| 23501 | PXP Gulf Coast Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 23502 | PXP Gulf Coast LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2004 |
| 23503 | PXP Louisiana L.L.C. | | Oil & Gas Operator | Nov 2010 |
| 23504 | PXP Texas Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2007 |
| 23505 | Pybas Robert | Wanette, OK 74878 | Oil Operator | Apr 2014 |
| 23506 | Pyle Petroleum | Corpus Chrsti, TX 78473 | Oil & Gas Operator | Dec 1996 |
| 23507 | Pyle Petroleum, Inc. | Tyler, TX 75703 | Oil & Gas Operator | Apr 2025 |
| 23508 | Pyote Disposal Company | Pyote, TX 79777 | Oil Operator | Jul 2025 |
| 23509 | Pyramid Corporat | | Oil & Gas Operator | Aug 1995 |
| 23510 | Pyramid Energy Inc | San Antonio, TX 78216 | Oil & Gas Operator | Feb 2012 |
| 23511 | Pyramid Enterprises | Muenster, TX 76252 | Oil & Gas Operator | Jul 2025 |
| 23512 | Pyramid Exploration | Houston, TX 77241 | Oil & Gas Operator | Sep 1995 |
| 23513 | Pyramid Gas Co | Midland, TX 79701 | Oil Operator | Jul 2025 |
| 23514 | Pyramid Oil & Ga | | Oil & Gas Operator | Sep 1987 |
| 23515 | Pyramid Oil Co. | Litchfield PK, AZ 85340 | Oil & Gas Operator | Jan 2018 |
| 23516 | Pyramid Oil Of America, Inc. | Nichols Hill, OK 73116 | Oil & Gas Operator | Apr 2025 |
| 23517 | Pyramid Petroleum, Inc. | | Oil & Gas Operator | May 1992 |
| 23518 | Pyramid Petroleum, Inc.-La Div | | Oil Operator | Jun 1997 |
| 23519 | Pyramid Production Co. | Abilene, TX 79608 | Oil & Gas Operator | Jun 1994 |
| 23520 | Pyro Energy Corp | Kingwood, TX 77339-2102 | Oil & Gas Operator | Mar 1998 |
| 23521 | Pywell Venture A | | Oil Operator | Apr 1988 |
| 23522 | Q A P Services, Inc. | Cross Plains, TX 76443 | Gas Operator | Jul 2025 |
| 23523 | Q Natural Resources, LLC | Jones, OK 73049 | Oil & Gas Operator | Jul 2025 |
| 23524 | Q T Oil LTD Co | Shawnee, OK 74801 | Oil Operator | Apr 2025 |
| 23525 | Q. F. Sagdahl | | Oil Operator | Feb 2019 |
| 23526 | QB Energy Operating LLC | | Oil & Gas Operator | May 2025 |
| 23527 | Qep Energy Company | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 23528 | Qep Uinta Basin Inc | Salt Lake City, UT 84145-0601 | Oil & Gas Operator | Mar 2007 |
| 23529 | QNK Energy,Inc. | Alice, TX 78333 | Oil & Gas Operator | Aug 2016 |
| 23530 | QP, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jul 2025 |
| 23531 | QQD Energy, LLC | Houston, TX 77077 | Oil Operator | Jul 2025 |
| 23532 | Qstar Operating LLC | Houston, TX 77057 | Oil & Gas Operator | Dec 2016 |
| 23533 | Quad J Oil & Gas LLC | Crescent, OK 73028 | Oil & Gas Operator | May 2025 |
| 23534 | Quad L Oil Company | | Oil & Gas Operator | Dec 2024 |
| 23535 | Quad Operating Company | Bulverde, TX 78163 | Oil & Gas Operator | Apr 2025 |
| 23536 | Quad Operating, LLC | Garnett, KS 66032 | Oil Operator | Dec 2019 |
| 23537 | Quadel Energy Co | | Oil & Gas Operator | Feb 1994 |
| 23538 | Quadrant Exploration, Inc. | Marietta, OH 45750 | Oil & Gas Operator | Dec 2000 |
| 23539 | Quadren Cryogenic Process LTD. | | Gas Operator | May 2025 |
| 23540 | Quadrum Energy LLC | Houston, TX 77042 | Oil Operator | Aug 2019 |
| 23541 | Quail Creek Oil Co. | Granbury, TX 76048 | Oil & Gas Operator | Aug 2005 |
| 23542 | Quail Creek Oil Corporation | Houston, TX 77024 | Oil & Gas Operator | Jul 2025 |
| 23543 | Quail Creek Petro MGMT Corp | Oklahoma City, OK 73134 | Oil & Gas Operator | Aug 2013 |
| 23544 | Quail Energy Corp | MT Gilead, OH 43338 | Oil & Gas Operator | Dec 2010 |
| 23545 | Quail Oil & Gas LC | Garden City, KS 67846 | Oil & Gas Operator | May 2025 |
| 23546 | Quail Operating, Inc. | Abilene, TX 79601 | Oil & Gas Operator | Jul 2025 |
| 23547 | Quail Ridge Operating LLC | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 23548 | Quail Ridge Petroleum LLC | Midland, TX 79710 | Oil & Gas Operator | Jul 2025 |
| 23549 | Quail Well Service, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Jul 2025 |
| 23550 | Quaker State Corporation | Houston, TX 77002-2806 | Oil & Gas Operator | Dec 2013 |
| 23551 | Quaker State Oil Ref Corp | North Canton, OH 44720-1541 | Oil & Gas Operator | Dec 1994 |
| 23552 | Qualia, C. F. Operating,Inc. | Midland, TX 79702 | Oil & Gas Operator | Aug 2013 |
| 23553 | Quality Hospitality Services LLC | | Oil & Gas Operator | Mar 2013 |
| 23554 | Quality Natural Gas, LLC | Allen, KY 41601 | Oil & Gas Operator | Dec 2023 |
| 23555 | Quality Oil & Gas Corp | Alliance, OH 44601 | Oil & Gas Operator | Dec 2024 |
| 23556 | Quality Operating, Inc. | Dallas, TX 75367 | Oil & Gas Operator | Aug 2002 |
| 23557 | Quality Petroleum Corp. | | Oil & Gas Operator | Apr 1990 |
| 23558 | Quality Petroleum, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Jan 2022 |
| 23559 | Quality Production Co Of Stigler Inc | Stigler, OK 74462-0635 | Gas Operator | Feb 2013 |
| 23560 | Quality Production Corp | Hobbs, NM BADADDR | Oil Operator | Jan 2002 |
| 23561 | Quality Production SVC. LLC | | Oil & Gas Operator | Jul 2005 |
| 23562 | Quality Well Service, Inc. | Pratt, KS 67124 | Oil Operator | Feb 2006 |
| 23563 | Qualls Operating* R C | | Oil & Gas Operator | Mar 2005 |
| 23564 | Qualmay Development LLC | Cody, WY 82414 | Oil & Gas Operator | Jun 2023 |
| 23565 | Quanah Company | Tulsa, OK 74159-0469 | Oil & Gas Operator | May 2020 |
| 23566 | Quanah Panhandle, LLC | Traverse City, MI 49684 | Oil & Gas Operator | Jul 2025 |
| 23567 | Quanah Petroleum, Inc. | | Oil & Gas Operator | Sep 1983 |
| 23568 | Quanico Oil & Gas, Inc. | El Dorado, AR 71730 | Oil & Gas Operator | Jul 2025 |
| 23569 | Quantent Energy Partners Operating LLC | | Gas Operator | Dec 2024 |
| 23570 | Quantum Investments | Lubbock, TX 79424 | Oil Operator | Jul 2025 |
| 23571 | Quantum Oil & Gas Corporation | Oklahoma City, OK 73172 | Oil & Gas Operator | Jul 2025 |
| 23572 | Quantum Operating Company | Denver, CO 80201 | Oil & Gas Operator | Dec 2012 |
| 23573 | Quantum Resources Management LLC | Houston, TX 77010 | Oil & Gas Operator | Apr 2025 |
| 23574 | Quantum Resources MGMT, LLC | | Oil & Gas Operator | Nov 2014 |
| 23575 | Quarles Drilling Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2008 |
| 23576 | Quasha Oil Co. | | Oil & Gas Operator | Feb 1998 |
| 23577 | Quatro Oil And Gas, Inc. | Joshua, TX 76058 | Oil & Gas Operator | Jul 2025 |
| 23578 | Quatro Oil Ventures | | Oil Operator | Dec 2016 |
| 23579 | Quatro Osos E&P, LLC | Roswell, NM 88202 | Oil Operator | May 2025 |
| 23580 | Quatros Operating Company | Kilgore, TX 75663 | Oil Operator | Jul 2025 |
| 23581 | Quay Valley, Inc. | Midland, TX 79710 | Oil & Gas Operator | Oct 2007 |
| 23582 | Queen Sand Operating Co. | Dallas, TX 75240 | Oil & Gas Operator | Mar 2008 |
| 23583 | Quemado Energy, L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Nov 2024 |
| 23584 | Quench Oil & Gas Inc | Plano, TX 75075-2902 | Oil & Gas Operator | Apr 2009 |
| 23585 | Quest Cherokee LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2025 |
| 23586 | Quest Development Co. | | Oil Operator | Mar 2025 |
| 23587 | Quest Emg, Inc. | Albany, TX 76430 | Oil & Gas Operator | Jul 2025 |
| 23588 | Quest Energies | | Oil & Gas Operator | Mar 1997 |
| 23589 | Quest Energies Group,LTD. | Shreveport, LA 71106 | Oil & Gas Operator | Mar 1997 |
| 23590 | Quest Energies, L.L.C. | | Oil & Gas Operator | Jan 2025 |
| 23591 | Quest Energy LLC | Salina, KS 67401 | Oil Operator | Feb 2025 |
| 23592 | Quest Energy Service Inc. | Chanute, KS 66720 | Oil & Gas Operator | Jan 2009 |
| 23593 | Quest Exploration L.L.C. | | Oil & Gas Operator | Jul 2014 |
| 23594 | Quest Operating LLC | Sheridan, WY 82801 | Gas Operator | Sep 2008 |
| 23595 | Quest Petroleum Company | Jacksboro, TX 76458 | Oil & Gas Operator | Jul 2025 |
| 23596 | Quest Petroleum Corporation | Reno, NV 89570 | Oil Operator | Apr 1998 |
| 23597 | Quest Petroleum, Inc. | Abilene, TX 79603 | Oil & Gas Operator | Jul 2025 |
| 23598 | Quest Property Inc | Yukon, OK 73099 | Oil & Gas Operator | Apr 2025 |
| 23599 | Quest Research & Dev. Corp. | Weatherford, TX 76086 | Oil & Gas Operator | Jul 2025 |
| 23600 | Quest-Tex Energy Operating, LLC | Dallas, TX 75225 | Oil & Gas Operator | Jul 2025 |