| 8401 | Parker Energy Company | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 8402 | Parker Hannifin Corporation | Ravenna, OH 44266 | Oil & Gas Operator | Dec 2024 |
| 8403 | Parker Oil Company | Abilene, TX 79601 | Oil & Gas Operator | Feb 2024 |
| 8404 | Parker Operating Co., Inc. | Aledo, TX 76008 | Oil & Gas Operator | Sep 2000 |
| 8405 | Parker, Robert Production, Inc. | Alice, TX 78333 | Gas Operator | Nov 1996 |
| 8406 | Parks, Rhone Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 8407 | Parkway Petroleum, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Jul 1997 |
| 8408 | Parkwood Production, Inc. | Buna, TX 77612 | Oil Operator | Feb 2026 |
| 8409 | Parmer, I. A. | Abilene, TX 79606 | Oil & Gas Operator | Oct 1993 |
| 8410 | Parnell Operating | Kamay, TX 76369 | Oil & Gas Operator | Feb 2026 |
| 8411 | Parsley Energy Operations, LLC | Irving, TX 75038 | Oil & Gas Operator | Jan 2021 |
| 8412 | Parsley, Amos | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2008 |
| 8413 | Partech Investments LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 8414 | Partee Drilling Inc. | Big Spring, TX 79721 | Oil & Gas Operator | Feb 2026 |
| 8415 | Parten Oil Co. | Houston, TX 77060 | Oil & Gas Operator | Jan 1994 |
| 8416 | Parten Operating Inc. | Houston, TX 77069 | Oil & Gas Operator | Feb 2026 |
| 8417 | Partin, Charles | Atascosa, TX 78002 | Oil & Gas Operator | Aug 2005 |
| 8418 | Partners Oil Company | Tulsa, OK 74135 | Oil & Gas Operator | Aug 1995 |
| 8419 | Partners Production, Inc. | Caldwell, TX 77836 | Oil & Gas Operator | Feb 2026 |
| 8420 | Paschal Petroleum, Inc. | Dallas, TX 75380 | Oil & Gas Operator | Apr 1994 |
| 8421 | Paschal, Phil A. | Kilgore, TX 75662 | Oil Operator | Aug 2021 |
| 8422 | Paschal, Shannon | Kilgore, TX 75663 | Oil Operator | Feb 2026 |
| 8423 | Pash Energy, Inc. | Borger, TX 79008 | Oil & Gas Operator | Feb 2026 |
| 8424 | Passmore, Mike F. | Monahans, TX 79756 | Oil & Gas Operator | Feb 2026 |
| 8425 | Pasture Production Company | Bryan, TX 77808 | Oil & Gas Operator | Apr 2005 |
| 8426 | Patara Andover I LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2014 |
| 8427 | Patara Oil & Gas LLC | Dallas, TX 75219 | Oil & Gas Operator | Mar 2018 |
| 8428 | Pate, L. T. | Austin, TX 78701 | Oil & Gas Operator | Aug 1994 |
| 8429 | Pathfinder Capital L.C. | Dallas, TX 75219 | Oil Operator | Mar 2008 |
| 8430 | Pathfinder Exploration LLC | Norman, OK 73069-8516 | Gas Operator | Aug 2003 |
| 8431 | Patina Oil & Gas Corporation | Denver, CO 80202 | Oil & Gas Operator | May 2016 |
| 8432 | Patno Oil & Gas Company | Zapata, TX 78076 | Oil & Gas Operator | Feb 2026 |
| 8433 | Patoil Corp. | San Antonio, TX 78205 | Oil & Gas Operator | Aug 2003 |
| 8434 | Patricia Oil Company | Tuleta, TX 78162 | Oil Operator | Sep 2008 |
| 8435 | Patrick & Hadley | Nocona, TX 76255 | Oil & Gas Operator | Jul 1999 |
| 8436 | Patrick & Vaughn | Oklahoma City, OK 73154 | Oil & Gas Operator | Sep 2005 |
| 8437 | Patrick Exploration Company | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2011 |
| 8438 | Patrick Pet. Corp. Of Michigan | Houston, TX 77227 | Oil & Gas Operator | Aug 1995 |
| 8439 | Patrick Production Company | Houston, TX 77027 | Oil & Gas Operator | Feb 2026 |
| 8440 | Patrick, G.R. | Nocona, TX 76255 | Oil Operator | Feb 2026 |
| 8441 | Patrick, George & Patrick, Roger | Nocona, TX 76255 | Oil & Gas Operator | Jul 1999 |
| 8442 | Patrick, Joe Ben | Petrolia, TX 76377 | Oil & Gas Operator | Oct 2009 |
| 8443 | Patriot E & P Company | Tyler, TX 75710 | Oil & Gas Operator | Aug 2004 |
| 8444 | Patriot Operating Company, Inc. | Houston, TX 77008 | Oil & Gas Operator | Sep 2003 |
| 8445 | Patriot Production LLC | Southlake, TX 76092 | Oil & Gas Operator | Apr 2023 |
| 8446 | Patriot Resources, Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2017 |
| 8447 | Patriot Services, Inc. | Westbrook, TX 79565 | Oil & Gas Operator | Mar 2008 |
| 8448 | Patterson Energy Corporation | Dallas, TX 75367 | Oil & Gas Operator | Feb 2026 |
| 8449 | Patterson Oil Company, The | Eastland, TX 76448 | Oil & Gas Operator | Nov 2025 |
| 8450 | Patterson Petroleum LLC | Snyder, TX 79550 | Oil & Gas Operator | Oct 2007 |
| 8451 | Patterson Petroleum LP | Snyder, TX 79550 | Oil & Gas Operator | Mar 2008 |
| 8452 | Patterson Petroleum, Inc. | Snyder, TX 79550 | Oil & Gas Operator | Feb 2000 |
| 8453 | Patterson, Ben M., Jr. | San Antonio, TX 78216 | Oil & Gas Operator | Mar 2003 |
| 8454 | Patton Coleman Exploration Inc. | Abilene, TX 79604 | Oil & Gas Operator | Feb 2026 |
| 8455 | Patton Exploration, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Feb 2026 |
| 8456 | Patton Oil Corp. | Corpus Chrsti, TX 78466 | Oil & Gas Operator | Aug 2003 |
| 8457 | Patton Operating Co. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 1997 |
| 8458 | Patton, Donald L & Jerry | Electra, TX 76360 | Oil & Gas Operator | Aug 2007 |
| 8459 | Patton, E. N. Oil Company, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Feb 2026 |
| 8460 | Patton, Lloyd | Fort Worth, TX 76113 | Oil & Gas Operator | Aug 2003 |
| 8461 | Patton, Lloyd J Estate | Fort Worth, TX 76113 | Oil & Gas Operator | Aug 2003 |
| 8462 | Pautsky, Jimmy | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 8463 | Pautsky, Jimmy Estate Of | Wichita Falls, TX 76308 | Oil Operator | Jan 2022 |
| 8464 | Pavlas Oil & Gas | Rockdale, TX 76567 | Oil & Gas Operator | Feb 2026 |
| 8465 | Pawnee Oil And Gas, Inc. | Richardson, TX 75083 | Oil & Gas Operator | May 2023 |
| 8466 | Pax Energy LTD | Elmhurst, IL 60126 | Oil & Gas Operator | Dec 1998 |
| 8467 | Pax Petroleum Corporation | La Jolla, CA 92037 | Oil & Gas Operator | Mar 2008 |
| 8468 | Payne Petroleum | Abilene, TX 79604 | Oil & Gas Operator | Feb 2026 |
| 8469 | Payne Producing Co. | Fredericksbrg, TX 78624 | Oil & Gas Operator | Jun 2008 |
| 8470 | Payne, B.R. Oil & Gas, Inc. | Corpus Chrsti, TX 78411 | Oil & Gas Operator | Feb 2006 |
| 8471 | Payne, W. C. | Nichols Hill, OK 73116 | Oil & Gas Operator | Sep 2005 |
| 8472 | Payne-Johnston | Tyler, TX 75702 | Oil & Gas Operator | Nov 1996 |
| 8473 | Payne-Johnston & Byars | Tyler, TX 75702 | Oil & Gas Operator | Jun 1997 |
| 8474 | Payola Productions | Athens, TX 75751 | Oil & Gas Operator | Nov 1994 |
| 8475 | Payrock II, LLC | Houston, TX 77007 | Oil & Gas Operator | Dec 2020 |
| 8476 | Payson Operating, LLC | Argyle, TX 76226 | Oil & Gas Operator | Mar 2018 |
| 8477 | PB Oil Company | Vernon, TX 76385 | Oil & Gas Operator | Oct 2023 |
| 8478 | Pbex Operating, LTD. | Midland, TX 79702 | Oil & Gas Operator | Apr 2017 |
| 8479 | Pbex Operations, LLC | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 8480 | Pbex-MCM Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Feb 2026 |
| 8481 | Pcore Exploration & Prod II LLC | Golden, CO 80401 | Oil & Gas Operator | Jun 2020 |
| 8482 | PD Operating Company | Tulsa, OK 74119 | Oil & Gas Operator | Sep 2005 |
| 8483 | PDC Energy | Denver, CO 80203 | Oil & Gas Operator | Nov 2012 |
| 8484 | PDC Permian, Inc. | Midland, TX 79706 | Oil & Gas Operator | Feb 2026 |
| 8485 | PDC-WV-Co Corporation | Denver, CO 80203 | Oil & Gas Operator | Aug 2010 |
| 8486 | Pdeh LLC | Midland, TX 79701 | Oil & Gas Operator | Feb 2026 |
| 8487 | PDH Enterprises | Pittsburg, TX 75686 | Oil & Gas Operator | Apr 2019 |
| 8488 | Pe - Texas, LLC | Oklahoma City, OK 73113 | Oil Operator | Feb 2026 |
| 8489 | Peach Creek Operating Co, LLC | Houston, TX 77018 | Oil & Gas Operator | Feb 2026 |
| 8490 | Peak Energy Corporation | Plano, TX 75093 | Oil & Gas Operator | Oct 2018 |
| 8491 | Peak Energy Operating #2, LLC | Durango, CO 81301 | Oil & Gas Operator | Jun 2006 |
| 8492 | Peak Flow Operating&Drilling LP | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2011 |
| 8493 | Peak Natural Gas Co., LLC | Dallas, TX 75225 | Oil & Gas Operator | Sep 2010 |
| 8494 | Peak Operating LLC | Oklahoma City, OK 73157 | Oil & Gas Operator | Sep 2025 |
| 8495 | Peak Operating Of Texas, LLC | Denver, CO 80202 | Oil & Gas Operator | May 2005 |
| 8496 | Peak Pipeline Company | Plano, TX 75093 | Oil & Gas Operator | Oct 2007 |
| 8497 | Peak Texas Resources, LLC | Durango, CO 81301 | Oil & Gas Operator | Mar 2017 |
| 8498 | Pearce Trust And Blair | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 8499 | Pearce, Roy F., Jr. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 8500 | Pearl Energy, L.L.C. | Austin, TX 78746 | Oil & Gas Operator | Apr 2002 |