| 7501 | Murphy Exploration & Prod. Co. | Houston, TX 77094 | Oil & Gas Operator | Jun 2011 |
| 7502 | Murphy Exploration & Production | Houston, TX 77024 | Oil Operator | Oct 2024 |
| 7503 | Murphy Oil USA Inc | New Orleans, LA 70161 | Oil & Gas Operator | Jan 1993 |
| 7504 | Murphy Production Corp. | Austin, TX 78731 | Oil & Gas Operator | Sep 2013 |
| 7505 | Murphy, Bill W. Operating Co,Inc | Richardson, TX 75080 | Oil & Gas Operator | Mar 2025 |
| 7506 | Murphy, K. P. Oil Operator | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2025 |
| 7507 | Murray, Tom Enterprises | Monahans, TX 79756 | Oil & Gas Operator | Mar 2025 |
| 7508 | Muskegon Development Company | MT Pleasant, MI 48858 | Oil & Gas Operator | Mar 2025 |
| 7509 | Musselman, Owen & King Oper.,Inc | Houston, TX 77002 | Oil & Gas Operator | Feb 1998 |
| 7510 | Mustang Drilling, Inc. | Henderson, TX 75653 | Oil & Gas Operator | Aug 2024 |
| 7511 | Mustang Drilling, LTD. | Henderson, TX 75653 | Oil & Gas Operator | May 2008 |
| 7512 | Mustang Energy Inc. | Porter, TX 77365 | Oil & Gas Operator | Mar 2008 |
| 7513 | Mustang Fuel Corp. Of Oklahoma | Oklahoma City, OK 73106 | Oil & Gas Operator | Nov 2016 |
| 7514 | Mustang Fuel Corporation | Oklahoma City, OK 73114 | Oil & Gas Operator | Jan 2025 |
| 7515 | Mustang Oil & Gas Corporation | Wichita Falls, TX 76308 | Oil & Gas Operator | Jul 2021 |
| 7516 | Mustang Operating Company | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2006 |
| 7517 | MV2 Energy, Inc. | Houston, TX 77069 | Oil & Gas Operator | Mar 2025 |
| 7518 | MW Petroleum Corporation | Houston, TX 77056 | Oil & Gas Operator | Mar 2015 |
| 7519 | MWJ Producing Company | Midland, TX 79701 | Oil & Gas Operator | Jul 1998 |
| 7520 | MWL Energy LLC | Hamlin, TX 79520 | Oil Operator | Mar 2025 |
| 7521 | MWS Producing, Inc. | Stanton, TX 79782 | Oil & Gas Operator | Mar 2025 |
| 7522 | MWWD Operator, LLC | Victoria, TX 77904 | Oil Operator | Mar 2025 |
| 7523 | My Hop Mineral | Moorhead, MN 56560 | Oil & Gas Operator | Mar 2025 |
| 7524 | Myco Energy, Inc. | San Angelo, TX 76906 | Oil & Gas Operator | Dec 2003 |
| 7525 | Myco Industries, Inc. | Artesia, NM 88211 | Oil & Gas Operator | Feb 2015 |
| 7526 | Myco Petroleum | Lovington, NM 88260 | Oil & Gas Operator | Mar 2025 |
| 7527 | Myd, Inc. | Irving, TX 75062 | Oil & Gas Operator | Mar 1998 |
| 7528 | Myers, A. J. | Jacksboro, TX 76458 | Oil & Gas Operator | Mar 2025 |
| 7529 | Myers, James B. | Olney, TX 76374 | Oil & Gas Operator | Mar 2025 |
| 7530 | Myriad Resources Corporation | Pampa, TX 79066 | Oil & Gas Operator | Mar 2025 |
| 7531 | Myung And Associates, Inc. | Houston, TX 77056 | Oil & Gas Operator | May 2000 |
| 7532 | MZ Operating, Inc | Midland, TX 79701 | Oil & Gas Operator | Apr 1994 |
| 7533 | N & B Oil And Gas LLC | Monahans, TX 79756 | Oil & Gas Operator | Mar 2025 |
| 7534 | N & O Oil Co. | Imperial, TX 79743 | Oil & Gas Operator | Mar 2025 |
| 7535 | N C B Oil Company | Graham, TX 76450 | Oil & Gas Operator | Mar 2025 |
| 7536 | N S P Operating Group LLC | El Campo, TX 77437 | Oil & Gas Operator | Aug 2021 |
| 7537 | N. A. Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Dec 2007 |
| 7538 | N. E. Operating Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2013 |
| 7539 | Nabers, Lynn | Austin, TX 78751 | Gas Operator | Jul 2010 |
| 7540 | Nabob Production Company | Amarillo, TX 79105 | Gas Operator | Dec 1991 |
| 7541 | Naco Production | Midland, TX 79708 | Oil & Gas Operator | Aug 2003 |
| 7542 | Nacogdoches Oil & Gas Inc | Nacogdoches, TX 75963 | Oil & Gas Operator | Mar 2025 |
| 7543 | Nadcf Recovery Group, Inc. | Chapin, SC 29036 | Oil & Gas Operator | Mar 2025 |
| 7544 | Nadel And Gussman | Tulsa, OK 74103 | Oil & Gas Operator | May 2007 |
| 7545 | Nadel And Gussman Permian,L.L.C. | Tulsa, OK 74103 | Oil & Gas Operator | Mar 2025 |
| 7546 | Nadel And Gussman, L.L.C. | Tulsa, OK 74119 | Oil & Gas Operator | Mar 2025 |
| 7547 | Nadsoilco LLC | Dallas, TX 75204 | Oil & Gas Operator | Mar 2025 |
| 7548 | Naifco Oil & Gas LLC | Oklahoma City, OK 73107 | Oil & Gas Operator | Dec 2024 |
| 7549 | Nails Operating Company LLC | Hondo, TX 78861 | Oil Operator | Mar 2025 |
| 7550 | Nall Oil & Gas | Mineral Wells, TX 76067 | Oil & Gas Operator | Mar 2025 |
| 7551 | Nance Engineering Inc. | Houston, TX 77058 | Oil & Gas Operator | Mar 2002 |
| 7552 | Narbo Farms, LTD. | Midland, TX 79702 | Oil & Gas Operator | Mar 2025 |
| 7553 | Nasser Oil & Gas, Inc. | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 1998 |
| 7554 | National Energy Group, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Sep 2014 |
| 7555 | National Investors Group | Warren, OH 44481 | Oil & Gas Operator | Nov 1996 |
| 7556 | National Offshore LP | Oklahoma City, OK 73154 | Oil & Gas Operator | Mar 2008 |
| 7557 | National Onshore LP | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2008 |
| 7558 | National Surface & Minerals, LLC | Addison, TX 75001 | Gas Operator | Jan 2023 |
| 7559 | Natural Energy, Inc. | Abilene, TX 79608 | Oil & Gas Operator | Jul 1997 |
| 7560 | Natural Gas Anadarko Company | Perryton, TX 79070 | Oil & Gas Operator | Mar 2025 |
| 7561 | Natural Gas Anadarko Inc | Perryton, TX 79070 | Oil & Gas Operator | May 1999 |
| 7562 | Natural Gas MKTG. & Storage Co. | Houston, TX 77251 | Oil & Gas Operator | Sep 1996 |
| 7563 | Natural Gas Pipeline Co Of Amer. | Houston, TX 77002 | Gas Operator | Jul 2008 |
| 7564 | Natural Petroleum Company | Overton, TX 75684 | Oil & Gas Operator | Jun 1994 |
| 7565 | Natural Reserves Group, Inc. | Houston, TX 77057 | Oil & Gas Operator | Jun 1993 |
| 7566 | Naumann Oil & Gas, Inc. | Austin, TX 78716 | Oil & Gas Operator | Mar 2025 |
| 7567 | Nautilus Exploration, Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Nov 2021 |
| 7568 | Navajo Exploration, Inc. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Mar 2025 |
| 7569 | Navalo | Rockdale, TX 76567 | Oil Operator | Mar 2025 |
| 7570 | Navarro Exploration Co., Inc. | Kingwood, TX 77345 | Oil & Gas Operator | Mar 2025 |
| 7571 | Navarro Operating Co. | Kilgore, TX 75663 | Oil & Gas Operator | Aug 2003 |
| 7572 | Navidad Operating Company, LLC | Flint, TX 75762 | Oil & Gas Operator | Mar 2025 |
| 7573 | Navidad Resources, LLC | Bullard, TX 75757 | Oil & Gas Operator | Mar 2025 |
| 7574 | Navus Operating, Inc. | Dallas, TX 75367 | Oil & Gas Operator | Mar 2025 |
| 7575 | Nbi Services, Inc. | Tulsa, OK 74159 | Oil & Gas Operator | Mar 2025 |
| 7576 | NBL Permian LLC | Houston, TX 77070 | Oil & Gas Operator | Aug 2018 |
| 7577 | NBX Energy, LLC | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2025 |
| 7578 | Ncec, Inc. | Winnsboro, TX 75494 | Oil & Gas Operator | May 1994 |
| 7579 | Ncey Holdings, LLC | Houston, TX 77056 | Oil & Gas Operator | Jun 2013 |
| 7580 | Neal, Jack Engineering, Inc. | Abilene, TX 79603 | Oil & Gas Operator | Feb 2011 |
| 7581 | Nearburg Producing Company | Dallas, TX 75380 | Oil & Gas Operator | Mar 2025 |
| 7582 | Neas Operating | Pampa, TX 79065 | Oil & Gas Operator | Oct 2011 |
| 7583 | Neas Operating, LLC | Wimberley, TX 78676 | Oil & Gas Operator | Mar 2025 |
| 7584 | Neatherlin, Earl Inc. | Avoca, TX 79503 | Oil & Gas Operator | Mar 2025 |
| 7585 | Nec Operating, LLC | Southlake, TX 76092 | Oil & Gas Operator | Mar 2025 |
| 7586 | Necessity Well Service | Breckenridge, TX 76424 | Oil & Gas Operator | Jan 1994 |
| 7587 | Necessity Well Service, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2006 |
| 7588 | Neches Exploration, L.L.C. | Flint, TX 75762 | Oil & Gas Operator | Mar 2025 |
| 7589 | Neches Oil & Gas Company, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2025 |
| 7590 | Neches Transport Inc. | Spurger, TX 77660 | Oil & Gas Operator | Mar 2025 |
| 7591 | Neeb, H. L. | Abilene, TX 79606 | Oil & Gas Operator | Jul 1994 |
| 7592 | Neeley, June | Mineral Wells, TX 76067 | Oil & Gas Operator | Feb 2008 |
| 7593 | Neely, H. K. | Abilene, TX 79604 | Oil & Gas Operator | Dec 1995 |
| 7594 | Nees, Gordon III | Graham, TX 76450 | Oil & Gas Operator | Jun 2002 |
| 7595 | Neet Transport Co., Inc. | Throckmorton, TX 76483 | Oil & Gas Operator | Mar 2025 |
| 7596 | Neff, Harold & Associates, Inc. | Tyler, TX 75702 | Oil & Gas Operator | May 2008 |
| 7597 | Neff, Inc. | Albany, TX 76430 | Oil & Gas Operator | Dec 2018 |
| 7598 | Neff, Mickey Oil Company | Colorado City, TX 79512 | Oil & Gas Operator | Jul 2023 |
| 7599 | Neg Operating LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Nov 2024 |
| 7600 | Nei Production, Inc. | Nichols Hill, OK 73116 | Oil & Gas Operator | Mar 2025 |