| 8501 | Petronomics, Inc. | Houston, TX 77074 | Oil & Gas Operator | Aug 2003 |
| 8502 | Petroplex Energy Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2025 |
| 8503 | Petroplex Equipment, Inc. | Midland, TX 79701 | Oil & Gas Operator | May 2019 |
| 8504 | Petropoint Energy Operating, LLC | Houston, TX 77098 | Oil & Gas Operator | Mar 2025 |
| 8505 | Petropro Energy Partners, L.P. | Houston, TX 77024 | Oil & Gas Operator | Jan 2013 |
| 8506 | Petroquest Energy, Inc. | Lafayette, LA 70505 | Oil & Gas Operator | Feb 2001 |
| 8507 | Petroquest Energy, L.L.C. | Lafayette, LA 70505 | Oil & Gas Operator | Mar 2025 |
| 8508 | Petroquest Exploration, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Mar 2008 |
| 8509 | Petroreal Inc. | Temple, TX 76503 | Oil & Gas Operator | Mar 2025 |
| 8510 | Petrosaurus, Inc. | Somerset, TX 78069 | Oil Operator | Mar 2025 |
| 8511 | Petrosearch Operating Co, LLC | Denver, CO 80202 | Oil & Gas Operator | Mar 2025 |
| 8512 | Petrosource Energy Corporation | Fort Worth, TX 76112 | Oil & Gas Operator | Mar 2025 |
| 8513 | Petrosource Production Co. L.P. | Midland, TX 79701 | Oil & Gas Operator | Nov 2007 |
| 8514 | Petrosource Production Co., LLC | Midland, TX 79705 | Oil & Gas Operator | Mar 2025 |
| 8515 | Petrotex Engineering Company | Cypress, TX 77429 | Oil & Gas Operator | Mar 2025 |
| 8516 | Petrotex, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Aug 2003 |
| 8517 | Petrotx Operating, LLC | Kingwood, TX 77339 | Oil & Gas Operator | Mar 2025 |
| 8518 | Petrox Resources Inc | Meeker, CO 81641 | Oil & Gas Operator | Jan 2025 |
| 8519 | Petx Operating LLC | Sheridan, WY 82801 | Oil Operator | Mar 2025 |
| 8520 | PF Operating Company | Wichita Falls, TX 76302 | Oil & Gas Operator | Aug 2003 |
| 8521 | Pfed Operating | Keller, TX 76248 | Oil Operator | Mar 2025 |
| 8522 | Pfog Operations, LLC | Midland, TX 79710 | Oil Operator | Mar 2025 |
| 8523 | PG&E Resources Company | Houston, TX 77042 | Oil & Gas Operator | May 1995 |
| 8524 | PG&E Resources Offshore Company | Dallas, TX 75206 | Oil & Gas Operator | Oct 1994 |
| 8525 | PG-M International Operating,LLC | Borger, TX 79008 | Oil & Gas Operator | Mar 2025 |
| 8526 | Pgi Operating, LLC | Sweetwater, TX 79556 | Oil Operator | Mar 2025 |
| 8527 | Pgo, Inc. | Houston, TX 77042 | Oil & Gas Operator | Jun 1999 |
| 8528 | PH Exploration, Inc. | Houston, TX 77008 | Oil & Gas Operator | Nov 2001 |
| 8529 | Pharaoh & Associates, Inc. | Houston, TX 77252 | Oil & Gas Operator | Aug 2002 |
| 8530 | Pharaoh Oil & Gas, Inc. | MC Camey, TX 79752 | Oil & Gas Operator | Mar 2025 |
| 8531 | Pheffer Oil, L.L.C. | Laredo, TX 78041 | Oil Operator | Jul 2021 |
| 8532 | Phere Operating Inc | Spring Branch, TX 78070 | Oil & Gas Operator | Mar 2025 |
| 8533 | Philcon Development Co. | Amarillo, TX 79101 | Oil & Gas Operator | Sep 2014 |
| 8534 | Phillips & Pierson | Olney, TX 76374 | Oil & Gas Operator | Nov 1995 |
| 8535 | Phillips 66 Company | Bartlesville, OK 74004 | Oil & Gas Operator | Aug 1997 |
| 8536 | Phillips Energy, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2018 |
| 8537 | Phillips Operating Co. | Mineral Wells, TX 76067 | Oil & Gas Operator | Jan 2013 |
| 8538 | Phillips Petroleum Company | Houston, TX 77251 | Oil & Gas Operator | Mar 2013 |
| 8539 | Phillips, B. F. Jr., Estate Of | Dallas, TX 75201 | Oil & Gas Operator | Mar 2011 |
| 8540 | Phillips, Bob | Weatherford, TX 76086 | Oil & Gas Operator | Nov 2019 |
| 8541 | Phillips, Jack L. | Gladewater, TX 75647 | Oil & Gas Operator | Dec 1997 |
| 8542 | Phillips, Jack L. Co. | Gladewater, TX 75647 | Oil & Gas Operator | Mar 2025 |
| 8543 | Phillips, Ken | San Angelo, TX 76904 | Oil & Gas Operator | Jun 2021 |
| 8544 | Philmar | Houston, TX 77269 | Oil Operator | Mar 2025 |
| 8545 | Philpott Oil & Gas Co Inc | Atwood, KS 67730 | Oil Operator | Aug 2010 |
| 8546 | Phoenix Crude Oil Company | Westbrook, TX 79565 | Oil Operator | Oct 2004 |
| 8547 | Phoenix Fund, Inc. | San Antonio, TX 78217 | Oil & Gas Operator | Jun 2000 |
| 8548 | Phoenix Hydrocarbons Operating | Midland, TX 79702 | Oil & Gas Operator | Jun 2024 |
| 8549 | Phoenix Oil & Gas | Kyle, TX 78640 | Oil & Gas Operator | Mar 2025 |
| 8550 | Phoenix Oil & Gas LTD., L.L.P. | Houston, TX 77010 | Oil & Gas Operator | Jun 2004 |
| 8551 | Phoenix Oil & Gas, Inc. (A) | Canada, 00100 | Oil & Gas Operator | Oct 2005 |
| 8552 | Phoenix Operating Company Of TX. | Dallas, TX 75206 | Oil & Gas Operator | Jun 1995 |
| 8553 | Phoenix Operating Company, Inc. | Shreveport, LA 71161 | Oil & Gas Operator | Mar 2015 |
| 8554 | Phoenix Petrocorp, Inc. | McKinney, TX 75070 | Oil & Gas Operator | Jan 2025 |
| 8555 | Phoenix Resources LLC | Longview, TX 75604 | Oil & Gas Operator | Jul 2022 |
| 8556 | Phylko Energy Corporation | Houston, TX 77056 | Oil & Gas Operator | Aug 2003 |
| 8557 | Pi Energy, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Mar 2025 |
| 8558 | Pickens Company, Inc., The | Dallas, TX 75225 | Oil & Gas Operator | Jul 2024 |
| 8559 | Pickett Oil Co. | Gonzales, TX 78629 | Oil & Gas Operator | Oct 2019 |
| 8560 | Pickett, D. W. | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Sep 2004 |
| 8561 | Picosa, L.L.C. | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Mar 2025 |
| 8562 | Pie Operating, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Mar 2025 |
| 8563 | Piedra Operating, LLC | Denver, CO 80202 | Oil & Gas Operator | May 2023 |
| 8564 | Pierce Junction Petroleum Inc. | Houston, TX 77002 | Oil & Gas Operator | May 2010 |
| 8565 | Pierce Operating Company, L.L.C. | Bryan, TX 77808 | Oil & Gas Operator | Dec 2018 |
| 8566 | Pierce Production Company | Eunice, NM 88231 | Oil & Gas Operator | Oct 2012 |
| 8567 | Pierce Production Company, LLC | Midland, TX 79702 | Oil & Gas Operator | Mar 2025 |
| 8568 | Pierce, Ray A. | Eunice, NM 88231 | Oil & Gas Operator | Nov 2004 |
| 8569 | Pierco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2025 |
| 8570 | Pierre Petroleum Corp. | Borger, TX 79007 | Oil & Gas Operator | Feb 1997 |
| 8571 | Pikeco Inc | Whitesboro, TX 76273 | Oil & Gas Operator | Nov 2001 |
| 8572 | Pilgrim Energy Partners L.L.C. | Fairfield, IL 62837 | Oil Operator | Mar 2025 |
| 8573 | Pillans, Benjamin P. | Abilene, TX 79605 | Gas Operator | Aug 2012 |
| 8574 | Pillar Efs, LLC | Dallas, TX 75204 | Oil & Gas Operator | Mar 2025 |
| 8575 | Pillar Energy, LLC | Charleston, WV 25312-5987-5987 | Oil & Gas Operator | Dec 2024 |
| 8576 | Pillows, Burl A. | Houston, TX 77062 | Oil & Gas Operator | Mar 2025 |
| 8577 | Pima Energy, LLC | Knott, TX 79748 | Oil & Gas Operator | Mar 2025 |
| 8578 | Pine Creek Operating LLC | Colorado SPGS, CO 80903 | Oil & Gas Operator | Jul 2021 |
| 8579 | Pine Island Operating, L.L.C. | Graham, TX 76450 | Oil & Gas Operator | Mar 2025 |
| 8580 | Pine Island Production Company | Corpus Chrsti, TX 78403 | Oil & Gas Operator | Apr 2012 |
| 8581 | Pine Oil Company | Cibolo, TX 78108 | Oil & Gas Operator | Dec 2023 |
| 8582 | Pine Ridge Operating, L.P. | Waelder, TX 78959 | Oil & Gas Operator | Mar 2025 |
| 8583 | Pine Wave Energy Partners Op,LLC | Dallas, TX 75205 | Oil & Gas Operator | Mar 2025 |
| 8584 | Pinewood Exploration Inc. | Arlington, TX 76096 | Oil & Gas Operator | Oct 2011 |
| 8585 | Pinnacle Mining Corporation | Midland, TX 79708 | Oil & Gas Operator | Mar 2025 |
| 8586 | Pinnacle Operating Company, Inc. | Shreveport, LA 71135 | Oil & Gas Operator | Mar 2025 |
| 8587 | Pinon Corporation | San Antonio, TX 78266 | Oil & Gas Operator | Jul 2001 |
| 8588 | Pinon Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2023 |
| 8589 | Pinon Petroleum, Inc. | San Angelo, TX 76903 | Oil & Gas Operator | Apr 2004 |
| 8590 | Pintail Oil & Gas, LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2019 |
| 8591 | Pintail Production Co., Inc. | Fort Worth, TX 76132 | Oil & Gas Operator | Mar 2025 |
| 8592 | Pintex Operating Inc. | Corpus Chrsti, TX 78478 | Oil & Gas Operator | Feb 2005 |
| 8593 | Pioneer Energy Corporation | Dallas, TX 75204 | Oil & Gas Operator | Mar 2025 |
| 8594 | Pioneer Exploration Company | Houston, TX 77090 | Oil & Gas Operator | Jan 2025 |
| 8595 | Pioneer Exploration, LLC | Houston, TX 77090 | Oil & Gas Operator | Dec 2024 |
| 8596 | Pioneer Exploration, LTD. | Houston, TX 77090 | Oil & Gas Operator | Sep 2008 |
| 8597 | Pioneer Gas Pipeline, Inc. | San Angelo, TX 76903 | Oil & Gas Operator | Mar 2025 |
| 8598 | Pioneer Natural Res. (GPC), Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 1998 |
| 8599 | Pioneer Natural Res. USA, Inc. | Irving, TX 75038 | Oil & Gas Operator | Mar 2025 |
| 8600 | Pioneer Natural Resources USA Inc | Irving, TX 75039 | Oil & Gas Operator | Nov 2024 |