| 1701 | Mississippi Ventures | | Gas Operator | Feb 1992 |
| 1702 | Mississippi Ventures, Inc. | Granbury, TX 76048 | Gas Operator | Jul 1997 |
| 1703 | Missouri Basin Well Service, Inc. | Belfield, ND 58622 | Oil & Gas Operator | Jan 2018 |
| 1704 | Missouri Breaks, LLC | | Oil & Gas Operator | Jun 2011 |
| 1705 | Missouri River Resources ND, LLC | | Oil & Gas Operator | Feb 2024 |
| 1706 | Missouri River Royalty Corporation | Bismarck, ND 58504 | Oil & Gas Operator | Feb 2024 |
| 1707 | Mist Prod. & Exploration Corp. | Midland, TX 79702 | Oil & Gas Operator | Apr 2024 |
| 1708 | Mistex Operating, Inc. | Lewisville, TX 75029 | Oil & Gas Operator | Apr 2024 |
| 1709 | Mitchell And R. E. Mitchel | | Oil Operator | Feb 2000 |
| 1710 | Mitchell Cecil D | Haskell, OK 74436-7667 | Oil & Gas Operator | Apr 2020 |
| 1711 | Mitchell Drilling Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Nov 2000 |
| 1712 | Mitchell Ehrlich Oil & Gas, LLC | Austin, TX 78746 | Oil & Gas Operator | Apr 2024 |
| 1713 | Mitchell Energy | | Oil & Gas Operator | Dec 1996 |
| 1714 | Mitchell Energy & Goodrich Oil | | Oil & Gas Operator | Feb 1985 |
| 1715 | Mitchell Energy Company L.P. | Spring, TX 77387 | Oil & Gas Operator | Mar 2008 |
| 1716 | Mitchell Energy Corp | Houston, TX 77002 | Oil & Gas Operator | Aug 2013 |
| 1717 | Mitchell M J | | Oil & Gas Operator | Jan 1983 |
| 1718 | Mitchell Martha | Henryetta, OK 74437-0488 | Oil & Gas Operator | Apr 2011 |
| 1719 | Mitchell Oil | | Oil Operator | Nov 2023 |
| 1720 | Mitchell Oil Company | Iowa Park, TX 76367 | Oil & Gas Operator | Nov 2000 |
| 1721 | Mitchell Resources, Inc. | Addison, TX 75001 | Oil & Gas Operator | Aug 2003 |
| 1722 | Mitchell Wyatt B | | Oil Operator | Aug 1993 |
| 1723 | Mitchell, James - Operator | Lamesa, TX 79331 | Oil & Gas Operator | Mar 2008 |
| 1724 | Mitchell, Terri L. | Pine Haven, WY 82721 | Oil Operator | Dec 2023 |
| 1725 | Mitchell-Grossu Oil Co. | | Oil & Gas Operator | Sep 2023 |
| 1726 | Mitchwil Investments LLC | | Oil & Gas Operator | Dec 2019 |
| 1727 | Mito Resources LLC | Edmond, OK 73013 | Oil & Gas Operator | Jan 2024 |
| 1728 | Mito Resources TX LLC | Edmond, OK 73013 | Oil & Gas Operator | Apr 2024 |
| 1729 | Mitsui E&P USA LLC | Houston, TX 77056 | Oil & Gas Operator | Apr 2024 |
| 1730 | Miura Petroleum | | Oil Operator | Dec 1992 |
| 1731 | Miura Petroleum, Inc. | Topeka, KS 66603 | Oil & Gas Operator | May 2006 |
| 1732 | Miway Operations | Russell, KS 67665 | Oil Operator | Aug 1994 |
| 1733 | Mixon, Robert N. | Lometa, TX 76853 | Oil & Gas Operator | Apr 2024 |
| 1734 | Mize Energy Producers, LLC | | Oil & Gas Operator | Dec 2023 |
| 1735 | Mize Operations, LLC. | | Oil & Gas Operator | Dec 2018 |
| 1736 | MJ Energy Company, LLC | Kilgore, TX 75663 | Oil Operator | Apr 2024 |
| 1737 | MJ Energy, LLC | Denver, CO 80206 | Oil Operator | Jan 2024 |
| 1738 | MJ Goetz Bonding, LLC | | Oil Operator | Jan 2024 |
| 1739 | MJ Oil Company | Minerva, OH 44657 | Oil & Gas Operator | Dec 2008 |
| 1740 | MJ Oil, Inc. | Houston, TX 77265 | Oil & Gas Operator | Apr 2024 |
| 1741 | MJB Oil Co. | Iowa Park, TX 76367 | Oil & Gas Operator | Apr 2024 |
| 1742 | MJB Production Company, Inc. | Brownfield, TX 79316 | Oil & Gas Operator | Apr 2024 |
| 1743 | MJC Oil And Gas LLC | St Paul, MN 55118 | Oil & Gas Operator | Mar 2024 |
| 1744 | MJM Oil & Gas, Inc. | Dallas, TX 75201 | Oil & Gas Operator | Aug 2003 |
| 1745 | MJM Resources Inc | Norman, OK 73070-8777 | Oil & Gas Operator | Jan 2024 |
| 1746 | MJT Oil | | Oil Operator | Dec 2023 |
| 1747 | MK Operating Co. | Pampa, TX 79065 | Oil & Gas Operator | Jun 2014 |
| 1748 | MK Operating Company LLC | Cedar Park, TX 78613 | Oil & Gas Operator | Apr 2024 |
| 1749 | Mke Producing Inc | Canton, OH 44735 | Oil & Gas Operator | Dec 2023 |
| 1750 | MKJ Oil Co LLC | Harper, KS 67058 | Oil & Gas Operator | Dec 2023 |
| 1751 | MKS Consulting Corporation | Weatherford, TX 76086 | Oil & Gas Operator | Jul 2005 |
| 1752 | MKS Natural Gas Company | Weatherford, TX 76086 | Oil & Gas Operator | Mar 2016 |
| 1753 | ML Resources, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Mar 2008 |
| 1754 | MLB Operating Services, LLC | Tenn Colony, TX 75861 | Oil & Gas Operator | Apr 2024 |
| 1755 | MLC Co., Inc. | Dallas, TX 75201 | Oil & Gas Operator | Dec 1996 |
| 1756 | MLC Operating, LP | Houston, TX 77063 | Oil & Gas Operator | Apr 2024 |
| 1757 | MLC Resources LLC | | Oil & Gas Operator | Dec 2023 |
| 1758 | MLF, Inc. | Houston, TX 77096 | Gas Operator | Nov 2009 |
| 1759 | MLGW | | Gas Operator | Sep 1984 |
| 1760 | MLX Operating, Inc. | Clarksburg, WV 26301 | Oil & Gas Operator | Dec 2021 |
| 1761 | MM China Star Oil Co., LLC | Woodway, TX 76712 | Oil & Gas Operator | Apr 2024 |
| 1762 | MMD Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Dec 2000 |
| 1763 | MMG Oil Company | Buffalo Gap, TX 79508 | Oil & Gas Operator | Aug 2006 |
| 1764 | MMGK Arkoma, LLC | Dallas, TX 75240 | Gas Operator | Jan 2024 |
| 1765 | MMGL TXPH, LLC | Dallas, TX 75240 | Oil & Gas Operator | Apr 2024 |
| 1766 | Mna Enterprises LTD. Co. | Hobbs, NM 88242 | Oil & Gas Operator | Apr 2024 |
| 1767 | Mo-Jon, Inc. | Edroy, TX 78352 | Oil & Gas Operator | May 1999 |
| 1768 | Mo-Kan Oil Group | St. Louis, MO 63131 | Oil Operator | Sep 2001 |
| 1769 | Mo-Ky | | Oil Operator | Dec 1982 |
| 1770 | Moabb Oil Corp | | Oil & Gas Operator | Apr 1998 |
| 1771 | Mobay Storage Hub LLC | | Gas Operator | Oct 2008 |
| 1772 | Mobeetie Resource Dev LLC | Booker, TX 79005 | Oil & Gas Operator | Apr 2024 |
| 1773 | Mobil E&P N.A.-Pel-Tex | | Oil & Gas Operator | Dec 1993 |
| 1774 | Mobil E&P N.A.-WM Scully Et Al | | Oil & Gas Operator | Dec 1993 |
| 1775 | Mobil E&P North America Inc. | | Oil & Gas Operator | Jan 1994 |
| 1776 | Mobil Exp & Prod Us Inc | Houston, TX 77060-1991 | Oil & Gas Operator | May 2001 |
| 1777 | Mobil Expl & Producing North America Inc | | Oil & Gas Operator | Nov 1986 |
| 1778 | Mobil Explor & Prod | Cortez, CO 81321 | Oil & Gas Operator | May 2001 |
| 1779 | Mobil Oil Corpor | | Oil & Gas Operator | Dec 1996 |
| 1780 | Mobil Oil Corporation | Houston, TX 77210 | Oil & Gas Operator | Jun 2016 |
| 1781 | Mobil Oil E & P Southeast Inc | | Oil & Gas Operator | Sep 2013 |
| 1782 | Mobil Oil E&P Se Inc - Pel-Tex | | Oil & Gas Operator | Dec 2005 |
| 1783 | Mobil Oil Expl & Prod S E | | Oil & Gas Operator | Dec 1979 |
| 1784 | Mobil Oil Exploration & Producing Southeast, Inc. | | Oil & Gas Operator | Nov 2023 |
| 1785 | Mobil Oil Exploration & Production North America Inc. | | Oil & Gas Operator | Dec 1996 |
| 1786 | Mobil Petro Vac, Inc. | Duncan, OK 73533 | Oil & Gas Operator | Apr 2024 |
| 1787 | Mobil Producing Texas & New Mexico | Denver City, TX 79323 | Oil & Gas Operator | Jun 2005 |
| 1788 | Mobil Producing TX. & N.M. Inc. | Spring, TX 77389 | Oil & Gas Operator | Apr 2024 |
| 1789 | Mobile Gulf, Inc. | | Oil & Gas Operator | Aug 1985 |
| 1790 | Mobile Petrovac, Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Apr 2024 |
| 1791 | Mobile Production Systems, Inc. | Austin, TX 78711 | Oil & Gas Operator | Feb 1995 |
| 1792 | Mobley & Davis | | Oil & Gas Operator | Oct 1986 |
| 1793 | Mobley & McCain | | Oil & Gas Operator | Nov 1979 |
| 1794 | Mobley & McCain, Et Al | | Oil & Gas Operator | Jul 1986 |
| 1795 | Mobley Oil Company, Inc. | | Oil & Gas Operator | Feb 1990 |
| 1796 | Mobley Valve Service, Inc. | | Oil & Gas Operator | Nov 2006 |
| 1797 | Mobpar, Inc. | Houston, TX 77219 | Oil & Gas Operator | Apr 2024 |
| 1798 | Mobreal Oil Inc | Wilmington, DE 19808 | Oil & Gas Operator | Dec 1989 |
| 1799 | Mockingbird Oil, Inc. (I) | Spring, TX 77389 | Oil & Gas Operator | Apr 2024 |
| 1800 | Moco Oil Inc | | Oil Operator | May 1984 |