501 | Texas Meridian Res. Expl., Inc. | Houston, TX 77079 | Oil & Gas Operator | Jun 1998 |
502 | Texas Petroleum Investment Company | Houston, TX 77057 | Oil & Gas Operator | Apr 2024 |
503 | Texas Standard Oil Operating Co. | Midland, TX 79705 | Oil & Gas Operator | Oct 2019 |
504 | Texcal Energy (GP) LLC | Denver, CO 80202 | Oil & Gas Operator | Mar 2016 |
505 | Texican Crude & Hydrocarbons LLC | Houston, TX 77002 | Oil Operator | Sep 2023 |
506 | Tharp Operating Company | Houston, TX 77070 | Oil & Gas Operator | Nov 2014 |
507 | Thorp Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Feb 2014 |
508 | Timberwolf Energy, Inc. | Houston, TX 77042 | Oil & Gas Operator | Apr 2024 |
509 | Titan Allen Dome LLC | Houston, TX 77056 | Oil Operator | Feb 2015 |
510 | Titan Energy Operating LLC | Houston, TX 77056 | Oil Operator | Jan 2016 |
511 | TMR Exploration, Inc. | Bossier City, LA 71171 | Oil & Gas Operator | Apr 2024 |
512 | Torch Operating Company | Houston, TX 77010 | Oil & Gas Operator | Mar 2015 |
513 | Torrent Oil LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
514 | Transfuel Resources Co | Houston, TX 77215 | Oil & Gas Operator | Aug 2013 |
515 | Transtexas Gas Corporation | Houston, TX 77265 | Oil & Gas Operator | Aug 2005 |
516 | Tri-C Resources, Inc. | Houston, TX 77024 | Oil & Gas Operator | Aug 2009 |
517 | Tri-Union Development Corp. | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
518 | Triangle Development Co | Mahtomedi, MN 55115 | Gas Operator | Feb 1982 |
519 | Trinidad Resources, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Apr 2024 |
520 | Trinity Resources, Inc. | Houston, TX 77277 | Oil & Gas Operator | May 2020 |
521 | Trio Operating Company, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2006 |
522 | Triple J Investments Inc | Longview, TX 75606 | Oil & Gas Operator | Feb 2023 |
523 | Tristar Exploration, Inc | Pflugerville, TX 78660 | Oil & Gas Operator | Apr 2024 |
524 | Truth Resources LP | Conroe, TX 77304 | Oil Operator | Sep 2021 |
525 | Tucker Operating Co., Inc. | Victoria, TX 77903 | Oil & Gas Operator | Apr 2024 |
526 | TX Lone Star Operating Co, LLC | Sulphur SPGS, TX 75483 | Oil & Gas Operator | Apr 2024 |
527 | Txla Energy, Inc. | Houston, TX 77018 | Oil & Gas Operator | Apr 2024 |
528 | U.S. Exploration Company | Houston, TX 77002 | Oil & Gas Operator | Aug 2003 |
529 | Ultra Oil & Gas, Inc. | Centerton, AR 72719 | Oil & Gas Operator | Apr 2024 |
530 | Umc Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
531 | Union Oil Co Of California | Midland, TX 79706 | Oil & Gas Operator | Jan 2022 |
532 | Union Pacific Resources Co. | Fort Worth, TX 76101 | Oil & Gas Operator | Sep 2002 |
533 | Universal Petroleum Corporation | Houston, TX 77002 | Oil & Gas Operator | Sep 2002 |
534 | Valence Operating Company | Kingwood, TX 77339 | Oil & Gas Operator | Apr 2024 |
535 | Vandeveer Energy, LLC | Dallas, TX 75225 | Oil & Gas Operator | Jul 2016 |
536 | Ventex Operating Corp. | Addison, TX 75001 | Oil & Gas Operator | Apr 2024 |
537 | Ventum Oil And Gas, LP | Northbrook, IL 60062 | Oil & Gas Operator | Mar 2010 |
538 | Venus Oil Company | San Antonio, TX 78209 | Oil & Gas Operator | Dec 2002 |
539 | Viceroy Petroleum, LP | College Sta, TX 77845 | Oil & Gas Operator | Apr 2024 |
540 | Viesca Gas Co. | Spring, TX 77379 | Oil & Gas Operator | Apr 2024 |
541 | Vintage Petroleum, Inc. | Houston, TX 77046 | Oil & Gas Operator | Jan 2024 |
542 | Wacker Oil Inc | Houston, TX 77002 | Oil & Gas Operator | Aug 1996 |
543 | Wadi Petroleum Inc | Houston, TX 77014 | Oil & Gas Operator | May 2018 |
544 | Wagner & Brown, LTD. | Midland, TX 79702 | Oil & Gas Operator | Aug 2014 |
545 | Wagner Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2024 |
546 | Wagner, Duer & Co. | Fort Worth, TX 76102 | Oil & Gas Operator | Jan 1999 |
547 | Walter Oil & Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
548 | Warbonnet Exploration Company | Houston, TX 77056 | Oil & Gas Operator | Apr 2016 |
549 | Weber Energy Corporation | Dallas, TX 75219 | Oil & Gas Operator | Feb 2017 |
550 | Welder Exploration & Prod., Inc. | San Antonio, TX 78212 | Oil & Gas Operator | Dec 2022 |
551 | Wheeler Operating Corporation | Fort Worth, TX 76101 | Oil & Gas Operator | Apr 2024 |
552 | White Marlin Operating Company, LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
553 | White Oak Operating Company LLC | Houston, TX 77077 | Oil & Gas Operator | Apr 2024 |
554 | Whitehead Prod. Co., Inc. | Humble, TX 77338 | Oil & Gas Operator | Jan 2024 |
555 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
556 | Whiting Petroleum Corporation | Denver, CO 80290 | Oil & Gas Operator | Feb 2024 |
557 | Whitson, James A., Jr. | Houston, TX 77063 | Oil & Gas Operator | Nov 2011 |
558 | Wild Cat Operating Company | Victoria, TX 77903 | Oil & Gas Operator | Mar 2008 |
559 | Williams, Clayton Energy, Inc. | Houston, TX 77070 | Oil & Gas Operator | Apr 2024 |
560 | Williams, Clayton Energy, L.L.C | Midland, TX 79705 | Oil & Gas Operator | May 1993 |
561 | Williams, Clayton W., Jr., Inc. | Midland, TX 79705 | Oil & Gas Operator | Mar 2008 |
562 | Williams-Cody, Inc. | Houston, TX 77060 | Oil & Gas Operator | May 1994 |
563 | Wimco | Dallas, TX 75229 | Oil & Gas Operator | Jul 2008 |
564 | Wing Corporation | Houston, TX 77002 | Oil & Gas Operator | Jun 2000 |
565 | Winn Exploration Co., Inc. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2024 |
566 | Wiser Oil Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2019 |
567 | Wolverine Exploration Company | Houston, TX 77002 | Oil & Gas Operator | May 2019 |
568 | Woodard Energy Company | Houston, TX 77042 | Oil & Gas Operator | Mar 2010 |
569 | WRT Energy Corporation | Oklahoma City, OK 73118 | Oil & Gas Operator | May 1998 |
570 | Wynn-Crosby Operating, LTD. | Dallas, TX 75201 | Oil & Gas Operator | Apr 2024 |
571 | Xog Resources, LLC | Spring, TX 77379 | Oil & Gas Operator | Apr 2024 |
572 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Apr 2024 |
573 | Yordes Energy, LLC | El Campo, TX 77437 | Oil Operator | Apr 2024 |
574 | Yuma Petroleum Company | Houston, TX 77027 | Oil & Gas Operator | Aug 2002 |
575 | Zachry Exploration, Inc. | San Antonio, TX 78205 | Oil & Gas Operator | Apr 2024 |
576 | Zachry Exploration, LLC | San Antonio, TX 78224 | Oil & Gas Operator | Apr 2024 |
577 | Zachry Exploration, LTD. | San Antonio, TX 78205 | Oil & Gas Operator | Jan 2009 |
578 | Zenergy Inc | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2024 |
579 | Zinke & Trumbo, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2007 |
580 | Zinn Petroleum Co. | Houston, TX 77024 | Oil & Gas Operator | Nov 2021 |