| 1701 | Minerva Oil Company | Tulsa, OK 74152-0858 | Oil & Gas Operator | Mar 2015 |
| 1702 | Minexprod LLC | Katy, TX 77494 | Oil Operator | Dec 2025 |
| 1703 | Mingo Oil Producers | Salt Lake City, UT 84111 | Oil & Gas Operator | Nov 1987 |
| 1704 | Mingus Oil & Gas | Mingus, TX 76463 | Oil & Gas Operator | Dec 2025 |
| 1705 | Minihan Oil & Gas Corporation | Midland, TX 79704 | Oil & Gas Operator | Apr 2004 |
| 1706 | Minihan Oil & Gas LTD. | Denver, CO 80202 | Oil & Gas Operator | Jul 2006 |
| 1707 | Minihan Oil And Gas Company | Seminole, OK 74868-9790 | Oil & Gas Operator | Sep 2014 |
| 1708 | Minihan Production Co | Seminole, OK 74868 | Oil & Gas Operator | Jan 1997 |
| 1709 | Mink Oil Company | | Oil Operator | Nov 2003 |
| 1710 | Mink Richard | Cement, OK 73017 | Oil & Gas Operator | Aug 2025 |
| 1711 | Mink, Jay, Oil Co. | Electra, TX 76360 | Oil & Gas Operator | Aug 2017 |
| 1712 | Minnelusa Oil LLC | Temecula, CA 92589 | Oil Operator | Feb 2002 |
| 1713 | Minner Oil Field Service | | Oil Operator | Jul 2008 |
| 1714 | Minor Jr W T | Wichita Falls, TX 76307 | Oil Operator | Nov 1998 |
| 1715 | Minor Mark | FT Worth, TX 76116-1003 | Oil Operator | Nov 2015 |
| 1716 | Minteer & Baker Gas Enterprise | Kittanning, PA 16201-5022 | Gas Operator | Dec 2024 |
| 1717 | Minter Lee M | Bradford, PA 16701-3763 | Gas Operator | Dec 1991 |
| 1718 | Minton Oil & Gas Properties | Graford, TX 76449 | Gas Operator | Dec 2025 |
| 1719 | Minuja Oil And Gas LLC | Corpus Christi, TX 78401 | Oil & Gas Operator | Sep 1996 |
| 1720 | Minute Hand LLC | Brenham, TX 77834 | Oil & Gas Operator | Dec 2025 |
| 1721 | Minuteman Energy, LLC | Georgetown, TX 78633 | Oil & Gas Operator | Feb 2015 |
| 1722 | Minyak Producing Company, Inc. | Sabine Pass, TX 77655 | Oil & Gas Operator | Dec 2025 |
| 1723 | Miocene Oil & Gas, Inc. | Englewood, CO 80155 | Oil & Gas Operator | Jul 1998 |
| 1724 | Miocene Oil & Gas, LTD. | Englewood, CO 80110 | Oil & Gas Operator | Dec 2025 |
| 1725 | Mir-Tex Energy Corp. | Mirando City, TX 78369 | Oil & Gas Operator | Aug 2003 |
| 1726 | Miracle Petroleum LLC | | Oil & Gas Operator | Oct 2018 |
| 1727 | Miracle Production Inc | Yukon, OK 73085-0680 | Oil & Gas Operator | Jun 2007 |
| 1728 | Mirage Energy Inc | Eunice, NM 88231 | Oil & Gas Operator | Apr 2011 |
| 1729 | Miramar Petroleum, Inc. | Corpus Chrsti, TX 78463 | Oil & Gas Operator | Sep 2017 |
| 1730 | Miranda Energy Corporation | Midland, TX 79705 | Oil & Gas Operator | Jun 2016 |
| 1731 | Mirando Crude Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Jul 1994 |
| 1732 | Mirando Resource, L.L.C. | Freer, TX 78357 | Oil & Gas Operator | Dec 2025 |
| 1733 | Miresco, Inc. | Houston, TX 77060 | Oil & Gas Operator | Jan 1995 |
| 1734 | Misahar Investments | Evergreen, CO 80439 | Oil Operator | Dec 1992 |
| 1735 | Misc Oil Co | Oilmont, MT 59466 | Oil Operator | Jul 2025 |
| 1736 | Misener Operating, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2010 |
| 1737 | Mishler Oil | | Oil Operator | May 1989 |
| 1738 | Miss Basin Oil & Gas Company | | Oil Operator | Jan 1985 |
| 1739 | Miss Chub LLC | | Gas Operator | Dec 2024 |
| 1740 | Miss-Lou Oil Producers Inc | | Oil & Gas Operator | Dec 1998 |
| 1741 | Miss-Lou Operating LLC | | Oil & Gas Operator | Sep 2025 |
| 1742 | Miss-Lou Petroleum LLC | | Oil & Gas Operator | Jun 2011 |
| 1743 | Missala Inc | | Oil & Gas Operator | Dec 1995 |
| 1744 | Missaukee Oil And Gas Company LLC | | Oil & Gas Operator | Sep 2025 |
| 1745 | Missing Moon Oil Inc | Knox, PA 16232-4507 | Oil & Gas Operator | Dec 2024 |
| 1746 | Mission Creek Opco, LLC | Magnolia, AR 71753 | Oil & Gas Operator | Jan 2025 |
| 1747 | Mission Energy Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 1748 | Mission Exploration, Inc. | Fate, TX 75132 | Oil & Gas Operator | Dec 1987 |
| 1749 | Mission Leasing LTD | Tulsa, OK 74136 | Oil Operator | Dec 2000 |
| 1750 | Mission Oil & Gas | Pawhuska, OK 74056 | Oil Operator | May 2013 |
| 1751 | Mission Oil Company | | Oil & Gas Operator | Sep 2025 |
| 1752 | Mission Resources | | Oil & Gas Operator | Dec 1991 |
| 1753 | Mission Resources Corporation | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 1754 | Mission River Systems, Inc. | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Dec 2025 |
| 1755 | Mississippi Resources, LLC Dba MSR Operating, LLC | | Oil & Gas Operator | May 2021 |
| 1756 | Mississippi River Transm. Corp | | Oil & Gas Operator | Sep 2002 |
| 1757 | Mississippi Valley Gas Co | | Oil & Gas Operator | Aug 1984 |
| 1758 | Mississippi Ventures | | Gas Operator | Feb 1992 |
| 1759 | Mississippi Ventures, Inc. | Granbury, TX 76048 | Gas Operator | Jul 1997 |
| 1760 | Missouri Basin Well Service, Inc. | Belfield, ND 58622 | Oil & Gas Operator | Jan 2018 |
| 1761 | Missouri Breaks, LLC | | Oil & Gas Operator | Jun 2011 |
| 1762 | Missouri River R | | Gas Operator | Jun 1993 |
| 1763 | Missouri River Resources ND, LLC | | Oil & Gas Operator | Oct 2025 |
| 1764 | Missouri River Royalty Corporation | Bismarck, ND 58504 | Oil & Gas Operator | Oct 2025 |
| 1765 | Mist Prod. & Exploration Corp. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 1766 | Mistex Operating, Inc. | Lewisville, TX 75029 | Oil & Gas Operator | Dec 2025 |
| 1767 | Mitch Well Energy Inc | Waterford, PA 16441-8143 | Oil & Gas Operator | Dec 2012 |
| 1768 | Mitchell And R. E. Mitchel | | Oil Operator | Feb 2000 |
| 1769 | Mitchell Cecil D | Haskell, OK 74436-7667 | Oil & Gas Operator | Apr 2020 |
| 1770 | Mitchell Drilling Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Nov 2000 |
| 1771 | Mitchell Ehrlich Oil & Gas, LLC | Austin, TX 78746 | Oil & Gas Operator | Dec 2025 |
| 1772 | Mitchell Energy | | Oil & Gas Operator | Dec 1996 |
| 1773 | Mitchell Energy & Goodrich Oil | | Oil & Gas Operator | Feb 1985 |
| 1774 | Mitchell Energy Company L.P. | Spring, TX 77387 | Oil & Gas Operator | Mar 2008 |
| 1775 | Mitchell Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Aug 2013 |
| 1776 | Mitchell M J | | Oil & Gas Operator | Jan 1983 |
| 1777 | Mitchell Martha | Henryetta, OK 74437-0488 | Oil & Gas Operator | Apr 2011 |
| 1778 | Mitchell Oil | | Oil Operator | Sep 2025 |
| 1779 | Mitchell Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Nov 2000 |
| 1780 | Mitchell Resources, Inc. | Addison, TX 75001 | Oil & Gas Operator | Aug 2003 |
| 1781 | Mitchell Wyatt B | | Oil Operator | Aug 1993 |
| 1782 | Mitchell, James - Operator | Lamesa, TX 79331 | Oil & Gas Operator | Mar 2008 |
| 1783 | Mitchell-Grossu Oil Co. | | Oil & Gas Operator | Sep 2023 |
| 1784 | Mitchwil Investments LLC | | Oil & Gas Operator | Dec 2019 |
| 1785 | Miti-Mini Inc | Wetumka, OK 74883-6172 | Gas Operator | Jul 2016 |
| 1786 | Mito Resources LLC | Edmond, OK 73013 | Oil & Gas Operator | Sep 2025 |
| 1787 | Mito Resources TX LLC | Edmond, OK 73013 | Oil & Gas Operator | Dec 2025 |
| 1788 | Mitsui E&P USA LLC | Houston, TX 77056 | Oil & Gas Operator | Dec 2025 |
| 1789 | Miura Petroleum | | Oil Operator | Dec 1992 |
| 1790 | Miura Petroleum Inc | Topeka, KS 66603 | Oil & Gas Operator | May 2006 |
| 1791 | Miway Operations | Russell, KS 67665 | Oil Operator | Aug 1994 |
| 1792 | Mixon, Robert N. | Lometa, TX 76853 | Oil & Gas Operator | Dec 2025 |
| 1793 | Mize Energy Producers, LLC | | Oil & Gas Operator | Oct 2025 |
| 1794 | Mize Operations, LLC. | | Oil & Gas Operator | Dec 2018 |
| 1795 | MJ Energy Company, LLC | Kilgore, TX 75663 | Oil Operator | Dec 2025 |
| 1796 | MJ Energy LLC | Denver, CO 80206 | Oil Operator | Jan 2025 |
| 1797 | MJ Energy, LLC Of Arkansas | | Oil Operator | Jan 2025 |
| 1798 | MJ Goetz Bonding, LLC | Bartlesville, OK 74006 | Oil Operator | Aug 2025 |
| 1799 | MJ Oil, Inc. | Houston, TX 77265 | Oil & Gas Operator | Dec 2025 |
| 1800 | MJB Oil Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Dec 2025 |