| 19701 | Monroe Well Service-PRG | | Oil Operator | Nov 1990 |
| 19702 | Monroe Well Service-Redstone | | Oil Operator | Jul 1989 |
| 19703 | Monroe Well Service-RVS | | Oil Operator | Dec 1990 |
| 19704 | Monroe Well Service-Shemen | | Oil Operator | Dec 1988 |
| 19705 | Monroe Well Service-Shemen1984 | | Oil Operator | Jan 1989 |
| 19706 | Monroe Well Service-Shemen1985 | | Oil Operator | Nov 1990 |
| 19707 | Monroe Well Service-Sla | | Oil Operator | Mar 1989 |
| 19708 | Monroe Well Service-SPD | | Oil Operator | Dec 1988 |
| 19709 | Monroe Well Service-SPD 1985 | | Oil Operator | Dec 1988 |
| 19710 | Monroe Well Service-TBR | | Oil Operator | Aug 1991 |
| 19711 | Monroe Well Service-TG I | | Oil Operator | Oct 1990 |
| 19712 | Monroe Well Service-TG II | | Oil Operator | Oct 1990 |
| 19713 | Monroe Well Service-TG III | | Oil Operator | Jul 1992 |
| 19714 | Monroe Well Service-TG VI | | Oil Operator | Aug 1989 |
| 19715 | Monroe Well Service-Tpa 1985 | | Oil Operator | Dec 1990 |
| 19716 | Monroe Well Service-Vista | | Oil Operator | Nov 1990 |
| 19717 | Monroe Well Service-West End | | Oil Operator | Dec 1988 |
| 19718 | Monroe Well Service-York | | Oil Operator | Dec 1988 |
| 19719 | Monroe, Cameron | Westfield, NY 14787 | Gas Operator | Dec 2023 |
| 19720 | Monsanto | Englewood, CO 80111 | Oil & Gas Operator | Apr 1986 |
| 19721 | Monsanto Company | Indianapolis, IN 46280 | Oil & Gas Operator | Jan 2005 |
| 19722 | Monsanto Oil Com | | Oil Operator | Nov 1996 |
| 19723 | Monsanto Oil Company | | Oil & Gas Operator | Apr 1986 |
| 19724 | Mont-Land Co. | Graham, TX 76450 | Oil & Gas Operator | Mar 2008 |
| 19725 | Montalban Oil & Gas Operations, Inc. | Cut Bank, MT 59427 | Oil & Gas Operator | Mar 2025 |
| 19726 | Montana Energy Company, LLC | McAllen, TX 78501 | Oil & Gas Operator | Dec 2024 |
| 19727 | Montana Heartland LLC | Bismarck, ND 58504 | Oil & Gas Operator | Feb 2025 |
| 19728 | Montana Land & Exploration, Inc. | Calgary, AB T2P 3E7 | Oil & Gas Operator | Apr 2019 |
| 19729 | Montana Land & Mineral Co. | Billings, MT 59105 | Gas Operator | Jan 2025 |
| 19730 | Montana Oil Field Acquisition I, LLC | Rutherford, NJ 07070 | Oil Operator | Jun 2016 |
| 19731 | Montana Power Company | Butte, MT 59701 | Oil & Gas Operator | Apr 2002 |
| 19732 | Montana Power Gas Company | | Oil & Gas Operator | Apr 2002 |
| 19733 | Montani Energy, LLC | Smithville, WV 26178 | Gas Operator | Dec 2021 |
| 19734 | Montare Operating, LTD. | Flower Mound, TX 75022 | Oil & Gas Operator | May 2025 |
| 19735 | Montclair Energy LLC | Edmond, OK 73034-7291 | Oil & Gas Operator | Feb 2025 |
| 19736 | Montclair Production Company | Austin, TX 78755 | Oil & Gas Operator | May 2025 |
| 19737 | Montco Oil & Gas, Inc. | Pampa, TX 79066 | Oil & Gas Operator | May 1999 |
| 19738 | Monte Grande Exploration, Inc. | Cut Bank, MT 59427 | Oil Operator | Oct 2000 |
| 19739 | Montego Resources Inc | Oklahoma City, OK 73172-0192 | Oil & Gas Operator | Mar 2015 |
| 19740 | Monterey Pipeline Co. | | Oil Operator | Aug 1993 |
| 19741 | Monterey Production Company LLC | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2025 |
| 19742 | Monterey Resources Inc. | | Oil & Gas Operator | Dec 1997 |
| 19743 | Monterey Resources LLC | Dallas, TX 75230 | Oil & Gas Operator | Oct 2019 |
| 19744 | Montex Drilling Company LLC | Fort Worth, TX 76102 | Oil & Gas Operator | May 2025 |
| 19745 | Montex Exploration | Sugarland, TX 77478 | Oil Operator | Apr 2003 |
| 19746 | Montex Exploration Company | Houston, TX 77057 | Oil & Gas Operator | Mar 2011 |
| 19747 | Montgomery Count | | Oil Operator | Dec 1992 |
| 19748 | Montgomery Exploration Co LTD | Dallas, TX 75204-2634 | Oil & Gas Operator | Mar 2025 |
| 19749 | Montgomery Jake E | Henryetta, OK 74437 | Oil & Gas Operator | Jan 2025 |
| 19750 | Montgomery Oil & Gas Expl Inc | Tulsa, OK 74170-1884 | Oil & Gas Operator | Mar 2005 |
| 19751 | Montgomery Oil Co | | Oil Operator | Dec 2018 |
| 19752 | Montgomery Petroleum, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Aug 2007 |
| 19753 | Montgomery Production & Operating LLC | Herington, KS 67449 | Oil & Gas Operator | Jan 2025 |
| 19754 | Montgomery Royalty | Moran, TX 76464 | Oil & Gas Operator | May 2025 |
| 19755 | Monticola Exploration & Production, Inc. | | Gas Operator | Dec 2021 |
| 19756 | Montrose Operating LLC | Broken Arrow, OK 74012 | Oil & Gas Operator | May 2025 |
| 19757 | Monty L Hott Production Corporation | Oklahoma City, OK 73142 | Oil & Gas Operator | Feb 2025 |
| 19758 | Monument Gas Marketing Inc | | Oil & Gas Operator | Feb 2025 |
| 19759 | Monument Global Resources Inc | Dallas, TX 75243 | Oil & Gas Operator | Jan 2025 |
| 19760 | Monument Production Inc. | | Oil & Gas Operator | Dec 2011 |
| 19761 | Monument Resources, Inc. | Castle Rock, CO 80104 | Oil & Gas Operator | Jun 2012 |
| 19762 | Moody Energy Co. | Canadian, TX 79014 | Oil & Gas Operator | Dec 2004 |
| 19763 | Moody Oil & Gas Co. | Bridgeport, WV 26330-1051 | Oil & Gas Operator | Dec 2004 |
| 19764 | Moody Oil Co. | Pearsall, TX 78061 | Oil & Gas Operator | May 2025 |
| 19765 | Moog Inc. | | Gas Operator | Dec 2023 |
| 19766 | Moon Operating, Inc. | Longview, TX 75601 | Oil & Gas Operator | Mar 2003 |
| 19767 | Moon-Hines-Tigrett Operating Co., Inc. | | Oil & Gas Operator | Feb 2025 |
| 19768 | Moon-Hines-Tigrett Opr Co Inc | | Oil & Gas Operator | Oct 1995 |
| 19769 | Moonlight Oil And Gas, LLC | | Oil & Gas Operator | Dec 2021 |
| 19770 | Moonlite Oil & Gas Company | Imperial, TX 79743 | Oil & Gas Operator | May 2025 |
| 19771 | Moontower Resources Op, LLC | Austin, TX 78732 | Oil & Gas Operator | May 2025 |
| 19772 | Moore & Associates | Denver, CO 80202 | Oil & Gas Operator | Dec 1993 |
| 19773 | Moore & Gilmore | Midland, TX 79701 | Oil & Gas Operator | Oct 2008 |
| 19774 | Moore & Moore Energy Inc | Purcell, OK 73080-0674 | Oil & Gas Operator | Dec 2012 |
| 19775 | Moore Clay | Bradenton, FL 34211 | Oil & Gas Operator | Feb 2025 |
| 19776 | Moore County Gas Partners, L.P. | Borger, TX 79007 | Gas Operator | May 2025 |
| 19777 | Moore David K | Duncan, OK 73575 | Oil & Gas Operator | Oct 2009 |
| 19778 | Moore Don | Elmore City, OK 73433 | Oil & Gas Operator | Mar 2025 |
| 19779 | Moore DRLG LLC | MT Vernon, OH 43050 | Oil Operator | Dec 2024 |
| 19780 | Moore Energy Services, LLC | Iowa Park, TX 76367 | Oil Operator | Mar 2024 |
| 19781 | Moore Gas And Oil | Monahans, TX 79756 | Oil Operator | May 2025 |
| 19782 | Moore Investment Co. | Abilene, TX 79604 | Oil & Gas Operator | May 2025 |
| 19783 | Moore Investments LC | Oklahoma City, OK 73116-9044 | Oil & Gas Operator | Feb 2023 |
| 19784 | Moore Lynn D | Collinsville, OK 74021 | Oil Operator | Aug 2013 |
| 19785 | Moore McCormack Energy, Inc. | | Oil & Gas Operator | Jul 1988 |
| 19786 | Moore Michael | MT Vernon, OH 43050 | Oil & Gas Operator | Dec 2013 |
| 19787 | Moore Norman L | Sasakwa, OK 74867 | Oil Operator | Feb 2025 |
| 19788 | Moore Oil & Gas-Marion Corp. | | Oil & Gas Operator | Nov 1986 |
| 19789 | Moore Oil And Gas | Burleson, TX 76028 | Oil & Gas Operator | May 2025 |
| 19790 | Moore Petroleum Invest Corp | Norman, OK 73072-4217 | Oil & Gas Operator | Feb 2025 |
| 19791 | Moore Resources LLC | Mogadore, OH 44260 | Oil & Gas Operator | Dec 2024 |
| 19792 | Moore Richard L | Morris, OK 74445 | Oil Operator | Aug 2013 |
| 19793 | Moore Robert L | Perryton, TX 79070-1275 | Oil & Gas Operator | Apr 2020 |
| 19794 | Moore Tommy M | Sapulpa, OK 74066-8273 | Oil & Gas Operator | May 2013 |
| 19795 | Moore W T | Sapulpa, OK 74067-0946 | Oil & Gas Operator | Jan 2021 |
| 19796 | Moore Well Services Inc | Mogadore, OH 44260 | Oil & Gas Operator | Dec 2024 |
| 19797 | Moore&Munger Hydrocarbons Inc | | Oil Operator | May 1987 |
| 19798 | Moore, Brent L. | McPherson, KS 67460 | Oil Operator | Dec 1996 |
| 19799 | Moore, Clay (Deceased) | Dallas, TX 75218 | Oil Operator | Sep 2001 |
| 19800 | Moore, Douglas L. | Gridley, KS 66852 | Oil Operator | Jan 2019 |