| 19701 | Miss Lou Oil Producers, Inc. | | Oil & Gas Operator | Dec 1998 |
| 19702 | Miss-Lou Operating LLC | | Oil & Gas Operator | Jan 2025 |
| 19703 | Miss-Lou Petroleum LLC | | Oil & Gas Operator | Jun 2011 |
| 19704 | Missala Inc | | Oil & Gas Operator | Dec 1995 |
| 19705 | Missaukee Oil And Gas Company LLC | | Oil & Gas Operator | Jan 2025 |
| 19706 | Missing Moon Oil Inc | Knox, PA 16232-4507 | Oil & Gas Operator | Dec 2024 |
| 19707 | Mission Creek Opco, LLC | Magnolia, AR 71753 | Oil & Gas Operator | Jan 2025 |
| 19708 | Mission Energy Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 19709 | Mission Exploration, Inc. | Tolar, TX 76476 | Oil & Gas Operator | Dec 1987 |
| 19710 | Mission Leasing LTD | Tulsa, OK 74136 | Oil Operator | Dec 2000 |
| 19711 | Mission Oil & Gas | Pawhuska, OK 74056 | Oil Operator | May 2013 |
| 19712 | Mission Oil Company | | Oil & Gas Operator | Dec 2024 |
| 19713 | Mission Resources | | Oil & Gas Operator | Dec 1991 |
| 19714 | Mission Resources Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 19715 | Mission River Systems, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Apr 2025 |
| 19716 | Mississippi Resources, LLC Dba MSR Operating, LLC | | Oil & Gas Operator | May 2021 |
| 19717 | Mississippi River Transm. Corp | | Oil & Gas Operator | Sep 2002 |
| 19718 | Mississippi Valley Gas Co | | Oil & Gas Operator | Aug 1984 |
| 19719 | Mississippi Ventures | | Gas Operator | Feb 1992 |
| 19720 | Mississippi Ventures, Inc. | Granbury, TX 76048 | Gas Operator | Jul 1997 |
| 19721 | Missouri Basin Well Service, Inc. | Belfield, ND 58622 | Oil & Gas Operator | Jan 2018 |
| 19722 | Missouri Breaks, LLC | | Oil & Gas Operator | Jun 2011 |
| 19723 | Missouri River R | | Gas Operator | Jun 1993 |
| 19724 | Missouri River Resources ND, LLC | | Oil & Gas Operator | Feb 2025 |
| 19725 | Missouri River Royalty Corporation | Bismarck, ND 58504 | Oil & Gas Operator | Feb 2025 |
| 19726 | Mist Prod. & Exploration Corp. | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 19727 | Mistex Operating, Inc. | Lewisville, TX 75029 | Oil & Gas Operator | Apr 2025 |
| 19728 | Mitch Well Energy Inc | Waterford, PA 16441-8143 | Oil & Gas Operator | Dec 2012 |
| 19729 | Mitchell And R. E. Mitchel | | Oil Operator | Feb 2000 |
| 19730 | Mitchell Cecil D | Haskell, OK 74436-7667 | Oil & Gas Operator | Apr 2020 |
| 19731 | Mitchell Drilling Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Nov 2000 |
| 19732 | Mitchell Ehrlich Oil & Gas, LLC | Austin, TX 78746 | Oil & Gas Operator | Apr 2025 |
| 19733 | Mitchell Energy | | Oil & Gas Operator | Dec 1996 |
| 19734 | Mitchell Energy & Goodrich Oil | | Oil & Gas Operator | Feb 1985 |
| 19735 | Mitchell Energy Company L.P. | Spring, TX 77387 | Oil & Gas Operator | Mar 2008 |
| 19736 | Mitchell Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Aug 2013 |
| 19737 | Mitchell James D | Bartlesville, OK 74006-7610 | Oil Operator | Jan 2025 |
| 19738 | Mitchell M J | | Oil & Gas Operator | Jan 1983 |
| 19739 | Mitchell Martha | Henryetta, OK 74437-0488 | Oil & Gas Operator | Apr 2011 |
| 19740 | Mitchell Oil | | Oil Operator | Dec 2024 |
| 19741 | Mitchell Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Nov 2000 |
| 19742 | Mitchell Resources, Inc. | Addison, TX 75001 | Oil & Gas Operator | Aug 2003 |
| 19743 | Mitchell Wyatt B | | Oil Operator | Aug 1993 |
| 19744 | Mitchell, James - Operator | Lamesa, TX 79331 | Oil & Gas Operator | Mar 2008 |
| 19745 | Mitchell-Grossu Oil Co. | | Oil & Gas Operator | Sep 2023 |
| 19746 | Mitchwil Investments LLC | | Oil & Gas Operator | Dec 2019 |
| 19747 | Miti-Mini Inc | Wetumka, OK 74883-6172 | Gas Operator | Jul 2016 |
| 19748 | Mito Resources LLC | Edmond, OK 73013 | Oil & Gas Operator | Feb 2025 |
| 19749 | Mito Resources TX LLC | Edmond, OK 73013 | Oil & Gas Operator | Apr 2025 |
| 19750 | Mitsui E&P USA LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2025 |
| 19751 | Miura Petroleum | | Oil Operator | Dec 1992 |
| 19752 | Miura Petroleum, Inc. | Topeka, KS 66603 | Oil & Gas Operator | May 2006 |
| 19753 | Miway Operations | Russell, KS 67665 | Oil Operator | Aug 1994 |
| 19754 | Mixon, Robert N. | Lometa, TX 76853 | Oil & Gas Operator | Apr 2025 |
| 19755 | Mize Energy Producers, LLC | | Oil & Gas Operator | Nov 2024 |
| 19756 | Mize Operations, LLC. | | Oil & Gas Operator | Dec 2018 |
| 19757 | MJ Energy Company, LLC | Kilgore, TX 75663 | Oil Operator | Apr 2025 |
| 19758 | MJ Energy, LLC | Denver, CO 80206 | Oil Operator | Jan 2025 |
| 19759 | MJ Energy, LLC Of Arkansas | | Oil Operator | Jan 2025 |
| 19760 | MJ Goetz Bonding, LLC | Bartlesville, OK 74006 | Oil Operator | Jan 2025 |
| 19761 | MJ Oil Company | Minerva, OH 44657 | Oil & Gas Operator | Dec 2008 |
| 19762 | MJ Oil, Inc. | Houston, TX 77265 | Oil & Gas Operator | Apr 2025 |
| 19763 | MJB Oil Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Apr 2025 |
| 19764 | MJB Production Company, Inc. | Brownfield, TX 79316 | Oil & Gas Operator | Apr 2025 |
| 19765 | MJM Oil & Gas, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Aug 2003 |
| 19766 | MJM Resources Inc | Norman, OK 73072 | Oil & Gas Operator | Feb 2025 |
| 19767 | MJT Oil | | Oil Operator | Dec 2024 |
| 19768 | MK Operating Co. | Pampa, TX 79065 | Oil & Gas Operator | Jun 2014 |
| 19769 | MK Operating Company LLC | Cedar Park, TX 78613 | Oil & Gas Operator | Apr 2025 |
| 19770 | Mka Oil Properties | Midland, TX 79701 | Oil & Gas Operator | Sep 1997 |
| 19771 | Mke Producing Inc | Canton, OH 44735 | Oil & Gas Operator | Dec 2024 |
| 19772 | MKG Marketing Co | Oklahoma City, OK 73102 | Gas Operator | Feb 2006 |
| 19773 | MKJ Oil Co LLC | Harper, KS 67058 | Oil & Gas Operator | Dec 2024 |
| 19774 | MKS Consulting Corporation | Weatherford, TX 76086 | Oil & Gas Operator | Jul 2005 |
| 19775 | MKS Natural Gas Company | Weatherford, TX 76086 | Oil & Gas Operator | Mar 2016 |
| 19776 | ML Resources, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Mar 2008 |
| 19777 | MLB Operating Services, LLC | Tenn Colony, TX 75861 | Oil & Gas Operator | Apr 2025 |
| 19778 | MLC Co., Inc. | Dallas, TX 75201 | Oil & Gas Operator | Dec 1996 |
| 19779 | MLC Operating, LP | Houston, TX 77063 | Oil & Gas Operator | Apr 2025 |
| 19780 | MLC Resources LLC | Kingfisher, OK 73750-0364 | Oil & Gas Operator | Jan 2025 |
| 19781 | MLF, Inc. | Houston, TX 77096 | Gas Operator | Nov 2009 |
| 19782 | MLGW | | Gas Operator | Sep 1984 |
| 19783 | MLT Energy, LLC | Derby, KS 67037 | Oil Operator | Jan 2025 |
| 19784 | MLX Operating, Inc. | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2021 |
| 19785 | MM China Star Oil Co., LLC | Woodway, TX 76712 | Oil & Gas Operator | Apr 2025 |
| 19786 | MMD Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Dec 2000 |
| 19787 | MMG Oil Company | Buffalo Gap, TX 79508 | Oil & Gas Operator | Aug 2006 |
| 19788 | MMGL East Texas II, LLC | Dallas, TX 75240 | Oil & Gas Operator | Apr 2025 |
| 19789 | MMGL East Texas III, LLC | Dallas, TX 75240 | Oil & Gas Operator | Apr 2025 |
| 19790 | MMGL TXPH, LLC | Dallas, TX 75240 | Oil & Gas Operator | Apr 2025 |
| 19791 | Mna Enterprises LTD. Co. | Hobbs, NM 88242 | Oil & Gas Operator | Apr 2025 |
| 19792 | Mo-Jon, Inc. | Edroy, TX 78352 | Oil & Gas Operator | May 1999 |
| 19793 | Mo-Kan Oil Group | St. Louis, MO 63131 | Oil Operator | Sep 2001 |
| 19794 | Mo-Ky | | Oil Operator | Dec 1982 |
| 19795 | Moabb Oil Corp | | Oil & Gas Operator | Apr 1998 |
| 19796 | Mob Corp | Waynesburg, PA 15370-2036 | Gas Operator | Dec 2007 |
| 19797 | Mobay Storage Hub LLC | | Gas Operator | Oct 2008 |
| 19798 | Mobeetie Resource Dev LLC | Booker, TX 79005 | Oil & Gas Operator | Apr 2025 |
| 19799 | Mobil E&P N.A.-Pel-Tex | | Oil & Gas Operator | Dec 1993 |
| 19800 | Mobil E&P N.A.-WM Scully Et Al | | Oil & Gas Operator | Dec 1993 |