401 | The Quintin Little Company Inc | Ardmore, OK 73401 | Oil & Gas Operator | Oct 2024 |
402 | Thunderbird Drilling, Inc. | Wichita, KS 67207 | Oil Operator | Oct 2008 |
403 | Tide West Oil Company | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2021 |
404 | Toklan Oil And Gas Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Oct 2024 |
405 | Trans Oil Marketing LLC | Abilene, TX 79608 | Oil Operator | Aug 2023 |
406 | Trans Terra Corp., International | Amarillo, TX 79159 | Oil & Gas Operator | Feb 2009 |
407 | Travelers Oil Company | Amarillo, TX 79102 | Oil & Gas Operator | Dec 2024 |
408 | Tri-Ex Petroleum, L.P. | Amarillo, TX 79101 | Oil & Gas Operator | Jan 2013 |
409 | Tritex Production Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Jan 2013 |
410 | Umc Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
411 | Unbridled Resources, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
412 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
413 | Unit Petroleum Company | Tulsa, OK 74170 | Oil & Gas Operator | Dec 2024 |
414 | United Energy Operating, LLC | Edmond, OK 73083 | Oil & Gas Operator | Dec 2024 |
415 | Universal Resources Corp. | Salt Lake Cty, UT 84145 | Oil & Gas Operator | Jan 2000 |
416 | Upland Resources LLC | Canadian, TX 79014 | Oil & Gas Operator | Dec 2024 |
417 | Upland Resources, Inc. | Canadian, TX 79014 | Oil & Gas Operator | Dec 2009 |
418 | Vaalco Energy (USA), Inc. | Houston, TX 77042 | Oil & Gas Operator | Dec 2016 |
419 | Valero Marketing & Supply Co | San Antonio, TX 78269-6000 | Oil & Gas Operator | Sep 2023 |
420 | Vanguard Operating, LLC | Houston, TX 77057 | Oil & Gas Operator | Feb 2021 |
421 | Vastar Resources Inc | Houston, TX 77253 | Oil & Gas Operator | Aug 2024 |
422 | Vega Energy Company | Nichols Hill, OK 73116 | Oil & Gas Operator | Sep 2015 |
423 | Vintage Petroleum, Inc. | Houston, TX 77046 | Oil & Gas Operator | Sep 2024 |
424 | Wagner & Brown, LTD. | Midland, TX 79702 | Oil & Gas Operator | Aug 2014 |
425 | Wainoco Oil & Gas Company | Houston, TX 77024 | Oil & Gas Operator | Dec 2005 |
426 | Wallace Oil & Gas Inc | Oklahoma City, OK 73156 | Oil & Gas Operator | Dec 2024 |
427 | Washita Oil And Gas, L.L.C. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2015 |
428 | Westland Oil Development Corp. | Conroe, TX 77305 | Oil & Gas Operator | Mar 2008 |
429 | Wheeler Midstream LLC | Houston, TX 77002 | Oil & Gas Operator | May 2018 |
430 | White River Energy LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Nov 2010 |
431 | Wilbanks Exploration, Inc. | Denver, CO 80202 | Oil & Gas Operator | May 2002 |
432 | Wilco Properties, Inc. | Dallas, TX 75205 | Oil & Gas Operator | Jan 2004 |
433 | Wildhorse Oil & Gas Corporation | Ardmore, OK 73402 | Oil & Gas Operator | May 2019 |
434 | Wildhorse Operating Company | Ardmore, OK 73402 | Oil & Gas Operator | Dec 2024 |
435 | Williams Production RMT Company | Denver, CO 80202 | Oil & Gas Operator | Oct 2010 |
436 | Wilson Energy LLC | Marietta, OH 45750 | Oil & Gas Operator | Dec 2023 |
437 | Winright Resources Operating,LLC | Houston, TX 77007 | Oil & Gas Operator | Dec 2024 |
438 | Wiser Oil Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2019 |
439 | Wolf Creek Exploration Company | Amarillo, TX 79159 | Oil & Gas Operator | Aug 2000 |
440 | Wright Trucking, Inc. | Weatherford, OK 73096 | Oil & Gas Operator | Feb 2019 |
441 | Wynn-Crosby Energy, Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2005 |
442 | Xeric Oil & Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 2014 |
443 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Dec 2024 |
444 | Zephyr Lone Star Oper Co.,L.L.C. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2024 |