| 20401 | Morgan Creek Production Co., Inc | Westbrook, TX 79565 | Oil & Gas Operator | Feb 2026 |
| 20402 | Morgan David E | Enid, OK 73702-3525 | Oil & Gas Operator | Sep 2016 |
| 20403 | Morgan E&P, LLC | | Oil & Gas Operator | Dec 2025 |
| 20404 | Morgan Energy Corporation | Englewood, CO 80110 | Oil & Gas Operator | Mar 2006 |
| 20405 | Morgan Enterprises | | Oil & Gas Operator | Aug 1997 |
| 20406 | Morgan Enterprises, Inc. | Houston, TX 77024 | Oil & Gas Operator | Feb 2026 |
| 20407 | Morgan Oil Company | Nacogdoches, TX 75963 | Oil & Gas Operator | May 2006 |
| 20408 | Morgan Operating, Inc. | Hobbs, NM 88241 | Oil & Gas Operator | Oct 2024 |
| 20409 | Morgan Pennington Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 1990 |
| 20410 | Morgan Petroleum Company | Edmond, OK 73083 | Oil & Gas Operator | Mar 1993 |
| 20411 | Morgan Robert M / L Ladean | Wewoka, OK 74884 | Oil & Gas Operator | Jul 2015 |
| 20412 | Morgan, C. V. Partnership | Olney, TX 76374 | Oil & Gas Operator | Jan 2009 |
| 20413 | Morgan, Mike | | Oil Operator | Dec 2014 |
| 20414 | Morgan, Robert L | | Oil Operator | Dec 2017 |
| 20415 | Morgas | Shamrock, TX 79079 | Gas Operator | Nov 1994 |
| 20416 | Morgenstern Oil Operations LLC | Ellinwood, KS 67526 | Oil Operator | Sep 2025 |
| 20417 | Moriah Operating,LLC | Midland, TX 79701 | Oil & Gas Operator | Feb 2026 |
| 20418 | Moriah Resources, Inc. | Midland, TX 79704 | Oil & Gas Operator | Mar 2008 |
| 20419 | Morley, Kenneth A. | Sinclairville, NY 14782 | Gas Operator | Dec 2024 |
| 20420 | Mormack Ind Inc | Orrville, OH 44667 | Oil & Gas Operator | Dec 2024 |
| 20421 | Mormar Family Holdings, L.L.C. | Ranger, TX 76470 | Oil & Gas Operator | Feb 2026 |
| 20422 | Morning Star Oil Company | Thermopolis, WY 82443 | Oil Operator | Feb 2025 |
| 20423 | Morningstar Gas, Inc. | Las Vegas, NV 89117 | Gas Operator | Feb 2026 |
| 20424 | Morningstar Operating LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 2026 |
| 20425 | Morningstar Partners, L.P. | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2022 |
| 20426 | Moro Bay Oil Company, Inc. | | Oil Operator | Jan 1997 |
| 20427 | Morreale, Michael G. & John W. | Frewsburg, NY 14738 | Gas Operator | Dec 2024 |
| 20428 | Morred, Inc. | Borger, TX 79007 | Oil & Gas Operator | Feb 2026 |
| 20429 | Morrell, W. R. | Albany, TX 76430 | Oil & Gas Operator | Feb 2026 |
| 20430 | Morris & Associates | Purcell, OK 73080 | Oil Operator | Feb 2012 |
| 20431 | Morris & Morris | | Oil Operator | Sep 1995 |
| 20432 | Morris A Richardson Dba Fair VIew Production | Muldrow, OK 74948 | Oil Operator | Sep 2006 |
| 20433 | Morris Beall Oil & Gas Co | | Oil & Gas Operator | Dec 2021 |
| 20434 | Morris Bill Oil | | Gas Operator | Jan 1982 |
| 20435 | Morris Dennis J | Cameron, OK 74932-2186 | Gas Operator | Nov 2025 |
| 20436 | Morris Ed Dba Morris Operating Company | Mounds, OK 74047-4801 | Oil & Gas Operator | Dec 2025 |
| 20437 | Morris Everett E | | Oil & Gas Operator | Feb 1991 |
| 20438 | Morris Oil & Gas Co., Inc | | Oil & Gas Operator | Dec 2021 |
| 20439 | Morris Oil Operations | | Oil Operator | Sep 2025 |
| 20440 | Morris Operating Co | Lovington, NM 88260 | Oil & Gas Operator | Feb 2026 |
| 20441 | Morris Pete Drilling Company | | Oil Operator | Feb 1999 |
| 20442 | Morris R. Greenhaw Oil&Gas, Inc | Desdemona, TX 76445 | Oil & Gas Operator | Feb 2026 |
| 20443 | Morris Richard B | | Oil Operator | Dec 1996 |
| 20444 | Morris Roger Dan | Cushing, OK 74023 | Oil & Gas Operator | Nov 2025 |
| 20445 | Morris, Carl R | | Oil & Gas Operator | Dec 2015 |
| 20446 | Morris, Stanley A. | Cherry Creek, NY 14723 | Gas Operator | Dec 2024 |
| 20447 | Morris, W. Dale Inc. | Mineral Wells, TX 76068 | Oil & Gas Operator | Feb 2026 |
| 20448 | Morrison DRLG. & Prod. Co., Inc. | Abilene, TX 79606 | Oil & Gas Operator | Nov 2008 |
| 20449 | Morrison International Energy Inc | Oklahoma City, OK 73189-0537 | Oil & Gas Operator | Feb 2025 |
| 20450 | Morrison Oil Co. LLC | | Oil & Gas Operator | Nov 2025 |
| 20451 | Morrison Oil Company | Bartlesville, OK 74003 | Oil Operator | Mar 2015 |
| 20452 | Morrison, Mark L. | Yates Center, KS 66783 | Oil Operator | Sep 2025 |
| 20453 | Morrison-Dixon O | | Oil Operator | Oct 1993 |
| 20454 | Morrow Oil & Gas Co. | Terry, MS 39170 | Oil & Gas Operator | Oct 2025 |
| 20455 | Morrow Operating Co., Inc. | | Oil Operator | Mar 2003 |
| 20456 | Morrow Resources, Inc. | San Angelo, TX 76904 | Oil & Gas Operator | Oct 2004 |
| 20457 | Morrow, Anthony | Albany, TX 76430 | Oil & Gas Operator | Feb 2026 |
| 20458 | Morrow, Joe | Farmington, NM 87401 | Oil Operator | Jan 1993 |
| 20459 | Morrows Stoney Point Farm Inc | New Concord, OH 43762 | Oil & Gas Operator | Dec 2017 |
| 20460 | Morse, John R. | Portland, NY 14769 | Gas Operator | Dec 2024 |
| 20461 | Morsey Oil & Gas | | Oil & Gas Operator | Mar 1995 |
| 20462 | Morsey Oil & Gas Corporation | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Feb 2026 |
| 20463 | Mortimer Exploration Company | San Antonio, TX 78209 | Oil & Gas Operator | Sep 2003 |
| 20464 | Mortimer Production Company | San Antonio, TX 78209 | Oil & Gas Operator | Feb 2026 |
| 20465 | Morton And Dolley | | Oil Operator | Dec 1991 |
| 20466 | Morton Bros A Partnership | Bristow, OK 74010-0403 | Oil & Gas Operator | Jul 2003 |
| 20467 | Morton Brothers Company | Bristow, OK 74010 | Oil & Gas Operator | May 2009 |
| 20468 | Morton Drilling Company | Bristow, OK 74010-1279 | Oil & Gas Operator | Jun 1995 |
| 20469 | Morton Leases | Morris, OK 74445-2048 | Oil & Gas Operator | Jul 2017 |
| 20470 | Morton Leases Inc | | Oil & Gas Operator | Nov 2025 |
| 20471 | Morton Production Inc | Ada, OK 74820-2643 | Oil & Gas Operator | Sep 2014 |
| 20472 | Morton Valley Oil & Gas, Inc. | Dallas, TX 75222 | Oil & Gas Operator | Jun 2007 |
| 20473 | Morton, J. V. Oil Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Nov 1999 |
| 20474 | Mosaic Midland LLC | Dallas, TX 75367 | Oil Operator | Feb 2026 |
| 20475 | Mosaic Oil LLC | Dallas, TX 75205 | Oil & Gas Operator | Feb 2026 |
| 20476 | Mosaic Pecos LLC | Dallas, TX 75367 | Oil Operator | Feb 2026 |
| 20477 | Mosaic Texas LLC | Dallas, TX 75205 | Oil & Gas Operator | Feb 2026 |
| 20478 | Mosbacher Energy Company | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 20479 | Mosbacher Production Co. | Casper, WY 82602 | Oil & Gas Operator | Aug 1984 |
| 20480 | Mosbacher, Robert-Pruet, Chesley | | Oil & Gas Operator | Dec 1983 |
| 20481 | Moseley Petroleum Corp. | | Oil & Gas Operator | Apr 1988 |
| 20482 | Moseley, J. T. | Temple, TX 76502 | Oil & Gas Operator | Sep 2008 |
| 20483 | Moses Gas, Inc. | Indore, WV 25111-0100 | Gas Operator | Dec 2018 |
| 20484 | Moses, George W. | | Gas Operator | Nov 2009 |
| 20485 | Moses, Tom | Beaumont, TX 77702 | Oil Operator | Feb 2026 |
| 20486 | Mosher Gas, LLC | Knoxville, PA 16928 | Gas Operator | Dec 2024 |
| 20487 | Moskowitz Charles J | | Oil Operator | Dec 2011 |
| 20488 | Mosley Oil &Gas Inc | Houston, TX 77002 | Oil & Gas Operator | Feb 2026 |
| 20489 | Mosman Operating, LLC | Dallas, TX 75204 | Oil Operator | Feb 2026 |
| 20490 | Moss Petroleum Company | Dallas, TX 75207 | Oil & Gas Operator | Feb 2026 |
| 20491 | Moss Properties Inc | | Oil & Gas Operator | Mar 1986 |
| 20492 | Moss SWD, LLC | Andrews, TX 79714 | Oil Operator | Feb 2026 |
| 20493 | Moss Ted A Operating Company | Oklahoma City, OK 73126-0187 | Oil & Gas Operator | Jun 1997 |
| 20494 | Moss William Properties Inc | Dallas, TX 75219 | Oil & Gas Operator | Apr 2014 |
| 20495 | Moss, William Corp. | Dallas, TX 75219 | Oil & Gas Operator | Oct 2002 |
| 20496 | Mossholder Drilling Co | Newark, OH 43055 | Oil Operator | Dec 1990 |
| 20497 | Mossholder Linda Dba | Newark, OH 43055 | Oil & Gas Operator | Dec 2015 |
| 20498 | Mossor, L. E. | Harrisville, WV 26362-0000 | Oil & Gas Operator | Dec 2002 |
| 20499 | Mosthaf Edwin C And Mosthaf Levina M | | Oil Operator | Dec 2015 |
| 20500 | Mote Resources, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Dec 2004 |