401 | Petrocorp Incorporated,A TX.Corp | Tulsa, OK 74170 | Oil & Gas Operator | Apr 2005 |
402 | Petrohawk Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2021 |
403 | Petroleum Management, Inc. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Apr 2024 |
404 | Pintex Operating Inc. | Corpus Chrsti, TX 78478 | Oil & Gas Operator | Feb 2005 |
405 | Pioneer Natural Res. USA, Inc. | Irving, TX 75038 | Oil & Gas Operator | Apr 2024 |
406 | Pipeline Management, Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Dec 2002 |
407 | Placer Oil Co. | Sugar Land, TX 77479 | Oil & Gas Operator | Apr 2008 |
408 | Plains Marketing LP | Cushing, OK 74023 | Oil & Gas Operator | Dec 2022 |
409 | Pmi Energy Co. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Aug 2002 |
410 | Poco LLC | Houston, TX 77270 | Oil & Gas Operator | Apr 2024 |
411 | Prime Operating Company | Houston, TX 77024 | Oil & Gas Operator | Apr 2024 |
412 | Progas Properties, Inc. | New Braunfels, TX 78132 | Oil & Gas Operator | Apr 2024 |
413 | Proline Energy Resources Inc | Sugar Land, TX 77479 | Oil & Gas Operator | Apr 2024 |
414 | Proton Energy, L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Jun 2005 |
415 | Quisto Expl. & Production, L.C. | Sugar Land, TX 77478 | Oil & Gas Operator | Aug 1998 |
416 | Ramsower Minerals Corporation | Beeville, TX 78104 | Oil & Gas Operator | Sep 2013 |
417 | Ramtex Energy LLC | Tulsa, OK 74152 | Oil & Gas Operator | Apr 2024 |
418 | Rec Well Service, Inc. | Pleasanton, TX 78064 | Oil & Gas Operator | Jul 2008 |
419 | Reddy Disposals, LLC | Beeville, TX 78104 | Oil Operator | Apr 2024 |
420 | Redhorn Resources, LLC | Spring, TX 77393 | Oil Operator | Apr 2024 |
421 | Regent Oil & Gas Company, L.P. | Dallas, TX 75225 | Oil & Gas Operator | Sep 2006 |
422 | Rego Development Company, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2002 |
423 | Reh Energy, Inc. | Corpus Chrsti, TX 78413 | Oil & Gas Operator | Apr 2024 |
424 | Remora Operating, LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2024 |
425 | Reo Operating LLC | Austin, TX 78747 | Oil & Gas Operator | Apr 2024 |
426 | Repsol Oil & Gas USA, LLC | The Woodlands, TX 77381 | Oil & Gas Operator | Apr 2024 |
427 | Republic Resources, LLC. | San Antonio, TX 78212 | Oil & Gas Operator | Apr 2024 |
428 | Richter Operating Company | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2007 |
429 | Riddle Engineering Corp. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Jul 2011 |
430 | Riley Exploration, LLC | Blanchard, OK 73010 | Oil & Gas Operator | Apr 2024 |
431 | Rincon Petroleum Corporation | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2024 |
432 | Rio Bravo Expl. & Prod. Co. | Houston, TX 77055 | Oil & Gas Operator | Apr 2020 |
433 | Rio Bravo Oil Company | The Woodlands, TX 77381 | Oil & Gas Operator | Feb 2002 |
434 | Rio-Tex, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Apr 2024 |
435 | Rock Resources, Inc. | Corpus Chrsti, TX 78414 | Oil & Gas Operator | Apr 2024 |
436 | Rodessa Operating Company | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Apr 2024 |
437 | Royal Oil & Gas Corp. | Indiana, PA 15701 | Oil & Gas Operator | Apr 2014 |
438 | Royal Production Company, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2024 |
439 | RR Ventures Limited Partnership | San Antonio, TX 78239 | Oil & Gas Operator | Apr 2024 |
440 | Ruwco Oil And Gas Corp. | Austin, TX 78701 | Oil & Gas Operator | Aug 2021 |
441 | S & C Construction, Inc. | Whitefish, MT 59937 | Oil & Gas Operator | Apr 2024 |
442 | S & J Operating Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2015 |
443 | Salida Exploration, LLC | Abilene, TX 79603 | Oil & Gas Operator | Apr 2024 |
444 | Samedan Oil Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2019 |
445 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2024 |
446 | San Isidro Development Co, L. C. | Sandia, TX 78383 | Oil & Gas Operator | Apr 2024 |
447 | San Patricio Corporation | Dinero, TX 78350 | Oil & Gas Operator | Sep 2003 |
448 | Sanchez Oil & Gas Corporation | Houston, TX 77056 | Oil & Gas Operator | Apr 2024 |
449 | Santa Fe Energy Oper. Part., LP | Houston, TX 77057 | Oil & Gas Operator | Dec 1994 |
450 | Santa Rosa Operating, LLC | Corpus Chrsti, TX 78412 | Oil & Gas Operator | Apr 2024 |
451 | Saxum Oil & Gas, LLC | Beeville, TX 78104 | Oil & Gas Operator | Apr 2024 |
452 | Scully Energy Corporation | Salado, TX 76571 | Oil & Gas Operator | Mar 2012 |
453 | Sedona Oil & Gas Corporation | Austin, TX 78746 | Oil & Gas Operator | Apr 2024 |
454 | Seguro Well Service, Inc. | Gonzales, TX 78629 | Oil & Gas Operator | Apr 2024 |
455 | Shale Hunter, LLC | Irving, TX 75039 | Oil & Gas Operator | Jan 2016 |
456 | Sharon Hunter Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Sep 2012 |
457 | Sharon Resources, Inc. | Houston, TX 77056 | Oil & Gas Operator | Aug 2010 |
458 | Shell Western E&P Inc. | Houston, TX 77001 | Oil & Gas Operator | May 2011 |
459 | Shidler, Mark L., Inc. | Houston, TX 77055 | Oil & Gas Operator | Apr 2024 |
460 | Shoreham Oil & Gas Company, Inc. | Katy, TX 77492 | Oil & Gas Operator | Apr 2024 |
461 | Siegfried R H Inc | Tulsa, OK 74104 | Oil & Gas Operator | Mar 2008 |
462 | Silver Pines Energy Corp. | Houston, TX 77005 | Oil & Gas Operator | Feb 2024 |
463 | Smith Production Inc. | The Woodlands, TX 77381 | Oil & Gas Operator | Apr 2024 |
464 | Sonat Exploration Co. - Houston | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
465 | South Texas Injection Company | Mineral, TX 78125 | Oil & Gas Operator | Dec 2016 |
466 | Southern Mineral Corporation | Houston, TX 77002 | Oil & Gas Operator | Oct 2001 |
467 | Southern Resource Company | Corpus Chrsti, TX 78404 | Oil & Gas Operator | Mar 2022 |
468 | Southern Royalty Inc. | Corpus Chrsti, TX 78411 | Oil & Gas Operator | Feb 1997 |
469 | Southern Union Exploration Co. | Austin, TX 78701 | Oil & Gas Operator | Feb 2002 |
470 | Southwest Land & Minerals, Inc. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Aug 2003 |
471 | Spiller Operating Co., Inc. | Round Rock, TX 78665 | Oil & Gas Operator | May 2015 |
472 | Spindletop Drilling Co. | Dallas, TX 75230 | Oil & Gas Operator | Apr 2024 |
473 | Spindletop Oil & Gas Co. | Dallas, TX 75230 | Oil & Gas Operator | Apr 2024 |
474 | SRS Properties, LLC | Whitehouse, TX 75791 | Oil & Gas Operator | Apr 2024 |
475 | SSC, Inc. | Lubbock, TX 79408 | Oil & Gas Operator | Apr 2024 |
476 | Stallion Oil Company | Lafayette, LA 70505 | Oil & Gas Operator | Jun 2004 |
477 | Staples, James W. | Tuleta, TX 78162 | Oil & Gas Operator | Sep 2014 |
478 | Staples, James W. Prod. Co. | Tuleta, TX 78162 | Oil & Gas Operator | Apr 2024 |
479 | Staples, Tommy Oil Co. | Pettus, TX 78146 | Oil & Gas Operator | Mar 2008 |
480 | Starco Exploration, Inc. | Dallas, TX 75360 | Oil & Gas Operator | Apr 2024 |
481 | Stark Petroleum | Tuleta, TX 78162 | Oil & Gas Operator | Apr 2024 |
482 | Statoil Texas Onshore Prop LLC | Austin, TX 78730 | Oil & Gas Operator | Dec 2018 |
483 | Stephens & Johnson Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2024 |
484 | Strand Energy, L.C. | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
485 | Stratco Operating Co Inc | Austin, TX 78701 | Oil & Gas Operator | Apr 2024 |
486 | Sue-Ann Operating, L.C. | Victoria, TX 77903 | Oil & Gas Operator | Apr 2024 |
487 | Sue-Ann Production Company | Victoria, TX 77903 | Oil & Gas Operator | Mar 2008 |
488 | Suemaur Exploration, Inc. | Corpus Chrsti, TX 78470 | Oil & Gas Operator | Mar 2008 |
489 | Sun Exploration, Inc. | Alice, TX 78332 | Oil & Gas Operator | Apr 2024 |
490 | SV Energy Company, LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Mar 2017 |
491 | SW Operating, Inc. | Kilgore, TX 75662 | Oil & Gas Operator | Sep 2000 |
492 | Sydson Energy, Inc. | Houston, TX 77027 | Oil & Gas Operator | Apr 2024 |
493 | Syj Oil & Gas, Inc. | San Antonio, TX 78209 | Oil & Gas Operator | Apr 2024 |
494 | T - C Oil Company | Refugio, TX 78377 | Oil & Gas Operator | Jan 2012 |
495 | T-C Oil Company, LLC | Refugio, TX 78377 | Oil & Gas Operator | Apr 2024 |
496 | T.D. Operating Company, Inc. | New Braunfels, TX 78130 | Oil & Gas Operator | Nov 1999 |
497 | Talisman Energy USA Inc. | The Woodlands, TX 77381 | Oil & Gas Operator | May 2016 |
498 | Talon Development Company | Boerne, TX 78006 | Oil & Gas Operator | Sep 2007 |
499 | Tare Resources, LLC | Corpus Chrsti, TX 78426 | Oil & Gas Operator | Apr 2024 |
500 | Tasca Exploration Company | Houston, TX 77257 | Oil & Gas Operator | Jun 2002 |