| 33601 | Wynne Petroleum Co. | Fort Worth, TX 76116 | Oil & Gas Operator | Nov 1997 |
| 33602 | Wyoil Corp | Buffalo, WY 82834 | Oil Operator | Aug 2025 |
| 33603 | Wyoming Diamond A LLC | Cheyenne, WY 82007 | Gas Operator | Feb 2026 |
| 33604 | Wyoming Mineral Exploration LLC | Casper, WY 82602 | Oil Operator | Dec 2006 |
| 33605 | Wyoming Oil & Minerals Inc | Casper, WY 82601 | Oil & Gas Operator | Jun 2001 |
| 33606 | Wyoming Resources Corporation | Rapid City, SD 57702 | Oil & Gas Operator | Oct 2018 |
| 33607 | Wyoming Western Oil | Pine Bluffs, WY 82082 | Oil Operator | Sep 2019 |
| 33608 | Wytex Production Corporation | Fort Smith, AR 72903 | Oil & Gas Operator | Nov 2025 |
| 33609 | X Field Gas LLC | | Gas Operator | Jun 2020 |
| 33610 | X Stateman Services | Killbuck, OH 44637 | Oil & Gas Operator | Dec 2024 |
| 33611 | X-Bar LMT Partnership | | Oil & Gas Operator | May 2013 |
| 33612 | X-Bar Resources Inc | Holdenville, OK 74848 | Oil & Gas Operator | Jul 2013 |
| 33613 | X-L Energy Company | El Paso, TX 79902 | Oil & Gas Operator | Feb 2026 |
| 33614 | X72 Operating Corp. | Plano, TX 75025 | Oil & Gas Operator | Feb 2026 |
| 33615 | Xae Corporation | Norman, OK 73072 | Oil & Gas Operator | Apr 2021 |
| 33616 | Xanadu Exploration Company | Broken Arrow, OK 74014 | Oil & Gas Operator | Dec 2025 |
| 33617 | XCL Assetco, LLC | Houston, TX 77007 | Oil & Gas Operator | Nov 2025 |
| 33618 | XCL-Louisiana, Inc. | | Oil & Gas Operator | Aug 1993 |
| 33619 | XCL-Texas, Inc. | Lafayette, LA 70503 | Oil & Gas Operator | Nov 2000 |
| 33620 | Xenex Incorporat | | Oil Operator | Mar 1991 |
| 33621 | Xenia Corporation, The | Garnett, KS 66032 | Oil Operator | Jan 2001 |
| 33622 | Xeno, Inc | Calgary, AB T2P 2S5 | Gas Operator | Dec 2001 |
| 33623 | Xenon Energy, Inc. | Plano, TX 75074 | Oil & Gas Operator | Aug 2003 |
| 33624 | Xeric Oil & Gas Company | Midland, TX 79702 | Oil & Gas Operator | Jul 1997 |
| 33625 | Xeric Oil & Gas Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 2014 |
| 33626 | Xet, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Aug 2017 |
| 33627 | Xhorizons Energy LLC | Houston, TX 77079 | Oil Operator | Feb 2026 |
| 33628 | Xmco Inc | | Oil & Gas Operator | Sep 1986 |
| 33629 | Xog Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 33630 | Xog Resources, LLC | Spring, TX 77379 | Oil & Gas Operator | Feb 2026 |
| 33631 | Xoil Inc | Aurora, CO 80016 | Oil & Gas Operator | Jul 2023 |
| 33632 | Xophi Energy, LLC | Arlington, TX 76006 | Oil & Gas Operator | Feb 2026 |
| 33633 | Xplor Corporation | | Oil & Gas Operator | Dec 2013 |
| 33634 | Xplor Energy Operating Co. | Houston, TX 77079 | Oil & Gas Operator | Jan 2012 |
| 33635 | Xplore Operating, LLC | Arlington, TX 76001 | Oil & Gas Operator | Feb 2026 |
| 33636 | XPR Resources LLC | Canonsburg, PA 15317-5862 | Gas Operator | Dec 2025 |
| 33637 | XPR Wyoming LLC | | Oil & Gas Operator | Dec 2025 |
| 33638 | Xstar Resources LLC | Jacksboro, TX 76458 | Oil & Gas Operator | Feb 2026 |
| 33639 | Xta Resources LLC | Uvalde, TX 78801 | Oil & Gas Operator | Feb 2026 |
| 33640 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Feb 2026 |
| 33641 | XTO Offshore Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2010 |
| 33642 | XTO Permian Operating LLC. | Midland, TX 79705 | Oil & Gas Operator | Dec 2025 |
| 33643 | Xtra Energy Corporation | | Oil & Gas Operator | Jun 1989 |
| 33644 | Xtra Energy, LLC | Fort Worth, TX 76161 | Oil & Gas Operator | Feb 2026 |
| 33645 | Xtreme Operating Company LLC | Flower Mound, TX 75022 | Oil Operator | Feb 2026 |
| 33646 | XTX Inc. | | Gas Operator | Dec 2003 |
| 33647 | Xutapa Properties LLC | | Oil & Gas Operator | Nov 2025 |
| 33648 | Xyz Oil, Inc. | Muenster, TX 76252 | Oil & Gas Operator | Feb 2026 |
| 33649 | Y D F Inc | Oklahoma City, OK 73128 | Oil & Gas Operator | Jan 2026 |
| 33650 | Y Oil Company Inc. | Cameron, TX 76520 | Oil & Gas Operator | Feb 2026 |
| 33651 | Yager Company | Hutchinson, KS 67502 | Oil & Gas Operator | Dec 2000 |
| 33652 | Yahn & Yahn, Inc. | Hammondsport, NY 14840 | Oil & Gas Operator | Dec 2024 |
| 33653 | Yale Oil Association | Oklahoma City, OK 73105 | Gas Operator | Oct 2013 |
| 33654 | Yale Oil Association, Inc. | Oklahoma City, OK 73105 | Oil & Gas Operator | Dec 2025 |
| 33655 | Yanahosa, Inc. | Kountze, TX 77625 | Oil Operator | Feb 2026 |
| 33656 | Yarberry Oil Company | Wichita Falls, TX 76308-5120 | Oil & Gas Operator | Apr 2015 |
| 33657 | Yarberry Operating, LLC | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 33658 | Yarberry, E. E. | Wichita Falls, TX 76308 | Oil & Gas Operator | Oct 2015 |
| 33659 | Yarborough Joel E | Perry, OK 73077-3435 | Oil & Gas Operator | Apr 2014 |
| 33660 | Yarborough Oil & Gas L.P. | Midland, TX 79701 | Oil & Gas Operator | Oct 2000 |
| 33661 | Yarborough, W. B. | Midland, TX 79701 | Oil & Gas Operator | Nov 1995 |
| 33662 | Yarbrough Oil LP | Hobbs, NM 88241 | Oil & Gas Operator | Sep 2025 |
| 33663 | Yarbrough R E | Lago VIsta, TX 78645-0005 | Oil & Gas Operator | Mar 2015 |
| 33664 | Yarhola Production Company | Drumright, OK 74030 | Oil & Gas Operator | Dec 2025 |
| 33665 | Yarnell Ditching | Erie, KS 66733 | Gas Operator | Mar 2000 |
| 33666 | Yasny Corporation | | Oil Operator | Nov 1991 |
| 33667 | Yates Drilling Co & Myco Industrial Inc | Artesia, NM 88210 | Oil & Gas Operator | Dec 1993 |
| 33668 | Yates Drilling Company | Artesia, NM 88210 | Oil & Gas Operator | Dec 2021 |
| 33669 | Yates Energy Corporation | Roswell, NM 88202 | Oil & Gas Operator | Feb 2026 |
| 33670 | Yates Industries, LLC | Santa Fe, NM 87501 | Oil & Gas Operator | Feb 2026 |
| 33671 | Yates Oil & Gas Company | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 33672 | Yates Oil Company | | Oil Operator | Jul 1990 |
| 33673 | Yates, Earl R | | Oil Operator | Mar 2015 |
| 33674 | Yates, Harvey E. Company | Roswell, NM 88201 | Oil & Gas Operator | Dec 2002 |
| 33675 | Yeagle George W | Warren, PA 16365-0924 | Oil Operator | Dec 2010 |
| 33676 | Yeany W Byrd Jr | Mayport, PA 16240-1105 | Gas Operator | Dec 2014 |
| 33677 | Yearout, Dwain L. | South Haven, KS 67140 | Oil Operator | Aug 2025 |
| 33678 | Yeates Development Corporation | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 33679 | Yeates, F. L. | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 1997 |
| 33680 | Yegen E C | Casper, WY 82604 | Oil & Gas Operator | Mar 2015 |
| 33681 | Yei Inc | Columbus, OH 43214 | Oil & Gas Operator | Dec 1988 |
| 33682 | Yellow Creek Operating, LLC | | Oil & Gas Operator | Oct 2025 |
| 33683 | Yellow Dog Oil Company | | Oil Operator | Apr 1988 |
| 33684 | Yellow Rock, LLC | | Oil & Gas Operator | Dec 2024 |
| 33685 | Yellow Rose Energy, Inc. | Cottonwood Falls, KS 66845 | Gas Operator | Oct 1999 |
| 33686 | Yellow Rose Oil & Gas Oper. Inc. | Cisco, TX 76437 | Oil & Gas Operator | Feb 2026 |
| 33687 | Yellow Rose Oil & Gas Operating | Cisco, TX 76437 | Oil & Gas Operator | Jan 1996 |
| 33688 | Yellowbird Energy LLC | Canonsburgh, PA 15317 | Gas Operator | Dec 2025 |
| 33689 | Yellowstone Petroleums Inc. | Canada, 00100 | Oil & Gas Operator | Jun 2025 |
| 33690 | Yentzen Investments, Inc. | Sugar Land, TX 77478 | Oil Operator | May 1993 |
| 33691 | Yentzen Production, Inc. | | Oil Operator | Mar 1987 |
| 33692 | Yep, LLC | Palestine, TX 75802 | Oil Operator | Jan 2017 |
| 33693 | Yerby Bill | Ada, OK 74820-5404 | Oil Operator | Jan 2012 |
| 33694 | Yeskey, S. Kristine | Frewsburg, NY 14738 | Gas Operator | Dec 2024 |
| 33695 | Yeso Energy, Inc. | Roswell, NM 88202 | Oil & Gas Operator | May 2007 |
| 33696 | Yet Profits, L.L.C. | Wichita Falls, TX 76308 | Oil Operator | Feb 2026 |
| 33697 | Yeti Exploration, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Feb 2026 |
| 33698 | Yeubanks Barbara | Cromwell, OK 74837 | Oil Operator | Dec 2025 |
| 33699 | Yingling Oil, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2000 |
| 33700 | Ynew Corporation | Austin, TX 78747 | Oil & Gas Operator | Feb 2026 |