| 701 | Longfellow Energy, LP | Dallas, TX 75225 | Oil & Gas Operator | Apr 2024 |
| 702 | Lothian Oil Texas I, Inc. | Dallas, TX 75204 | Oil & Gas Operator | Mar 2008 |
| 703 | Louis Dreyfus Natural Gas Inc | Houston, TX 770103088 | Oil & Gas Operator | Sep 1997 |
| 704 | Lynx Operating Co., Inc. | Dallas, TX 75206 | Oil & Gas Operator | Apr 2024 |
| 705 | Lynx Petroleum Consultants Inc. | Hobbs, NM 88241 | Oil & Gas Operator | Feb 2024 |
| 706 | M & G DRLG Co Inc | Farmington, NM 87499 | Oil & Gas Operator | Feb 2024 |
| 707 | M & L Enterprises A Partnership | Hobbs, NM 88240 | Oil & Gas Operator | Feb 2001 |
| 708 | M & M Production & Operation | Farmington, NM 87402 | Oil & Gas Operator | Oct 2019 |
| 709 | M & W Of Lovington Inc | Lovington, NM 88260 | Oil & Gas Operator | Jan 2011 |
| 710 | M Brad Bennett Inc | Midland, TX 797101510 | Oil & Gas Operator | Jul 2006 |
| 711 | M C Gandy & Dale Gandy | Hobbs, NM BADADDR | Oil Operator | Sep 2008 |
| 712 | M E W Enterprise | Roswell, NM 88203 | Oil & Gas Operator | Sep 2023 |
| 713 | M G Oil Inc | Russell, KS 67665 | Oil Operator | Dec 2023 |
| 714 | M R Drilling Company | Monahans, TX 79756 | Oil & Gas Operator | Feb 1998 |
| 715 | M R Schalk | Albuquerque, NM 87125 | Oil & Gas Operator | Jul 2022 |
| 716 | M&M Energy, LLC | El Paso, TX 79902 | Oil Operator | Dec 2020 |
| 717 | M&M Oil, LLC | Artesia, NM 88210254 | Oil & Gas Operator | Feb 2024 |
| 718 | M-T Petroleum, Inc. | Andrews, TX 79714 | Oil & Gas Operator | Mar 2008 |
| 719 | M7 Resources LLC | Santa Fe, NM 87505 | Oil Operator | Nov 2023 |
| 720 | Mack Energy Corporation | Artesia, NM 88211 | Oil & Gas Operator | Feb 2024 |
| 721 | Maddox Energy Corporation | Dallas, TX BAD ADDR | Oil & Gas Operator | Jul 1995 |
| 722 | Maersk Energy Inc. | Houston, TX 77042 | Oil & Gas Operator | Oct 1994 |
| 723 | Magnum Hunter Production, Inc. | Irving, TX 75014 | Oil & Gas Operator | Dec 2019 |
| 724 | Mammoth Exploration LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2023 |
| 725 | Manana Gas Inc | Albuquerque, NM 87122 | Oil & Gas Operator | Feb 2024 |
| 726 | Manhattan Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 727 | Manzanita Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 728 | Manzano LLC | Roswell, NM 88202 | Oil & Gas Operator | Apr 2024 |
| 729 | Manzano Oil Corporation | Roswell, NM 88202 | Oil & Gas Operator | Feb 2005 |
| 730 | Mar Oil & Gas Corp. | Santa Fe, NM 87502 | Oil & Gas Operator | Feb 2024 |
| 731 | Maralex Resources Inc | Ignacio, CO 81137 | Oil & Gas Operator | Feb 2024 |
| 732 | Maralo, LLC | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 733 | Marathon Oil Company | Houston, TX 77024 | Oil & Gas Operator | Feb 2024 |
| 734 | Marathon Oil Permian LLC | Houston, TX 77024 | Oil & Gas Operator | Feb 2024 |
| 735 | Marbob Energy Corp | Artesia, NM 882110227 | Oil & Gas Operator | Oct 2010 |
| 736 | Marcum Drilling Co. | Midland, TX 79701 | Oil & Gas Operator | Aug 2002 |
| 737 | Marjo Operating Company Inc | Tulsa, OK 741010729 | Oil & Gas Operator | Dec 2023 |
| 738 | Mark L Shidler, Inc. | Houston, TX 77055 | Oil & Gas Operator | Jan 2024 |
| 739 | Marks And Garner Production LTD Co | Hobbs, NM 88241 | Oil & Gas Operator | Sep 2010 |
| 740 | Markwest Resources Inc | Englewood, CO 801125004 | Oil & Gas Operator | Jun 2003 |
| 741 | Marlin Operating, LLC | Southlake, TX 76092 | Oil & Gas Operator | Jan 2024 |
| 742 | Marshall & Winston, Inc. | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |
| 743 | Marshall Pipe & Supply Co. | Nocona, TX 76255 | Oil & Gas Operator | Mar 2008 |
| 744 | Marshall R Young Oil Co | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 1996 |
| 745 | Mas Operating Co. | Midland, TX 79710 | Oil & Gas Operator | Apr 2024 |
| 746 | Mason-Phillips Properties Of Florida | Ville Beach, FL 32250 | Oil Operator | Apr 1999 |
| 747 | Matador Operating Company | Dallas, TX 75240 | Oil & Gas Operator | Jul 2003 |
| 748 | Matador Production Company | Dallas, TX 75240 | Oil & Gas Operator | Apr 2024 |
| 749 | Matrix New Mexico Operating Company LLC | Sugarland, TX 77479 | Oil & Gas Operator | Aug 2010 |
| 750 | Maverick Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
| 751 | Maverick Permian LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 752 | Maximum Lease Service, Inc | Eunice, NM 88231 | Oil & Gas Operator | Jan 2024 |
| 753 | Mayne & Mertz, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2013 |
| 754 | McCabe Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Aug 2009 |
| 755 | McCasland Management Inc | Hobbs, NM 88240 | Oil & Gas Operator | Aug 2020 |
| 756 | McClellan Oil Corporation | Roswell, NM 882020730 | Oil & Gas Operator | May 2015 |
| 757 | McClure Oil Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
| 758 | McDonnold Operating, Inc. | Midland, TX 79701 | Oil & Gas Operator | Apr 2024 |
| 759 | McElvain Energy Inc | Denver, CO 80265 | Oil & Gas Operator | Nov 2019 |
| 760 | McGowan Working Partners, Inc. | Jackson, MS 39296 | Oil & Gas Operator | Apr 2024 |
| 761 | McKay Oil & Gas LLC | Albuquerque, NM 87191 | Gas Operator | Mar 2020 |
| 762 | McKay Oil Corp | Roswell, NM 88202 | Oil & Gas Operator | Aug 2017 |
| 763 | McKenzie Methane | Houston, TX BAD ADDR | Gas Operator | Apr 1994 |
| 764 | McQuadrangle, LC | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2006 |
| 765 | McRae & Henry LTD | Golden, CO 80401 | Oil & Gas Operator | May 2022 |
| 766 | Me-Tex Oil & Gas, Inc. | Hobbs, NM 88241 | Oil & Gas Operator | Apr 2024 |
| 767 | Meadco Properties LTD | Midland, TX 79702 | Oil & Gas Operator | Sep 2019 |
| 768 | Medicine Bow Operating Company | Houston, TX 77002 | Oil & Gas Operator | Apr 2014 |
| 769 | Melrose Operating Company | Dallas, TX 75201 | Oil & Gas Operator | Sep 2011 |
| 770 | Melvin Or Kathleen Turnbow | Portales, NM 88130 | Oil & Gas Operator | Mar 2006 |
| 771 | Memorial Production Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2024 |
| 772 | Mercury Exploration Co | Fort Worth, TX 76104 | Oil & Gas Operator | Dec 2006 |
| 773 | Merit Energy Company, LLC | Dallas, TX 75240 | Oil & Gas Operator | Jan 2024 |
| 774 | Merrion Oil & Gas Corp | Farmington, NM 87401 | Oil & Gas Operator | Feb 2024 |
| 775 | Mesquite SWD Inc | Carlsbad, NM 88221 | Oil & Gas Operator | Apr 2024 |
| 776 | Meteor Developments Inc | Denver, CO BAD ADDR | Oil & Gas Operator | Dec 1995 |
| 777 | Mewbourne Oil Company | Tyler, TX 75711 | Oil & Gas Operator | Apr 2024 |
| 778 | MGM Oil & Gas Company | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 779 | Michaelson Producing Company | MC Camey, TX 79752 | Oil & Gas Operator | Apr 2024 |
| 780 | Mid-Continent Energy Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2024 |
| 781 | Mid-Continent Energy, Inc. | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2020 |
| 782 | Midland Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Dec 2023 |
| 783 | Milford Oil Co | Tatum, NM 88267 | Oil & Gas Operator | Feb 1995 |
| 784 | Miller Oil & Gas Assets III, LLC | Englewood, CO 80155 | Oil & Gas Operator | May 2012 |
| 785 | Miltex Oil Company | New Braunfels, TX 78132 | Oil & Gas Operator | Apr 2024 |
| 786 | Minel Inc | Richardson, TX 75080 | Oil & Gas Operator | Jun 2022 |
| 787 | Mineral Technologies, Inc. | Midland, TX 79704 | Oil & Gas Operator | Apr 2024 |
| 788 | Mirage Energy Inc | Eunice, NM 88231 | Oil & Gas Operator | Apr 2011 |
| 789 | Mission Resources Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 790 | Mna Enterprises LTD. Co. | Hobbs, NM 88242 | Oil & Gas Operator | Apr 2024 |
| 791 | Mobil Producing Texas & New Mexico | Denver City, TX 79323 | Oil & Gas Operator | Jun 2005 |
| 792 | Momentum Energy Corporation | Austin, TX 78746 | Oil & Gas Operator | Apr 2024 |
| 793 | Momentum Energy, LLC | Midland, TX 79702 | Oil & Gas Operator | Feb 2004 |
| 794 | Momentum Operating Co., Inc. | Albany, TX 76430 | Oil & Gas Operator | Apr 2024 |
| 795 | Morexco Inc | Midland, TX 79710 | Oil & Gas Operator | Mar 2019 |
| 796 | Morgan Operating, Inc. | Hobbs, NM 88241 | Oil & Gas Operator | Jan 2024 |
| 797 | Moriah Resources, Inc. | Midland, TX 79704 | Oil & Gas Operator | Mar 2008 |
| 798 | Morningstar Operating LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2024 |
| 799 | Morningstar Partners, L.P. | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2022 |
| 800 | Morris A Richardson Dba Fair VIew Production | Muldrow, OK 74948 | Oil Operator | Sep 2006 |