501 | Universal Drilling Co., Inc. | Denver, CO 80203 | Oil & Gas Operator | Sep 2003 |
502 | Us Oil & Gas Inc | Marietta, OH 45750 | Oil & Gas Operator | Feb 2024 |
503 | Vast Oil Inc | Fullerton, CA 92832 | Oil & Gas Operator | Mar 2024 |
504 | Vermilion Bay Land Co. | | Oil & Gas Operator | Dec 1994 |
505 | Vernon E. Faulconer, Inc. | Tyler, TX 75711 | Oil & Gas Operator | Dec 2023 |
506 | Victoria Land & Investment Co. | | Oil & Gas Operator | Jan 1985 |
507 | Vintage Petroleum, Inc. | Houston, TX 77046 | Oil & Gas Operator | Jan 2024 |
508 | Vonco Of Mississippi, Inc. | | Oil Operator | Mar 2024 |
509 | W B Powers Production Serv. | | Oil Operator | Feb 1991 |
510 | W. L. Estis | | Oil & Gas Operator | Dec 1999 |
511 | W. L. Puls & T. D. Rush | | Oil & Gas Operator | Dec 1980 |
512 | W. T. Waggoner Estate | | Oil & Gas Operator | Nov 1995 |
513 | Wagner & Brown | Midland, TX 79702 | Oil & Gas Operator | Aug 2014 |
514 | Wagner Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | May 2024 |
515 | Wainoco Oil & Gas Company | Houston, TX 77024 | Oil & Gas Operator | Dec 2005 |
516 | Walker La. Properties | | Oil & Gas Operator | Oct 1990 |
517 | Warwick Oil & Gas, Inc. | Houston, TX 77098 | Oil & Gas Operator | Feb 1993 |
518 | Westport Oil & Gas Company LP | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2007 |
519 | Westport Oil And Gas Company Inc | Denver, CO 80202 | Oil & Gas Operator | Feb 2002 |
520 | White Marlin Operating Company, LLC | Houston, TX 77002 | Oil & Gas Operator | May 2024 |
521 | White Oak Operating Company LLC | Houston, TX 77077 | Oil & Gas Operator | May 2024 |
522 | Whitton Company, Inc. | | Oil & Gas Operator | Jul 2020 |
523 | Windrush Operating Company | | Oil & Gas Operator | Jan 2009 |
524 | Wiser Oil Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2019 |
525 | Wle, Inc. | | Oil & Gas Operator | Feb 2012 |
526 | WM. H. Kenny Consultants, LTD. | | Oil & Gas Operator | Nov 1991 |
527 | Woodbine Petroleum, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Aug 2003 |
528 | Woolf & Magee, Inc. | | Oil & Gas Operator | Oct 1991 |
529 | XCL-Louisiana, Inc. | | Oil & Gas Operator | Aug 1993 |
530 | Xeric Oil & Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 2014 |
531 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | May 2024 |
532 | Yellow Rock, LLC | | Oil & Gas Operator | Dec 2023 |
533 | Yuma E & P Company, Inc. | Houston, TX 77027 | Oil & Gas Operator | May 2024 |
534 | Zachry Exploration, Inc. | San Antonio, TX 78205 | Oil & Gas Operator | May 2024 |
535 | Zachry Exploration, LLC | San Antonio, TX 78224 | Oil & Gas Operator | May 2024 |
536 | Zachry Exploration, LTD. | San Antonio, TX 78205 | Oil & Gas Operator | Jan 2009 |
537 | Zenergy Inc | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2024 |
538 | Zinke & Trumbo, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2007 |
539 | Zinn Petroleum Co. | Houston, TX 77024 | Oil & Gas Operator | Nov 2021 |