| 21701 | Pacific Energy Resources Inc. | | Oil Operator | Feb 2025 |
| 21702 | Pacific Energy Resources LTD | | Oil & Gas Operator | Sep 2009 |
| 21703 | Pacific Enterprise Oil Co USA | Los Angeles, CA 90071-2005 | Oil & Gas Operator | Aug 2012 |
| 21704 | Pacific Enterprises Oil Co USA | Dallas, TX 75201 | Oil & Gas Operator | Feb 2001 |
| 21705 | Pacific Enterprises Royalty Co | Oklahoma City, OK 73101 | Oil & Gas Operator | Feb 2002 |
| 21706 | Pacific Exploration Oper Co, LLC | Houston, TX 77057 | Oil Operator | May 2025 |
| 21707 | Pacific Gas And Electric Company | | Gas Operator | Mar 2025 |
| 21708 | Pacific Inland Operating Corporation | | Gas Operator | Dec 1993 |
| 21709 | Pacific Natural Gas Explor | | Oil & Gas Operator | Dec 1974 |
| 21710 | Pacific Operators, Inc. | San Antonio, TX 78205 | Oil & Gas Operator | Mar 1999 |
| 21711 | Pacific Palms Petroleum LLC | | Oil & Gas Operator | Mar 2025 |
| 21712 | Pacific Petroleum Technology LLC | | Oil & Gas Operator | Dec 2018 |
| 21713 | Pacific Trans Supply | Vernal, UT 84078 | Oil & Gas Operator | Jul 1987 |
| 21714 | Pacific Transmission Supply | | Oil & Gas Operator | Dec 1987 |
| 21715 | Pack-Man Energy Company | Ranger, TX 76470 | Oil & Gas Operator | Nov 2005 |
| 21716 | Packard Energy LLC | Medicine Lodge, KS 67104 | Oil & Gas Operator | Jan 2025 |
| 21717 | Packard Gas Company | Irving, TX 75063 | Oil & Gas Operator | Nov 2006 |
| 21718 | Packard, Lynn | Medicine Lodge, KS | Oil & Gas Operator | Dec 2024 |
| 21719 | Pactola Development Co | Tulsa, OK 74159 | Oil & Gas Operator | Sep 2004 |
| 21720 | Pada Petroleum, Inc. | Maple City, KS 67102 | Oil & Gas Operator | Jan 2025 |
| 21721 | Padco LLC | | Oil & Gas Operator | Mar 2025 |
| 21722 | Padgett Oil Inc. | Sedan, KS 67361 | Oil Operator | May 2006 |
| 21723 | Padon, Frank B. Oil Oper., Inc. | Houston, TX 77227 | Oil & Gas Operator | Nov 1998 |
| 21724 | Padre Oil Co. | | Oil & Gas Operator | Mar 2025 |
| 21725 | Page Development, L.L.C. | | Oil Operator | Dec 2024 |
| 21726 | Page Energy | Eldorado, TX 76936 | Oil & Gas Operator | Mar 1997 |
| 21727 | Page Exploration | Midland, TX 79701 | Oil & Gas Operator | Apr 2007 |
| 21728 | Page Lew Barron | | Oil Operator | Dec 2024 |
| 21729 | Page Oil & Gas, LLC | Midland, TX 79701 | Oil & Gas Operator | May 2025 |
| 21730 | Page Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Aug 2010 |
| 21731 | Page Petroleum Inc | Calgary, AB T2P3M-3000 | Oil & Gas Operator | Nov 1998 |
| 21732 | Page, Allen | | Oil & Gas Operator | Dec 2014 |
| 21733 | Paine Petroleum Company LLC | | Oil Operator | Dec 2013 |
| 21734 | Paint Rock Operating, LLC | San Angelo, TX 76904 | Oil & Gas Operator | May 2025 |
| 21735 | Painted Pegasus Petroleum LLC | | Oil & Gas Operator | Jul 2024 |
| 21736 | Painter & McPhail | Bartlesville, OK 74006 | Oil Operator | Sep 1996 |
| 21737 | Painter Oil And Gas LTD. | | Oil & Gas Operator | Jun 1986 |
| 21738 | Painter Oil Comp | | Oil & Gas Operator | Jul 1993 |
| 21739 | Pairadice Oil & Gas Company LLC | Caldwell, TX 77836 | Oil Operator | May 2025 |
| 21740 | Paisano Minerals Company | Corpus Chrsti, TX 78477 | Oil & Gas Operator | Aug 2003 |
| 21741 | Paisano Petroleum, Inc. | San Antonio, TX 78246 | Oil & Gas Operator | Dec 2016 |
| 21742 | Paisano Production, Inc. | Somerset, TX 78069 | Oil Operator | May 2025 |
| 21743 | Paiute Oil & Mining Corp | Salt Lake City, UT 84117 | Oil & Gas Operator | Jun 1989 |
| 21744 | Pajaro Energy LLC | Santa Fe, NM 87501 | Oil & Gas Operator | Dec 2023 |
| 21745 | Pak Energy LLC | Calgary, AB T3A-5E8 | Oil Operator | Sep 2022 |
| 21746 | Pal Energy LLC | Guymon, OK 73942-1950 | Gas Operator | Aug 2009 |
| 21747 | Pal Kids Inc | Coronado, CA 92118 | Oil & Gas Operator | Nov 2000 |
| 21748 | Pal LLC | Gillette, WY 82718 | Oil Operator | Dec 2019 |
| 21749 | Palace Exploration Company | Houston, TX 77002 | Oil & Gas Operator | Mar 2007 |
| 21750 | Palace Operating Company | Tulsa, OK 74136 | Oil & Gas Operator | Aug 2009 |
| 21751 | Paladar Investments I, L.L.C. | Houston, TX 77090 | Oil & Gas Operator | Feb 2013 |
| 21752 | Paladin Drilling Company | McLeod, TX 75565 | Gas Operator | Sep 2011 |
| 21753 | Paladin Energy Corp. | Dallas, TX 75229 | Oil & Gas Operator | Jul 2017 |
| 21754 | Paladin Energy Partner LLC | Denver, CO 80201 | Oil & Gas Operator | Aug 2006 |
| 21755 | Paladin Energy Partners LLC | | Oil & Gas Operator | Dec 2006 |
| 21756 | Paladin Exploration Co., Inc. | Plano, TX 75093 | Oil & Gas Operator | Feb 1995 |
| 21757 | Paladin Petroleum III, L.L.C. | Austin, TX 78746 | Oil & Gas Operator | May 2025 |
| 21758 | Paladin-Hayes, L.L.C. | Austin, TX 78746 | Oil & Gas Operator | Dec 1999 |
| 21759 | Paleo Oil & Gas, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2025 |
| 21760 | Paleo Oil Company LLC | Corpus Chrsti, TX 78411 | Oil & Gas Operator | May 2025 |
| 21761 | Paleo, Inc. | Oklahoma City, OK 73112 | Oil & Gas Operator | May 2025 |
| 21762 | Palisades Asset Holding Co LLC | Dallas, TX 75201 | Oil & Gas Operator | Aug 2017 |
| 21763 | Palisades Operating Company | Midland, TX 79702 | Oil & Gas Operator | May 2025 |
| 21764 | Palizay, Paul | Alden, NY 14004 | Gas Operator | Dec 2023 |
| 21765 | Palm Energy Offshore, L.L.C. | | Oil & Gas Operator | Apr 2019 |
| 21766 | Palm Oil & Gas Company | Sedona, AZ 86340 | Oil & Gas Operator | Mar 2025 |
| 21767 | Palm Operating LLC | Oklahoma City, OK 73106-5646 | Oil & Gas Operator | Nov 2019 |
| 21768 | Palmer Engineering, Inc. | Luray, KS 67649 | Gas Operator | Mar 2000 |
| 21769 | Palmer Oil Properties | Post, TX 79356 | Oil & Gas Operator | May 2025 |
| 21770 | Palmer Oil, Inc. | Garden City, KS 67846 | Oil & Gas Operator | Jan 2025 |
| 21771 | Palmer Operating LLC | Megargel, TX 76370 | Oil Operator | May 2025 |
| 21772 | Palmer Petroleum Inc. | Shreveport, LA 71105 | Oil & Gas Operator | May 2025 |
| 21773 | Palmer Tank Trucks, Inc. | Olney, TX 76374 | Oil & Gas Operator | Mar 2008 |
| 21774 | Palmer, J. M. | Keller, TX 76244 | Oil & Gas Operator | Aug 2009 |
| 21775 | Palmer, James W. | Wichita Falls, TX 76308 | Oil & Gas Operator | Jul 2002 |
| 21776 | Palmer, John Inc. | Megargel, TX 76370 | Oil & Gas Operator | Feb 1994 |
| 21777 | Palmer, John LLC | Megargel, TX 76370 | Oil & Gas Operator | May 2025 |
| 21778 | Palmer, Mike Oil | Megargel, TX 76370 | Oil & Gas Operator | Mar 2021 |
| 21779 | Palmer, Scott Oil | Olney, TX 76374 | Oil Operator | Feb 2023 |
| 21780 | Palmetto Oil Co., Inc. | | Oil & Gas Operator | Jan 2025 |
| 21781 | Palmigo Oil Co. | West Hills, CA 91308 | Oil & Gas Operator | Oct 2017 |
| 21782 | Palo Chop Development LLC | | Oil Operator | Aug 2018 |
| 21783 | Palo Cross, LLC | Graham, TX 76450 | Oil & Gas Operator | May 2025 |
| 21784 | Palo Duro Resources LLC | Perryton, TX 79070 | Oil & Gas Operator | May 2025 |
| 21785 | Palo Petroleum Inc | Dallas, TX 75360 | Oil & Gas Operator | May 2025 |
| 21786 | Palo Pinto Bond Company, LLC | Graham, TX 76450 | Oil & Gas Operator | May 2025 |
| 21787 | Palo Pinto Gas Company | Snyder, TX 79550 | Oil & Gas Operator | Dec 1994 |
| 21788 | Palo Pinto Oil & Gas Corporation | Mineral Wells, TX 76068 | Oil & Gas Operator | Apr 2015 |
| 21789 | Palo Pinto Production, Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Aug 1998 |
| 21790 | Paloma Blanca Well Service Inc. | Roswell, NM 88202 | Oil & Gas Operator | Jun 2002 |
| 21791 | Paloma Natural Gas, LLC | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 21792 | Paloma Operating Co Inc | Houston, TX 77002-5220 | Oil & Gas Operator | Dec 2024 |
| 21793 | Paloma Operating, LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | May 2025 |
| 21794 | Paloma Permian Assetco, LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2025 |
| 21795 | Paloma Resources Inc | Roswell, NM 88201 | Oil & Gas Operator | Dec 1998 |
| 21796 | Paloma Resources, LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2018 |
| 21797 | Palomino Petrole | | Oil & Gas Operator | Dec 1995 |
| 21798 | Palomino Petroleum | Newton, KS 67114 | Oil Operator | Oct 2003 |
| 21799 | Palomino Petroleum Inc | Newton, KS 67114 | Oil & Gas Operator | Jan 2025 |
| 21800 | Palrich Oil Corporation | Abilene, TX 79601 | Oil & Gas Operator | Apr 2004 |