| 17901 | Maggert Energy Corp. | Spring, TX 77387 | Gas Operator | Jun 1998 |
| 17902 | Magic Circle Energy | Oklahoma City, OK 73185 | Oil & Gas Operator | Dec 1983 |
| 17903 | Magic City Oil & Gas | Amarillo, TX 79109 | Oil & Gas Operator | Jun 2025 |
| 17904 | Magic Investments LLC | Edmond, OK 73013 | Oil & Gas Operator | Jan 2025 |
| 17905 | Magic Oil & Gas Inc. | Houston, TX 77079 | Oil & Gas Operator | Jan 2001 |
| 17906 | Magma Resources LLC | Paoli, OK 73074 | Oil & Gas Operator | Feb 2025 |
| 17907 | Magna Diversified Group, Inc. | Jacksonville, TX 75766 | Oil & Gas Operator | Oct 2013 |
| 17908 | Magna Oil & Gas Corporation | Irving, TX 75017 | Oil & Gas Operator | Feb 2016 |
| 17909 | Magna Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2025 |
| 17910 | Magnatex Corp | Midland, TX 79702-1311 | Oil & Gas Operator | Feb 1995 |
| 17911 | Magnatex Petrole | | Oil Operator | Jun 1994 |
| 17912 | Magnatex Petroleum | | Oil Operator | Apr 1993 |
| 17913 | Magness Petroleum Company | | Oil & Gas Operator | Dec 1994 |
| 17914 | Magnet Oil LP | Bronte, TX 76933 | Oil & Gas Operator | Jun 2025 |
| 17915 | Magnolia Oil & Gas Operating LLC | Houston, TX 77046 | Oil & Gas Operator | Jun 2025 |
| 17916 | Magnolia Petroleum Inc | Tulsa, OK 74106-2433 | Oil Operator | Jun 2018 |
| 17917 | Magnolia Production Co | Atlanta, TX 75551 | Oil & Gas Operator | Jun 2025 |
| 17918 | Magnolia Production Company LLC | | Oil & Gas Operator | Nov 2024 |
| 17919 | Magnum DRLG Of Ohio, Inc | Ashland, KY 41102 | Oil & Gas Operator | Dec 2023 |
| 17920 | Magnum Energy Inc | Norman, OK 73072-2403 | Oil & Gas Operator | Apr 2025 |
| 17921 | Magnum Engineering Company | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Jun 2025 |
| 17922 | Magnum Exploration Kansas, LLC | Lipan, TX 76462 | Oil Operator | Oct 2016 |
| 17923 | Magnum Gas Pipeline, L.L.C. | | Oil Operator | Dec 2024 |
| 17924 | Magnum Hunter Production, Inc. | Irving, TX 75014 | Oil & Gas Operator | Dec 2019 |
| 17925 | Magnum Hunter Resources Corporation | | Oil & Gas Operator | Nov 2019 |
| 17926 | Magnum Minerals, Inc. | | Oil & Gas Operator | May 1998 |
| 17927 | Magnum Oil & Gas | Flower Mound, TX 75028 | Oil & Gas Operator | Jul 2000 |
| 17928 | Magnum Oil & Gas Inc. | Linn, WV 26384 | Gas Operator | Dec 2021 |
| 17929 | Magnum Oil, LLC | Hartford, KY 42347 | Oil Operator | Dec 2023 |
| 17930 | Magnum Oilfield Services LLC | Bakersfield, CA 93309 | Oil Operator | Jun 2025 |
| 17931 | Magnum Operating, LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Jun 2025 |
| 17932 | Magnum Petroleum, Inc. | Palm Desert, CA 92260 | Oil & Gas Operator | Nov 2013 |
| 17933 | Magnum Producing & Operating Co. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Jan 2004 |
| 17934 | Magnum Producing, LP | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Jun 2025 |
| 17935 | Magnum Production & Well Service | Iowa Park, TX 76367 | Oil & Gas Operator | Jun 2025 |
| 17936 | Magnusson Karl E | | Oil Operator | Apr 1987 |
| 17937 | Magpie Operating, Inc | | Oil & Gas Operator | Apr 2025 |
| 17938 | Magruder '81, LTD. | Midland, TX 79701 | Oil & Gas Operator | Jan 1995 |
| 17939 | Magruder, Edwin H., Jr. | Midland, TX 79701 | Oil & Gas Operator | Oct 2019 |
| 17940 | Maguire James Q Inc | Norman, OK 73070-1748 | Oil & Gas Operator | Jun 2011 |
| 17941 | Maguire Oil Company | Dallas, TX 75270 | Oil & Gas Operator | Mar 2015 |
| 17942 | Maha Energy Us Inc | | Oil Operator | Nov 2023 |
| 17943 | Mahan, Janet L | | Oil & Gas Operator | Mar 2025 |
| 17944 | Mahfouz Energy Company | Houston, TX 77255 | Oil & Gas Operator | Nov 2020 |
| 17945 | Mahl, Matthew J. | Springville, NY 14141 | Gas Operator | Dec 2023 |
| 17946 | Mahler & Scott | Ruidoso, NM 88355 | Oil & Gas Operator | Aug 2003 |
| 17947 | Mahler, Kelly Operating | Graham, TX 76450 | Oil & Gas Operator | Mar 2017 |
| 17948 | Mahue Construction Company | Huntington, WV 25724-2345 | Oil & Gas Operator | Dec 2021 |
| 17949 | Mai Oil Operations, Inc. | Dallas, TX 75225 | Oil & Gas Operator | Feb 2025 |
| 17950 | Mai Operations | | Oil Operator | Dec 1996 |
| 17951 | Maier Resources Inc | Oklahoma City, OK 73157-2996 | Oil & Gas Operator | Mar 2015 |
| 17952 | Maier, H Paul | | Oil Operator | Dec 2023 |
| 17953 | Main Energy, Inc. | Houston, TX 77079 | Oil & Gas Operator | May 2009 |
| 17954 | Main Street Royalty, Inc. | Lockhart, TX 78644 | Oil & Gas Operator | Aug 1999 |
| 17955 | Maines, Wendy R. | Irving, NY 14081 | Gas Operator | Dec 2023 |
| 17956 | Mainspring LLC | Uhrichsville, OH 44683 | Oil & Gas Operator | Dec 2023 |
| 17957 | Maintainer Energy Res Corp Inc | Morris, OK 74445-2663 | Oil Operator | Jan 2025 |
| 17958 | Majestic Energy Company LLC | Keifer, OK 74041 | Oil Operator | Mar 2025 |
| 17959 | Majestic Energy Corporation | Shreveport, LA 71164 | Oil & Gas Operator | May 2013 |
| 17960 | Majestic Management Corp | | Oil Operator | Dec 2013 |
| 17961 | Majestic Oil & Gas Holding Co. | Midland, TX 79705 | Oil Operator | Jun 2025 |
| 17962 | Majestic Oil & Gas, Inc. | Pampa, TX 79066 | Oil & Gas Operator | May 2007 |
| 17963 | Majestic Petroleum Corporation | Dallas, TX 75230 | Oil & Gas Operator | Oct 1996 |
| 17964 | Majestic Petroleum Operations Inc | Story, WY 82842 | Gas Operator | Mar 2007 |
| 17965 | Majestic Petroleum Services LLC | Midland, TX 79705 | Oil Operator | Feb 2025 |
| 17966 | Majestic Resources, Inc. | Dripping SPGS, TX 78620 | Oil & Gas Operator | Nov 2007 |
| 17967 | Majoil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 1996 |
| 17968 | Major Oil Co LLC | Drumright, OK 74030 | Oil & Gas Operator | Apr 2020 |
| 17969 | Major Oil Compan | | Oil Operator | Mar 1988 |
| 17970 | Majors Eugene E | Holdenville, OK 74848-9603 | Oil & Gas Operator | Mar 2025 |
| 17971 | Majors Gary E | Holdenville, OK 74848-9603 | Oil & Gas Operator | Dec 2024 |
| 17972 | Majors Jimmy R | Osceola, NE 68651-0726 | Oil & Gas Operator | Sep 2000 |
| 17973 | Majors John Dba Majors Production Co | Weleetka, OK 74880 | Oil & Gas Operator | Feb 2025 |
| 17974 | Majors Michael | Holdenville, OK 74848-0531 | Oil & Gas Operator | Sep 1994 |
| 17975 | Majors, Linda K | | Oil Operator | Dec 2024 |
| 17976 | Mak Oil & Gas Co | | Oil Operator | Mar 2009 |
| 17977 | Mak-J Energy Partners(TX),LTD. | Denver, CO 80206 | Oil & Gas Operator | Sep 2013 |
| 17978 | Mak-J Energy Wyoming LLC | Denver, CO 80620 | Oil & Gas Operator | Nov 2012 |
| 17979 | Makar Production Company | Graham, TX 76450 | Oil & Gas Operator | Jun 2025 |
| 17980 | Makk Oil Production Inc. | Monahans, TX 79756 | Oil & Gas Operator | Jun 2025 |
| 17981 | Mako Exploration Management, LLC | Shreveport, LA 71105 | Oil & Gas Operator | Jun 2025 |
| 17982 | Mako Operating Company, LLC | Andover, KS 67002 | Gas Operator | May 2002 |
| 17983 | Makoil, Inc. | Lake Forest, CA 92630 | Oil & Gas Operator | Jul 2007 |
| 17984 | Maledon Enterprises | Austin, TX 78738 | Oil & Gas Operator | Feb 1996 |
| 17985 | Malka Production Company | Oklahoma City, OK 73101-0248 | Oil & Gas Operator | Jan 2000 |
| 17986 | Mallard Drilling Corp. | | Oil & Gas Operator | Jan 1993 |
| 17987 | Mallard Exploration, Inc. | | Oil & Gas Operator | Sep 1975 |
| 17988 | Mallard Oil & Gas | Cody, WY 82414-9640 | Oil & Gas Operator | Oct 2019 |
| 17989 | Mallard Operating LLC | | Oil & Gas Operator | Nov 2024 |
| 17990 | Mallard Petroleum, Inc. | | Oil & Gas Operator | Apr 1986 |
| 17991 | Mallett Luke-Dba Mallett Energy | New Concord, OH 43762 | Oil & Gas Operator | Dec 2016 |
| 17992 | Mallon Oil Company | Denver, CO 80202 | Oil & Gas Operator | Jun 2005 |
| 17993 | Mallonee-Mahoney | | Oil & Gas Operator | Dec 1994 |
| 17994 | Mallorn Energy LLC | Edmond, OK 73034 | Oil & Gas Operator | Mar 2025 |
| 17995 | Mallory, Meredith, Jr. | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2002 |
| 17996 | Malmac Energy Corp. | | Oil & Gas Operator | Jul 1987 |
| 17997 | Malone Donald J | | Oil Operator | Nov 1993 |
| 17998 | Malone Oil & Gas Exploration, Inc. | | Oil Operator | Dec 2018 |
| 17999 | Malone Oil Co. | | Oil & Gas Operator | Jul 2006 |
| 18000 | Malone Oil Compa | | Oil Operator | Dec 1994 |