401 | Proline Energy Resources Inc | Sugar Land, TX 77479 | Oil & Gas Operator | May 2024 |
402 | Pyramid Exploration | Houston, TX 77241 | Oil & Gas Operator | Sep 1995 |
403 | Quail Creek Oil Corporation | Houston, TX 77024 | Oil & Gas Operator | May 2024 |
404 | Quisto Energy Corp. | Kerrville, TX 78029 | Oil & Gas Operator | Jan 1998 |
405 | R & S Investments | Tulsa, OK 74146-4743 | Oil Operator | Aug 2013 |
406 | Radley Electric, Inc. | Sourlake, TX 77659 | Oil & Gas Operator | Oct 2001 |
407 | Radley, Terry R., Operator | Sourlake, TX 77659 | Oil & Gas Operator | Apr 2006 |
408 | Raptor Resources, Inc. | Austin, TX 78701 | Oil & Gas Operator | May 2024 |
409 | Ratts, Robert V. Inc. | Bedford, TX 76021 | Oil & Gas Operator | Aug 2003 |
410 | Redwood Operating, Inc. | Houston, TX 77058 | Oil & Gas Operator | May 2024 |
411 | Regal Petroleum Services | Euless, TX 76039 | Oil & Gas Operator | Aug 2002 |
412 | Remora Management, LLC | The Woodlands, TX 77382 | Oil & Gas Operator | May 2024 |
413 | Remora Operating, LLC | Houston, TX 77056 | Oil & Gas Operator | May 2024 |
414 | Reo Operating LLC | Austin, TX 78747 | Oil & Gas Operator | May 2024 |
415 | Resaca Resources, L.L.C. | Austin, TX 78746 | Oil & Gas Operator | May 2024 |
416 | Reserve Management, Inc. | Tyler, TX 75711 | Oil & Gas Operator | May 2024 |
417 | Richardson Operating Company | Denver, CO 80237 | Oil & Gas Operator | Feb 2024 |
418 | Riddle Engineering Corp. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Jul 2011 |
419 | Rim Operating, Inc. | Englewood, CO 80112 | Oil & Gas Operator | May 2024 |
420 | Rincon Petroleum Corporation | Corpus Chrsti, TX 78401 | Oil & Gas Operator | May 2024 |
421 | Rio O & P LLC | Pasadena, TX 77504 | Oil Operator | May 2024 |
422 | Rio Petroleum, Inc. | Amarillo, TX 79102 | Oil & Gas Operator | May 2024 |
423 | Riseden Services, Inc. | Houston, TX 77256 | Oil & Gas Operator | Sep 1997 |
424 | Rising Star Energy, L.L.C. | Dallas, TX 75219 | Oil & Gas Operator | Aug 2006 |
425 | Rockstar Resources, LLC | Sourlake, TX 77659 | Oil & Gas Operator | May 2024 |
426 | Rockwall Marketing Corporation | Benbrook, TX 76126 | Oil & Gas Operator | Dec 2007 |
427 | Rodeo Resources, L.L.C. | Houston, TX 77079 | Oil & Gas Operator | May 2024 |
428 | Rox Exploration Inc | Norman, OK 73069-6301 | Oil & Gas Operator | Feb 2024 |
429 | Royal Oil & Gas Corp. | Indiana, PA 15701 | Oil & Gas Operator | Apr 2014 |
430 | Royal Production Company, Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | May 2024 |
431 | Rutherford Oil Corporation | Houston, TX 77046 | Oil & Gas Operator | Jun 2019 |
432 | RWJ Operating LLC | Dallas, TX 75201 | Oil & Gas Operator | May 2024 |
433 | S & S Energy | Englewood, CO 80112 | Oil & Gas Operator | Mar 2015 |
434 | S & S Operating Company, Inc. | Winnie, TX 77665 | Oil & Gas Operator | May 2024 |
435 | S & V Operating | Zephyr, TX 76890 | Oil & Gas Operator | May 2024 |
436 | Sabco Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2011 |
437 | Sabinal Resources, Inc. | Kingwood, TX 77339 | Oil & Gas Operator | May 2024 |
438 | Samedan Oil Corporation | Houston, TX 77067 | Oil & Gas Operator | Dec 2019 |
439 | Samson Exploration LLC | Tulsa, OK 74101 | Oil & Gas Operator | Mar 2024 |
440 | Samson Hydrocarbons Company | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2016 |
441 | Samson Lone Star LP | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2007 |
442 | Samson Lone Star, LLC | Tulsa, OK 74103 | Oil & Gas Operator | May 2024 |
443 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2024 |
444 | Sanchez Oil & Gas Corporation | Houston, TX 77056 | Oil & Gas Operator | May 2024 |
445 | Sanchez-O'Brien Oil & Gas Corp | Houston, TX 77057 | Oil & Gas Operator | May 1998 |
446 | Saratoga Energy Corporation | Sourlake, TX 77659 | Oil & Gas Operator | Dec 2004 |
447 | Saratoga Oil Company | Batson, TX 77519 | Oil & Gas Operator | May 2024 |
448 | Saratoga Production Company LLC | Sourlake, TX 77659 | Oil Operator | May 2024 |
449 | Sarita Energy Resources, LTD. | Houston, TX 77277 | Oil & Gas Operator | May 2024 |
450 | Sawtooth, Inc. | Houston, TX 77024 | Oil & Gas Operator | Dec 2013 |
451 | Saxet Exploration Ent. Co., Inc. | Fulshear, TX 77441 | Oil Operator | May 2024 |
452 | Seabreeze Production Co | Hungerford, TX 77448 | Oil & Gas Operator | May 2024 |
453 | Seagull Energy E & P Inc | Houston, TX 77002 | Oil & Gas Operator | Jan 2015 |
454 | Seco Petroleum Corp | Houston, TX 77290 | Oil & Gas Operator | Jan 1997 |
455 | Sedona Oil & Gas Corporation | Austin, TX 78746 | Oil & Gas Operator | May 2024 |
456 | Setex Oil Company, L.P. | Houston, TX 77060 | Oil & Gas Operator | Jan 2000 |
457 | Shale Oil Co., Inc. | Liberty, TX 77575 | Oil & Gas Operator | May 2024 |
458 | Shell Trading Us Company | Houston, TX 77210 | Oil & Gas Operator | Jan 2024 |
459 | Shidler, Mark L., Inc. | Houston, TX 77055 | Oil & Gas Operator | May 2024 |
460 | Sigmon Construction Co., Inc. | Kilgore, TX 75663 | Oil & Gas Operator | May 2024 |
461 | Silverbrook Operating, LLC | Barker, TX 77413 | Oil & Gas Operator | May 2024 |
462 | Sisters Operating Company | Victoria, TX 77904 | Oil & Gas Operator | Nov 2010 |
463 | Sizemore, James | Hardin, TX 77561 | Oil & Gas Operator | Jun 2003 |
464 | Sklar Exploration Company LLC | Shreveport, LA 71101 | Oil & Gas Operator | May 2024 |
465 | Smith Petroleum Company | Spring, TX 77389 | Oil & Gas Operator | May 2024 |
466 | Smith Production Inc. | The Woodlands, TX 77381 | Oil & Gas Operator | May 2024 |
467 | Smith, L C Production | Jacksonville, TX 75766 | Oil Operator | May 2024 |
468 | Smith, L. C. | Jacksonville, TX 75766 | Oil & Gas Operator | May 2024 |
469 | SND Operating, L.L.C. | Kilgore, TX 75663 | Oil & Gas Operator | May 2024 |
470 | Solatex Resources, LTD | Houston, TX 77257 | Oil & Gas Operator | May 2024 |
471 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
472 | Sonat Exploration Co. - Houston | Houston, TX 77251 | Oil & Gas Operator | Dec 1999 |
473 | Sonora Petroleum Corp. | Austin, TX 78734 | Oil & Gas Operator | May 2024 |
474 | South Texas Operating Company | San Antonio, TX 78217 | Oil & Gas Operator | May 2024 |
475 | Southeastern Pipe Line Company | Tyler, TX 75711 | Oil & Gas Operator | Dec 2020 |
476 | Southern G Holdings, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2007 |
477 | Southland Royalty Company | Houston, TX 77210 | Oil & Gas Operator | Sep 2011 |
478 | Spi Operations LLC | Midland, TX 79710 | Oil & Gas Operator | Jan 2013 |
479 | Spicewood Operating Company, LLC | Austin, TX 78746 | Oil & Gas Operator | May 2024 |
480 | Spindletop Drilling Co. | Dallas, TX 75230 | Oil & Gas Operator | May 2024 |
481 | Spindletop Oil & Gas Co. | Dallas, TX 75230 | Oil & Gas Operator | May 2024 |
482 | Square Mile Energy, L.L.C. | Houston, TX 77057 | Oil & Gas Operator | May 2024 |
483 | SR Production Corp. | Liberty, TX 77575 | Oil & Gas Operator | Mar 2010 |
484 | St. Johns Operating #1 L.P. | Houston, TX 77060 | Oil & Gas Operator | Aug 2023 |
485 | Standard Resources Corp. | Houston, TX 77063 | Oil & Gas Operator | Sep 2002 |
486 | Stardust Leasing, Inc. | Richmond, TX 77469 | Oil & Gas Operator | Jul 1999 |
487 | Stone Mountain Petroleum, LLC | Houston, TX 77008 | Oil & Gas Operator | Aug 2002 |
488 | Stratco Operating Co Inc | Austin, TX 78701 | Oil & Gas Operator | May 2024 |
489 | Stratlynn, Inc. | Conroe, TX 77305 | Oil & Gas Operator | Mar 2008 |
490 | Stroud Production LLC | Shreveport, LA 71101 | Oil & Gas Operator | Feb 2024 |
491 | Sue-Ann Operating, L.C. | Victoria, TX 77903 | Oil & Gas Operator | May 2024 |
492 | Sue-Ann Production Company | Victoria, TX 77903 | Oil & Gas Operator | Mar 2008 |
493 | Summit Resources, Inc. | Houston, TX 77077 | Oil & Gas Operator | Sep 2016 |
494 | Sun Oil Company | Arlington, TX 76006 | Oil & Gas Operator | Dec 2021 |
495 | Sunburst, Inc. | Wheat Ridge, CO 80033 | Oil & Gas Operator | Feb 2024 |
496 | Susanna Corporation | Breckenridge, TX 76424 | Oil & Gas Operator | May 2024 |
497 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
498 | SWS | Humble, TX 77338 | Oil Operator | May 2024 |
499 | Synergy Oil & Gas, Inc. (A) | Houston, TX 77024 | Oil & Gas Operator | Aug 2001 |
500 | Tag Operating Company, Inc. | Houston, TX 77092 | Oil & Gas Operator | May 2024 |