| 23001 | Pool Company | | Oil Operator | Dec 2002 |
| 23002 | Pool Operating Corporation | Lago VIsta, TX 78645 | Oil & Gas Operator | Oct 2016 |
| 23003 | Pool Production Services | | Oil Operator | Aug 1990 |
| 23004 | Pool, Lloyd Operating | Sandia Park, NM 87047 | Gas Operator | Dec 2013 |
| 23005 | Poor Boy Corporation | Ellinwood, KS 67526 | Oil Operator | Mar 2025 |
| 23006 | Poor Boy Operating Co. | Lubbock, TX 79403 | Oil Operator | Jan 2022 |
| 23007 | Poorboy Exploration LLC | Caldwell, OH 43724-9134 | Oil & Gas Operator | Dec 2024 |
| 23008 | Poorboy Oil Inc | Velma, OK 73491 | Oil & Gas Operator | Jul 2022 |
| 23009 | Pop Operating Company | Denton, TX 76202 | Oil & Gas Operator | Jul 2025 |
| 23010 | Pope Charles Edward | Morris, OK 74445 | Oil & Gas Operator | Mar 2023 |
| 23011 | Pope Oil LLC | Morris, OK 74445 | Oil Operator | Apr 2025 |
| 23012 | Pope Ted & Karen Dba MP Operating | Bristow, OK 74010 | Oil Operator | May 2025 |
| 23013 | Popp Operating, Inc. | Hoisington, KS 67544 | Oil Operator | Mar 2025 |
| 23014 | Porebski, Adam R. | Gerry, NY 14740 | Gas Operator | Dec 2024 |
| 23015 | Porosity Oil LLC | Imperial, TX 79743 | Oil Operator | Jul 2025 |
| 23016 | Port Erie Plastics Inc | Harborcreek, PA 16421-1018 | Gas Operator | Dec 2024 |
| 23017 | Port Hudson Operating Company | | Oil & Gas Operator | Nov 2024 |
| 23018 | Portage Exploration Co In | Salem, IL 62881 | Oil & Gas Operator | Dec 2004 |
| 23019 | Portage Resources Inc | Warren, OH 44484 | Oil & Gas Operator | Dec 2015 |
| 23020 | Portal Energy Corporation | Dallas, TX 75201 | Oil & Gas Operator | Mar 1993 |
| 23021 | Portals Woodward Joint Venture | | Oil Operator | Dec 2000 |
| 23022 | Portana Properties LLC | McKinney, TX 75072 | Oil Operator | Jul 2025 |
| 23023 | Porter Brothers | Zanesville, OH 43701 | Oil & Gas Operator | Dec 1995 |
| 23024 | Porter John B | Ketchum, OK 74349-0207 | Oil & Gas Operator | May 2000 |
| 23025 | Porter John E "Gene" | Cushing, OK 74023 | Oil & Gas Operator | Aug 2000 |
| 23026 | Porter Oil | Peabody, KS 66866 | Oil Operator | Oct 2000 |
| 23027 | Porter Oil And Gas Inc | Fort Smith, AR 72903-6906 | Oil & Gas Operator | Apr 2025 |
| 23028 | Porter Operating Company, L.L.C. | Pampa, TX 79066 | Oil & Gas Operator | Jul 2025 |
| 23029 | Porter Petroleum | Hopewell, OH 43746 | Oil & Gas Operator | Dec 2021 |
| 23030 | Porter Petroleum Of Seo LLC | Hopewell, OH 43746 | Oil Operator | Dec 2024 |
| 23031 | Porter Sesnon Et Al | | Oil & Gas Operator | Dec 1978 |
| 23032 | Porter Tom & John | Boynton, OK 74422 | Oil & Gas Operator | Apr 2025 |
| 23033 | Porter, E. J. | Mingus, TX 76463 | Gas Operator | Jan 2011 |
| 23034 | Porter, James W. | Houston, TX 77240 | Oil & Gas Operator | Oct 1993 |
| 23035 | Porter, James W. Special | Blanco, TX 78606 | Oil & Gas Operator | Jul 2025 |
| 23036 | Portfolio Oil Corporation | Oklahoma City, OK 73119 | Oil & Gas Operator | May 2013 |
| 23037 | Portman Acres | Butler, PA 16002-9107 | Gas Operator | Dec 2024 |
| 23038 | Positive Energy LLC | Ada, OK 74820 | Oil & Gas Operator | May 2025 |
| 23039 | Poso Creek Energy LLC | | Oil & Gas Operator | Dec 2009 |
| 23040 | Post & Mastin Well Service, Inc. | Garden City, KS 67846 | Oil Operator | May 2016 |
| 23041 | Post Hole Drilling Company, LLC | | Oil & Gas Operator | Nov 2023 |
| 23042 | Post Oak Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Jul 2013 |
| 23043 | Post Oak Operating, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Jul 2025 |
| 23044 | Post Petroleum C | | Gas Operator | Nov 1991 |
| 23045 | Post Petroleum Company | Oklahoma City, OK 73116 | Oil & Gas Operator | Aug 2013 |
| 23046 | Post Rock Gas, Inc. | Luray, KS 67699 | Oil & Gas Operator | Jun 2003 |
| 23047 | Post, George P. | Oklahoma City, OK 73118 | Oil & Gas Operator | Jul 2025 |
| 23048 | Poston Operating Co Inc | Ashley, OH 43003 | Oil & Gas Operator | Dec 2003 |
| 23049 | Postrock Eastern Production LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Oct 2020 |
| 23050 | Postrock Midcontinent Production LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Apr 2025 |
| 23051 | Potato Creek, L.L.C. | Edna, KS 67342 | Oil & Gas Operator | Mar 2025 |
| 23052 | Poteet Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 1994 |
| 23053 | Potlatch Oil & Refining Co | Shelby, MT 59474 | Oil & Gas Operator | Mar 2025 |
| 23054 | Potter Hammill & Potter Inc. | Beggs, OK 74421-0038 | Oil Operator | Aug 2013 |
| 23055 | Potter J And D Oil LLC | Kingfisher, OK 73750-3832 | Oil & Gas Operator | Mar 2015 |
| 23056 | Potter McKean Resources Of Pa | Shinglehouse, PA 16748-2631 | Gas Operator | Dec 2007 |
| 23057 | Potter Tom Estate | | Oil Operator | Dec 2014 |
| 23058 | Pottmeyer David | Fleming, OH 43729 | Oil & Gas Operator | Dec 2023 |
| 23059 | Potts Exploration LLC | Oklahoma City, OK 73114 | Gas Operator | Jan 2016 |
| 23060 | Pound Robert M | Bristow, OK 74010 | Oil & Gas Operator | Sep 2014 |
| 23061 | Poverty Knob Production, LLC | Osawatomie, KS 66064 | Oil Operator | Mar 2025 |
| 23062 | Powco Oil & Gas Co. | Athens, TX 75751 | Oil & Gas Operator | Feb 1995 |
| 23063 | Powder Battalion Holdings LLC | Sheridan, WY 82801 | Gas Operator | Dec 2023 |
| 23064 | Powder Mill Gas Co | New Bethlehem, PA 16242-2252 | Gas Operator | Dec 2024 |
| 23065 | Powder River Oil | Golden, CO 80401 | Oil & Gas Operator | Sep 2018 |
| 23066 | Powder River Petroleum | Boerne, TX 78006 | Oil & Gas Operator | Dec 1998 |
| 23067 | Powder River Resources, LLC | Archer City, TX 76351 | Oil & Gas Operator | Jul 2025 |
| 23068 | Powder River Royalty Inc | | Oil & Gas Operator | Dec 1986 |
| 23069 | Powell & Brown | Denver City, TX 79323 | Oil & Gas Operator | Mar 2008 |
| 23070 | Powell Donovan L | Spraggs, PA 15362-2019 | Gas Operator | Dec 2024 |
| 23071 | Powell James S | Cleveland, OK 74020 | Oil Operator | Apr 2025 |
| 23072 | Powell Jess L | Sapulpa, OK 74066 | Oil & Gas Operator | Apr 2025 |
| 23073 | Powell Oil | Healdton, OK 73438-4463 | Oil & Gas Operator | May 2025 |
| 23074 | Powell Oil And Gas, LLC | Sebree, KY 42455 | Oil Operator | Dec 2020 |
| 23075 | Powell Petroleum Resources, LLC | Houston, TX 77054 | Gas Operator | Jun 2005 |
| 23076 | Powell Properties, Inc. | Los Altos, CA 94024 | Oil & Gas Operator | Jul 2025 |
| 23077 | Powell, A. Brandt | Coleman, TX 76834 | Oil & Gas Operator | Mar 1999 |
| 23078 | Powell, A. Brandt Co. | Hawley, TX 79525 | Oil & Gas Operator | Jul 2025 |
| 23079 | Powell, A. D., Oil Corp. | Luling, TX 78648 | Oil & Gas Operator | Aug 1996 |
| 23080 | Powell, Gene Investments, Inc. | Longview, TX 75608 | Oil & Gas Operator | Apr 2024 |
| 23081 | Powell, J R Trust Uta 1-1-1983 | | Oil & Gas Operator | Dec 2013 |
| 23082 | Powell, J.W. | Muenster, TX 76252 | Oil & Gas Operator | Dec 1994 |
| 23083 | Powell, N. P. Estate | Tyler, TX 75702 | Oil & Gas Operator | Aug 1997 |
| 23084 | Powell, N. P. Estate Partnership | Tyler, TX 75702 | Oil & Gas Operator | May 2002 |
| 23085 | Powell, Wayne D. & Barbara | Sedan, KS 67361 | Oil Operator | Sep 1996 |
| 23086 | Powell-McCarroll Partnership | Sachse, TX 75048 | Oil & Gas Operator | Jul 2025 |
| 23087 | Power Fuel Producers Inc | Keller, TX 76244-1059 | Oil & Gas Operator | Sep 2001 |
| 23088 | Power Gas Marketing & Trans | Akron, OH 44311-1057 | Oil & Gas Operator | Dec 2005 |
| 23089 | Power Gas MKT & Trans Inc | Akron, OH 44311-1062 | Oil & Gas Operator | Dec 2008 |
| 23090 | Power Reserves, Inc. | | Oil Operator | Feb 1999 |
| 23091 | Power Resour Oper Co Inc | Canton, OH 44718 | Oil & Gas Operator | Dec 2005 |
| 23092 | Power Run Oil LLC | | Oil & Gas Operator | Apr 2025 |
| 23093 | Power, Scott | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 1997 |
| 23094 | Powerdrive Energy Services Company LLC | | Oil & Gas Operator | May 2025 |
| 23095 | Powerflex Services Inc. | Winters, TX 79567 | Oil & Gas Operator | Jul 2025 |
| 23096 | Powerline Energy Corporation | Arlington, TX 76015 | Oil & Gas Operator | Jul 2025 |
| 23097 | Powers Energy Inc | Denver, CO 80237-1926 | Oil & Gas Operator | Aug 1999 |
| 23098 | Powers, Dixon D. | Great Bend, KS 67530 | Oil & Gas Operator | Oct 1995 |
| 23099 | Poydras Energy Partners, LLC | | Oil & Gas Operator | Dec 2021 |
| 23100 | Poynor Corporation | Beaumont, TX 77706 | Oil & Gas Operator | Jul 2025 |