| 22601 | Pennzenergy Explor & Prod LLC | | Oil & Gas Operator | Dec 1999 |
| 22602 | Pennzenergy Exploration & Production LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2009 |
| 22603 | Pennzoil Company | Midland, TX 79710-0090 | Oil & Gas Operator | Mar 2000 |
| 22604 | Pennzoil E & P & M H Marr | | Oil & Gas Operator | Sep 1993 |
| 22605 | Pennzoil E & P Co - Arco | | Oil & Gas Operator | Dec 1993 |
| 22606 | Pennzoil E & P Co - Clark Oil | | Oil & Gas Operator | Apr 1980 |
| 22607 | Pennzoil E & P Co Et Al | | Oil & Gas Operator | Feb 1999 |
| 22608 | Pennzoil E & P Co-Sohio Et Al | | Oil & Gas Operator | Jun 1991 |
| 22609 | Pennzoil E & P Co-Sohio Petr | | Oil & Gas Operator | Feb 1999 |
| 22610 | Pennzoil Expl & Prod Co -TX | | Oil & Gas Operator | May 1993 |
| 22611 | Pennzoil Expl & Prod Co. -MS | | Oil Operator | Jan 1988 |
| 22612 | Pennzoil Explor & Prod Co | Houston, TX 77002 | Oil & Gas Operator | Mar 2000 |
| 22613 | Pennzoil Exploration & Production Co. | Carthage, TX 75633 | Oil & Gas Operator | Mar 2008 |
| 22614 | Pennzoil Petroleum Company | Houston, TX 77252 | Oil & Gas Operator | Nov 1999 |
| 22615 | Pennzoil Prod Co | Vienna, WV 26105-2141 | Oil & Gas Operator | Dec 2000 |
| 22616 | Pennzoil Producing Company | | Oil & Gas Operator | Oct 1992 |
| 22617 | Penroc Oil Corp. | Hobbs, NM 88241 | Oil & Gas Operator | Jan 2025 |
| 22618 | Penrod Oil Company Of Texas, Inc | Milano, TX 76556 | Oil & Gas Operator | Apr 2025 |
| 22619 | Pense Brothers Drilling | | Oil Operator | Dec 1998 |
| 22620 | Pentad Development Corp. (A) | Dallas, TX 75201 | Oil & Gas Operator | Mar 1993 |
| 22621 | Pentagon Petroleum, Inc. | | Oil & Gas Operator | Sep 1991 |
| 22622 | Pentarch Petroleum | | Oil Operator | Dec 2024 |
| 22623 | Pentergy Operating, LLC | New Braunfels, TX 78132 | Oil & Gas Operator | Apr 2025 |
| 22624 | Pentex Energy, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2003 |
| 22625 | Pentex Operating Company | Oklahoma City, OK 73132 | Oil & Gas Operator | Oct 1994 |
| 22626 | Penton And Penton | | Oil & Gas Operator | Jan 1983 |
| 22627 | Pentress Gas LLC | Pentress, WV 26544 | Gas Operator | Dec 2021 |
| 22628 | Penwell Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Apr 2025 |
| 22629 | Penwell South Operating LLC | Houston, TX 77269 | Oil Operator | Apr 2025 |
| 22630 | Peoco LLC | | Gas Operator | Dec 2024 |
| 22631 | Peoples Bank & Trust Company | McPherson, KS 67460 | Oil Operator | Jan 2013 |
| 22632 | Peoples Energy Prod.-TX, L.P. | Houston, TX 77002 | Oil & Gas Operator | Sep 2007 |
| 22633 | Peoples Energy Production-Texas, L.P. | Houston, TX 77010 | Oil & Gas Operator | Oct 2007 |
| 22634 | Peoples Gas Co LLC | Butler, PA 16001-4904 | Oil & Gas Operator | Dec 2005 |
| 22635 | Peoples Ice Inc | | Oil & Gas Operator | Nov 1997 |
| 22636 | Peoples Natural Gas Co LLC | Pittsburgh, PA 15212 | Gas Operator | Dec 2016 |
| 22637 | Peoples Oil, LLC | Ottawa, KS 66067 | Oil Operator | Dec 2024 |
| 22638 | Pep Drilling LLC | MT Vernon, IL 62864 | Oil & Gas Operator | Dec 2022 |
| 22639 | Pepin Oil Co | Stillwater, OK 74076 | Oil & Gas Operator | Oct 2013 |
| 22640 | Pepin Operating Company Inc | Stillwater, OK 74075-9535 | Oil & Gas Operator | May 2009 |
| 22641 | Pepper Development, LLC | Clarksburg, WV 26302 | Oil & Gas Operator | Dec 2021 |
| 22642 | Pepper Oil Co | Newark, OH 43055 | Oil & Gas Operator | Dec 1992 |
| 22643 | Percussion Petroleum Oper II,LLC | Houston, TX 77042 | Oil & Gas Operator | Jul 2023 |
| 22644 | Percussion Petroleum Operating, LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2019 |
| 22645 | Perdido Energy Louisiana, LLC | | Oil & Gas Operator | Dec 2024 |
| 22646 | Perdido Energy, LLC | Houston, TX 77251 | Oil & Gas Operator | Apr 2025 |
| 22647 | Perdue-Davidson Oil Co | | Oil & Gas Operator | Dec 2021 |
| 22648 | Perdura Energy L.L.C. | | Oil & Gas Operator | Apr 2018 |
| 22649 | Perdure Petroleum LLC | Allen, TX 75013 | Oil & Gas Operator | Oct 2021 |
| 22650 | Peregrine Energy, Inc. | Spring, TX 77393 | Oil & Gas Operator | Jul 1999 |
| 22651 | Peregrine Petroleum Corp | Oklahoma City, OK 73116-7639 | Oil & Gas Operator | May 2020 |
| 22652 | Peregrine Petroleum Partners, LTD | | Oil & Gas Operator | Oct 2021 |
| 22653 | Peregrine Petroleum PRTNR, LTD. | Dallas, TX 75201 | Oil & Gas Operator | Apr 2025 |
| 22654 | Perenco LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2005 |
| 22655 | Perera Ray & Den | | Oil Operator | Sep 1994 |
| 22656 | Perez, H. F. | Alice, TX 78332 | Oil & Gas Operator | May 2023 |
| 22657 | Perfection Oil & Gas Co | | Gas Operator | Sep 1937 |
| 22658 | Performance Energy Partners LLC | Barnsdall, OK 74002-0628 | Oil & Gas Operator | Oct 2024 |
| 22659 | Performance Operating Company LLC | Barnsdall, OK 74002 | Oil & Gas Operator | Jan 2025 |
| 22660 | Performance Operating Partners, LLC | Shreveport, LA 71164 | Oil & Gas Operator | Apr 2025 |
| 22661 | Performance Petroleum Company LLC | Barnsdall, OK 74002 | Oil & Gas Operator | Jan 2025 |
| 22662 | Pergerson Energy, L.L.C. | Richmond, VA 23225 | Oil Operator | Apr 2025 |
| 22663 | Perimeter Resource Company | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 22664 | Periscope Operating LLC | McKinney, TX 75069 | Oil & Gas Operator | Jun 2020 |
| 22665 | Perkins & Perkins Oil Co. Inc. | Allegany, NY 14706 | Oil & Gas Operator | Dec 2023 |
| 22666 | Perkins Energy Company | Duncan, OK 73533-3853 | Oil & Gas Operator | Feb 2025 |
| 22667 | Perkins Mike | Velma, OK 73091 | Oil & Gas Operator | Jan 2006 |
| 22668 | Perkins Nova | Atwood, OK 74827-9738 | Oil Operator | Feb 2014 |
| 22669 | Perkins Oil & Gas Inc | Pennsboro, WV 26415-0547 | Oil & Gas Operator | Dec 2021 |
| 22670 | Perkins Oil Comp | | Oil Operator | Nov 1988 |
| 22671 | Perkins Oil Ente | | Oil & Gas Operator | Dec 1995 |
| 22672 | Perkins Oil Enterprises, Inc. | Howard, KS 67349 | Oil & Gas Operator | Dec 2024 |
| 22673 | Perkins Oil Properties | | Oil & Gas Operator | Nov 2024 |
| 22674 | Perkins Production Company Inc | Seminole, OK 74868 | Oil & Gas Operator | May 2006 |
| 22675 | Perkins Production Company LLC | Pennsboro, WV 26415 | Oil & Gas Operator | Dec 2021 |
| 22676 | Perkins, Bobby R | | Oil Operator | Mar 2017 |
| 22677 | Perkins, Don & Assoc, Inc | | Oil Operator | Dec 2011 |
| 22678 | Perkins, Earl | | Oil & Gas Operator | Aug 2013 |
| 22679 | Perkins, Eugene O. | Boerne, TX 78015 | Oil & Gas Operator | Apr 2025 |
| 22680 | Perkins-Prothro Company | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2002 |
| 22681 | Perlman,I.H.Oil & Gas Properties | Houston, TX 77056 | Oil & Gas Operator | Mar 2008 |
| 22682 | Permeator Corp. | | Oil Operator | Sep 1990 |
| 22683 | Permex Petroleum Company, LLC | Dallas, TX 75201 | Oil & Gas Operator | Mar 2024 |
| 22684 | Permex Petroleum Corporation | Graham, TX 76450 | Oil & Gas Operator | Apr 2025 |
| 22685 | Permian Basin Oil Corporation | Odessa, TX 79762 | Oil & Gas Operator | Apr 2025 |
| 22686 | Permian Deep Rock Oil Co., LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 22687 | Permian Development, Inc. | Midland, TX 79701 | Oil & Gas Operator | Mar 2008 |
| 22688 | Permian Legend LLC | San Marcos, TX 78666 | Oil Operator | Apr 2025 |
| 22689 | Permian Natural Resources | Austin, TX 78701 | Oil & Gas Operator | Apr 2025 |
| 22690 | Permian Pacific Resources, Inc. | Dallas, TX 75230 | Oil & Gas Operator | Aug 2003 |
| 22691 | Permian Reef, LLC | Greenwood, IN 46143 | Gas Operator | Mar 2011 |
| 22692 | Permian Resources Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 22693 | Permian Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 22694 | Permian Resources, LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2018 |
| 22695 | Permian Roustabout & Oilfield Services LLC | Blanchard, OK 73010 | Oil & Gas Operator | Feb 2024 |
| 22696 | Permian Services Co., LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2013 |
| 22697 | Permian Solutions LLC | Midland, TX 79702 | Oil Operator | Apr 2025 |
| 22698 | Permian Surveys | Midland, TX 79707 | Oil & Gas Operator | Oct 1999 |
| 22699 | Permian West Corp. | Odessa, TX 79762 | Oil & Gas Operator | Apr 2025 |
| 22700 | Permico Corporation | Stafford, TX 77477 | Oil & Gas Operator | Nov 2003 |