| 23001 | Pioneer Trucking, LLC | | Oil Operator | Mar 2025 |
| 23002 | Pipeline Holdings, Inc | | Gas Operator | Dec 2012 |
| 23003 | Pipeline Management, Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Dec 2002 |
| 23004 | Pipeline Oil & Gas, LLC | Phoenix, AZ 85016 | Oil Operator | Feb 2014 |
| 23005 | Piper Operating LLC | Stigler, OK 74462 | Oil & Gas Operator | Mar 2025 |
| 23006 | Pipes Pursie E | MT Vernon, IL 62864 | Oil & Gas Operator | Dec 2014 |
| 23007 | Piqua Petro, Inc. | Piqua, KS 66761 | Oil Operator | Jan 2025 |
| 23008 | Piqua Petroleum | | Oil Operator | Dec 1996 |
| 23009 | Pistol Ridge Partners, LLC | | Oil & Gas Operator | Mar 2025 |
| 23010 | Pita Oil & Gas, LLC | | Oil Operator | Jul 2004 |
| 23011 | Pitchfork Investments, LLC | Amarillo, TX 79109 | Oil & Gas Operator | May 2025 |
| 23012 | Pitchfork Oil & Gas, Inc. | Orchard, TX 77464 | Oil & Gas Operator | May 2025 |
| 23013 | Pitco Investments, LTD. | Scottsdale, AZ 85261 | Oil & Gas Operator | Jan 2013 |
| 23014 | Pitco Production Company | Tulsa, OK 74170-2320 | Oil & Gas Operator | May 2013 |
| 23015 | Pitcock, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2025 |
| 23016 | Pitman Creek, Inc. | Burlington, IA 52601 | Oil Operator | Dec 1992 |
| 23017 | Pitman John | | Oil & Gas Operator | Jan 1992 |
| 23018 | Pitman, John Douglas Revocable Trust | Oklahoma City, OK 73118 | Oil Operator | Jan 2025 |
| 23019 | Pitman, John Estate (Deceased) | Oklahoma City, OK 73104 | Oil Operator | May 2000 |
| 23020 | Pittencrieff (Gulf Coast), Inc. | Abilene, TX 79608 | Oil & Gas Operator | Sep 1998 |
| 23021 | Pittencrieff America Inc | Abilene, TX 79608 | Oil & Gas Operator | Feb 2003 |
| 23022 | Pittman Kenneth | | Oil Operator | Mar 1995 |
| 23023 | Pittman, Joe N. | | Oil & Gas Operator | Apr 1985 |
| 23024 | Pittman-Allen Operating LLC | Oklahoma City, OK 73122-1105 | Gas Operator | Feb 2016 |
| 23025 | Pitts Energy Co. | Midland, TX 79707 | Oil & Gas Operator | May 2025 |
| 23026 | Pitts Oil Co-Dallas Prod Inc | | Oil & Gas Operator | Jun 1991 |
| 23027 | Pitts, Charles Company | Abilene, TX 79604 | Oil & Gas Operator | Dec 1997 |
| 23028 | Pitts, W. C. | | Oil Operator | Jan 1988 |
| 23029 | Pivonka Investments LLC | | Oil & Gas Operator | Apr 2025 |
| 23030 | Pixley Carlis D | Marlow, OK 73055 | Oil & Gas Operator | Sep 1999 |
| 23031 | PK Gath & Oilfield SVCS, Inc. | Cleburne, TX 76031 | Oil & Gas Operator | May 2025 |
| 23032 | PK Petroleum LLC | Pampa, TX 79065 | Oil & Gas Operator | May 2025 |
| 23033 | PKS Energy Savers Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | Jul 1994 |
| 23034 | Place Oil And Gas Co. | Eastland, TX 76448 | Oil & Gas Operator | May 2025 |
| 23035 | Place, Steve | El Dorado, KS 67042 | Oil Operator | Dec 2019 |
| 23036 | Placer Oil Co. | Sugar Land, TX 77479 | Oil & Gas Operator | Apr 2008 |
| 23037 | Placid Oil Co., Et Al | | Oil & Gas Operator | Jun 1983 |
| 23038 | Placid Oil Company | Houston, TX 77227 | Oil & Gas Operator | Mar 2008 |
| 23039 | Placid Operating, LLC | Dallas, TX 75230 | Oil & Gas Operator | Jul 2021 |
| 23040 | Plains Exploration & Prod. Co. | Houston, TX 77002 | Oil & Gas Operator | Jul 2013 |
| 23041 | Plains Marketing, LP | Cushing, OK 74023 | Oil Operator | Jan 2012 |
| 23042 | Plains Oil & Gas | Cushing, OK 74023-4819 | Oil & Gas Operator | Jan 2019 |
| 23043 | Plains Oil Compa | | Oil & Gas Operator | Aug 1988 |
| 23044 | Plains Petroleum | | Gas Operator | Dec 1996 |
| 23045 | Plains Petroleum Operating Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2014 |
| 23046 | Plains Production Inc | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1995 |
| 23047 | Plains Radio Pet Co | Midland, TX 79703 | Oil & Gas Operator | Apr 2023 |
| 23048 | Plains Resources Group LLC | Wynnewood, OK 73098 | Oil & Gas Operator | Feb 2025 |
| 23049 | Plains Resources Inc. | Houston, TX 77002 | Oil & Gas Operator | Jul 2008 |
| 23050 | Plainsmen Energy LLC | Enid, OK 73703-5747 | Oil & Gas Operator | Mar 2025 |
| 23051 | Planet Associates Inc | Denver, CO 80218 | Oil Operator | Dec 1994 |
| 23052 | Planet Energy, LLC | | Oil & Gas Operator | Dec 2015 |
| 23053 | Planet Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 23054 | Planet Resource Operating, LLC | | Oil & Gas Operator | Nov 2024 |
| 23055 | Planetierra Three Partnership | Sunray, TX 79086 | Oil & Gas Operator | May 2025 |
| 23056 | Plano Corp. | | Oil & Gas Operator | Mar 2005 |
| 23057 | Plano Petroleum | | Oil & Gas Operator | Dec 1994 |
| 23058 | Plano Petroleum Corporation | McKinney, TX 75070 | Oil & Gas Operator | Jan 2025 |
| 23059 | Plano Petroleum LLC | Plano, TX 75093-8773 | Oil & Gas Operator | Apr 2013 |
| 23060 | Plantation Oil Company | | Oil Operator | Dec 2006 |
| 23061 | Plantation Operating Co., Inc. | Holliday, TX 76366 | Oil & Gas Operator | May 2025 |
| 23062 | Plantation Operating, LLC | Houston, TX 77041 | Oil & Gas Operator | Nov 2011 |
| 23063 | Plants & Goodwin Inc | Bradford, PA 16701-3733 | Oil & Gas Operator | Dec 2018 |
| 23064 | Plateau Energy, LLC | Smyer, TX 79367 | Oil & Gas Operator | Dec 2023 |
| 23065 | Plateau Operating Corporation | Nashville, TN 37205 | Gas Operator | Jan 2025 |
| 23066 | Platform Operating, LLC | Midland, TX 79702 | Oil & Gas Operator | May 2025 |
| 23067 | Platinum Exploration Inc. | Midland, TX 79701 | Oil & Gas Operator | May 2025 |
| 23068 | Platinum Gas Properties LLC | | Gas Operator | Apr 2025 |
| 23069 | Platinum Oil & Gas, L.L.C. | San Juan, TX 78589 | Oil & Gas Operator | May 2025 |
| 23070 | Platinum Oil Properties, LLC | Greenwood VIllage, CO 80111 | Oil & Gas Operator | Aug 2006 |
| 23071 | Platinum Properties Inc. | Wichita Falls, TX 76301 | Oil Operator | Aug 2003 |
| 23072 | Platt Oil Production | | Oil & Gas Operator | Jan 2007 |
| 23073 | Platte Valley Oi | | Oil Operator | Jul 1987 |
| 23074 | Platte Valley Oil Co., Inc. | Ralston, NE 68127 | Oil Operator | Jan 2025 |
| 23075 | Playa Minerals & Energy, Inc. | Houston, TX 77060 | Oil & Gas Operator | Nov 2003 |
| 23076 | Playa Oil & Gas, LP | | Oil & Gas Operator | Apr 2009 |
| 23077 | Pleasant Hill Oil Co | Carrollton, OH 44615 | Oil Operator | Dec 2006 |
| 23078 | Pledger Operating Co. Inc. | | Oil & Gas Operator | Feb 2025 |
| 23079 | Pledger West Broussard Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 23080 | Plegel Oil Company Inc. | | Oil & Gas Operator | Mar 2025 |
| 23081 | Plemons Enterprises | Borger, TX 79008 | Oil & Gas Operator | Aug 1998 |
| 23082 | Plenergy Dev LTD | | Oil & Gas Operator | Jun 2004 |
| 23083 | Pletcher Oil Limited Liability Company | Ardmore, OK 73401 | Oil & Gas Operator | Mar 2025 |
| 23084 | PLF Energy, LLC | Le Roy, NY 14482 | Gas Operator | Dec 2023 |
| 23085 | Plick Enterprises, Inc. | Wellsville, NY 14895 | Oil & Gas Operator | Dec 2023 |
| 23086 | Plo Inc | Amarillo, TX 79109-6222 | Gas Operator | Mar 2015 |
| 23087 | Plo'S Oil & Gas | Carrizo SPGS, TX 78834 | Oil & Gas Operator | May 2025 |
| 23088 | Plotner Oil Company | Oklahoma City, OK 73122 | Oil & Gas Operator | Mar 2025 |
| 23089 | Plotner Ralph Oil & Gas Inv Co | Oklahoma City, OK 73112 | Oil & Gas Operator | Nov 2021 |
| 23090 | Ploutos, LLC | | Oil Operator | May 2021 |
| 23091 | Plover Production Company | Fort Worth, TX 76109 | Oil & Gas Operator | Jul 2006 |
| 23092 | PLR Energy, LLC | Houston, TX 77079 | Oil Operator | May 2018 |
| 23093 | PLS Operating Co, Inc. | | Oil & Gas Operator | Jul 1989 |
| 23094 | Plug Nickel Oil Company Inc | | Oil & Gas Operator | Mar 2025 |
| 23095 | Plum Creek Energy, LLC | Ellinwood, KS 67526 | Oil & Gas Operator | Jan 2025 |
| 23096 | Plumb Operating Company, Inc. | | Oil & Gas Operator | Dec 1989 |
| 23097 | Plumb Resources, Inc. | Houston, TX 77096 | Oil & Gas Operator | Jun 1998 |
| 23098 | Plumley, M. C. & Associates | Borger, TX 79008 | Oil & Gas Operator | May 2025 |
| 23099 | Plummer Energy Inc | Pauls Valley, OK 73075-8663 | Oil & Gas Operator | Nov 2016 |
| 23100 | Plymouth Exploration LLC | Tulsa, OK 74119-1031 | Oil & Gas Operator | Mar 2025 |