401 | Santa Fe Snyder Corporation | Houston, TX 77024 | Oil & Gas Operator | Oct 2000 |
402 | Sapient Energy Corp | Oklahoma City, OK 73154 | Oil & Gas Operator | Jan 2002 |
403 | SDX Resources, Inc. | Midland, TX 79705 | Oil & Gas Operator | Apr 2024 |
404 | Sei Operating, LLC | Mandeville, LA 70471 | Oil & Gas Operator | Apr 2024 |
405 | Shell Frontier Oil & Gas Inc. | Houston, TX 77001 | Oil & Gas Operator | Feb 1997 |
406 | Shell Trading Us Company | Houston, TX 77210 | Oil & Gas Operator | Jan 2024 |
407 | Shell Western E&P Inc. | Houston, TX 77001 | Oil & Gas Operator | May 2011 |
408 | Shoshone Oil Company | Dallas, TX 75244 | Oil & Gas Operator | May 1994 |
409 | Siana Oil & Gas | Pearland, TX 77581 | Oil & Gas Operator | Apr 2024 |
410 | Simmons, L.B. Energy, Inc. | Midland, TX 79705 | Oil & Gas Operator | Nov 2000 |
411 | Simpson Oil Company | Odessa, TX 79760 | Oil & Gas Operator | Oct 2004 |
412 | Sixess Energy, LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
413 | Slape Oil Company, Inc. | Houston, TX 77064 | Oil & Gas Operator | Jun 2011 |
414 | Slate Holdings, Inc. | Mineral Wells, TX 76068 | Oil & Gas Operator | Apr 2024 |
415 | Sloan Petroleum Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |
416 | Smith & Marrs Inc. | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2021 |
417 | Smith Operating & Management Co. | Shreveport, LA 71161 | Oil & Gas Operator | Dec 2022 |
418 | Smith Operating And MGMT Co. | Shreveport, LA 71161 | Oil & Gas Operator | Jun 2023 |
419 | Smith Pipe Of Abilene | Abilene, TX 79608 | Oil & Gas Operator | Apr 2024 |
420 | Snow Oil & Gas Inc. | Andrews, TX 79714 | Oil & Gas Operator | Apr 2024 |
421 | Sojourner Drilling Corporation | Abilene, TX 79604 | Oil & Gas Operator | Apr 2024 |
422 | Southwest Royalties Inc | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |
423 | Southwestern Energy Prod Co | Houston, TX 77032 | Oil & Gas Operator | Jun 2015 |
424 | SSC, Inc. | Lubbock, TX 79408 | Oil & Gas Operator | Apr 2024 |
425 | St. Clair Energy Corporation | Tulsa, OK 74153 | Oil & Gas Operator | Mar 2008 |
426 | Staghorn Resources, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2015 |
427 | Stanolind Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2021 |
428 | Stanolind Permian LLC | Midland, TX 79705 | Oil & Gas Operator | Apr 2024 |
429 | Stephens & Johnson Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2024 |
430 | Stephens, Autry C. | Midland, TX 79701 | Oil & Gas Operator | Mar 2023 |
431 | Stevens & Tull, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 2000 |
432 | Steward Energy II, LLC | Frisco, TX 75034 | Oil & Gas Operator | Apr 2024 |
433 | Stratco Operating Co Inc | Austin, TX 78701 | Oil & Gas Operator | Apr 2024 |
434 | Stryker Energy LLC | Mayfield VIllag, OH 44143 | Oil & Gas Operator | Dec 2018 |
435 | Sulphur River Exploration, Inc. | Dallas, TX 75244 | Oil & Gas Operator | Apr 2024 |
436 | Sundown Energy LP | Dallas, TX 75248 | Oil & Gas Operator | Apr 2024 |
437 | Sunlight Exploration, Inc. | Canyon, TX 79015 | Oil & Gas Operator | Apr 2024 |
438 | Swift Energy Company | Houston, TX 77060 | Oil & Gas Operator | Mar 2021 |
439 | Synergex Inc | Oklahoma City, OK 73134 | Oil & Gas Operator | Jan 2024 |
440 | Tacor Resources Inc | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
441 | Tamarack Petroleum Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
442 | Tamer Oil & Gas | Seminole, TX 79360 | Oil & Gas Operator | Apr 2024 |
443 | Taurus Exploration U.S.A., Inc. | Midland, TX 79705 | Oil & Gas Operator | Nov 1998 |
444 | Texaco E & P Inc | Houston, TX 77099 | Oil & Gas Operator | Apr 2024 |
445 | Texakoma E & P, LLC | Plano, TX 75024 | Oil & Gas Operator | Apr 2024 |
446 | Texakoma Oil & Gas Corp | Dallas, TX 75240 | Oil & Gas Operator | Sep 2014 |
447 | Texakoma Operating, L.P. | Plano, TX 75024 | Oil & Gas Operator | Apr 2024 |
448 | Texland Petroleum Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2007 |
449 | Texland Petroleum, L.P. | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2024 |
450 | Texland-Rector & Schumacher | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2000 |
451 | Tgo Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Dec 2008 |
452 | TGX Corporation | Houston, TX 77002 | Oil & Gas Operator | Sep 2004 |
453 | Thompson, J. Cleo | Dallas, TX 75201 | Oil & Gas Operator | Apr 2024 |
454 | Thompson, Richard W. Inc. | Plano, TX 75024 | Oil & Gas Operator | Apr 2024 |
455 | Three Rivers Operating Co LLC | Austin, TX 78735 | Oil & Gas Operator | Mar 2017 |
456 | Threshold Development Company | Fort Worth, TX 76109 | Oil & Gas Operator | Aug 2016 |
457 | Tiburon Oil & Gas, Inc. | Midland, TX 79701 | Oil & Gas Operator | Aug 2000 |
458 | Tipperary Oil & Gas Corp | Denver, CO 80202 | Oil & Gas Operator | May 2014 |
459 | Titan Resources I, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jun 2000 |
460 | TMBR/Sharp Drilling, Inc. | Midland, TX 79703 | Oil & Gas Operator | Feb 2004 |
461 | Total E&P USA, Inc. | Houston, TX 77210 | Oil & Gas Operator | Nov 2011 |
462 | Totalfinaelf E&P USA Inc | Houston, TX 77024 | Oil & Gas Operator | Jul 2007 |
463 | Trace Operating, LLC | Fort Worth, TX 76116 | Oil & Gas Operator | Apr 2024 |
464 | Trans Oil Marketing LLC | Abilene, TX 79602 | Oil Operator | Aug 2023 |
465 | Trinity Bay Oil & Gas, Inc. | Lubbock, TX 79416 | Oil & Gas Operator | Apr 2024 |
466 | Trio Operating Company, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2006 |
467 | Triple "S" Resources Inc | Sapulpa, OK 74066 | Oil & Gas Operator | Jun 1995 |
468 | Txla Energy, Inc. | Houston, TX 77018 | Oil & Gas Operator | Apr 2024 |
469 | U. S. Operating, Inc. | Dallas, TX 75252 | Oil & Gas Operator | Apr 2024 |
470 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
471 | Union Pacific Resources Co. | Fort Worth, TX 76101 | Oil & Gas Operator | Sep 2002 |
472 | Union Royalty, Inc. | Midland, TX 79706 | Oil & Gas Operator | Jul 2014 |
473 | Union Seaboard Corporation | Houston, TX 77024 | Oil & Gas Operator | Mar 2008 |
474 | United Energy Trading LLC | Tulsa, OK 74133 | Gas Operator | Feb 2015 |
475 | Universal Resources Corp. | Salt Lake Cty, UT 84145 | Oil & Gas Operator | Jan 2000 |
476 | Uplands Resources Inc | Tulsa, OK 74103-4141 | Oil & Gas Operator | Jan 2024 |
477 | V-F Petroleum Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
478 | Valla Energy Corporation | Odessa, TX 79762 | Oil & Gas Operator | Aug 2003 |
479 | Van Oil Co Inc | Fort Worth, TX 76102 | Oil Operator | Dec 1997 |
480 | Vanguard Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Feb 2021 |
481 | Vanguard Permian LLC | Houston, TX 77057 | Oil & Gas Operator | Nov 2018 |
482 | Vanguard Production Company | Lubbock, TX 79410 | Oil & Gas Operator | Apr 2024 |
483 | Verdugo-Pablo Energy, LLC | Amarillo, TX 79105 | Oil & Gas Operator | Apr 2024 |
484 | Vision Minerals, LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
485 | Vista Resources, Inc. (A) | Midland, TX 79701 | Oil & Gas Operator | Feb 2000 |
486 | Vogel, A. J., Inc. | Midland, TX 79702 | Oil & Gas Operator | Aug 1994 |
487 | Voskamp Exploration, Inc. | Midland, TX 79708 | Oil & Gas Operator | Sep 2010 |
488 | Wacker Oil Inc | Houston, TX 77002 | Oil & Gas Operator | Aug 1996 |
489 | Walkabout Operating, LLC | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2024 |
490 | Walsh & Watts Inc | Aledo, TX 76008 | Oil & Gas Operator | Apr 2024 |
491 | Walsh Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2022 |
492 | Walter Oil & Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
493 | Warren American Oil Co | Tulsa, OK 74147 | Oil & Gas Operator | Feb 2024 |
494 | Warren American Oil Company LLC | Tulsa, OK 74147 | Oil & Gas Operator | Apr 2024 |
495 | Westland Oil Development Corp. | Conroe, TX 77305 | Oil & Gas Operator | Mar 2008 |
496 | Westport Oil & Gas Company LP | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2007 |
497 | Weststar Oil & Gas Inc | Edmond, OK 73013 | Oil & Gas Operator | Feb 2024 |
498 | White Rock Oil & Gas, LLC | Plano, TX 75024 | Oil & Gas Operator | Apr 2024 |
499 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
500 | Whiting Petroleum Corporation | Denver, CO 80290 | Oil & Gas Operator | Feb 2024 |