| 19101 | MKS Natural Gas Company | Weatherford, TX 76086 | Oil & Gas Operator | Mar 2016 |
| 19102 | ML Resources, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Mar 2008 |
| 19103 | MLB Operating Services, LLC | Tenn Colony, TX 75861 | Oil & Gas Operator | Sep 2024 |
| 19104 | MLC Co., Inc. | Dallas, TX 75201 | Oil & Gas Operator | Dec 1996 |
| 19105 | MLC Operating, LP | Houston, TX 77063 | Oil & Gas Operator | Sep 2024 |
| 19106 | MLC Resources LLC | Kingfisher, OK 73750-0364 | Oil & Gas Operator | Jun 2024 |
| 19107 | MLF, Inc. | Houston, TX 77096 | Gas Operator | Nov 2009 |
| 19108 | MLGW | | Gas Operator | Sep 1984 |
| 19109 | MLX Operating, Inc. | Clarksburg, WV 26301 | Oil & Gas Operator | Dec 2021 |
| 19110 | MM China Star Oil Co., LLC | Woodway, TX 76712 | Oil & Gas Operator | Sep 2024 |
| 19111 | MMD Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Dec 2000 |
| 19112 | MMG Oil Company | Buffalo Gap, TX 79508 | Oil & Gas Operator | Aug 2006 |
| 19113 | MMGK Arkoma, LLC | Dallas, TX 75240 | Gas Operator | Jun 2024 |
| 19114 | MMGL TXPH, LLC | Dallas, TX 75240 | Oil & Gas Operator | Sep 2024 |
| 19115 | Mna Enterprises LTD. Co. | Hobbs, NM 88242 | Oil & Gas Operator | Sep 2024 |
| 19116 | Mo-Jon, Inc. | Edroy, TX 78352 | Oil & Gas Operator | May 1999 |
| 19117 | Mo-Kan Oil Group | St. Louis, MO 63131 | Oil Operator | Sep 2001 |
| 19118 | Mo-Ky | | Oil Operator | Dec 1982 |
| 19119 | Moabb Oil Corp | | Oil & Gas Operator | Apr 1998 |
| 19120 | Mob Corp | Waynesburg, PA 15370-2036 | Gas Operator | Dec 2007 |
| 19121 | Mobay Storage Hub LLC | | Gas Operator | Oct 2008 |
| 19122 | Mobeetie Resource Dev LLC | Booker, TX 79005 | Oil & Gas Operator | Sep 2024 |
| 19123 | Mobil E&P N.A.-Pel-Tex | | Oil & Gas Operator | Dec 1993 |
| 19124 | Mobil E&P N.A.-WM Scully Et Al | | Oil & Gas Operator | Dec 1993 |
| 19125 | Mobil E&P North America Inc. | | Oil & Gas Operator | Jan 1994 |
| 19126 | Mobil Exp & Prod Us Inc | Houston, TX 77060-1991 | Oil & Gas Operator | May 2001 |
| 19127 | Mobil Expl & Producing North America Inc | | Oil & Gas Operator | Nov 1986 |
| 19128 | Mobil Explor & Prod | Cortez, CO 81321 | Oil & Gas Operator | May 2001 |
| 19129 | Mobil Oil Corpor | | Oil & Gas Operator | Dec 1996 |
| 19130 | Mobil Oil Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2016 |
| 19131 | Mobil Oil E & P Southeast Inc | | Oil & Gas Operator | Sep 2013 |
| 19132 | Mobil Oil E&P Se Inc - Pel-Tex | | Oil & Gas Operator | Dec 2005 |
| 19133 | Mobil Oil Expl & Prod S E | | Oil & Gas Operator | Dec 1979 |
| 19134 | Mobil Oil Exploration & Producing Southeast, Inc. | | Oil & Gas Operator | May 2024 |
| 19135 | Mobil Oil Exploration & Production North America Inc. | | Oil & Gas Operator | Dec 1996 |
| 19136 | Mobil Petro Vac, Inc. | Duncan, OK 73533 | Oil & Gas Operator | Sep 2024 |
| 19137 | Mobil Producing Texas & New Mexico | Denver City, TX 79323 | Oil & Gas Operator | Jun 2005 |
| 19138 | Mobil Producing TX. & N.M. Inc. | Spring, TX 77389 | Oil & Gas Operator | Sep 2024 |
| 19139 | Mobile Gulf, Inc. | | Oil & Gas Operator | Aug 1985 |
| 19140 | Mobile Petrovac, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Sep 2024 |
| 19141 | Mobile Production Systems, Inc. | Austin, TX 78711 | Oil & Gas Operator | Feb 1995 |
| 19142 | Mobley & Davis | | Oil & Gas Operator | Oct 1986 |
| 19143 | Mobley & McCain | | Oil & Gas Operator | Nov 1979 |
| 19144 | Mobley & McCain, Et Al | | Oil & Gas Operator | Jul 1986 |
| 19145 | Mobley Oil Company, Inc. | | Oil & Gas Operator | Feb 1990 |
| 19146 | Mobley Valve Service, Inc. | | Oil & Gas Operator | Nov 2006 |
| 19147 | Mobpar, Inc. | Houston, TX 77219 | Oil & Gas Operator | Sep 2024 |
| 19148 | Mobreal Oil Inc | Wilmington, DE 19808 | Oil & Gas Operator | Dec 1989 |
| 19149 | Mockingbird Oil, Inc. (I) | Spring, TX 77389 | Oil & Gas Operator | Sep 2024 |
| 19150 | Moco Oil Inc | | Oil Operator | May 1984 |
| 19151 | Moco Operating Company | | Oil & Gas Operator | Mar 2002 |
| 19152 | Mode Oil & Gasdev LTD12/21/Ofb 9-98 | | Oil & Gas Operator | May 2013 |
| 19153 | Modena Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Sep 2024 |
| 19154 | Modern Exploration, Inc. | Sherman, TX 75090 | Oil & Gas Operator | Sep 2024 |
| 19155 | Modus Inc. | | Oil & Gas Operator | Jul 2024 |
| 19156 | Moenning, Vernie | Electra, TX 76360 | Oil & Gas Operator | Sep 2024 |
| 19157 | Moff Oil Company | Pratt, KS 67124 | Gas Operator | Apr 1988 |
| 19158 | Moffitt W G Trust | Fort Gibson, OK 74434-4258 | Gas Operator | Nov 2019 |
| 19159 | Mogo Reagan, LLC | Cut Bank, MT 59427 | Oil & Gas Operator | Jun 2024 |
| 19160 | Mogul Energy Corp | Los Angeles, CA 90024 | Oil & Gas Operator | Jan 2001 |
| 19161 | Mogul Energy International, Inc. | Houston, TX 77042 | Oil & Gas Operator | Oct 2017 |
| 19162 | Mogul Operating LLC | St Petersburg, FL 33706 | Oil Operator | Sep 2024 |
| 19163 | Mogul Resources, LLC | Ranger, TX 76470 | Oil & Gas Operator | Sep 2024 |
| 19164 | Mohawk Drilling Company | | Oil & Gas Operator | Nov 1998 |
| 19165 | Mohawk Petroleum | | Oil & Gas Operator | Jan 1995 |
| 19166 | Mohican Exploration, LLC | Graham, TX 76450 | Oil & Gas Operator | Sep 2024 |
| 19167 | Mohican Oil & Gas, L.L.C. | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Apr 2013 |
| 19168 | Mohican Operating, L.L.C. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2021 |
| 19169 | Mohr, Steve | Maize, KS 67101 | Oil Operator | Aug 2022 |
| 19170 | Mojac Energy Corp. | Houston, TX 77056 | Oil & Gas Operator | Dec 1997 |
| 19171 | Mojave Operating Company | Midland, TX 79702 | Oil & Gas Operator | Nov 2002 |
| 19172 | Mojave Resources, LLC | New Braunfels, TX 78132 | Oil Operator | Sep 2024 |
| 19173 | Mokan Capital, LLC | Spicewood, TX 78669 | Oil Operator | Sep 2024 |
| 19174 | Molder, Tom | Imperial, TX 79743 | Oil & Gas Operator | Sep 2024 |
| 19175 | Mole Hole Prod. | Bridgeport, TX 76426 | Oil Operator | Sep 2024 |
| 19176 | Mole Operating Co., Inc. | | Oil & Gas Operator | Oct 1983 |
| 19177 | Moleco, LLC | Santa Anna, TX 76878 | Oil Operator | Sep 2024 |
| 19178 | Moleo Gas Corp. | San Angelo, TX 76902 | Oil & Gas Operator | Apr 2018 |
| 19179 | Molitor Oil, Inc. | Wichita, KS 67205 | Oil & Gas Operator | May 2024 |
| 19180 | Moller, Herbert T. | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 2003 |
| 19181 | Mollett Oil Productions, LLC | Thelma, KY 41260 | Oil Operator | Dec 2020 |
| 19182 | Molly Oil & Gas, LLC | Dallas, TX 75209 | Oil & Gas Operator | Sep 2024 |
| 19183 | Molopo Energy Texas, LLC | Canada, 00100 | Oil & Gas Operator | Jan 2015 |
| 19184 | Molsdorf Ag LLC | McAllen, TX 78503 | Oil Operator | Sep 2013 |
| 19185 | Molz Oil Company | Kiowa, KS 67070 | Oil & Gas Operator | Jul 2024 |
| 19186 | Momentum Energy Corporation | Austin, TX 78746 | Oil & Gas Operator | Sep 2024 |
| 19187 | Momentum Energy, LLC | Midland, TX 79702 | Oil & Gas Operator | Feb 2004 |
| 19188 | Momentum Oil & Gas, LLC | The Woodlands, TX 77382 | Oil & Gas Operator | May 2015 |
| 19189 | Momentum Oil Company | Albany, TX 76430 | Oil & Gas Operator | May 2003 |
| 19190 | Momentum Operating Co., Inc. | Albany, TX 76430 | Oil & Gas Operator | Sep 2024 |
| 19191 | Momentum Production Corp. | Baytown, TX 77521 | Oil & Gas Operator | Sep 2024 |
| 19192 | Mon Corp. | Pampa, TX 79066 | Oil & Gas Operator | Sep 2024 |
| 19193 | Mon-Oil Inc | | Oil & Gas Operator | Apr 1996 |
| 19194 | Monadnock Resources Op Co, LLC | Dallas, TX 75209 | Oil & Gas Operator | Jan 2021 |
| 19195 | Monadnock Resources, LLC | Addison, TX 75001 | Oil & Gas Operator | May 2020 |
| 19196 | Monago Operating Inc | | Oil & Gas Operator | Mar 2017 |
| 19197 | Monahan | | Oil Operator | Dec 2009 |
| 19198 | Monahan Rex | Sterling, CO 80751 | Oil & Gas Operator | Jun 2002 |
| 19199 | Monahan* Rex Family Trust | | Oil & Gas Operator | Sep 2010 |
| 19200 | Monarch Energy C | | Oil Operator | Nov 1987 |