| 1601 | Miller, R. A. Energy, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Aug 2003 |
| 1602 | Miller, Ralph D. & Faye C. | Cherryvale, KS 67335 | Oil Operator | Apr 2003 |
| 1603 | Miller, Rex M. | Putnam, TX 76469 | Oil & Gas Operator | Sep 2022 |
| 1604 | Miller, Robert A. | Sedan, KS 67361 | Oil Operator | Aug 2022 |
| 1605 | Miller, W. C. Operating Company | San Antonio, TX 78209 | Oil & Gas Operator | Apr 2026 |
| 1606 | Miller, W.C. | | Oil & Gas Operator | Jan 1992 |
| 1607 | Miller-Becker Enterprises, LLC | Russell, KS 67665 | Oil Operator | Oct 2025 |
| 1608 | Miller-McGee Operating Inc | Stroud, OK 74079 | Oil & Gas Operator | Jan 2026 |
| 1609 | Milliman, John & Julie | Randolph, NY 14772 | Gas Operator | Dec 2024 |
| 1610 | Milliman, Lee And Debora | Cattaraugus, NY 14719 | Gas Operator | Dec 2024 |
| 1611 | Mills Drilling Co Inc | | Oil & Gas Operator | Nov 2008 |
| 1612 | Mills Oil & Gas | Jacksboro, TX 76458 | Oil & Gas Operator | Mar 2008 |
| 1613 | Mills Oil Co. | | Oil Operator | Dec 1986 |
| 1614 | Mills, Cary | Limestone, NY 14753 | Oil & Gas Operator | Dec 2024 |
| 1615 | Mills, Donald R. & Kathleen A. | Le Roy, NY 14482 | Gas Operator | Dec 2024 |
| 1616 | Mills, H. E. | Lipan, TX 76462 | Oil & Gas Operator | Sep 2004 |
| 1617 | Mills, Norman | Lake City, KS 67071 | Oil Operator | Dec 1995 |
| 1618 | Mills, Pete | Midland, TX 79707 | Oil & Gas Operator | Sep 2005 |
| 1619 | Mills, Ralph A. | Louisburg, KS 66053 | Oil Operator | May 1998 |
| 1620 | Mills, Roger A. | Greenwood, NY 14839 | Oil & Gas Operator | Dec 2024 |
| 1621 | Millwee Oil, Inc. | Midland, TX 79705 | Oil & Gas Operator | Apr 2026 |
| 1622 | Millwee, John F. | Midland, TX 79705 | Oil & Gas Operator | Jul 2018 |
| 1623 | Milmac Operating Company | Lubbock, TX 79408-2976 | Oil & Gas Operator | Sep 2004 |
| 1624 | Milne Lewis Joel | Allen, OK 74825 | Oil & Gas Operator | Mar 2015 |
| 1625 | Milo-Austintatious | Houston, TX 77005 | Oil & Gas Operator | Aug 2006 |
| 1626 | Miltex Oil Company | Boerne, TX 78006 | Oil & Gas Operator | Apr 2026 |
| 1627 | Milton Crow,Inc.&RP Evans Etal | | Oil & Gas Operator | Aug 1988 |
| 1628 | Milton Galoob | | Oil Operator | Dec 1988 |
| 1629 | Milton Oil & Gas Company | Charleston, WV 25322 | Gas Operator | Nov 1997 |
| 1630 | Miltuck Operating, Inc. | Elysian Field, TX 75642 | Oil & Gas Operator | Dec 1996 |
| 1631 | Mims, William S. | Pleasanton, TX 78064 | Oil Operator | Jun 2009 |
| 1632 | Min-Tex Oil Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Dec 1996 |
| 1633 | Mina Energy, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Feb 2012 |
| 1634 | Minard Run Oil Co | Bradford, PA 16701 | Oil & Gas Operator | Dec 2025 |
| 1635 | Minatome Corpora | | Oil & Gas Operator | Sep 1987 |
| 1636 | Minco Oil And Gas Co. | Pampa, TX 79066 | Oil & Gas Operator | Aug 2024 |
| 1637 | Minden Oil & Gas, Inc. | | Oil & Gas Operator | May 1985 |
| 1638 | Minel Inc | Richardson, TX 75080 | Oil & Gas Operator | Aug 2024 |
| 1639 | Miner Rick Oil Inc | Drumright, OK 74030-0373 | Oil & Gas Operator | Apr 2022 |
| 1640 | Miner, R. C. Inc. | Corpus Christ, TX 78413 | Oil & Gas Operator | Apr 2002 |
| 1641 | Miner, R. C. Oil, Inc. | MC Queeney, TX 78123 | Oil & Gas Operator | Apr 2026 |
| 1642 | Mineral Development, Inc. | Dallas, TX 75231 | Oil & Gas Operator | Aug 1996 |
| 1643 | Mineral Resource Management, L.L.C. | Jane Lew, WV 26378 | Oil & Gas Operator | Dec 2021 |
| 1644 | Mineral Resources & Engineering | Aladdin, WY 82710 | Oil Operator | Jul 1991 |
| 1645 | Mineral Resources, Incorporated | Lewisville, TX 75029 | Oil & Gas Operator | Apr 2026 |
| 1646 | Mineral Technologies, Inc. | Midland, TX 79704 | Oil & Gas Operator | Apr 2026 |
| 1647 | Mineral Ventures, Inc. | | Oil & Gas Operator | Dec 2024 |
| 1648 | Minerals MGMT Group, Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2018 |
| 1649 | Minerex Engineering Corp. | | Oil & Gas Operator | Mar 2004 |
| 1650 | Minerva Oil Company | Tulsa, OK 74152-0858 | Oil & Gas Operator | Mar 2015 |
| 1651 | Minexprod LLC | Katy, TX 77494 | Oil Operator | Apr 2026 |
| 1652 | Mingo Oil Producers | Salt Lake City, UT 84111 | Oil & Gas Operator | Nov 1987 |
| 1653 | Mingus Oil & Gas | Mingus, TX 76463 | Oil & Gas Operator | Apr 2026 |
| 1654 | Minihan Oil & Gas Corporation | Midland, TX 79704 | Oil & Gas Operator | Apr 2004 |
| 1655 | Minihan Oil & Gas LTD. | Denver, CO 80202 | Oil & Gas Operator | Jul 2006 |
| 1656 | Minihan Oil And Gas Company | Seminole, OK 74868-9790 | Oil & Gas Operator | Sep 2014 |
| 1657 | Minihan Production Co | Seminole, OK 74868 | Oil & Gas Operator | Jan 1997 |
| 1658 | Mink Oil Company | | Oil Operator | Nov 2003 |
| 1659 | Mink Richard | Cement, OK 73017 | Oil & Gas Operator | Jan 2026 |
| 1660 | Mink, Jay, Oil Co. | Electra, TX 76360 | Oil & Gas Operator | Aug 2017 |
| 1661 | Minnelusa Oil LLC | Temecula, CA 92589 | Oil Operator | Feb 2002 |
| 1662 | Minner Oil Field Service | | Oil Operator | Jul 2008 |
| 1663 | Minor Jr W T | Wichita Falls, TX 76307 | Oil Operator | Nov 1998 |
| 1664 | Minor Mark | FT Worth, TX 76116-1003 | Oil Operator | Nov 2015 |
| 1665 | Mint Mining LLC | Columbus, OH 43214 | Oil Operator | Dec 2025 |
| 1666 | Minteer & Baker Gas Enterprise | Kittanning, PA 16201-5022 | Gas Operator | Dec 2025 |
| 1667 | Minuja Oil And Gas LLC | Corpus Christi, TX 78401 | Oil & Gas Operator | Sep 1996 |
| 1668 | Minute Hand LLC | Brenham, TX 77834 | Oil & Gas Operator | Apr 2026 |
| 1669 | Minuteman Energy, LLC | Georgetown, TX 78633 | Oil & Gas Operator | Feb 2015 |
| 1670 | Minyak Producing Company, Inc. | Sabine Pass, TX 77655 | Oil & Gas Operator | Apr 2026 |
| 1671 | Miocene Oil & Gas, Inc. | Englewood, CO 80155 | Oil & Gas Operator | Jul 1998 |
| 1672 | Miocene Oil & Gas, LTD. | Englewood, CO 80110 | Oil & Gas Operator | Apr 2026 |
| 1673 | Mir-Tex Energy Corp. | Mirando City, TX 78369 | Oil & Gas Operator | Aug 2003 |
| 1674 | Miracle Petroleum LLC | | Oil & Gas Operator | Oct 2018 |
| 1675 | Miracle Production Inc | Yukon, OK 73085-0680 | Oil & Gas Operator | Jun 2007 |
| 1676 | Mirage Energy Inc | Eunice, NM 88231 | Oil & Gas Operator | Apr 2011 |
| 1677 | Miramar Petroleum, Inc. | Corpus Chrsti, TX 78463 | Oil & Gas Operator | Sep 2017 |
| 1678 | Miranda Energy Corporation | Midland, TX 79705 | Oil & Gas Operator | Jun 2016 |
| 1679 | Mirando Crude Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Jul 1994 |
| 1680 | Mirando Resource, L.L.C. | Freer, TX 78357 | Oil & Gas Operator | Apr 2026 |
| 1681 | Miresco, Inc. | Houston, TX 77060 | Oil & Gas Operator | Jan 1995 |
| 1682 | Misahar Investments | Evergreen, CO 80439 | Oil Operator | Dec 1992 |
| 1683 | Misc Oil Co | Oilmont, MT 59466 | Oil Operator | Dec 2025 |
| 1684 | Misener Operating, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2010 |
| 1685 | Mishler Oil | | Oil Operator | May 1989 |
| 1686 | Miss Basin Oil & Gas Company | | Oil Operator | Jan 1985 |
| 1687 | Miss Chub LLC | | Gas Operator | Dec 2024 |
| 1688 | Miss-Lou Oil Producers Inc | | Oil & Gas Operator | Dec 1998 |
| 1689 | Miss-Lou Operating LLC | | Oil & Gas Operator | Jan 2026 |
| 1690 | Miss-Lou Petroleum LLC | | Oil & Gas Operator | Jun 2011 |
| 1691 | Missala Inc | | Oil & Gas Operator | Dec 1995 |
| 1692 | Missaukee Oil And Gas Company LLC | | Oil & Gas Operator | Feb 2026 |
| 1693 | Missing Moon Oil Inc | Knox, PA 16232-4507 | Oil & Gas Operator | Dec 2025 |
| 1694 | Mission Creek Opco, LLC | Magnolia, AR 71753 | Oil & Gas Operator | Jan 2025 |
| 1695 | Mission Energy Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 1696 | Mission Exploration, Inc. | Fate, TX 75132 | Oil & Gas Operator | Dec 1987 |
| 1697 | Mission Leasing LTD | Tulsa, OK 74136 | Oil Operator | Dec 2000 |
| 1698 | Mission Oil & Gas | Pawhuska, OK 74056 | Oil Operator | May 2013 |
| 1699 | Mission Oil Company | | Oil & Gas Operator | Dec 2025 |
| 1700 | Mission Resources | | Oil & Gas Operator | Dec 1991 |