| 17601 | Malone Oil Production | La Vernia, TX 78121 | Oil & Gas Operator | Sep 2026 |
| 17602 | Malone-Killen Oil Expl. Co. | | Oil Operator | Apr 1992 |
| 17603 | Maloney Helen V Dba Penn-Ok Corporation | Hockessin, DE 19707-9640 | Oil & Gas Operator | Feb 2026 |
| 17604 | Malpais Inc | Prague, OK 74864 | Gas Operator | Jun 2026 |
| 17605 | Malson Oil Company | Crawford, OK 73638 | Oil & Gas Operator | Dec 2016 |
| 17606 | Malvern Group Inc | Clearwater, FL 33758-6817 | Oil & Gas Operator | Mar 2005 |
| 17607 | Maly & Maly Oil | Beggs, OK 74421-2844 | Oil & Gas Operator | May 2026 |
| 17608 | Mamerow Energy Corp | Ganado, TX 77962 | Oil & Gas Operator | Sep 2026 |
| 17609 | Mammoth Exploration LLC | Midland, TX 79701 | Oil & Gas Operator | Jul 2023 |
| 17610 | Mammoth Operating LLC | Spicewood, TX 78669 | Oil Operator | Sep 2026 |
| 17611 | Mammoth Service Group, LLC | | Oil & Gas Operator | Dec 2025 |
| 17612 | Manana Gas Inc | Albuquerque, NM 87122 | Oil & Gas Operator | Jul 2026 |
| 17613 | Mancal Resources Corporation | | Oil & Gas Operator | Aug 2019 |
| 17614 | Mance, Patricia M. | Eden, NY 14057 | Gas Operator | Dec 2025 |
| 17615 | Manchester Oil Co | | Oil Operator | Jan 2000 |
| 17616 | Mancuso, Richard L. | Le Roy, NY 14482 | Gas Operator | Dec 2025 |
| 17617 | Mandalay Oil & Gas, L.L.C. | | Oil & Gas Operator | May 2008 |
| 17618 | Mandalay Trading Services Inc. | | Oil Operator | Jul 1999 |
| 17619 | Mandarin Oil & Gas Company | Austin, TX 78714 | Oil & Gas Operator | Sep 2026 |
| 17620 | Mandina & Murphy Oil Company | | Oil Operator | Nov 1990 |
| 17621 | Mandujano, Alfonso & Olga | Von Ormy, TX 78073 | Oil & Gas Operator | Dec 2014 |
| 17622 | Mandujano, Alfonso, Jr. | Von Ormy, TX 78073 | Oil Operator | Sep 2026 |
| 17623 | Manewal Bradley Oil Company | Newcastle, WY 82701 | Oil & Gas Operator | Aug 2013 |
| 17624 | Maney McNeal Oil & Gas | | Oil & Gas Operator | Dec 1999 |
| 17625 | Manhattan Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 17626 | Manis Oil & Gas Inc | Blanchard, OK 73010 | Oil & Gas Operator | Jun 2026 |
| 17627 | Manitou Explor Co Inc | Granville, OH 43023 | Oil & Gas Operator | Dec 1997 |
| 17628 | Manley Energy Resources LLC | | Oil Operator | Jan 2018 |
| 17629 | Manley, John D. III, Oper., Inc | Corpus Christ, TX 78404 | Oil & Gas Operator | Feb 2016 |
| 17630 | Mann Energy, Inc. | Charleston, WV 253323242 | Oil & Gas Operator | Nov 2018 |
| 17631 | Mann Oil Company, LLC | | Oil Operator | Jun 2023 |
| 17632 | Mann Production Co., Inc. | | Oil Operator | Nov 1995 |
| 17633 | Manna Corporation | Oklahoma City, OK 73162 | Oil & Gas Operator | Dec 2014 |
| 17634 | Manna Minerals, Inc. | | Oil & Gas Operator | Apr 1989 |
| 17635 | Manning, Gregory | Ellinwood, KS 67526 | Oil Operator | May 2026 |
| 17636 | Manning, Jack | Odessa, TX 79760 | Oil & Gas Operator | Dec 2003 |
| 17637 | Mannon L. Walters, Inc. | | Oil & Gas Operator | Jun 2024 |
| 17638 | Manns' Atp, Inc. | Potwin, KS 67123 | Oil Operator | Oct 2025 |
| 17639 | Manolo Energy, Inc. | | Oil Operator | Sep 1996 |
| 17640 | Manorado Oil Company | | Oil Operator | Feb 1999 |
| 17641 | Manta Petroleum, Inc. | Englewood, CO 80155 | Oil & Gas Operator | Jun 2020 |
| 17642 | Mantex Inc | Tulsa, OK 74114-6234 | Oil & Gas Operator | Mar 2015 |
| 17643 | Manti Exploration Operating LLC | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Feb 2015 |
| 17644 | Manti Operating Company | Covington, LA 70435 | Oil & Gas Operator | Sep 2026 |
| 17645 | Manti Tarka Permian Op, LLC | Houston, TX 77056 | Oil & Gas Operator | Sep 2026 |
| 17646 | Mantle Oil & Gas, LLC | Friendswood, TX 77546 | Oil & Gas Operator | Sep 2026 |
| 17647 | Manuel Corporation | Wichita, KS 67206 | Oil & Gas Operator | Jun 2026 |
| 17648 | Manufacturers Light & Heat Co | | Gas Operator | Dec 1986 |
| 17649 | Manursing Island Prod. Corp. | | Oil & Gas Operator | Sep 2002 |
| 17650 | Manx Inc | | Oil Operator | Dec 2020 |
| 17651 | Manx Oil Corporation | Casper, WY 82601 | Oil & Gas Operator | Jun 2010 |
| 17652 | Manzanita Corporation | Midland, TX 79710 | Oil & Gas Operator | Nov 2008 |
| 17653 | Manzanita Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2026 |
| 17654 | Manzano Oil Corporation | Roswell, NM 88202 | Oil & Gas Operator | Feb 2005 |
| 17655 | Manzano, LLC | Roswell, NM 88202 | Oil & Gas Operator | Sep 2026 |
| 17656 | Manziel Interests | Tyler, TX 75711 | Oil & Gas Operator | Jun 2004 |
| 17657 | Manziel Management Corporation | Tyler, TX 75711 | Oil Operator | Feb 2014 |
| 17658 | Map Associates, L.P. | | Oil & Gas Operator | Mar 1995 |
| 17659 | Map Drilling Company | | Oil & Gas Operator | Apr 2012 |
| 17660 | Map Oil Co. | | Oil Operator | Jan 1978 |
| 17661 | Map Production Co., Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Sep 2026 |
| 17662 | Mapco Inc | Billings, MT 59102 | Oil & Gas Operator | Dec 1983 |
| 17663 | Mapco Oil & Gas Company | Tulsa, OK 74101-2115 | Oil & Gas Operator | Jan 1985 |
| 17664 | Mapco Oil Company | | Oil & Gas Operator | Jan 1985 |
| 17665 | Mapco Production Co | Billings, MT 59102 | Oil & Gas Operator | Apr 1994 |
| 17666 | Maple Energy Holdings, LLC | Houston, TX 77007 | Oil & Gas Operator | Sep 2023 |
| 17667 | Maple Grove Enterprises Inc | | Oil & Gas Operator | Dec 2025 |
| 17668 | Maple Gulf Coast Props. Corp. | | Oil & Gas Operator | Jun 1989 |
| 17669 | Maple Lane Farms Dairy And Grain LLC | Marietta, NY 13110 | Gas Operator | Dec 2025 |
| 17670 | Maple Leaf Energ | | Oil & Gas Operator | Sep 1989 |
| 17671 | Maple Properties Corp | Dallas, TX 75204 | Oil & Gas Operator | Jan 1999 |
| 17672 | Mar Oil & Gas Corp. | Santa Fe, NM 87502 | Oil & Gas Operator | Jul 2026 |
| 17673 | Mar Oil Company | Upper Sandusky, OH 43351 | Oil & Gas Operator | Dec 2023 |
| 17674 | Mar-Bar Enterprises Inc | Cushing, OK 74023-3031 | Oil Operator | Jun 2026 |
| 17675 | Mar-Bec Energy Company, L.L.C. | Shreveport, LA 71105 | Oil & Gas Operator | May 2001 |
| 17676 | Mar-Lou Oil Co., LLC | Wilson, KS 67490 | Oil Operator | May 2026 |
| 17677 | Mar-Low Corporation | | Oil & Gas Operator | Mar 1992 |
| 17678 | Mar-Win Development Co. | | Oil & Gas Operator | Nov 1988 |
| 17679 | Mar/Reg Investments | Irving, TX 75016 | Oil & Gas Operator | Jul 1999 |
| 17680 | Mar/Reg Oil Company | Reno, NV 89511 | Oil & Gas Operator | Jun 2026 |
| 17681 | Maralex Resources Inc | Ignacio, CO 81137 | Oil & Gas Operator | Jul 2026 |
| 17682 | Maralo, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 1998 |
| 17683 | Maralo, LLC | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 17684 | Maram Energy Inc | MT Vernon, OH 43050 | Oil & Gas Operator | Dec 2025 |
| 17685 | Maran Oil Company | San Antonio, TX 78216 | Oil & Gas Operator | Dec 2020 |
| 17686 | Maran Oil Company, LLC | San Antonio, TX 78216 | Oil & Gas Operator | Mar 2022 |
| 17687 | Maranatha Energy Corporation | Athens, WV 24712 | Oil & Gas Operator | Dec 2021 |
| 17688 | Maranatha Exploration Inc | Killbuck, OH 44637 | Oil & Gas Operator | Dec 1992 |
| 17689 | Maranatha Exploration, LP | Wichita Falls, TX 76307 | Oil Operator | Feb 2012 |
| 17690 | Maranatha Oil Company | Gonzales, TX 78629 | Oil & Gas Operator | Sep 2026 |
| 17691 | Maranatha Petroleum Inc. | | Oil & Gas Operator | Jun 2026 |
| 17692 | Marata Oil & Gas Company | Dallas, TX 75225 | Oil & Gas Operator | Aug 2003 |
| 17693 | Marathon Corporation | | Oil Operator | Dec 1994 |
| 17694 | Marathon Oil Co.-Rocky Mountain Region | Cody, WY 82414 | Oil Operator | Dec 1999 |
| 17695 | Marathon Oil Com | | Oil & Gas Operator | Dec 1996 |
| 17696 | Marathon Oil Company | Houston, TX 77252 | Oil & Gas Operator | Jun 2026 |
| 17697 | Marathon Oil Company LLC | Houston, TX 77079 | Oil & Gas Operator | Jul 2026 |
| 17698 | Marathon Oil Company Operator | | Oil & Gas Operator | Dec 1993 |
| 17699 | Marathon Oil Company/Fina | | Oil & Gas Operator | Jan 2005 |
| 17700 | Marathon Oil Ef LLC | Houston, TX 77252 | Oil & Gas Operator | Sep 2026 |