| 22601 | Penner Energy Inc | Oklahoma City, OK 73120-1930 | Oil & Gas Operator | Feb 2025 |
| 22602 | Pennfield Energy LLC | Erie, PA 16510-4760 | Oil & Gas Operator | Dec 2021 |
| 22603 | Pennhills Resources LLC | MT. Jewett, PA 16740 | Oil & Gas Operator | Feb 2025 |
| 22604 | Pennine Resc Inc | | Oil Operator | Sep 1992 |
| 22605 | Pennington Oil & Gas Int, LLC | | Oil & Gas Operator | Dec 2024 |
| 22606 | Pennington Operating Company, LLC | | Oil & Gas Operator | Jul 2020 |
| 22607 | Pennington Refining LLC | Grand Prairie, TX 75051 | Oil Operator | Apr 2025 |
| 22608 | Pennington, W. L., Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Jul 1996 |
| 22609 | Pennmark Resources Company | Edmond, OK 73013 | Oil & Gas Operator | Jan 2025 |
| 22610 | Penntex Petroleum Corporation | Austin, TX 78731 | Oil & Gas Operator | Apr 2025 |
| 22611 | Penntex Resources, L.P. | State College, PA 16803 | Oil & Gas Operator | Mar 2016 |
| 22612 | Penny, Ralph E. | White Plains, NY 10601 | Oil & Gas Operator | Jul 2023 |
| 22613 | Pennzenergy | Houston, TX 77252 | Oil & Gas Operator | Dec 1986 |
| 22614 | Pennzenergy Exp. & Prod., L.L.C. | Houston, TX 77210 | Oil & Gas Operator | Mar 2000 |
| 22615 | Pennzenergy Explor & Prod LLC | | Oil & Gas Operator | Dec 1999 |
| 22616 | Pennzenergy Exploration & Production LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2009 |
| 22617 | Pennzoil Company | Midland, TX 79710-0090 | Oil & Gas Operator | Mar 2000 |
| 22618 | Pennzoil E & P & M H Marr | | Oil & Gas Operator | Sep 1993 |
| 22619 | Pennzoil E & P Co - Arco | | Oil & Gas Operator | Dec 1993 |
| 22620 | Pennzoil E & P Co - Clark Oil | | Oil & Gas Operator | Apr 1980 |
| 22621 | Pennzoil E & P Co Et Al | | Oil & Gas Operator | Feb 1999 |
| 22622 | Pennzoil E & P Co-Sohio Et Al | | Oil & Gas Operator | Jun 1991 |
| 22623 | Pennzoil E & P Co-Sohio Petr | | Oil & Gas Operator | Feb 1999 |
| 22624 | Pennzoil Expl & Prod Co -TX | | Oil & Gas Operator | May 1993 |
| 22625 | Pennzoil Expl & Prod Co. -MS | | Oil Operator | Jan 1988 |
| 22626 | Pennzoil Explor & Prod Co | Houston, TX 77002 | Oil & Gas Operator | Mar 2000 |
| 22627 | Pennzoil Exploration & Production Co. | Carthage, TX 75633 | Oil & Gas Operator | Mar 2008 |
| 22628 | Pennzoil Petroleum Company | Houston, TX 77252 | Oil & Gas Operator | Nov 1999 |
| 22629 | Pennzoil Prod Co | Vienna, WV 26105-2141 | Oil & Gas Operator | Dec 2000 |
| 22630 | Pennzoil Producing Company | | Oil & Gas Operator | Oct 1992 |
| 22631 | Penroc Oil Corp. | Hobbs, NM 88241 | Oil & Gas Operator | Feb 2025 |
| 22632 | Penrod Oil Company Of Texas, Inc | Milano, TX 76556 | Oil & Gas Operator | Apr 2025 |
| 22633 | Pense Brothers Drilling | | Oil Operator | Dec 1998 |
| 22634 | Pentad Development Corp. (A) | Dallas, TX 75201 | Oil & Gas Operator | Mar 1993 |
| 22635 | Pentagon Petroleum, Inc. | | Oil & Gas Operator | Sep 1991 |
| 22636 | Pentarch Petroleum | | Oil Operator | Dec 2024 |
| 22637 | Pentergy Operating, LLC | New Braunfels, TX 78132 | Oil & Gas Operator | Apr 2025 |
| 22638 | Pentex Energy, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2003 |
| 22639 | Pentex Operating Company | Oklahoma City, OK 73132 | Oil & Gas Operator | Oct 1994 |
| 22640 | Penton And Penton | | Oil & Gas Operator | Jan 1983 |
| 22641 | Pentress Gas LLC | Pentress, WV 26544 | Gas Operator | Dec 2021 |
| 22642 | Penwell Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Apr 2025 |
| 22643 | Penwell South Operating LLC | Houston, TX 77269 | Oil Operator | Apr 2025 |
| 22644 | Peoco LLC | | Gas Operator | Dec 2024 |
| 22645 | Peoples Bank & Trust Company | McPherson, KS 67460 | Oil Operator | Jan 2013 |
| 22646 | Peoples Energy Prod.-TX, L.P. | Houston, TX 77002 | Oil & Gas Operator | Sep 2007 |
| 22647 | Peoples Energy Production-Texas, L.P. | Houston, TX 77010 | Oil & Gas Operator | Oct 2007 |
| 22648 | Peoples Gas Co LLC | Butler, PA 16001-4904 | Oil & Gas Operator | Dec 2005 |
| 22649 | Peoples Ice Inc | | Oil & Gas Operator | Nov 1997 |
| 22650 | Peoples Natural Gas Co LLC | Pittsburgh, PA 15212 | Gas Operator | Dec 2016 |
| 22651 | Peoples Oil, LLC | Ottawa, KS 66067 | Oil Operator | Dec 2024 |
| 22652 | Pep Drilling LLC | MT Vernon, IL 62864 | Oil & Gas Operator | Dec 2022 |
| 22653 | Pepin Oil Co | Stillwater, OK 74076 | Oil & Gas Operator | Oct 2013 |
| 22654 | Pepin Operating Company Inc | Stillwater, OK 74075-9535 | Oil & Gas Operator | May 2009 |
| 22655 | Pepper Development, LLC | Clarksburg, WV 26302 | Oil & Gas Operator | Dec 2021 |
| 22656 | Pepper Oil Co | Newark, OH 43055 | Oil & Gas Operator | Dec 1992 |
| 22657 | Percussion Petroleum Oper II,LLC | Houston, TX 77042 | Oil & Gas Operator | Jul 2023 |
| 22658 | Percussion Petroleum Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2019 |
| 22659 | Perdido Energy Louisiana, LLC | | Oil & Gas Operator | Dec 2024 |
| 22660 | Perdido Energy, LLC | Houston, TX 77251 | Oil & Gas Operator | Apr 2025 |
| 22661 | Perdue-Davidson Oil Co | | Oil & Gas Operator | Dec 2021 |
| 22662 | Perdura Energy L.L.C. | | Oil & Gas Operator | Apr 2018 |
| 22663 | Perdure Petroleum LLC | Allen, TX 75013 | Oil & Gas Operator | Oct 2021 |
| 22664 | Peregrine Energy, Inc. | Spring, TX 77393 | Oil & Gas Operator | Jul 1999 |
| 22665 | Peregrine Petroleum Corp | Oklahoma City, OK 73116-7639 | Oil & Gas Operator | May 2020 |
| 22666 | Peregrine Petroleum Partners, LTD | | Oil & Gas Operator | Oct 2021 |
| 22667 | Peregrine Petroleum PRTNR, LTD. | Dallas, TX 75201 | Oil & Gas Operator | Apr 2025 |
| 22668 | Perenco LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2005 |
| 22669 | Perera Ray & Den | | Oil Operator | Sep 1994 |
| 22670 | Perez, H. F. | Alice, TX 78332 | Oil & Gas Operator | May 2023 |
| 22671 | Perfection Oil & Gas Co | | Gas Operator | Sep 1937 |
| 22672 | Performance Energy Partners LLC | Barnsdall, OK 74002-0628 | Oil & Gas Operator | Oct 2024 |
| 22673 | Performance Operating Company LLC | Barnsdall, OK 74002 | Oil & Gas Operator | Jan 2025 |
| 22674 | Performance Operating Partners, LLC | Shreveport, LA 71164 | Oil & Gas Operator | Apr 2025 |
| 22675 | Performance Petroleum Company LLC | Barnsdall, OK 74002 | Oil & Gas Operator | Jan 2025 |
| 22676 | Pergerson Energy, L.L.C. | Richmond, VA 23225 | Oil Operator | Apr 2025 |
| 22677 | Perimeter Resource Company | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 22678 | Periscope Operating LLC | McKinney, TX 75069 | Oil & Gas Operator | Jun 2020 |
| 22679 | Perkins & Perkins Oil Co. Inc. | Allegany, NY 14706 | Oil & Gas Operator | Dec 2023 |
| 22680 | Perkins Energy Company | Duncan, OK 73533-3853 | Oil & Gas Operator | Feb 2025 |
| 22681 | Perkins Mike | Velma, OK 73091 | Oil & Gas Operator | Jan 2006 |
| 22682 | Perkins Nova | Atwood, OK 74827-9738 | Oil Operator | Feb 2014 |
| 22683 | Perkins Oil & Gas Inc | Pennsboro, WV 26415-0547 | Oil & Gas Operator | Dec 2021 |
| 22684 | Perkins Oil Comp | | Oil Operator | Nov 1988 |
| 22685 | Perkins Oil Ente | | Oil & Gas Operator | Dec 1995 |
| 22686 | Perkins Oil Enterprises, Inc. | Howard, KS 67349 | Oil & Gas Operator | Dec 2024 |
| 22687 | Perkins Oil Properties | | Oil & Gas Operator | Nov 2024 |
| 22688 | Perkins Production Company Inc | Seminole, OK 74868 | Oil & Gas Operator | May 2006 |
| 22689 | Perkins Production Company LLC | Pennsboro, WV 26415 | Oil & Gas Operator | Dec 2021 |
| 22690 | Perkins, Bobby R | | Oil Operator | Mar 2017 |
| 22691 | Perkins, Don & Assoc, Inc | | Oil Operator | Dec 2011 |
| 22692 | Perkins, Earl | | Oil & Gas Operator | Aug 2013 |
| 22693 | Perkins, Eugene O. | Boerne, TX 78015 | Oil & Gas Operator | Apr 2025 |
| 22694 | Perkins-Prothro Company | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2002 |
| 22695 | Perlman,I.H.Oil & Gas Properties | Houston, TX 77056 | Oil & Gas Operator | Mar 2008 |
| 22696 | Permeator Corp. | | Oil Operator | Sep 1990 |
| 22697 | Permex Petroleum Company, LLC | Dallas, TX 75201 | Oil & Gas Operator | Mar 2024 |
| 22698 | Permex Petroleum Corporation | Graham, TX 76450 | Oil & Gas Operator | Apr 2025 |
| 22699 | Permian Basin Oil Corporation | Odessa, TX 79762 | Oil & Gas Operator | Apr 2025 |
| 22700 | Permian Deep Rock Oil Co., LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |