| 18901 | Miracle Production Inc | Yukon, OK 73085-0680 | Oil & Gas Operator | Jun 2007 |
| 18902 | Mirage Energy Inc | Eunice, NM 88231 | Oil & Gas Operator | Apr 2011 |
| 18903 | Miramar Petroleum, Inc. | Corpus Chrsti, TX 78463 | Oil & Gas Operator | Sep 2017 |
| 18904 | Miranda Energy Corporation | Midland, TX 79705 | Oil & Gas Operator | Jun 2016 |
| 18905 | Mirando Resource, L.L.C. | Freer, TX 78357 | Oil & Gas Operator | Jun 2026 |
| 18906 | Miresco, Inc. | Houston, TX 77060 | Oil & Gas Operator | Jan 1995 |
| 18907 | Misahar Investments | Evergreen, CO 80439 | Oil Operator | Dec 1992 |
| 18908 | Misc Oil Co | Oilmont, MT 59466 | Oil Operator | Dec 2025 |
| 18909 | Misener Operating, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2010 |
| 18910 | Mishler Oil | | Oil Operator | May 1989 |
| 18911 | Miss Basin Oil & Gas Company | | Oil Operator | Jan 1985 |
| 18912 | Miss Chub LLC | | Gas Operator | Dec 2024 |
| 18913 | Miss-Lou Oil Producers Inc | | Oil & Gas Operator | Dec 1998 |
| 18914 | Miss-Lou Operating LLC | | Oil & Gas Operator | Feb 2026 |
| 18915 | Miss-Lou Petroleum LLC | | Oil & Gas Operator | Jun 2011 |
| 18916 | Missala Inc | | Oil & Gas Operator | Dec 1995 |
| 18917 | Missaukee Oil And Gas Company LLC | | Oil & Gas Operator | Feb 2026 |
| 18918 | Missing Moon Oil Inc | Knox, PA 16232-4507 | Oil & Gas Operator | Dec 2025 |
| 18919 | Mission Creek Opco, LLC | Magnolia, AR 71753 | Oil & Gas Operator | Jan 2025 |
| 18920 | Mission Energy Inc. | Midland, TX 79702 | Oil & Gas Operator | Jun 2026 |
| 18921 | Mission Exploration, Inc. | Fate, TX 75132 | Oil & Gas Operator | Dec 1987 |
| 18922 | Mission Leasing LTD | Tulsa, OK 74136 | Oil Operator | Dec 2000 |
| 18923 | Mission Oil & Gas | Pawhuska, OK 74056 | Oil Operator | May 2013 |
| 18924 | Mission Oil Company | | Oil & Gas Operator | Feb 2026 |
| 18925 | Mission Resources | | Oil & Gas Operator | Dec 1991 |
| 18926 | Mission Resources Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 18927 | Mission River Systems, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Jun 2026 |
| 18928 | Mississippi Resources, LLC Dba MSR Operating, LLC | | Oil & Gas Operator | May 2021 |
| 18929 | Mississippi River Transm. Corp | | Oil & Gas Operator | Sep 2002 |
| 18930 | Mississippi Valley Gas Co | | Oil & Gas Operator | Aug 1984 |
| 18931 | Mississippi Ventures | | Gas Operator | Feb 1992 |
| 18932 | Mississippi Ventures, Inc. | Granbury, TX 76048 | Gas Operator | Jul 1997 |
| 18933 | Missouri Basin Well Service, Inc. | Belfield, ND 58622 | Oil & Gas Operator | Jan 2018 |
| 18934 | Missouri Breaks, LLC | | Oil & Gas Operator | Jun 2011 |
| 18935 | Missouri River Resources ND, LLC | | Oil & Gas Operator | Apr 2026 |
| 18936 | Missouri River Royalty Corporation | Bismarck, ND 58504 | Oil & Gas Operator | Apr 2026 |
| 18937 | Mist Prod. & Exploration Corp. | Midland, TX 79702 | Oil & Gas Operator | Jun 2026 |
| 18938 | Mistex Operating, Inc. | Lewisville, TX 75029 | Oil & Gas Operator | Jun 2026 |
| 18939 | Mitch Well Energy Inc | Waterford, PA 16441-8143 | Oil & Gas Operator | Dec 2012 |
| 18940 | Mitchell And R. E. Mitchel | | Oil Operator | Feb 2000 |
| 18941 | Mitchell Cecil D | Haskell, OK 74436-7667 | Oil & Gas Operator | Apr 2020 |
| 18942 | Mitchell Drilling Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Nov 2000 |
| 18943 | Mitchell Ehrlich Oil & Gas, LLC | Austin, TX 78746 | Oil & Gas Operator | Jun 2026 |
| 18944 | Mitchell Energy | | Oil & Gas Operator | Dec 1996 |
| 18945 | Mitchell Energy & Goodrich Oil | | Oil & Gas Operator | Feb 1985 |
| 18946 | Mitchell Energy Company L.P. | Spring, TX 77387 | Oil & Gas Operator | Mar 2008 |
| 18947 | Mitchell Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Aug 2013 |
| 18948 | Mitchell M J | | Oil & Gas Operator | Jan 1983 |
| 18949 | Mitchell Martha | Henryetta, OK 74437-0488 | Oil & Gas Operator | Apr 2011 |
| 18950 | Mitchell Oil | | Oil Operator | Dec 2025 |
| 18951 | Mitchell Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Nov 2000 |
| 18952 | Mitchell Resources, Inc. | Addison, TX 75001 | Oil & Gas Operator | Aug 2003 |
| 18953 | Mitchell Wyatt B | | Oil Operator | Aug 1993 |
| 18954 | Mitchell, James - Operator | Lamesa, TX 79331 | Oil & Gas Operator | Mar 2008 |
| 18955 | Mitchell-Grossu Oil Co. | | Oil & Gas Operator | Sep 2023 |
| 18956 | Mitchwil Investments LLC | | Oil & Gas Operator | Dec 2019 |
| 18957 | Mito Resources LLC | Edmond, OK 73013 | Oil & Gas Operator | Mar 2026 |
| 18958 | Mito Resources TX LLC | Edmond, OK 73013 | Oil & Gas Operator | Jun 2026 |
| 18959 | Mitsui E&P USA LLC | Houston, TX 77056 | Oil & Gas Operator | Jun 2026 |
| 18960 | Miura Petroleum | | Oil Operator | Dec 1992 |
| 18961 | Miura Petroleum Inc | Topeka, KS 66603 | Oil & Gas Operator | May 2006 |
| 18962 | Miway Operations | Russell, KS 67665 | Oil Operator | Aug 1994 |
| 18963 | Mixon, Robert N. | Lometa, TX 76853 | Oil & Gas Operator | Jun 2026 |
| 18964 | Mize Energy Producers, LLC | | Oil & Gas Operator | Oct 2025 |
| 18965 | Mize Operations, LLC. | | Oil & Gas Operator | Dec 2018 |
| 18966 | MJ Energy Company, LLC | Kilgore, TX 75663 | Oil Operator | Jun 2026 |
| 18967 | MJ Energy LLC | Denver, CO 80206 | Oil Operator | Jan 2025 |
| 18968 | MJ Energy, LLC Of Arkansas | | Oil Operator | Jan 2025 |
| 18969 | MJ Goetz Bonding, LLC | Bartlesville, OK 74006 | Oil Operator | Mar 2026 |
| 18970 | MJ Oil, Inc. | Houston, TX 77265 | Oil & Gas Operator | Jun 2026 |
| 18971 | MJB Oil Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Jun 2026 |
| 18972 | MJB Production Company, Inc. | Brownfield, TX 79316 | Oil & Gas Operator | Jun 2026 |
| 18973 | MJM Oil & Gas, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Aug 2003 |
| 18974 | MJM Resources Inc | Norman, OK 73072 | Oil & Gas Operator | Mar 2026 |
| 18975 | MJT Oil | | Oil Operator | Feb 2026 |
| 18976 | MK Operating Co. | Pampa, TX 79065 | Oil & Gas Operator | Jun 2014 |
| 18977 | MK Operating Company LLC | Cedar Park, TX 78613 | Oil & Gas Operator | Jun 2026 |
| 18978 | Mke Producing Inc | Canton, OH 44735 | Oil & Gas Operator | Dec 2025 |
| 18979 | MKJ Oil Co LLC | Harper, KS 67058 | Oil & Gas Operator | Feb 2026 |
| 18980 | MKM Services Inc | | Oil Operator | Apr 2026 |
| 18981 | MKS Consulting Corporation | Weatherford, TX 76086 | Oil & Gas Operator | Jul 2005 |
| 18982 | MKS Natural Gas Company | Weatherford, TX 76086 | Oil & Gas Operator | Mar 2016 |
| 18983 | ML Resources, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Mar 2008 |
| 18984 | MLB Operating Services, LLC | Tenn Colony, TX 75861 | Oil & Gas Operator | Jun 2026 |
| 18985 | MLC Co., Inc. | Dallas, TX 75201 | Oil & Gas Operator | Dec 1996 |
| 18986 | MLC Operating, LP | Houston, TX 77063 | Oil & Gas Operator | Jun 2026 |
| 18987 | MLC Resources LLC | Kingfisher, OK 73750-0364 | Oil & Gas Operator | Feb 2026 |
| 18988 | MLF, Inc. | Houston, TX 77096 | Gas Operator | Nov 2009 |
| 18989 | MLGW | | Gas Operator | Sep 1984 |
| 18990 | MLT Energy, LLC | Derby, KS 67037 | Oil Operator | Feb 2026 |
| 18991 | MLX Operating, Inc. | Bridgeport, WV 26330 | Oil & Gas Operator | Dec 2021 |
| 18992 | MM China Star Oil Co., LLC | Woodway, TX 76712 | Oil & Gas Operator | Jun 2026 |
| 18993 | MMD Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Dec 2000 |
| 18994 | MMG Oil Company | Buffalo Gap, TX 79508 | Oil & Gas Operator | Aug 2006 |
| 18995 | MMGL East Texas II, LLC | Dallas, TX 75240 | Oil & Gas Operator | Jun 2026 |
| 18996 | MMGL East Texas III, LLC | Dallas, TX 75240 | Oil & Gas Operator | Jun 2026 |
| 18997 | MMGL MT I, LLC | Dallas, TX 75240 | Oil & Gas Operator | Mar 2026 |
| 18998 | MMGL TXPH, LLC | Dallas, TX 75240 | Oil & Gas Operator | Jun 2026 |
| 18999 | Mna Enterprises LTD. Co. | Hobbs, NM 88242 | Oil & Gas Operator | Jan 2026 |
| 19000 | Mo-Jon, Inc. | Edroy, TX 78352 | Oil & Gas Operator | May 1999 |