 | Oil & Gas Operator | Sep 2002 |
481 | United Oil & Minerals L. P. | Austin, TX 78746 | Oil & Gas Operator | Jun 2003 |
482 | United Resources LP | Austin, TX 78746 | Oil & Gas Operator | Oct 2011 |
483 | United Texas Petroleum Inc. | McKinney, TX 75070 | Oil & Gas Operator | May 2024 |
484 | Urban Oil & Gas Group, LLC | Plano, TX 75074 | Oil & Gas Operator | May 2024 |
485 | V/J Oil Company | Yancey, TX 78886 | Oil & Gas Operator | Oct 2015 |
486 | Valence Operating Company | Kingwood, TX 77339 | Oil & Gas Operator | May 2024 |
487 | Valley Petrochemicals, LLC | Pharr, TX 78577 | Oil Operator | May 2024 |
488 | Valor Energy, LLC | Dallas, TX 75205 | Oil & Gas Operator | May 2023 |
489 | Vantage Operating, LLC | San Antonio, TX 78217 | Oil & Gas Operator | May 2024 |
490 | Vastar Resources Inc | Houston, TX 77253 | Oil & Gas Operator | Jan 2024 |
491 | Viola Prod., Inc. | Dallas, TX 75251 | Oil & Gas Operator | May 2024 |
492 | Vision Oil And Gas LLC | Laredo, TX 78041 | Oil & Gas Operator | May 2024 |
493 | Wagner Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | May 2024 |
494 | Wagner, Duer & Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Jan 1999 |
495 | Wallis Energy, Inc. | Austin, TX 78746 | Oil & Gas Operator | May 2024 |
496 | Waters Eng. & Operating, Inc. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Sep 2013 |
497 | Wayne E. Glenn Associates, Inc. | Dickinson, TX 77539 | Oil & Gas Operator | Jan 2016 |
498 | Welder Exploration & Prod., Inc. | San Antonio, TX 78212 | Oil & Gas Operator | Dec 2022 |
499 | Western Global Oil, Inc | Deerfld Beach, FL 33442 | Oil Operator | May 2024 |
500 | Westport Oil & Gas Company LP | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2007 |