| 22501 | Pedeco, Inc. | Casper, WY 82601 | Oil & Gas Operator | Mar 2008 |
| 22502 | Peden Energy | Lubbock, TX 79424 | Oil & Gas Operator | Dec 2004 |
| 22503 | Peden Energy, Inc. | Wolfforth, TX 79382 | Oil & Gas Operator | Apr 2025 |
| 22504 | Peden, Marshell | Archer City, TX 76351 | Oil & Gas Operator | Apr 2025 |
| 22505 | Peden, Oren Inc. | Levelland, TX 79336 | Oil & Gas Operator | May 2001 |
| 22506 | Pedernales Petroleum Op, LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2025 |
| 22507 | Pedernales Petroleum Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 22508 | Pedernales Production, LP | Houston, TX 77057 | Oil & Gas Operator | Mar 2022 |
| 22509 | Pedestal Oil Company Inc | Oklahoma City, OK 73101-1522 | Oil & Gas Operator | May 2019 |
| 22510 | Pedgeco Inc | Cleveland, OH 44115 | Oil & Gas Operator | Dec 1984 |
| 22511 | Pedocs Inc | Bixby, OK 74008 | Oil & Gas Operator | Oct 2024 |
| 22512 | Pedry J J | | Oil Operator | Sep 1989 |
| 22513 | Peery, J. W. | Midland, TX 79701 | Oil & Gas Operator | Aug 2007 |
| 22514 | Peewe Oil Co. | | Oil Operator | Dec 2024 |
| 22515 | Pefley Oil & Gas, Inc. | Colden, NY 14033 | Gas Operator | Dec 2023 |
| 22516 | Pegasi Energy Resources Corp | Tyler, TX 75710 | Oil & Gas Operator | Jul 2007 |
| 22517 | Pegasi Operating Inc. | Jefferson, TX 75657 | Oil & Gas Operator | Apr 2025 |
| 22518 | Pegasus Energy | Oklahoma City, OK 73162 | Oil & Gas Operator | Apr 1997 |
| 22519 | Pegasus Energy Corporation | Oklahoma City, OK 73162 | Oil & Gas Operator | Mar 2015 |
| 22520 | Pegasus Operating, Inc. | Coldspring, TX 77331 | Oil & Gas Operator | Apr 2025 |
| 22521 | Pegasus P And A LLC | Kilgore, TX 75663 | Oil Operator | Apr 2025 |
| 22522 | Pegasus Petroleum Corporation | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Apr 2025 |
| 22523 | Pegg Oil LLC | Allen, OK 74825-4900 | Oil Operator | Aug 2022 |
| 22524 | Peggy J & Robert W Bell | Sheffield, PA 16347 | Oil & Gas Operator | Dec 2004 |
| 22525 | Pekrul Jeffrey S | Bristow, OK 74010 | Gas Operator | Jan 2025 |
| 22526 | Pel-Tex - McMoran | | Oil & Gas Operator | Dec 1985 |
| 22527 | Pel-Tex Oil Company, Inc. | | Oil & Gas Operator | Jul 1995 |
| 22528 | Pel-Tex Oil Company, LLC | | Oil & Gas Operator | Nov 2010 |
| 22529 | Pel-Tex, Inc. | | Oil & Gas Operator | Jul 1985 |
| 22530 | Peles, LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2025 |
| 22531 | Pelican Dome Exploration | Harahan, LA 70123 | Oil & Gas Operator | Jun 1997 |
| 22532 | Pelican Dome Exploration Inc. | Harahan, LA 70123 | Oil & Gas Operator | Aug 2000 |
| 22533 | Pelican Gas Prod. Assoc. | | Oil & Gas Operator | Oct 1987 |
| 22534 | Pelican Hill Oil & Gas Inc | Carlsbad, CA 92010 | Oil & Gas Operator | May 2013 |
| 22535 | Pelican Producing Co. | | Gas Operator | Nov 1992 |
| 22536 | Pelican Producing Inc | Caldwell, OH 43724 | Oil & Gas Operator | Dec 1996 |
| 22537 | Pelican Production Company | New Orleans, LA 70130-2477 | Oil & Gas Operator | Mar 2014 |
| 22538 | Pelican Resource | | Oil Operator | Jan 1991 |
| 22539 | Pelico Pipeline, LLC | | Oil Operator | Dec 2024 |
| 22540 | Pelletter, James J & Weist, Richard M | Fredonia, NY 14063 | Gas Operator | Dec 2023 |
| 22541 | Pelto Oil Co | Houston, TX 77002 | Oil & Gas Operator | Nov 1998 |
| 22542 | Pemberton, W. C. Oil Co., Inc. | Cameron, TX 76520 | Oil & Gas Operator | Apr 2025 |
| 22543 | Pembroke Central School District | Corfu, NY 14036 | Gas Operator | Dec 2023 |
| 22544 | Pembrook Oil Company | Big Lake, TX 76932 | Oil & Gas Operator | May 1999 |
| 22545 | Pembrooke Oil & Gas Inc | Franklin, PA 16323-7760 | Oil & Gas Operator | Dec 2024 |
| 22546 | Pemco Gas Inc | Indian Harbor B, FL 32937 | Oil & Gas Operator | Dec 1997 |
| 22547 | Pemco LLC | Skiatook, OK 74070-4018 | Oil Operator | Aug 2024 |
| 22548 | Pemex Inc | Dallas, TX 75367-0249 | Oil & Gas Operator | Nov 2015 |
| 22549 | Pen-Tex Production Co. Inc. | Penwell, TX 79776 | Oil & Gas Operator | Apr 2025 |
| 22550 | Pen-Tex Production Co. L.L.C. | Penwell, TX 79776 | Oil & Gas Operator | Nov 1998 |
| 22551 | Pend Oreille Oil & Gas Company | | Oil & Gas Operator | Sep 1989 |
| 22552 | Pendergraft Oil Co. | Lueders, TX 79533 | Oil & Gas Operator | Jan 1998 |
| 22553 | Pendleton Land & | | Oil Operator | Aug 1985 |
| 22554 | Pendolino Resources, LLC | Dallas, TX 75205 | Gas Operator | Mar 2023 |
| 22555 | Pendragon Energy Partners Inc | Midland, TX 79701 | Oil & Gas Operator | Nov 2009 |
| 22556 | Pendragon Oil Co. | Fort Worth, TX 76116 | Oil & Gas Operator | Apr 2025 |
| 22557 | Pendulum Petrole | | Oil & Gas Operator | Dec 1995 |
| 22558 | Pendulum Petroleum, Inc. | Pinedale, WY 82941 | Oil Operator | Aug 1999 |
| 22559 | Penequine Ranch | | Gas Operator | Sep 2019 |
| 22560 | Penergy | Midland, TX 79710 | Oil & Gas Operator | Apr 2025 |
| 22561 | Pengo Petroleum, Inc. | | Oil & Gas Operator | Dec 2013 |
| 22562 | Pengo Petroleum, Inc. & J.W.S. | | Oil & Gas Operator | Jul 1977 |
| 22563 | Pengo Producing Company | | Oil & Gas Operator | Mar 1987 |
| 22564 | Peninsula Group Inc | Peninsula, OH 44264 | Oil & Gas Operator | Dec 1991 |
| 22565 | Peninsula Open Space Trust | | Oil & Gas Operator | Dec 2008 |
| 22566 | Peninsular Oil & Gas Co | Ada, MI 49301-96-96 | Oil & Gas Operator | Dec 2001 |
| 22567 | Penn Exploration Corp. | | Gas Operator | Feb 1984 |
| 22568 | Penn Homa Oil & Gas Co | Edmond, OK 73083 | Oil & Gas Operator | Oct 2013 |
| 22569 | Penn Inc. | | Oil & Gas Operator | Dec 2004 |
| 22570 | Penn Production Company Inc | | Oil & Gas Operator | Nov 2014 |
| 22571 | Penn Resources, Inc. | Dallas, TX 75219 | Oil & Gas Operator | Sep 1987 |
| 22572 | Penn VIew Exploration Inc | Blairsville, PA 15717-7961 | Oil & Gas Operator | Dec 2024 |
| 22573 | Penn VIrginia MC Operating Co LLC | Houston, TX 77084-7213 | Oil & Gas Operator | Jan 2025 |
| 22574 | Penn VIrginia Oil & Gas Corp | Houston, TX 77024 | Oil & Gas Operator | Dec 2023 |
| 22575 | Penn VIrginia Oil & Gas, L.P. | Houston, TX 77084 | Oil & Gas Operator | Nov 2022 |
| 22576 | Penn, G. R. Production Co. | McPherson, KS 67460 | Gas Operator | Nov 1997 |
| 22577 | Penn-Ohio Investment Corp. | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 2004 |
| 22578 | Pennaco Energy Incorporated | Gillette, WY 82718 | Oil & Gas Operator | Feb 2021 |
| 22579 | Pennant Dev. And Prod., LLC | Midland, TX 79702 | Oil Operator | Apr 2025 |
| 22580 | Pennant Energy LLC | Oklahoma City, OK 73116 | Oil Operator | Dec 2024 |
| 22581 | Pennant Oil & Gas LLC | Oklahma City, OK 73159-6905 | Oil & Gas Operator | Jan 2024 |
| 22582 | Pennant Petroleum Corporation | | Oil Operator | Dec 2002 |
| 22583 | Pennartz Productions, LLC. | Jacksboro, TX 76458 | Oil Operator | Apr 2025 |
| 22584 | Penneco Exploration Company Of Wyo LLC | Delmont, PA 15626 | Oil Operator | Aug 2021 |
| 22585 | Penneco Oil Company, Inc. | Delmont, PA 15626-2408 | Oil & Gas Operator | Dec 2024 |
| 22586 | Pennenergy Resources LLC | Pittsburgh, PA 15275-1063-1063 | Oil & Gas Operator | Jan 2025 |
| 22587 | Penner Energy Inc | Oklahoma City, OK 73120-1930 | Oil & Gas Operator | Feb 2025 |
| 22588 | Pennfield Energy LLC | Erie, PA 16510-4760 | Oil & Gas Operator | Dec 2021 |
| 22589 | Pennhills Resources LLC | MT. Jewett, PA 16740 | Oil & Gas Operator | Jan 2025 |
| 22590 | Pennine Resc Inc | | Oil Operator | Sep 1992 |
| 22591 | Pennington Oil & Gas Int, LLC | | Oil & Gas Operator | Dec 2024 |
| 22592 | Pennington Operating Company, LLC | | Oil & Gas Operator | Jul 2020 |
| 22593 | Pennington Refining LLC | Grand Prairie, TX 75051 | Oil Operator | Apr 2025 |
| 22594 | Pennington, W. L., Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Jul 1996 |
| 22595 | Pennmark Resources Company | Edmond, OK 73013 | Oil & Gas Operator | Jan 2025 |
| 22596 | Penntex Petroleum Corporation | Austin, TX 78731 | Oil & Gas Operator | Apr 2025 |
| 22597 | Penntex Resources, L.P. | State College, PA 16803 | Oil & Gas Operator | Mar 2016 |
| 22598 | Penny, Ralph E. | White Plains, NY 10601 | Oil & Gas Operator | Jul 2023 |
| 22599 | Pennzenergy | Houston, TX 77252 | Oil & Gas Operator | Dec 1986 |
| 22600 | Pennzenergy Exp. & Prod., L.L.C. | Houston, TX 77210 | Oil & Gas Operator | Mar 2000 |