| 7401 | Munson, Charles C. | Dallas, TX 75201 | Oil & Gas Operator | Apr 2002 |
| 7402 | Munson, David M. | Dallas, TX 75201 | Oil & Gas Operator | Mar 2015 |
| 7403 | Munson, David M. Inc. | Dallas, TX 75251 | Oil & Gas Operator | Apr 2026 |
| 7404 | Munson, E. P., Jr. | Fort Worth, TX 76121 | Oil & Gas Operator | Oct 1995 |
| 7405 | Muras Energy Inc | Edmond, OK 73013 | Oil & Gas Operator | Jan 2026 |
| 7406 | Murchison Oil & Gas Inc | Plano, TX 75024 | Oil & Gas Operator | Aug 2020 |
| 7407 | Murchison Oil And Gas, LLC | Plano, TX 75024 | Oil & Gas Operator | Feb 2025 |
| 7408 | Murchison, G. B. Trust | Dallas, TX 75283 | Oil & Gas Operator | Sep 1994 |
| 7409 | Murex Petroleum Corporation | Humble, TX 77347 | Oil & Gas Operator | Feb 2026 |
| 7410 | Murjo Oil & Royalty Company | Fort Worth, TX 76121 | Oil & Gas Operator | Dec 2019 |
| 7411 | Muroz International Group Inc | Houston, TX 77056 | Oil Operator | Apr 2026 |
| 7412 | Murphree Brothers Production | Monahans, TX 79756 | Oil & Gas Operator | Apr 2026 |
| 7413 | Murphree Production | Monahans, TX 79756 | Oil & Gas Operator | Jul 2014 |
| 7414 | Murphy & Associates, Inc. | Snyder, TX 79549 | Oil & Gas Operator | Oct 1996 |
| 7415 | Murphy Energy Services, LP | Saratoga, TX 77585 | Oil Operator | Dec 2018 |
| 7416 | Murphy Expl. & Prod. Co. - USA | Houston, TX 77024 | Oil & Gas Operator | Apr 2026 |
| 7417 | Murphy Exploration & Prod. Co. | Houston, TX 77094 | Oil & Gas Operator | Jun 2011 |
| 7418 | Murphy Exploration & Production | Houston, TX 77024 | Oil Operator | Jan 2025 |
| 7419 | Murphy Oil USA, Inc. | New Orleans, LA 70161 | Oil & Gas Operator | Jan 1993 |
| 7420 | Murphy Production Corp. | Austin, TX 78731 | Oil & Gas Operator | Sep 2013 |
| 7421 | Murphy, Bill W. Operating Co,Inc | Richardson, TX 75080 | Oil & Gas Operator | Apr 2026 |
| 7422 | Murphy, K. P. Oil Operator | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2026 |
| 7423 | Murray, Tom Enterprises | Monahans, TX 79756 | Oil & Gas Operator | Apr 2026 |
| 7424 | Muskegon Development Company | MT Pleasant, MI 48858 | Oil & Gas Operator | Apr 2026 |
| 7425 | Musselman, Owen & King Oper.,Inc | Houston, TX 77002 | Oil & Gas Operator | Feb 1998 |
| 7426 | Mustang Drilling, Inc. | Henderson, TX 75653 | Oil & Gas Operator | Aug 2024 |
| 7427 | Mustang Drilling, LTD. | Henderson, TX 75653 | Oil & Gas Operator | May 2008 |
| 7428 | Mustang Energy Inc. | Porter, TX 77365 | Oil & Gas Operator | Mar 2008 |
| 7429 | Mustang Fuel Corp. Of Oklahoma | Oklahoma City, OK 73106 | Oil & Gas Operator | Nov 2016 |
| 7430 | Mustang Fuel Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Apr 2026 |
| 7431 | Mustang Oil & Gas Corporation | Wichita Falls, TX 76308 | Oil & Gas Operator | Jul 2021 |
| 7432 | Mustang Operating Company | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2006 |
| 7433 | MV Purchasing LLC | Wichita, KS 67206 | Oil & Gas Operator | Dec 2019 |
| 7434 | MV2 Energy, Inc. | Houston, TX 77069 | Oil & Gas Operator | Apr 2026 |
| 7435 | MW Petroleum Corporation | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 7436 | MWJ Producing Company | Midland, TX 79701 | Oil & Gas Operator | Jul 1998 |
| 7437 | MWL Energy LLC | Hamlin, TX 79520 | Oil Operator | Apr 2026 |
| 7438 | MWS Producing, Inc. | Stanton, TX 79782 | Oil & Gas Operator | Apr 2026 |
| 7439 | MWWD Operator, LLC | Victoria, TX 77904 | Oil Operator | Apr 2026 |
| 7440 | My Hop Mineral | Moorhead, MN 56560 | Oil & Gas Operator | Apr 2026 |
| 7441 | Myco Energy, Inc. | San Angelo, TX 76906 | Oil & Gas Operator | Dec 2003 |
| 7442 | Myco Industries, Inc. | Artesia, NM 88211 | Oil & Gas Operator | Feb 2015 |
| 7443 | Myco Petroleum | Lovington, NM 88260 | Oil & Gas Operator | Apr 2026 |
| 7444 | Myd, Inc. | Irving, TX 75062 | Oil & Gas Operator | Mar 1998 |
| 7445 | Myers, A. J. | Jacksboro, TX 76458 | Oil & Gas Operator | Apr 2026 |
| 7446 | Myers, James B. | Olney, TX 76374 | Oil & Gas Operator | Apr 2026 |
| 7447 | Myriad Resources Corporation | Pampa, TX 79066 | Oil & Gas Operator | Apr 2026 |
| 7448 | Myung And Associates, Inc. | Houston, TX 77056 | Oil & Gas Operator | May 2000 |
| 7449 | MZ Operating, Inc | Midland, TX 79701 | Oil & Gas Operator | Apr 1994 |
| 7450 | N & B Oil And Gas LLC | Monahans, TX 79756 | Oil & Gas Operator | Apr 2026 |
| 7451 | N & O Oil Co. | Imperial, TX 79743 | Oil & Gas Operator | Apr 2026 |
| 7452 | N C B Oil Company | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 7453 | N S P Operating Group LLC | El Campo, TX 77437 | Oil & Gas Operator | Aug 2021 |
| 7454 | N. A. Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Dec 2007 |
| 7455 | N. E. Operating Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2013 |
| 7456 | Nabers, Lynn | Austin, TX 78751 | Gas Operator | Jul 2010 |
| 7457 | Nabob Production Company | Amarillo, TX 79105 | Gas Operator | Dec 1991 |
| 7458 | Naco Production | Midland, TX 79708 | Oil & Gas Operator | Aug 2003 |
| 7459 | Nacogdoches Oil & Gas Inc | Nacogdoches, TX 75963 | Oil & Gas Operator | Apr 2026 |
| 7460 | Nadel & Gussman | Tulsa, OK 74103 | Oil & Gas Operator | May 2007 |
| 7461 | Nadel And Gussman LLC | Tulsa, OK 74119 | Oil & Gas Operator | Apr 2026 |
| 7462 | Nadel And Gussman Permian,L.L.C. | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2026 |
| 7463 | Nadsoilco LLC | The Woodlands, TX 77382 | Oil & Gas Operator | Apr 2026 |
| 7464 | Naifco Oil & Gas LLC | Oklahoma City, OK 73107 | Oil & Gas Operator | Jan 2026 |
| 7465 | Nails Operating Company LLC | Hondo, TX 78861 | Oil Operator | Apr 2026 |
| 7466 | Nall Oil & Gas | Mineral Wells, TX 76067 | Oil & Gas Operator | Apr 2026 |
| 7467 | Nance Engineering Inc. | Houston, TX 77058 | Oil & Gas Operator | Mar 2002 |
| 7468 | Narbo Farms, LTD. | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 7469 | Nasser Oil & Gas, Inc. | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 1998 |
| 7470 | National Energy Group Inc | Dallas, TX 75206 | Oil & Gas Operator | Sep 2014 |
| 7471 | National Investors Group | Warren, OH 44481 | Oil & Gas Operator | Nov 1996 |
| 7472 | National Offshore LP | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2008 |
| 7473 | National Onshore LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2008 |
| 7474 | Natural Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Jul 1997 |
| 7475 | Natural Gas Anadarko Company | Perryton, TX 79070 | Oil & Gas Operator | Apr 2026 |
| 7476 | Natural Gas Anadarko Inc | Perryton, TX 79070 | Oil & Gas Operator | May 1999 |
| 7477 | Natural Gas MKTG. & Storage Co. | Houston, TX 77251 | Oil & Gas Operator | Sep 1996 |
| 7478 | Natural Gas Pipeline Co Of Amer. | Houston, TX 77002 | Gas Operator | Jul 2008 |
| 7479 | Natural Petroleum Company | Overton, TX 75684 | Oil & Gas Operator | Jun 1994 |
| 7480 | Natural Reserves Group, Inc. | Houston, TX 77057 | Oil & Gas Operator | Jun 1993 |
| 7481 | Naumann Oil & Gas, Inc. | Austin, TX 78716 | Oil & Gas Operator | Apr 2026 |
| 7482 | Nautilus Exploration, Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Nov 2021 |
| 7483 | Navajo Exploration, Inc. | Corpus Christ, TX 78410 | Oil & Gas Operator | Apr 2026 |
| 7484 | Navalo | Rockdale, TX 76567 | Oil Operator | Apr 2026 |
| 7485 | Navarro Exploration Co., Inc. | Kingwood, TX 77345 | Oil & Gas Operator | Apr 2026 |
| 7486 | Navarro Operating Co. | Kilgore, TX 75663 | Oil & Gas Operator | Aug 2003 |
| 7487 | Navidad Operating Company, LLC | Flint, TX 75762 | Oil & Gas Operator | Jan 2025 |
| 7488 | Navidad Resources, LLC | Bullard, TX 75757 | Oil & Gas Operator | Apr 2026 |
| 7489 | Navus Operating, Inc. | Dallas, TX 75367 | Oil & Gas Operator | Apr 2026 |
| 7490 | Nbi Services, Inc. | Tulsa, OK 74159 | Oil & Gas Operator | Apr 2026 |
| 7491 | NBL Permian LLC | Houston, TX 77070 | Oil & Gas Operator | Aug 2018 |
| 7492 | NBX Energy, LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Apr 2026 |
| 7493 | Ncec, Inc. | Winnsboro, TX 75494 | Oil & Gas Operator | May 1994 |
| 7494 | Ncey Holdings, LLC | Houston, TX 77056 | Oil & Gas Operator | Jun 2013 |
| 7495 | Neal, Jack Engineering, Inc. | Abilene, TX 79603 | Oil & Gas Operator | Feb 2011 |
| 7496 | Nearburg Producing Company | Dallas, TX 75380 | Oil & Gas Operator | Apr 2026 |
| 7497 | Neas Operating | Pampa, TX 79065 | Oil & Gas Operator | Oct 2011 |
| 7498 | Neas Operating, LLC | Wimberley, TX 78676 | Oil & Gas Operator | Apr 2026 |
| 7499 | Neatherlin, Earl Inc. | Avoca, TX 79503 | Oil & Gas Operator | Apr 2026 |
| 7500 | Nec Operating, LLC | Southlake, TX 76092 | Oil & Gas Operator | Apr 2026 |