| 23001 | Pintail Petroleum, LTD. | Wichita, KS 67202 | Oil & Gas Operator | Apr 2021 |
| 23002 | Pintail Production Co., Inc. | Fort Worth, TX 76132 | Oil & Gas Operator | Dec 2025 |
| 23003 | Pintex Operating Inc. | Corpus Chrsti, TX 78478 | Oil & Gas Operator | Feb 2005 |
| 23004 | Pinto Petroleum | Wichita, KS 67211 | Oil Operator | Nov 2001 |
| 23005 | Pinzok, Michael & Linda | Ripley, NY 14775 | Gas Operator | Dec 2024 |
| 23006 | Pioneer Drilling Co | Payne, OH 45880 | Oil & Gas Operator | Dec 1993 |
| 23007 | Pioneer Energy Corporation | Dallas, TX 75204 | Oil & Gas Operator | Dec 2025 |
| 23008 | Pioneer Exploration Company | Houston, TX 77090 | Oil & Gas Operator | Sep 2025 |
| 23009 | Pioneer Exploration, LLC | Houston, TX 77090 | Oil & Gas Operator | Oct 2025 |
| 23010 | Pioneer Exploration, LTD. | Houston, TX 77090 | Oil & Gas Operator | Sep 2008 |
| 23011 | Pioneer Feedyard, LLC | Oakley, KS 67748 | Oil Operator | Jun 2025 |
| 23012 | Pioneer Gas Pipeline, Inc. | San Angelo, TX 76903 | Oil & Gas Operator | Dec 2025 |
| 23013 | Pioneer Natural Res. (GPC), Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 1998 |
| 23014 | Pioneer Natural Res. USA, Inc. | Spring, TX 77389 | Oil & Gas Operator | Dec 2025 |
| 23015 | Pioneer Natural Resources Alaska Inc. | | Oil & Gas Operator | Jul 2014 |
| 23016 | Pioneer Natural Resources USA Inc | Irving, TX 75039 | Oil & Gas Operator | Jun 2025 |
| 23017 | Pioneer Of Oklahoma LP | Houston, TX 77090-3655 | Oil & Gas Operator | Jul 2025 |
| 23018 | Pioneer Oil & Gas | South Jordan, UT 84095 | Oil & Gas Operator | Jan 2014 |
| 23019 | Pioneer Oil Company, Inc. | Vincennes, IN 47501 | Oil & Gas Operator | Jun 2025 |
| 23020 | Pioneer Operatio | | Oil & Gas Operator | Mar 1986 |
| 23021 | Pioneer Operations, LLC | Hays, KS 67601 | Oil Operator | Jun 2025 |
| 23022 | Pioneer Prod. Corp. | | Oil & Gas Operator | Jun 1986 |
| 23023 | Pioneer Production Corp-Huggs | | Oil & Gas Operator | Jun 1986 |
| 23024 | Pioneer Prospect LLP | Sioux Falls, SD 57108 | Gas Operator | Dec 2023 |
| 23025 | Pioneer Resources | Jefferson, CO 80456 | Oil Operator | Dec 2009 |
| 23026 | Pioneer Resources Inc | Phillipsburg, KS 67661 | Oil & Gas Operator | Oct 2020 |
| 23027 | Pioneer Resources Prod LP | Irving, TX 75039-3745 | Oil & Gas Operator | Feb 2005 |
| 23028 | Pioneer Resources Producing, L.P | Irving, TX 75039 | Oil & Gas Operator | Feb 2001 |
| 23029 | Pioneer Trucking, LLC | | Oil Operator | Sep 2025 |
| 23030 | Pipeline Holdings, Inc | | Gas Operator | Dec 2012 |
| 23031 | Pipeline Management, Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Dec 2002 |
| 23032 | Pipeline Oil & Gas, LLC | Phoenix, AZ 85016 | Oil Operator | Feb 2014 |
| 23033 | Pipeline Resources, Inc. | Corpus Chrsti, TX 78412 | Gas Operator | Aug 2003 |
| 23034 | Piper Operating LLC | Stigler, OK 74462 | Oil & Gas Operator | Sep 2025 |
| 23035 | Pipes Pursie E | MT Vernon, IL 62864 | Oil & Gas Operator | Dec 2014 |
| 23036 | Piqua Petro, Inc. | Piqua, KS 66761 | Oil Operator | Jun 2025 |
| 23037 | Piqua Petroleum | | Oil Operator | Dec 1996 |
| 23038 | Pistol Ridge Partners, LLC | | Oil & Gas Operator | Sep 2025 |
| 23039 | Pita Oil & Gas, LLC | | Oil Operator | Jul 2004 |
| 23040 | Pitchfork Investments, LLC | Amarillo, TX 79109 | Oil & Gas Operator | Dec 2025 |
| 23041 | Pitchfork Oil & Gas, Inc. | Orchard, TX 77464 | Oil & Gas Operator | Dec 2025 |
| 23042 | Pitco Investments, LTD. | Scottsdale, AZ 85261 | Oil & Gas Operator | Jan 2013 |
| 23043 | Pitco Production Company | Tulsa, OK 74170-2320 | Oil & Gas Operator | May 2013 |
| 23044 | Pitcock, Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 23045 | Pitman Creek, Inc. | Burlington, IA 52601 | Oil Operator | Dec 1992 |
| 23046 | Pitman John | | Oil & Gas Operator | Jan 1992 |
| 23047 | Pitman, John Douglas Revocable Trust | Oklahoma City, OK 73118 | Oil Operator | Dec 2019 |
| 23048 | Pitman, John Estate (Deceased) | Oklahoma City, OK 73104 | Oil Operator | May 2000 |
| 23049 | Pittencrieff (Gulf Coast), Inc. | Abilene, TX 79608 | Oil & Gas Operator | Sep 1998 |
| 23050 | Pittencrieff America Inc | Abilene, TX 79608 | Oil & Gas Operator | Feb 2003 |
| 23051 | Pittman Kenneth | | Oil Operator | Mar 1995 |
| 23052 | Pittman, Joe N. | | Oil & Gas Operator | Apr 1985 |
| 23053 | Pittman-Allen Operating LLC | Oklahoma City, OK 73122-1105 | Gas Operator | Feb 2016 |
| 23054 | Pitts Energy Co. | Midland, TX 79707 | Oil & Gas Operator | Dec 2025 |
| 23055 | Pitts Oil Co-Dallas Prod Inc | | Oil & Gas Operator | Jun 1991 |
| 23056 | Pitts, Charles Company | Abilene, TX 79604 | Oil & Gas Operator | Dec 1997 |
| 23057 | Pitts, W. C. | | Oil Operator | Jan 1988 |
| 23058 | Pivonka Investments LLC | | Oil & Gas Operator | Oct 2025 |
| 23059 | Pixley Carlis D | Marlow, OK 73055 | Oil & Gas Operator | Sep 1999 |
| 23060 | Pizzi, Ricardo A. | Attica, NY 14011 | Gas Operator | Dec 2024 |
| 23061 | PK Gath & Oilfield SVCS, Inc. | Cleburne, TX 76031 | Oil & Gas Operator | Dec 2025 |
| 23062 | PK Petroleum LLC | Pampa, TX 79065 | Oil & Gas Operator | Dec 2025 |
| 23063 | PKS Energy Savers Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Jul 1994 |
| 23064 | Place Oil And Gas Co. | Eastland, TX 76448 | Oil & Gas Operator | Dec 2025 |
| 23065 | Place, Steve | El Dorado, KS 67042 | Oil Operator | Dec 2019 |
| 23066 | Placer Oil Co. | Sugar Land, TX 77479 | Oil & Gas Operator | Apr 2008 |
| 23067 | Placid Oil Co., Et Al | | Oil & Gas Operator | Jun 1983 |
| 23068 | Placid Oil Company | Houston, TX 77227 | Oil & Gas Operator | Mar 2008 |
| 23069 | Placid Operating, LLC | Dallas, TX 75230 | Oil & Gas Operator | Jul 2021 |
| 23070 | Plains Exploration & Prod. Co. | Houston, TX 77002 | Oil & Gas Operator | Jul 2013 |
| 23071 | Plains Marketing, LP | Cushing, OK 74023 | Oil Operator | Jan 2012 |
| 23072 | Plains Oil & Gas | Cushing, OK 74023-4819 | Oil & Gas Operator | Jan 2019 |
| 23073 | Plains Oil Compa | | Oil & Gas Operator | Aug 1988 |
| 23074 | Plains Petroleum | | Gas Operator | Dec 1996 |
| 23075 | Plains Petroleum Operating Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2014 |
| 23076 | Plains Production Inc | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1995 |
| 23077 | Plains Radio Pet Co | Midland, TX 79703 | Oil & Gas Operator | Apr 2023 |
| 23078 | Plains Resources Inc. | Houston, TX 77002 | Oil & Gas Operator | Jul 2008 |
| 23079 | Plainsmen Energy LLC | Enid, OK 73703-5747 | Oil & Gas Operator | Sep 2025 |
| 23080 | Planet Associates Inc | Denver, CO 80218 | Oil Operator | Dec 1994 |
| 23081 | Planet Energy, LLC | | Oil & Gas Operator | Dec 2015 |
| 23082 | Planet Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 23083 | Planet Resource Operating, LLC | | Oil & Gas Operator | Nov 2024 |
| 23084 | Planetierra Three Partnership | Sunray, TX 79086 | Oil & Gas Operator | Dec 2025 |
| 23085 | Plano Corp. | | Oil & Gas Operator | Mar 2005 |
| 23086 | Plano Petroleum | | Oil & Gas Operator | Dec 1994 |
| 23087 | Plano Petroleum Corporation | McKinney, TX 75070 | Oil & Gas Operator | Jun 2025 |
| 23088 | Plano Petroleum LLC | Plano, TX 75093-8773 | Oil & Gas Operator | Apr 2013 |
| 23089 | Plantation Oil Company | | Oil Operator | Dec 2006 |
| 23090 | Plantation Operating Co., Inc. | Holliday, TX 76366 | Oil & Gas Operator | Dec 2025 |
| 23091 | Plantation Operating, LLC | Houston, TX 77041 | Oil & Gas Operator | Nov 2011 |
| 23092 | Plants & Goodwin Inc | Bradford, PA 16701-3733 | Oil & Gas Operator | Dec 2018 |
| 23093 | Plateau Energy, LLC | Smyer, TX 79367 | Oil & Gas Operator | Dec 2023 |
| 23094 | Plateau Operating Corporation | Nashville, TN 37205 | Gas Operator | Jun 2025 |
| 23095 | Platform Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 23096 | Platinum Exploration Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 23097 | Platinum Gas Properties LLC | | Gas Operator | Oct 2025 |
| 23098 | Platinum Oil & Gas, L.L.C. | San Juan, TX 78589 | Oil & Gas Operator | Dec 2025 |
| 23099 | Platinum Oil Properties, LLC | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Aug 2006 |
| 23100 | Platinum Properties Inc. | Wichita Falls, TX 76301 | Oil Operator | Aug 2003 |