501 | Welhausen Operating Co., Inc. | Beeville, TX 78104 | Oil & Gas Operator | Aug 2003 |
502 | Welhausen Operating Company, LP | Beeville, TX 78104 | Oil & Gas Operator | Nov 2016 |
503 | Well Management Services Inc | | Oil & Gas Operator | Dec 2001 |
504 | Well Recycling Company | Olney, TX 76374 | Oil Operator | Aug 2005 |
505 | Well Renewal Inc | Tulsa, OK 74103-0091 | Oil Operator | Mar 2015 |
506 | Well Tech Oil And Gas, Inc. | Wichita, KS 67206 | Oil Operator | Sep 2020 |
507 | Well Water Management | | Oil & Gas Operator | Nov 2023 |
508 | Well-Co Solutions, LLC | Batson, TX 77519 | Oil Operator | Apr 2024 |
509 | Wellco Energy Inc | Oklahoma City, OK 73113-0130 | Oil & Gas Operator | Jan 2024 |
510 | Wellco Production LLC | | Oil & Gas Operator | Dec 2023 |
511 | Wellington Operating Company | | Oil & Gas Operator | Jan 2024 |
512 | Wellmaster Production Co LLC | | Oil & Gas Operator | Jul 2015 |
513 | Wells Allen W | Barnsdall, OK 74002-0997 | Oil & Gas Operator | Jan 2024 |
514 | Wells Edward K | Sapulpa, OK 74066-4243 | Oil & Gas Operator | Jun 2004 |
515 | Wells Energy Com | | Oil & Gas Operator | Mar 1994 |
516 | Wells Jimme D | Ponca City, OK 74604 | Oil Operator | Jan 2024 |
517 | Wells Oil, LLC | Gridley, KS 66852 | Oil Operator | Dec 2023 |
518 | Wells Oilfield Services, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
519 | Wells, Michael E. | Springville, NY 14141 | Gas Operator | Dec 2022 |
520 | Wells-Battelstei | | Oil & Gas Operator | Mar 1993 |
521 | Wellstar Corporation | Northglenn, CO 80233 | Oil & Gas Operator | Feb 2024 |
522 | Wellsville Oil C | | Oil Operator | Dec 1996 |
523 | Wellsville Oil Co | Wellsville, KS 66092 | Oil Operator | Sep 2000 |
524 | Wellwin Drilling Corporation | Wellington, KS 67152 | Oil & Gas Operator | Dec 2023 |
525 | Welsh Hills Oil & Gas Co | Newark, OH 43055 | Oil & Gas Operator | Dec 1999 |
526 | Wem Joint Venture | Gillette, WY 82716 | Oil & Gas Operator | Sep 2015 |
527 | Wema Natural Res, Inc | Sharon Grove, KY 42280 | Oil Operator | Dec 2021 |
528 | Wen-Be | Jourdanton, TX 78026 | Oil & Gas Operator | Apr 2024 |
529 | Wendy Oil Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2024 |
530 | Wenert Trich | | Oil & Gas Operator | Oct 1988 |
531 | Wenert Trich Oil | | Oil & Gas Operator | Jul 1990 |
532 | Wenexco, Inc. | Streetman, TX 75859 | Oil & Gas Operator | Apr 2024 |
533 | Wengerd, Noah A. | Sherman, NY 14781 | Gas Operator | Dec 2022 |
534 | Wenner Petroleum Corp | Englewood, CO 80111 | Oil & Gas Operator | Dec 1986 |
535 | Wentworth Energy, Inc. | Palestine, TX 75801 | Oil & Gas Operator | Jun 2009 |
536 | Wentworth Operating Company | Oklahoma City, OK 73162-1863 | Oil & Gas Operator | Feb 2024 |
537 | Werner Oil Farm | Warren, PA 16365-3608 | Oil & Gas Operator | Dec 2017 |
538 | Werner Oil, Inc. | Borger, TX 79008 | Oil & Gas Operator | Sep 1996 |
539 | Wernette, Louis J. | Hondo, TX 78861 | Oil & Gas Operator | Apr 2024 |
540 | Werth Exploration Trust | | Oil Operator | Dec 2013 |
541 | Wes Pro, Inc. | Jacksboro, TX 76458 | Oil Operator | Jan 2013 |
542 | Wes-Mor Drilling, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
543 | Wes-Mor Oil & Gas, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 1994 |
544 | Wes-Tex Drilling Company | Abilene, TX 79604 | Oil & Gas Operator | Jan 2000 |
545 | Wes-Tex Oil Co. (I) | Bangs, TX 76823 | Oil & Gas Operator | Apr 2024 |
546 | Wesco Operating, Inc. | Casper, WY 82602 | Oil & Gas Operator | Feb 2024 |
547 | Wesco Production LLC | | Oil & Gas Operator | Feb 2024 |
548 | Wescor LLC | Hartville, OH 44632 | Oil & Gas Operator | Dec 2023 |
549 | Wesgra Corporation | Mexican Hat, UT 84531 | Oil & Gas Operator | Jan 2024 |
550 | Wesla Oil & Gas Co., Inc. | | Oil & Gas Operator | Jun 2001 |
551 | Wespac Energy, LLC | San Antonio, TX 78217 | Oil & Gas Operator | Dec 2019 |
552 | Wessel Oil And Gas | Cushing, OK 74023-9580 | Oil & Gas Operator | Mar 2015 |
553 | Wessely Energy Company | Dallas, TX 75206 | Oil & Gas Operator | May 2001 |
554 | Wessely Energy Corporation | | Oil & Gas Operator | Feb 1989 |
555 | West 40 Production | Ness City, KS 67560 | Oil Operator | Apr 1998 |
556 | West American Energy Corporation | | Oil & Gas Operator | Dec 2023 |
557 | West Barrytown Services, LLC | Gilbertown, AL 36908 | Oil & Gas Operator | Mar 2020 |
558 | West Bay Exploration Company | Muenster, TX 76252 | Oil & Gas Operator | Feb 2024 |
559 | West Co., The | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 2016 |
560 | West Coast Oil Company | | Oil Operator | Dec 1996 |
561 | West Coast Operators Inc. | | Oil & Gas Operator | Nov 2023 |
562 | West Delta Oil Co. | | Oil & Gas Operator | Jul 2000 |
563 | West Energy Operating LLC | | Oil & Gas Operator | Dec 2023 |
564 | West Fox SWD LLC | | Oil Operator | Jan 2024 |
565 | West Gas Inc | | Oil & Gas Operator | Dec 2017 |
566 | West Hopkins Petroleum Co LP | | Oil & Gas Operator | Dec 2023 |
567 | West Inland Energy, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Apr 2024 |
568 | West Kansas Oil | | Oil Operator | Jul 1992 |
569 | West Kansas Oil Corporation | Oberlin, KS 67749 | Oil Operator | Aug 1998 |
570 | West Largo Corp | Tulsa, OK 74137 | Oil & Gas Operator | Sep 2023 |
571 | West Mountain Operating Co, Inc. | Longview, TX 75604 | Oil & Gas Operator | Feb 2019 |
572 | West Newport Oil Co. | | Oil & Gas Operator | Nov 2023 |
573 | West Oil Resources, LLC | Liberty Hill, TX 78642 | Oil & Gas Operator | Apr 2024 |
574 | West Operating Company | Seminole, OK 74868-3851 | Oil & Gas Operator | Mar 2015 |
575 | West Petroleum Corp. | San Antonio, TX 78205 | Oil & Gas Operator | Oct 2009 |
576 | West Plains Enterprises, Inc | Plains, KS 67869 | Oil & Gas Operator | Sep 2022 |
577 | West River Energy LLC | Portville, NY 14770 | Oil & Gas Operator | Dec 2022 |
578 | West Side Rentals | | Oil & Gas Operator | Nov 2023 |
579 | West Sunset Disposal, LLC | Amarillo, TX 79159 | Oil Operator | Oct 2003 |
580 | West Texas Diversified Interests | Eastland, TX 76448 | Oil & Gas Operator | Jun 2006 |
581 | West Texas Exploration Co. | Graham, TX 76450 | Oil & Gas Operator | May 1996 |
582 | West Texas Oil And Gas Corp. | Houston, TX 77056 | Oil & Gas Operator | Feb 2014 |
583 | West Texas Oil And Gas Oper.,Inc | Houston, TX 77046 | Oil & Gas Operator | Apr 2024 |
584 | West Texas Operating Co LLC D/B/A Xtreme Energy Co | Victoria, TX 77902-2326 | Oil & Gas Operator | Jan 2024 |
585 | West Texas Operating Company,LLC | Victoria, TX 77902 | Oil & Gas Operator | Mar 2023 |
586 | West Texas Royalties, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2024 |
587 | West Texas Syndicate LLC. | Corpus Chrsti, TX 78414 | Oil Operator | Apr 2024 |
588 | West Tuleta Operating Corp. | Tuleta, TX 78162 | Oil & Gas Operator | May 2019 |
589 | West VIrginia Land Resources, Inc. | | Oil & Gas Operator | Dec 2021 |
590 | West X, Inc. | Hays, KS 67601 | Oil Operator | Aug 1997 |
591 | West,Gordon T.Jr. & Rugeley,Stan | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2019 |
592 | West-States Energy, Inc. | Rimrock, AZ 86335 | Oil Operator | Apr 2024 |
593 | Westall Oil & Gas Co. | | Oil & Gas Operator | May 1982 |
594 | Westall-Mask | Roswell, NM 88201 | Oil & Gas Operator | Dec 1994 |
595 | Westamerica Corporation | Dewey, OK 74029-0040 | Oil & Gas Operator | Aug 1999 |
596 | Westar Energy, Inc. | Midland, TX 79705 | Oil & Gas Operator | Mar 2008 |
597 | Westar Oil & Minerals | | Oil Operator | Feb 1999 |
598 | Westbrook Oil & Gas Co. Inc. | Gainesville, TX 76240 | Oil & Gas Operator | Apr 2024 |
599 | Westbrook Oil Corp | Jal, NM 88252 | Oil & Gas Operator | May 2018 |
600 | Westburne Petroleum Inc | | Oil Operator | Jun 1990 |