| 19601 | Mullins Jimmy R Dba Southcreek Petroleum Co | Dibble, OK 73031 | Oil & Gas Operator | Jan 2021 |
| 19602 | Mullins Well Service | MT Gilead, OH 43338 | Oil & Gas Operator | Dec 2018 |
| 19603 | Mullins, John S | | Oil Operator | Nov 2014 |
| 19604 | Mullins, Manuel | Olney, TX 76374 | Oil & Gas Operator | Jul 2026 |
| 19605 | Mulloy Operating, Inc. | Midland, TX 79707 | Oil & Gas Operator | Jul 2026 |
| 19606 | Mulloy, J. W. Associates, Inc. | Midland, TX 79701 | Oil & Gas Operator | Jan 2003 |
| 19607 | Multipay Energy, Inc. | Austin, TX 78749 | Oil Operator | Jul 2026 |
| 19608 | Multiplex Resources, Inc. | Baytown, TX 77521 | Oil Operator | Dec 2009 |
| 19609 | Mumford, Catherine | Waterloo, NY 13165 | Gas Operator | Dec 2025 |
| 19610 | Mumford-Gabel, Jennifer And Kyle Gabel | Lawtons, NY 14091 | Gas Operator | Dec 2025 |
| 19611 | Mumma Oil Production Co., Inc. | Allentown, PA 18109-0000 | Oil & Gas Operator | Dec 2019 |
| 19612 | Munday Operating Co., L.L.C. | | Oil & Gas Operator | May 2007 |
| 19613 | Mundell F E | Watertown, SD 57201 | Oil & Gas Operator | Aug 1994 |
| 19614 | Munn, W. H. Operating Company | Midland, TX 79702 | Oil & Gas Operator | Sep 2002 |
| 19615 | Munoco Co. L.C. | | Oil & Gas Operator | Jun 2003 |
| 19616 | Munoco Company | El Dorado, AR 71730 | Oil & Gas Operator | Jul 2021 |
| 19617 | Munoz Farms Operating Co., LLC | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Jul 2026 |
| 19618 | Munoz, Magdaleno C. | Borger, TX 79007 | Oil Operator | Jul 2026 |
| 19619 | Munson Dave Company | Dallas, TX 75201-3591 | Oil Operator | Aug 1996 |
| 19620 | Munson Operating, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Jul 2026 |
| 19621 | Munson, Charles C. | Dallas, TX 75201 | Oil & Gas Operator | Apr 2002 |
| 19622 | Munson, David M. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2015 |
| 19623 | Munson, David M. Inc. | Dallas, TX 75251 | Oil & Gas Operator | Jul 2026 |
| 19624 | Munson, E. P., Jr. | Fort Worth, TX 76121 | Oil & Gas Operator | Oct 1995 |
| 19625 | Muras Energy Inc | Edmond, OK 73013 | Oil & Gas Operator | Apr 2026 |
| 19626 | Murchison Oil & | | Oil Operator | Mar 1988 |
| 19627 | Murchison Oil & Gas Inc | Plano, TX 75024 | Oil & Gas Operator | Aug 2020 |
| 19628 | Murchison Oil And Gas, LLC | Dallas, TX 75229 | Oil & Gas Operator | Feb 2025 |
| 19629 | Murchison, G. B. Trust | Dallas, TX 75283 | Oil & Gas Operator | Sep 1994 |
| 19630 | Murdoch Oil Co Inc | Bluff, UT 84512 | Oil & Gas Operator | Jun 2010 |
| 19631 | Murex Petroleum Corporation | Humble, TX 77347 | Oil & Gas Operator | May 2026 |
| 19632 | Murexco Petroleum Inc | Dallas, TX 75251 | Oil & Gas Operator | Oct 1996 |
| 19633 | Murfin Drilling | | Oil & Gas Operator | Jul 1997 |
| 19634 | Murfin DRLG Co Inc | Wichita, KS 67202 | Oil & Gas Operator | May 2026 |
| 19635 | Murjo Oil & Royalty Company | Fort Worth, TX 76121 | Oil & Gas Operator | Dec 2019 |
| 19636 | Murk, James M. | Wheaton, IL 60189 | Gas Operator | Jan 1999 |
| 19637 | Muroz International Group Inc | Houston, TX 77056 | Oil Operator | Jul 2026 |
| 19638 | Murphree Brothers Production | Monahans, TX 79756 | Oil & Gas Operator | Jul 2026 |
| 19639 | Murphree Production | Monahans, TX 79756 | Oil & Gas Operator | Jul 2014 |
| 19640 | Murphrey Oil Company, Inc. | | Oil Operator | Jan 2025 |
| 19641 | Murphy & Associates, Inc. | Snyder, TX 79549 | Oil & Gas Operator | Oct 1996 |
| 19642 | Murphy - Sun | | Oil & Gas Operator | May 1989 |
| 19643 | Murphy D V | | Oil Operator | Dec 1989 |
| 19644 | Murphy Energy Services, LP | Saratoga, TX 77585 | Oil Operator | Dec 2018 |
| 19645 | Murphy Exp & Prod Co.-USA | | Oil & Gas Operator | May 2014 |
| 19646 | Murphy Expl. & Prod. Co. - USA | Houston, TX 77024 | Oil & Gas Operator | Jul 2026 |
| 19647 | Murphy Exploration & Prod. Co. | Houston, TX 77094 | Oil & Gas Operator | Jun 2011 |
| 19648 | Murphy Exploration & Production | Houston, TX 77024 | Oil Operator | Jan 2025 |
| 19649 | Murphy Helen Colpitt Trust | Collinsville, OK 74021-0128 | Oil & Gas Operator | May 2002 |
| 19650 | Murphy Jack L | Tulsa, OK 74104-4915 | Oil Operator | Mar 2015 |
| 19651 | Murphy Oil Company Inc | Lancaster, OH 43130 | Oil & Gas Operator | Dec 2024 |
| 19652 | Murphy Oil USA, Inc. | New Orleans, LA 70161 | Oil & Gas Operator | Jan 1993 |
| 19653 | Murphy Operating Corp | Roswell, NM 88202 | Oil & Gas Operator | Apr 1998 |
| 19654 | Murphy Prod Inc | Vanderbilt, PA 15486-1001 | Oil & Gas Operator | Dec 2025 |
| 19655 | Murphy Production Co. (Inc.) | | Oil & Gas Operator | Apr 1991 |
| 19656 | Murphy Production Corp. | Austin, TX 78731 | Oil & Gas Operator | Sep 2013 |
| 19657 | Murphy Sheldon L & Loretta | Newcastle, WY 82701 | Oil & Gas Operator | Jun 2026 |
| 19658 | Murphy, Bill W. Operating Co,Inc | Richardson, TX 75080 | Oil & Gas Operator | Jul 2026 |
| 19659 | Murphy, Charles H. | Altoona, KS 66710 | Oil Operator | Jul 2022 |
| 19660 | Murphy, Douglas S. | Sherman, NY 14781 | Gas Operator | Dec 2025 |
| 19661 | Murphy, Earl M. | Madison, KS 66860 | Oil Operator | Jun 1999 |
| 19662 | Murphy, K. P. Oil Operator | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2026 |
| 19663 | Murray Hill Energy, Inc. | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2017 |
| 19664 | Murray J. Evans | | Oil Operator | Mar 1985 |
| 19665 | Murray Oil And Gas LLC | Greensburg, KS 67054 | Oil & Gas Operator | Mar 2026 |
| 19666 | Murray, Tom Enterprises | Monahans, TX 79756 | Oil & Gas Operator | Jul 2026 |
| 19667 | Murray-Teague Assoc. | | Oil Operator | Dec 2005 |
| 19668 | Murtha Contracting Inc. | Conneaut, OH 44030 | Oil & Gas Operator | Dec 2009 |
| 19669 | Murvin & Meier Oil Co. | | Oil & Gas Operator | Dec 2020 |
| 19670 | Musgrave, Dalton | | Oil Operator | Dec 2020 |
| 19671 | Musgrove Casey O | | Oil Operator | Oct 1993 |
| 19672 | Musgrove Casey Oil | Ponca City, OK 74602-0391 | Oil & Gas Operator | Jun 2017 |
| 19673 | Musgrove Energy Inc | Ponca City, OK 74602 | Oil & Gas Operator | Dec 2025 |
| 19674 | Musgrove Petrole | | Oil & Gas Operator | Dec 1996 |
| 19675 | Musgrove Produci | | Oil Operator | May 1989 |
| 19676 | Musgrove Producing | El Dorado, KS 67042 | Oil Operator | Apr 2001 |
| 19677 | Muskegon Development Co And Miller Energy Inc An | | Gas Operator | Dec 1997 |
| 19678 | Muskegon Development Company | MT Pleasant, MI 48858 | Oil & Gas Operator | Jul 2026 |
| 19679 | Muskegon Operating Company LLC | | Oil & Gas Operator | Apr 2026 |
| 19680 | Muslow And Parker | | Oil & Gas Operator | Jul 1994 |
| 19681 | Muslow Oil Industries | | Oil Operator | Jan 1995 |
| 19682 | Musselman, Owen & King Oper.,Inc | Houston, TX 77002 | Oil & Gas Operator | Feb 1998 |
| 19683 | Mustang Drilling | | Oil & Gas Operator | Nov 1996 |
| 19684 | Mustang Drilling, Inc. | Henderson, TX 75653 | Oil & Gas Operator | Aug 2024 |
| 19685 | Mustang Drilling, LTD. | Henderson, TX 75653 | Oil & Gas Operator | May 2008 |
| 19686 | Mustang Energy Corporation | Hays, KS 67601 | Oil Operator | Mar 2026 |
| 19687 | Mustang Energy Inc. | Porter, TX 77365 | Oil & Gas Operator | Mar 2008 |
| 19688 | Mustang Energy L C | | Oil & Gas Operator | Jan 2013 |
| 19689 | Mustang Fuel Cor | | Oil & Gas Operator | Dec 1990 |
| 19690 | Mustang Fuel Corp. Of Oklahoma | Oklahoma City, OK 73106 | Oil & Gas Operator | Nov 2016 |
| 19691 | Mustang Fuel Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Jul 2026 |
| 19692 | Mustang Gas Products LLC | Oklahoma City, OK 73114-7406 | Oil & Gas Operator | Sep 2022 |
| 19693 | Mustang Holding, LLC (Finnex) | | Oil & Gas Operator | Feb 2026 |
| 19694 | Mustang Oil & Gas Corporation | Wichita Falls, TX 76308 | Oil & Gas Operator | Jul 2021 |
| 19695 | Mustang Operating Company | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2006 |
| 19696 | Mustang Resources LLC | Houston, TX 77046 | Oil & Gas Operator | May 2026 |
| 19697 | Mutch Harry L | | Oil & Gas Operator | Oct 1991 |
| 19698 | Mutch J O | | Gas Operator | Mar 1990 |
| 19699 | Mutch Oil And Gas Development Inc | | Oil & Gas Operator | Dec 2004 |
| 19700 | Mutschelknaus, Clarence W | Salem, WV 26426-0351 | Oil & Gas Operator | Dec 2021 |