| 21601 | Palmer Oil Properties | Post, TX 79356 | Oil & Gas Operator | Jul 2025 |
| 21602 | Palmer Oil, Inc. | Garden City, KS 67846 | Oil & Gas Operator | Mar 2025 |
| 21603 | Palmer Operating LLC | Megargel, TX 76370 | Oil Operator | Jul 2025 |
| 21604 | Palmer Petroleum Inc. | Shreveport, LA 71105 | Oil & Gas Operator | Jul 2025 |
| 21605 | Palmer Tank Trucks, Inc. | Olney, TX 76374 | Oil & Gas Operator | Mar 2008 |
| 21606 | Palmer, J. M. | Keller, TX 76244 | Oil & Gas Operator | Aug 2009 |
| 21607 | Palmer, James W. | Wichita Falls, TX 76308 | Oil & Gas Operator | Jul 2002 |
| 21608 | Palmer, John Inc. | Megargel, TX 76370 | Oil & Gas Operator | Feb 1994 |
| 21609 | Palmer, John LLC | Megargel, TX 76370 | Oil & Gas Operator | Jul 2025 |
| 21610 | Palmer, Mike Oil | Megargel, TX 76370 | Oil & Gas Operator | Mar 2021 |
| 21611 | Palmer, Scott Oil | Olney, TX 76374 | Oil Operator | Feb 2023 |
| 21612 | Palmetto Oil Co., Inc. | | Oil & Gas Operator | Jan 2025 |
| 21613 | Palmigo Oil Co. | West Hills, CA 91308 | Oil & Gas Operator | Oct 2017 |
| 21614 | Palo Chop Development LLC | | Oil Operator | Aug 2018 |
| 21615 | Palo Cross, LLC | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 21616 | Palo Duro Resources LLC | Perryton, TX 79070 | Oil & Gas Operator | Jul 2025 |
| 21617 | Palo Petroleum, Inc. | Dallas, TX 75360 | Oil & Gas Operator | Jul 2025 |
| 21618 | Palo Pinto Bond Company, LLC | Graham, TX 76450 | Oil & Gas Operator | Jul 2025 |
| 21619 | Palo Pinto Gas Company | Snyder, TX 79550 | Oil & Gas Operator | Dec 1994 |
| 21620 | Palo Pinto Oil & Gas Corporation | Mineral Wells, TX 76068 | Oil & Gas Operator | Apr 2015 |
| 21621 | Palo Pinto Production, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 1998 |
| 21622 | Paloma Blanca Well Service Inc. | Roswell, NM 88202 | Oil & Gas Operator | Jun 2002 |
| 21623 | Paloma Natural Gas, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 21624 | Paloma Operating Co Inc | Houston, TX 77002-5220 | Oil & Gas Operator | Apr 2025 |
| 21625 | Paloma Operating, LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Jul 2025 |
| 21626 | Paloma Permian Assetco, LLC | Houston, TX 77002 | Oil & Gas Operator | May 2025 |
| 21627 | Paloma Resources Inc | Roswell, NM 88201 | Oil & Gas Operator | Dec 1998 |
| 21628 | Paloma Resources, LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2018 |
| 21629 | Palomino Petrole | | Oil & Gas Operator | Dec 1995 |
| 21630 | Palomino Petroleum | Newton, KS 67114 | Oil Operator | Oct 2003 |
| 21631 | Palomino Petroleum Inc | Newton, KS 67114 | Oil & Gas Operator | Mar 2025 |
| 21632 | Palrich Oil Corporation | Abilene, TX 79601 | Oil & Gas Operator | Apr 2004 |
| 21633 | Paluca Petroleum Inc | Holdenville, OK 74848 | Oil & Gas Operator | Apr 2025 |
| 21634 | Paluxy Oil & Gas, LLC | Forney, TX 75126 | Oil & Gas Operator | Jul 2025 |
| 21635 | Paluxy Sands Corporation | Sonora, TX 76950 | Oil & Gas Operator | Jun 2012 |
| 21636 | Pam-Ark Oil Producers | | Oil Operator | Dec 1985 |
| 21637 | Pampa Water Disposal, Inc. | Booker, TX 79005 | Oil & Gas Operator | Jul 2025 |
| 21638 | Pan American Energy Corporation | | Oil & Gas Operator | Dec 1998 |
| 21639 | Pan American Petroleum Cor | | Oil & Gas Operator | Dec 1981 |
| 21640 | Pan American Petroleum Corp | | Oil & Gas Operator | Jan 2008 |
| 21641 | Pan American Sales Corporation | Dallas, TX 75202 | Oil & Gas Operator | Mar 2001 |
| 21642 | Pan Energy Company, Inc. | Orchard Park, NY 14127 | Oil & Gas Operator | Dec 2024 |
| 21643 | Pan Petroleum Corp. | Abilene, TX 79608 | Oil & Gas Operator | Mar 2008 |
| 21644 | Pan Petroleum MLP | Kansas City, MO 64114 | Oil & Gas Operator | Aug 1997 |
| 21645 | Pan Resources, Inc. | Borger, TX 79007 | Oil & Gas Operator | Mar 2008 |
| 21646 | Pan Texas Petroleum Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2003 |
| 21647 | Pan Western Energy Corporation | Tulsa, OK 74114 | Oil & Gas Operator | Jul 2025 |
| 21648 | Pan Western Petroleum Co. | | Oil & Gas Operator | Dec 1993 |
| 21649 | Pan-Ok Production Company | | Oil & Gas Operator | Nov 2024 |
| 21650 | Panaco Production Co | Houston, TX 77002 | Oil & Gas Operator | Dec 1999 |
| 21651 | Panaco, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Mar 2025 |
| 21652 | Panada Exploration, Inc. | Tulsa, OK 74135 | Oil & Gas Operator | Jun 1996 |
| 21653 | Panadero Oil Company | Dallas, TX 75206 | Oil & Gas Operator | Apr 2002 |
| 21654 | Panama Central School District | Panama, NY 14767 | Gas Operator | Dec 2024 |
| 21655 | Panamerican Operating Inc | Dallas, TX 75219 | Oil & Gas Operator | Jul 2025 |
| 21656 | Pancanadian Energy Resources Inc | | Oil & Gas Operator | Dec 2004 |
| 21657 | Pancanadian Petr | | Oil Operator | Aug 1990 |
| 21658 | Pancanadian Petroleum Company | | Oil & Gas Operator | Oct 1989 |
| 21659 | Panda Pipe & Equipment, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 1996 |
| 21660 | Panenergy La Intrastate Co | | Oil Operator | Mar 2000 |
| 21661 | Panenergy Services Inc | Houston, TX 77525 | Oil & Gas Operator | May 2001 |
| 21662 | Panexco Operating LLC | Oklahoma City, OK 73103-2203 | Oil & Gas Operator | Oct 2014 |
| 21663 | Pangaea Exploration Corp | Edmond, OK 73013 | Oil & Gas Operator | May 2019 |
| 21664 | Pangborn Tom Dba Pangborn Exploration | | Oil & Gas Operator | Jan 1993 |
| 21665 | Pangea Corporation | San Angelo, TX 76904 | Oil & Gas Operator | Jul 2025 |
| 21666 | Pangea'S Edge Operating Company LLC | Plano, TX 75025 | Oil & Gas Operator | Jul 2025 |
| 21667 | Panhandle Easter | | Gas Operator | Dec 1986 |
| 21668 | Panhandle Eastern Pipeline Company LP | Houston, TX 77002-6803 | Oil & Gas Operator | Oct 1999 |
| 21669 | Panhandle Oil & Gas Consultants Inc | Woodward, OK 73802-5011 | Oil & Gas Operator | Jul 2015 |
| 21670 | Panhandle Oil & Gas Inc | Oklahoma City, OK 73112-5688 | Oil & Gas Operator | May 2007 |
| 21671 | Panhandle Oilfield Service Companies Inc | Liberal, KS 67905-1256 | Oil Operator | Sep 2000 |
| 21672 | Panhandle Petrol | | Oil Operator | Jun 1987 |
| 21673 | Panhandle Producing Co., Oper. | San Antonio, TX 78205 | Oil & Gas Operator | Oct 1993 |
| 21674 | Panhandle Producing Company | San Antonio, TX 78205 | Oil & Gas Operator | Oct 1993 |
| 21675 | Pannonian Energy Inc | Englewood, CO 80112 | Oil & Gas Operator | Mar 2004 |
| 21676 | Panoak Oil & Gas Corporation | Tulsa, OK 74137 | Oil & Gas Operator | Aug 2018 |
| 21677 | Panoche Vallecitos Oil Co. | | Oil & Gas Operator | Apr 2025 |
| 21678 | Panola Corporation, The | Dallas, TX 75252 | Oil & Gas Operator | Sep 2002 |
| 21679 | Panola Energy Corporation | | Gas Operator | Mar 1980 |
| 21680 | Panotech Exploration Corp. | | Oil & Gas Operator | Jan 1983 |
| 21681 | Pantano Energy | San Antonio, TX 78258 | Oil & Gas Operator | Jul 1999 |
| 21682 | Pantera Energy Company | Amarillo, TX 79101 | Oil & Gas Operator | Jul 2025 |
| 21683 | Pantex Oil & Gas LLC | Ranger, TX 76470 | Oil & Gas Operator | Jul 2018 |
| 21684 | Panther Bayou Energy, LLC | Houston, TX 77070 | Oil & Gas Operator | Apr 2021 |
| 21685 | Panther City Energy LLC | San Antonio, TX 78205 | Oil & Gas Operator | Jul 2025 |
| 21686 | Panther Creek Mining, LLC | Lexington, KY 40475 | Gas Operator | Dec 2021 |
| 21687 | Panther Creek Resources, LLC | Denver, CO 80202 | Oil & Gas Operator | May 2012 |
| 21688 | Panther Energy Company III LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jul 2020 |
| 21689 | Panther Energy Company, LLC | Tulsa, OK 74103 | Oil & Gas Operator | May 2022 |
| 21690 | Panther Exploration, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2017 |
| 21691 | Panther LLC | Fort Worth, TX 76102 | Gas Operator | Dec 2020 |
| 21692 | Panther Operating LLC | Pauls Valley, OK 73075 | Oil & Gas Operator | May 2025 |
| 21693 | Paoco-Walker | | Gas Operator | Sep 2011 |
| 21694 | Paoli Investors LTD | | Oil & Gas Operator | Aug 1985 |
| 21695 | Pap Oil Company Inc | Cement, OK 73017-0240 | Oil & Gas Operator | Nov 1998 |
| 21696 | Papal Enterprises Inc | Oklahoma City, OK 73154-1555 | Oil & Gas Operator | Apr 2015 |
| 21697 | Papco, Inc. | Warren, PA 16365 | Oil & Gas Operator | Jul 2025 |
| 21698 | Pape Oilfield Service Inc | | Oil & Gas Operator | Jul 2018 |
| 21699 | Papesch Robert J | Waterford, PA 16441-4607 | Gas Operator | Dec 2024 |
| 21700 | Papineau Drilling, Inc | Albany, KY 42602 | Oil Operator | Dec 2014 |