| 1 | M & G DRLG Co Inc | Farmington, NM 87499 | Oil & Gas Operator | Sep 2025 |
| 2 | M & G Oil Inc | Russell, KS 67665 | Oil Operator | Jun 2025 |
| 3 | M & L Enterprises A Partnership | Hobbs, NM 88240 | Oil & Gas Operator | Feb 2001 |
| 4 | M & M Production & Operation | Farmington, NM 87402 | Oil & Gas Operator | Oct 2019 |
| 5 | M & W Of Lovington Inc | Lovington, NM 88260 | Oil & Gas Operator | Jan 2011 |
| 6 | M Brad Bennett Inc | Midland, TX 797101510 | Oil & Gas Operator | Jul 2006 |
| 7 | M C Gandy & Dale Gandy | Hobbs, NM BADADDR | Oil Operator | Sep 2008 |
| 8 | M E W Enterprise | Roswell, NM 88203 | Oil & Gas Operator | Aug 2024 |
| 9 | M R Drilling Company | Monahans, TX 79756 | Oil & Gas Operator | Feb 1998 |
| 10 | M R Schalk | Albuquerque, NM 87125 | Oil & Gas Operator | Jul 2022 |
| 11 | M&M Energy, LLC | El Paso, TX 79902 | Oil Operator | Dec 2020 |
| 12 | M&M Oil, LLC | Artesia, NM 88210254 | Oil & Gas Operator | Sep 2025 |
| 13 | M-T Petroleum, Inc. | Andrews, TX 79714 | Oil & Gas Operator | Mar 2008 |
| 14 | M7 Resources LLC | Santa Fe, NM 87505 | Oil Operator | May 2025 |
| 15 | Mack Energy Corporation | Artesia, NM 88211 | Oil & Gas Operator | Sep 2025 |
| 16 | Maddox Energy Corp | Dallas, TX BAD ADDR | Oil & Gas Operator | Jul 1995 |
| 17 | Maersk Energy Inc. | Houston, TX 77042 | Oil & Gas Operator | Oct 1994 |
| 18 | Magnum Hunter Production, Inc. | Irving, TX 75014 | Oil & Gas Operator | Dec 2019 |
| 19 | Mammoth Exploration LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2023 |
| 20 | Manana Gas Inc | Albuquerque, NM 87122 | Oil & Gas Operator | Sep 2025 |
| 21 | Manhattan Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 22 | Manzanita Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 23 | Manzano Oil Corporation | Roswell, NM 88202 | Oil & Gas Operator | Feb 2005 |
| 24 | Manzano, LLC | Roswell, NM 88202 | Oil & Gas Operator | Dec 2025 |
| 25 | Mar Oil & Gas Corp. | Santa Fe, NM 87502 | Oil & Gas Operator | Sep 2025 |
| 26 | Maralex Resources Inc | Ignacio, CO 81137 | Oil & Gas Operator | Sep 2025 |
| 27 | Maralo, LLC | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 28 | Marathon Oil Company | Houston, TX 77252 | Oil & Gas Operator | Oct 2025 |
| 29 | Marathon Oil Permian LLC | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 30 | Marbob Energy Corp | Artesia, NM 882110227 | Oil & Gas Operator | Oct 2010 |
| 31 | Marcum Drilling Co. | Midland, TX 79701 | Oil & Gas Operator | Aug 2002 |
| 32 | Marjo Operating Company Inc | Tulsa, OK 741010729 | Oil & Gas Operator | Aug 2025 |
| 33 | Mark L Shidler Inc | Houston, TX 77055 | Oil & Gas Operator | Sep 2025 |
| 34 | Marks And Garner Production LTD Co | Hobbs, NM 88241 | Oil & Gas Operator | Sep 2010 |
| 35 | Markwest Resources Inc | Englewood, CO 801125004 | Oil & Gas Operator | Jun 2003 |
| 36 | Marlin Operating, LLC | Southlake, TX 76092 | Oil & Gas Operator | Sep 2025 |
| 37 | Marshall & Winston, Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2025 |
| 38 | Marshall Pipe & Supply Co. | Nocona, TX 76255 | Oil & Gas Operator | Mar 2008 |
| 39 | Marshall R Young Oil Co | Fort Worth, TX 76102 | Oil & Gas Operator | Feb 1996 |
| 40 | Mas Operating Co. | Midland, TX 79710 | Oil & Gas Operator | Dec 2025 |
| 41 | Mason-Phillips Properties Of Florida | Ville Beach, FL 32250 | Oil Operator | Apr 1999 |
| 42 | Matador Operating Company | Dallas, TX 75240 | Oil & Gas Operator | Jul 2003 |
| 43 | Matador Production Company | Dallas, TX 75240 | Oil & Gas Operator | Dec 2025 |
| 44 | Matrix New Mexico Operating Company LLC | Sugarland, TX 77479 | Oil & Gas Operator | Aug 2010 |
| 45 | Maverick Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 46 | Maverick Permian LLC | Keithville, LA 71047 | Oil & Gas Operator | Dec 2025 |
| 47 | Maximum Lease Service, Inc | Eunice, NM 88231 | Oil & Gas Operator | Sep 2025 |
| 48 | Mayne & Mertz, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2013 |
| 49 | McCabe Energy, Inc. | Midland, TX 79702 | Oil & Gas Operator | Aug 2009 |
| 50 | McCasland Management Inc | Hobbs, NM 88240 | Oil & Gas Operator | Aug 2020 |
| 51 | McClellan Oil Corporation | Roswell, NM 882020730 | Oil & Gas Operator | May 2015 |
| 52 | McClure Oil Company, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 53 | McDonnold Operating, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 54 | McElvain Energy Inc | Denver, CO 80265 | Oil & Gas Operator | Nov 2019 |
| 55 | McGowan Working Partners, Inc. | Jackson, MS 39296 | Oil & Gas Operator | Dec 2025 |
| 56 | McKay Oil & Gas LLC | Albuquerque, NM 87191 | Gas Operator | Mar 2020 |
| 57 | McKay Oil Corp | Roswell, NM 88202 | Oil & Gas Operator | Aug 2017 |
| 58 | McKenzie Methane | Houston, TX BAD ADDR | Gas Operator | Apr 1994 |
| 59 | McQuadrangle, LC | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2006 |
| 60 | McRae & Henry LTD | Golden, CO 80401 | Oil & Gas Operator | May 2022 |
| 61 | Me-Tex Oil & Gas, Inc. | Hobbs, NM 88241 | Oil & Gas Operator | Dec 2025 |
| 62 | Meadco Properties LTD | Midland, TX 79702 | Oil & Gas Operator | Sep 2019 |
| 63 | Medicine Bow Operating Company | Houston, TX 77002 | Oil & Gas Operator | Apr 2014 |
| 64 | Melrose Operating Company | Dallas, TX 75201 | Oil & Gas Operator | Sep 2011 |
| 65 | Melvin Or Kathleen Turnbow | Portales, NM 88130 | Oil & Gas Operator | Mar 2006 |
| 66 | Memorial Production Operating LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2025 |
| 67 | Mercury Exploration Co. | Fort Worth, TX 76104 | Oil & Gas Operator | Dec 2006 |
| 68 | Merit Energy Company, LLC | Dallas, TX 75009 | Oil & Gas Operator | Jun 2025 |
| 69 | Merrion Oil & Gas Corp | Farmington, NM 87401 | Oil & Gas Operator | Oct 2025 |
| 70 | Mesquite SWD Inc | Carlsbad, NM 88221 | Oil & Gas Operator | Dec 2025 |
| 71 | Meteor Developments Inc | Denver, CO BAD ADDR | Oil & Gas Operator | Dec 1995 |
| 72 | Mewbourne Oil Company | Tyler, TX 75711 | Oil & Gas Operator | Dec 2025 |
| 73 | MGM Oil & Gas Company | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 74 | Michaelson Producing Company | MC Camey, TX 79752 | Oil & Gas Operator | Dec 2025 |
| 75 | Mid-Continent Energy Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Sep 2025 |
| 76 | Mid-Continent Energy, Inc. | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2020 |
| 77 | Midland Operating, Inc. | Midland, TX 79710 | Oil & Gas Operator | Sep 2025 |
| 78 | Milford Oil Co | Tatum, NM 88267 | Oil & Gas Operator | Feb 1995 |
| 79 | Miller Oil & Gas Assets III, LLC | Englewood, CO 80155 | Oil & Gas Operator | May 2012 |
| 80 | Miltex Oil Company | Boerne, TX 78006 | Oil & Gas Operator | Dec 2025 |
| 81 | Minel Inc | Richardson, TX 75080 | Oil & Gas Operator | Aug 2024 |
| 82 | Mineral Technologies, Inc. | Midland, TX 79704 | Oil & Gas Operator | Dec 2025 |
| 83 | Mirage Energy Inc | Eunice, NM 88231 | Oil & Gas Operator | Apr 2011 |
| 84 | Mission Resources Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 85 | Mka Oil Properties | Midland, TX 79701 | Oil & Gas Operator | Sep 1997 |
| 86 | Mna Enterprises LTD. Co. | Hobbs, NM 88242 | Oil & Gas Operator | Aug 2025 |
| 87 | Mobil Producing Texas & New Mexico | Denver City, TX 79323 | Oil & Gas Operator | Jun 2005 |
| 88 | Momentum Energy Corporation | Austin, TX 78746 | Oil & Gas Operator | Dec 2025 |
| 89 | Momentum Energy, LLC | Midland, TX 79702 | Oil & Gas Operator | Feb 2004 |
| 90 | Momentum Operating Co., Inc. | Albany, TX 76430 | Oil & Gas Operator | Dec 2025 |
| 91 | Morexco Inc | Midland, TX 79710 | Oil & Gas Operator | Mar 2019 |
| 92 | Morgan Operating, Inc. | Hobbs, NM 88241 | Oil & Gas Operator | Oct 2024 |
| 93 | Moriah Resources, Inc. | Midland, TX 79704 | Oil & Gas Operator | Mar 2008 |
| 94 | Morningstar Operating LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2025 |
| 95 | Morningstar Partners, L.P. | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2022 |
| 96 | Morris A Richardson Dba Fair VIew Production | Muldrow, OK 74948 | Oil Operator | Sep 2006 |
| 97 | Moss Petroleum Company | Dallas, TX 75207 | Oil & Gas Operator | Dec 2025 |
| 98 | Mountain States Petroleum Corp | Midland, TX 79702 | Oil & Gas Operator | Apr 2008 |
| 99 | Mr NM Operating LLC | Dallas, TX 75225 | Oil & Gas Operator | Oct 2025 |
| 100 | Mulloy Operating, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |