| 19701 | Mutual Oil & Gas Co | Akron, OH 44311 | Oil & Gas Operator | Dec 2000 |
| 19702 | Mutz Oil Operator | | Oil Operator | Dec 1988 |
| 19703 | Muzyl Oil Corp | | Oil & Gas Operator | May 2026 |
| 19704 | MV Purchasing LLC | Wichita, KS 67206 | Oil & Gas Operator | Dec 2019 |
| 19705 | MV2 Energy, Inc. | Houston, TX 77069 | Oil & Gas Operator | Jul 2026 |
| 19706 | MVM Resources Louisiana L.L.C. | | Oil & Gas Operator | Jan 2025 |
| 19707 | MVP Production Inc. | | Oil & Gas Operator | Apr 2005 |
| 19708 | MVRC Partnership | Russell, KS 67655 | Oil Operator | Jan 1992 |
| 19709 | MW Oil, Inc | | Oil & Gas Operator | Mar 2026 |
| 19710 | MW Petroleum Corporation | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 19711 | MWJ Producing Company | Midland, TX 79701 | Oil & Gas Operator | Jul 1998 |
| 19712 | MWK Petroleum, LLC | Augusta, KS 67010 | Oil Operator | Mar 2026 |
| 19713 | MWL Energy LLC | Hamlin, TX 79520 | Oil Operator | Jul 2026 |
| 19714 | MWS Producing, Inc. | Stanton, TX 79782 | Oil & Gas Operator | Jul 2026 |
| 19715 | MWWD Operator, LLC | Victoria, TX 77904 | Oil Operator | Jul 2026 |
| 19716 | MXP Operating LLC | Covington, TX 76093 | Oil & Gas Operator | Feb 2026 |
| 19717 | My Hop Mineral | Moorhead, MN 56560 | Oil & Gas Operator | Jul 2026 |
| 19718 | My Investments Too LLC | | Oil Operator | Feb 2026 |
| 19719 | Myco Energy, Inc. | San Angelo, TX 76906 | Oil & Gas Operator | Dec 2003 |
| 19720 | Myco Industries, Inc. | Artesia, NM 88211 | Oil & Gas Operator | Feb 2015 |
| 19721 | Myco Petroleum | Lovington, NM 88260 | Oil & Gas Operator | Jul 2026 |
| 19722 | Myd, Inc. | Irving, TX 75062 | Oil & Gas Operator | Mar 1998 |
| 19723 | Myers Drilling And Exploration Inc. | Sedan, KS 67361 | Oil Operator | Aug 2022 |
| 19724 | Myers Drilling Company | Barboursville, WV 25504 | Oil & Gas Operator | Dec 2025 |
| 19725 | Myers Robert W J | | Oil Operator | Jun 1991 |
| 19726 | Myers, A. J. | Jacksboro, TX 76458 | Oil & Gas Operator | Jul 2026 |
| 19727 | Myers, Gus & Annie | Sedan, KS 67361 | Oil Operator | Aug 2017 |
| 19728 | Myers, James B. | Olney, TX 76374 | Oil & Gas Operator | Jul 2026 |
| 19729 | Myers, Robert L | | Oil Operator | Apr 2026 |
| 19730 | Myjo Oil Corporation | Breckenridge, TX 76024 | Oil Operator | Jul 1996 |
| 19731 | Myriad Resources Corporation | Pampa, TX 79066 | Oil & Gas Operator | Jul 2026 |
| 19732 | Mystique Developments | Denver, CO 80202 | Oil & Gas Operator | Dec 1997 |
| 19733 | Mystique Resources Company | Aurora, CO 80016 | Oil & Gas Operator | Feb 2023 |
| 19734 | Myung And Associates, Inc. | Houston, TX 77056 | Oil & Gas Operator | May 2000 |
| 19735 | MZ Operating, Inc | Midland, TX 79701 | Oil & Gas Operator | Apr 1994 |
| 19736 | N & B Enterprise | | Oil Operator | Nov 1994 |
| 19737 | N & B Enterprises, Inc. | Iola, KS 66749 | Oil & Gas Operator | Mar 2026 |
| 19738 | N & B Oil And Gas LLC | Monahans, TX 79756 | Oil & Gas Operator | Jul 2026 |
| 19739 | N & K Oil & Gas Inc | Marietta, OH 45750 | Oil & Gas Operator | Dec 1998 |
| 19740 | N & N Oil | Somerset, OH 43783 | Oil & Gas Operator | Dec 2014 |
| 19741 | N & N Oil LLC | Duncan, OK 73533 | Oil & Gas Operator | May 2023 |
| 19742 | N & O Oil Co. | Imperial, TX 79743 | Oil & Gas Operator | Jul 2026 |
| 19743 | N & P Enterprises | | Oil Operator | May 1997 |
| 19744 | N & W Enterprises, Inc. | Fort Scott, KS 66701 | Oil Operator | Mar 2026 |
| 19745 | N And B Exploration, Inc. | | Oil & Gas Operator | Jun 1993 |
| 19746 | N C B Oil Company | Graham, TX 76450 | Oil & Gas Operator | Jul 2026 |
| 19747 | N Central Casing Pullers, Inc. | | Oil & Gas Operator | May 1994 |
| 19748 | N Dale Nichols | Midland, TX 79703 | Oil & Gas Operator | Jun 2004 |
| 19749 | N Eastern Oh O&G Exp Inc | Cleveland, OH 44106 | Oil & Gas Operator | Dec 1999 |
| 19750 | N H Wheless Oil Company | Shreveport, LA 71101 | Gas Operator | Sep 2002 |
| 19751 | N L S Inc | Kimberling City, MO 65686 | Oil & Gas Operator | Aug 2016 |
| 19752 | N S P Operating Group LLC | El Campo, TX 77437 | Oil & Gas Operator | Aug 2021 |
| 19753 | N-10 Exploration, LLC | Attica, KS 67009 | Oil & Gas Operator | Nov 2025 |
| 19754 | N-A Energy LLC | Arvada, CO 80005 | Oil Operator | Mar 2026 |
| 19755 | N-B Company Inco | | Oil & Gas Operator | Apr 1992 |
| 19756 | N. A. Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Dec 2007 |
| 19757 | N. B. Hunt | | Oil & Gas Operator | May 1981 |
| 19758 | N. E. Loomis | | Oil Operator | Oct 1986 |
| 19759 | N. E. Operating Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2013 |
| 19760 | N. J. Pardue | | Oil & Gas Operator | Jul 1994 |
| 19761 | N. R. Price | | Oil & Gas Operator | Nov 1983 |
| 19762 | N. T. Rutledge Oil Co. | | Oil Operator | Jan 1989 |
| 19763 | N. W. Corporation | | Gas Operator | Jan 1989 |
| 19764 | N.F. Producers, Inc. | Berthoud, CO 80513 | Oil Operator | Mar 2026 |
| 19765 | Nabers, Lynn | Austin, TX 78751 | Gas Operator | Jul 2010 |
| 19766 | Nabi Energy Holdings Limited LLC | Wichita Falls, TX 76306 | Oil Operator | Jul 2026 |
| 19767 | Nabob Production Company | Amarillo, TX 79105 | Gas Operator | Dec 1991 |
| 19768 | Nabors Drilling Company, Inc. | | Oil & Gas Operator | Sep 1977 |
| 19769 | Nabors Well Services LTD | Houston, TX 77067-4536 | Oil Operator | Apr 2011 |
| 19770 | Nabors-Johnson Prod Co., Inc. | | Oil & Gas Operator | Dec 2020 |
| 19771 | Nacatosh Gas Incorporated | | Oil & Gas Operator | Aug 2013 |
| 19772 | Naco Production | Midland, TX 79708 | Oil & Gas Operator | Aug 2003 |
| 19773 | Nacogdoches Oil & Gas Inc | Nacogdoches, TX 75963 | Oil & Gas Operator | Jul 2026 |
| 19774 | Nacogdoches Oil & Gas, LLC | Nacogdoches, TX 75961 | Oil & Gas Operator | Dec 2017 |
| 19775 | Nadel & Gussman | Tulsa, OK 74103 | Oil & Gas Operator | May 2007 |
| 19776 | Nadel & Gussman-Jetta Oper. Co. | | Oil & Gas Operator | Mar 2012 |
| 19777 | Nadel And Gussman Heyco, LLC | Roswell, NM 88202 | Oil & Gas Operator | Dec 2014 |
| 19778 | Nadel And Gussman LLC | Tulsa, OK 74119 | Oil & Gas Operator | Jul 2026 |
| 19779 | Nadel And Gussman Permian,L.L.C. | Tulsa, OK 74103 | Oil & Gas Operator | Jul 2026 |
| 19780 | Nadel And Gussman Rockies, LLC | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2012 |
| 19781 | Nadel And Gussman Ruston, LLC | | Oil & Gas Operator | Dec 2024 |
| 19782 | Nadk, LLC | Orem, UT 84097 | Oil & Gas Operator | Apr 2026 |
| 19783 | Nadsoilco LLC | The Woodlands, TX 77382 | Oil & Gas Operator | Jul 2026 |
| 19784 | Nae, Inc. | Kerrville, TX 78028 | Oil Operator | Feb 2026 |
| 19785 | Naftex Operating Company | | Oil & Gas Operator | Apr 2026 |
| 19786 | Nagel, Arthur F. & Elaine L. | South Dayton, NY 14138 | Gas Operator | Dec 2025 |
| 19787 | Nahama & Weagant Energy Company | | Oil & Gas Operator | Dec 1997 |
| 19788 | Naifco Oil & Gas LLC | Oklahoma City, OK 73107 | Oil & Gas Operator | May 2026 |
| 19789 | Nail Stephen Dba Nail Oil & Gas | Maud, OK 74854 | Oil Operator | Aug 2025 |
| 19790 | Nails Operating Company LLC | Hondo, TX 78861 | Oil Operator | Jul 2026 |
| 19791 | Nairn, Robert | Elkhart, KS 67950 | Gas Operator | Apr 2011 |
| 19792 | Nall Oil & Gas | Mineral Wells, TX 76067 | Oil & Gas Operator | Jul 2026 |
| 19793 | Nally, Joseph L | Uniontown, KY 42461 | Oil & Gas Operator | Dec 2021 |
| 19794 | Nami Resources Company, LLC | | Oil & Gas Operator | Dec 2024 |
| 19795 | Nana Oil & Gas Inc. | | Oil & Gas Operator | Jan 2018 |
| 19796 | Nance Engineering Inc. | Houston, TX 77058 | Oil & Gas Operator | Mar 2002 |
| 19797 | Nance Petroleum Corporation | Billings, MT 59103-7168 | Oil & Gas Operator | Nov 2007 |
| 19798 | Nanco Resources, LLC | | Gas Operator | Dec 2021 |
| 19799 | Nancy Oil & Gas Corp | Tulsa, OK 74101 | Oil Operator | Apr 2020 |
| 19800 | Nancy Wilcox E Qualls | Farmington, NM 87410 | Gas Operator | May 2017 |