| 18801 | Midnight Drilling LLC | | Oil & Gas Operator | Jan 2016 |
| 18802 | Midnight Energy Operating LLC | Sand Springs, OK 74063 | Oil Operator | May 2026 |
| 18803 | Midnight Hour LLC | Enid, OK 73702 | Oil & Gas Operator | Apr 2020 |
| 18804 | Midnight Well Se | | Oil Operator | Sep 1994 |
| 18805 | Midnite Oil Co. | Wichita Falls, TX 76310 | Oil & Gas Operator | Jul 2026 |
| 18806 | Midpar L.P. | Midland, TX 79702 | Oil & Gas Operator | Feb 1995 |
| 18807 | Midroc Oil Company Et Al | | Oil Operator | Nov 1984 |
| 18808 | Midroc Operating Co. & Watkins, H. Vaughan, Jr. | | Oil & Gas Operator | Feb 2010 |
| 18809 | Midroc Operating Co. & Watkins, H. Vaughan, Jr. & Placid Oil Co. | | Oil & Gas Operator | May 1991 |
| 18810 | Midroc Operating Company | | Oil & Gas Operator | Apr 2013 |
| 18811 | Midsco | Cross Plains, TX 76443 | Oil & Gas Operator | Jul 2026 |
| 18812 | Midstar Energy Corporation | Spring, TX 77379 | Oil Operator | Jul 2026 |
| 18813 | Midstate Employment Services LLC | | Oil Operator | Apr 2024 |
| 18814 | Midstate Energy Inc | | Oil & Gas Operator | Aug 2017 |
| 18815 | Midstate Oil & Gas Company | Shawnee, OK 74801 | Oil & Gas Operator | Apr 2026 |
| 18816 | Midstates Corporation | San Antonio, TX 78217 | Oil & Gas Operator | Jul 2026 |
| 18817 | Midstates Energy Operating, LLC | FT Myers, FL 33912 | Oil Operator | Mar 2026 |
| 18818 | Midstates Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Nov 2000 |
| 18819 | Midstates Petroleum Company LLC | Tulsa, OK 74103 | Oil & Gas Operator | May 2018 |
| 18820 | Midstates Petroleum Corp. | | Oil & Gas Operator | Dec 2008 |
| 18821 | Midville Energy, LLC. | Midland, TX 79705 | Oil & Gas Operator | Jul 2024 |
| 18822 | Midway City Gas Company | Huntington, WV 25701 | Oil & Gas Operator | Dec 2018 |
| 18823 | Midway Drilling | | Oil & Gas Operator | Dec 1996 |
| 18824 | Midway Drilling Co. | Richmond, TX 77469 | Oil & Gas Operator | Jul 2026 |
| 18825 | Midway Energy Partners Operating LLC | Midland, TX 79701 | Oil Operator | Jul 2026 |
| 18826 | Midway Energy, LLC | Thermopolis, WY 82443 | Oil Operator | Apr 2026 |
| 18827 | Midway Leasing Inc | Haskell, OK 74436-2406 | Oil & Gas Operator | Jan 2024 |
| 18828 | Midway Operating Co. | Great Bend, KS 67530 | Oil Operator | Jan 1998 |
| 18829 | Midway Operating Company, L.L.C. | Woodward, OK 73802 | Oil & Gas Operator | Jul 2026 |
| 18830 | Midway Production Co. | | Gas Operator | May 1990 |
| 18831 | Midway Terrel Operating Co | | Oil & Gas Operator | Dec 1999 |
| 18832 | Midway-Sunset Investors LLC | | Oil & Gas Operator | May 2026 |
| 18833 | Midwest Energy Companies, Inc. | | Oil & Gas Operator | Feb 1998 |
| 18834 | Midwest Energy Corporation | Tulsa, OK 74105-6083 | Oil & Gas Operator | Aug 2016 |
| 18835 | Midwest Enterprises Inc | Cashion, OK 73016-9626 | Oil & Gas Operator | Apr 2025 |
| 18836 | Midwest Eor Inc | Tulsa, OK 74105-6059 | Oil & Gas Operator | May 2013 |
| 18837 | Midwest Exploration Inc | Villa Park, IL 60181 | Oil & Gas Operator | Dec 1990 |
| 18838 | Midwest Oil & Gas | Columbus, OH 43220-1836 | Oil & Gas Operator | Dec 2021 |
| 18839 | Midwest Oil Company | Beggs, OK 74421-2976 | Oil Operator | Apr 2015 |
| 18840 | Midwest Oil, LLC | Destin, FL 32541 | Oil Operator | Sep 2025 |
| 18841 | Midwest Operating Company Inc | Tulsa, OK 74105-6059 | Oil & Gas Operator | Nov 1999 |
| 18842 | Midwest Pipe & Supply Company | Oklahoma City, OK 73154-0245 | Oil & Gas Operator | Dec 2008 |
| 18843 | Midwest Radiant Oil & Gas Co | | Oil Operator | Dec 2014 |
| 18844 | Midwest Turf | El Dorado, KS 67042 | Oil Operator | Jun 1998 |
| 18845 | Midwestern Energy | Mankato, MN 56003 | Oil & Gas Operator | Jul 2026 |
| 18846 | Midwestern Exploration Company | Edmond, OK 73013 | Oil & Gas Operator | May 2025 |
| 18847 | Midwestern Oil C | | Oil & Gas Operator | May 1995 |
| 18848 | Midwestern Suppl | | Oil Operator | Oct 1986 |
| 18849 | Mieka LLC | Flower Mound, TX 75028-7446 | Oil & Gas Operator | Dec 2014 |
| 18850 | Miesch Exploration Corporation | Dallas, TX 75229 | Oil & Gas Operator | Nov 2002 |
| 18851 | Migwis | Great Bend, KS 67530 | Oil Operator | Mar 1988 |
| 18852 | Migwis Operating LLC | Cushing, OK 74023-4854 | Oil & Gas Operator | Oct 2020 |
| 18853 | Mihalik Paul | Madison, OH 44057 | Oil & Gas Operator | Dec 2025 |
| 18854 | Mija LLC | Oklahoma City, OK 73151 | Oil & Gas Operator | May 2026 |
| 18855 | Mikal R Brown Oil LLC | Cleveland, OK 74020-6475 | Oil Operator | Dec 2022 |
| 18856 | Mikarden Energy Inc | Sapulpa, OK 74066 | Oil Operator | Mar 2026 |
| 18857 | Mikco Inc | Tulsa, OK 74133 | Oil & Gas Operator | May 2001 |
| 18858 | Mike Blaes & Peggy Blaes, A General Partnership | Cherryvale, KS 67335 | Oil Operator | Mar 2025 |
| 18859 | Mike Bonner | | Oil Operator | Aug 1999 |
| 18860 | Mike Kelso Oil, Inc. | Chase, KS 67524 | Oil & Gas Operator | Mar 2026 |
| 18861 | Mike Oil LLC | Colorado City, TX 79512 | Oil Operator | Jul 2026 |
| 18862 | Miken Oil, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Jul 2026 |
| 18863 | Mikol Oil LLC | Hays, KS 67601 | Oil Operator | Mar 2026 |
| 18864 | Mil-Cro Inc. | | Oil Operator | Jan 1994 |
| 18865 | Milagro Exploration, LLC | Houston, TX 77010 | Oil & Gas Operator | Aug 2018 |
| 18866 | Milam Oil Corp Dba Milam Construction | El Dorado, AR 71730 | Oil & Gas Operator | Jan 2025 |
| 18867 | Milam, Inc. | Oklahoma City, OK 73118 | Oil & Gas Operator | Jul 2026 |
| 18868 | Milburn R Kenneth | Ardmore, OK 73402-1118 | Oil & Gas Operator | Sep 2014 |
| 18869 | Milburn Robert G | Countyline, OK 73025 | Oil Operator | Apr 2020 |
| 18870 | Milburn, Harold J. | Hutchinson, KS 67502 | Oil & Gas Operator | Sep 2003 |
| 18871 | Mild Oil Company | Duncan, OK 73533-9532 | Oil Operator | Mar 2000 |
| 18872 | Miles Oil & Gas Co. | | Oil & Gas Operator | Feb 1988 |
| 18873 | Miles Production Co. | Argyle, TX 76226 | Oil & Gas Operator | Mar 2008 |
| 18874 | Milestone Operating, Inc. | Montgomery, TX 77316 | Oil & Gas Operator | Jul 2026 |
| 18875 | Milestone Pet/El Paso Expl | | Oil & Gas Operator | Jul 1985 |
| 18876 | Miley Gas Company | Sarahsville, OH 43779 | Gas Operator | Dec 2025 |
| 18877 | Milford Oil Co | Tatum, NM 88267 | Oil & Gas Operator | Feb 1995 |
| 18878 | Mill Branch Partners | Prestonsburg, KY 41653 | Oil & Gas Operator | Dec 2024 |
| 18879 | Millennium Exploration Co. LLC | San Antonio, TX 78232 | Oil & Gas Operator | Jul 2026 |
| 18880 | Millennium Minerals Corporation | Fredericksbrg, TX 78624 | Oil Operator | Jul 2026 |
| 18881 | Millennium Offshore Group, Inc. | Houston, TX 77007 | Oil & Gas Operator | Sep 2005 |
| 18882 | Millennium Oil & Gas Inc | Dexter, KS 67038 | Oil & Gas Operator | Dec 2025 |
| 18883 | Millennium Oil & Gas LLC | Denver, CO 80203 | Oil & Gas Operator | Oct 2025 |
| 18884 | Millennium Operating Company | Houston, TX 77057 | Oil & Gas Operator | Jul 2026 |
| 18885 | Millennium Petro-Physics, Inc. | Corpus Chrsti, TX 78480 | Oil & Gas Operator | Jul 2026 |
| 18886 | Millennium Resources, LLC. | Big Lake, TX 76932 | Oil & Gas Operator | Sep 2012 |
| 18887 | Millennium Resources, LP | Midland, TX 79708 | Oil Operator | Jul 2026 |
| 18888 | Miller & Stanley Oper Co | Amarillo, TX 79114 | Oil & Gas Operator | Sep 2014 |
| 18889 | Miller B Investments | Tulsa, OK 74170 | Oil & Gas Operator | Nov 2007 |
| 18890 | Miller Bros Oil Company, Inc. | Burlington, KS 66839 | Oil Operator | Dec 2009 |
| 18891 | Miller Brothers | | Oil & Gas Operator | Nov 2000 |
| 18892 | Miller Brothers And Federal Oil Co | | Oil Operator | May 1984 |
| 18893 | Miller Brothers And Total Petroleum And Wiser Oil | | Oil & Gas Operator | Sep 1991 |
| 18894 | Miller Energy Company II LLC | | Oil & Gas Operator | Apr 2026 |
| 18895 | Miller Energy Inc | Houston, TX 77024 | Oil & Gas Operator | Oct 2016 |
| 18896 | Miller Energy LLC | Garnett, KS 66032 | Oil Operator | Apr 2026 |
| 18897 | Miller Exploration Company | Tulsa, OK 74136-1020 | Oil & Gas Operator | Mar 2015 |
| 18898 | Miller I O Incor | | Oil & Gas Operator | Apr 1991 |
| 18899 | Miller Joe B | Lawton, OK 73507 | Oil Operator | Apr 2026 |
| 18900 | Miller John Production | Bristow, OK 74010-2455 | Oil & Gas Operator | Jul 2016 |