| 801 | MAHL | Kern County, CA | Oil & Gas Property | May 2026 |
| 802 | MAHLE | Clarion County, PA | Oil & Gas Property | Dec 2024 |
| 803 | MAHLE | Venango County, PA | Gas Property | Dec 2025 |
| 804 | MAHLER | Hemphill County, TX | Oil & Gas Property | May 2026 |
| 805 | MAHLER | Roberts County, TX | Oil & Gas Property | May 2026 |
| 806 | MAHLER FIELDS | Roberts County, TX | Oil & Gas Property | May 2026 |
| 807 | MAHLMANN HEIRS | Fort Bend County, TX | Oil & Gas Property | May 2026 |
| 808 | MAHLMANN-WALTHER UNIT | Fayette County, TX | Oil & Gas Property | May 2026 |
| 809 | MAHLON J BYLER | Indiana County, PA | Oil & Gas Property | Dec 2025 |
| 810 | MAHOGANY | Loving County, TX | Oil & Gas Property | May 2026 |
| 811 | MAHON | Perry County, OH | Oil & Gas Property | Dec 2009 |
| 812 | MAHON-BENNETT-SHAW 1H | Harrison County, TX | Oil & Gas Property | May 2026 |
| 813 | MAHONEY | Stevens County, KS | Oil & Gas Property | Apr 2026 |
| 814 | MAHONEY | Russell County, KS | Oil Property | Apr 2026 |
| 815 | MAHONEY | De Soto Parish, LA | Gas Property | Dec 2024 |
| 816 | MAHONEY | Carbon County, WY | Oil & Gas Property | Aug 1979 |
| 817 | MAHONEY | Lee County, TX | Oil & Gas Property | Mar 2023 |
| 818 | MAHONEY | Liberty County, MT | Oil & Gas Property | Apr 2026 |
| 819 | MAHONEY | McMullen County, TX | Oil & Gas Property | May 2026 |
| 820 | MAHONEY | Lubbock County, TX | Oil & Gas Property | May 2026 |
| 821 | MAHONEY DOME UNIT | Carbon County, WY | Oil & Gas Property | Jun 2026 |
| 822 | MAHONEY H. O | Yoakum County, TX | Oil & Gas Property | May 2026 |
| 823 | MAHONEY, E | Ogemaw County, MI | Oil & Gas Property | May 2024 |
| 824 | MAHONING | Lawrence County, PA | Oil & Gas Property | May 2026 |
| 825 | MAHONING | Armstrong County, PA | Oil & Gas Property | Dec 2025 |
| 826 | MAHONING AMBROSIA | Lawrence County, PA | Oil & Gas Property | May 2026 |
| 827 | MAHONING CO | Mahoning County, OH | Oil & Gas Property | Dec 2025 |
| 828 | MAHONING COUNTY AGRICULTURAL SOCIETY | Mahoning County, OH | Oil & Gas Property | Dec 2025 |
| 829 | MAHONING NATIONAL BANK | Mahoning County, OH | Oil & Gas Property | Dec 2025 |
| 830 | MAHONING VALLEY MILLING CO | Jefferson County, PA | Gas Property | Dec 2025 |
| 831 | MAHONING YEO | Lawrence County, PA | Oil & Gas Property | May 2026 |
| 832 | MAHVASH UNIT | Tarrant County, TX | Oil & Gas Property | May 2026 |
| 833 | MAI HENRY | Ellis County, KS | Oil Property | Jan 2026 |
| 834 | MAI-HAYNES | Russell County, KS | Oil Property | Apr 2026 |
| 835 | MAI-TENN | Russell County, KS | Oil Property | Apr 2026 |
| 836 | MAIB | Blaine County, OK | Oil & Gas Property | Apr 2026 |
| 837 | MAIB #1 | Blaine County, OK | Oil & Gas Property | Apr 2026 |
| 838 | MAIB 1 | Canadian County, OK | Oil & Gas Property | Apr 2026 |
| 839 | MAIBACH | Wayne County, OH | Oil & Gas Property | Dec 2025 |
| 840 | MAIDA, JOHN | Bay County, MI | Oil Property | Dec 2025 |
| 841 | MAIDEN | Wayne County, OH | Oil & Gas Property | Dec 2025 |
| 842 | MAIDENS | Manistee County, MI | Oil & Gas Property | Apr 2026 |
| 843 | MAIER | Ness County, KS | Oil Property | Mar 2026 |
| 844 | MAIER | Ness County, KS | Oil Property | Mar 2026 |
| 845 | MAIER | Adams County, MS | Oil Property | Apr 1982 |
| 846 | MAIER | Russell County, KS | Oil Property | Apr 2026 |
| 847 | MAIER | Osborne County, KS | Oil Property | Apr 2026 |
| 848 | MAIER | Ellis County, KS | Oil Property | Feb 2025 |
| 849 | MAIER | Weld County, CO | Oil & Gas Property | May 2026 |
| 850 | MAIER 1 | Rush County, KS | Oil Property | Mar 2026 |
| 851 | MAIER FAMILY TRUST | Rush County, KS | Oil Property | Apr 2026 |
| 852 | MAIFELD | Cheyenne County, KS | Gas Property | Apr 2026 |
| 853 | MAILANDER | Phillips County, CO | Gas Property | Jul 2022 |
| 854 | MAIN | Noble County, OK | Oil & Gas Property | Apr 2002 |
| 855 | MAIN 1 | Finney County, KS | Gas Property | Mar 2025 |
| 856 | MAIN C | Uintah County, UT | Oil & Gas Property | Dec 2025 |
| 857 | MAIN CAMP | Kern County, CA | Oil Property | Jun 2026 |
| 858 | MAIN CANYON | Uintah County, UT | Oil & Gas Property | Dec 2025 |
| 859 | MAIN-MATYSEK UNIT | Wilbarger County, TX | Oil & Gas Property | Apr 2026 |
| 860 | MAINARD | Seminole County, OK | Oil Property | Mar 2017 |
| 861 | MAINKA RING | Grady County, OK | Oil & Gas Property | Apr 2026 |
| 862 | MAINO | San Luis Obispo County, CA | Oil & Gas Property | Jun 2026 |
| 863 | MAINQUIST | Rooks County, KS | Oil Property | Apr 2026 |
| 864 | MAINZER | Stevens County, KS | Gas Property | Apr 2026 |
| 865 | MAIOLINI | Susquehanna County, PA | Gas Property | May 2026 |
| 866 | MAIRS | Wayne County, OH | Oil & Gas Property | Dec 2025 |
| 867 | MAISIE STATE 10 | Reeves County, TX | Oil & Gas Property | May 2026 |
| 868 | MAITINO | Trumbull County, OH | Oil & Gas Property | Dec 2001 |
| 869 | MAJ KISSNER LLC | West Baton Rouge Parish, LA | Oil & Gas Property | Dec 2020 |
| 870 | MAJERUS | Hill County, MT | Gas Property | May 2026 |
| 871 | MAJESTIC | Moore County, TX | Oil & Gas Property | May 2026 |
| 872 | MAJESTIC & HURRICANE MIN CORP 8 | Pike County, KY | Gas Property | Dec 2024 |
| 873 | MAJESTIC COLL | Pike County, KY | Gas Property | Dec 2024 |
| 874 | MAJESTIC STATE | Reeves County, TX | Oil & Gas Property | May 2026 |
| 875 | MAJEWSKI | Sheridan County, WY | Gas Property | Jun 2015 |
| 876 | MAJOR | Blaine County, OK | Oil & Gas Property | Apr 2026 |
| 877 | MAJOR | Gray County, TX | Oil & Gas Property | May 2026 |
| 878 | MAJOR | Gray County, TX | Gas Property | May 2026 |
| 879 | MAJOR | Russell County, KS | Oil Property | Apr 2026 |
| 880 | MAJOR #1 | Dewey County, OK | Oil & Gas Property | Sep 2021 |
| 881 | MAJOR 3 | Jones County, MS | Oil Property | May 2026 |
| 882 | MAJOR BURNS UNIT | Hood County, TX | Oil & Gas Property | May 2026 |
| 883 | MAJOR CULLER | Hughes County, OK | Oil & Gas Property | Apr 2026 |
| 884 | MAJOR FEDERAL 1-6H | McKenzie County, ND | Oil & Gas Property | May 2026 |
| 885 | MAJOR KENNEDY EST | Rusk County, TX | Oil & Gas Property | May 2026 |
| 886 | MAJOR ROYALTY | Latimer County, OK | Gas Property | Mar 2026 |
| 887 | MAJORS | Caddo County, OK | Oil & Gas Property | May 2026 |
| 888 | MAJORS | Carter County, OK | Oil Property | Jan 2026 |
| 889 | MAJORS | Canadian County, OK | Oil & Gas Property | Apr 2026 |
| 890 | MAJORS | Cottle County, TX | Oil & Gas Property | May 2026 |
| 891 | MAJORS, CARL | Hopkins County, KY | Oil Property | Jul 1999 |
| 892 | MAK MARTIN SA | La Salle County, TX | Oil & Gas Property | May 2026 |
| 893 | MAK RANCH | La Salle County, TX | Oil & Gas Property | May 2026 |
| 894 | MAKAYLA | Bradford County, PA | Gas Property | May 2026 |
| 895 | MAKE BELIEVE | Hemphill County, TX | Oil & Gas Property | May 2026 |
| 896 | MAKEIG | Moore County, TX | Oil & Gas Property | May 2026 |
| 897 | MAKEIG | Moore County, TX | Oil & Gas Property | May 2026 |
| 898 | MAKENNA | Upton County, TX | Oil & Gas Property | May 2026 |
| 899 | MAKER | Osage County, OK | Oil Property | Apr 2026 |
| 900 | MAKERS | Gonzales County, TX | Oil & Gas Property | May 2026 |