| 21601 | Pearson, Lee Roy III | Eastland, TX 76448 | Oil & Gas Operator | Jun 2026 |
| 21602 | Pearson, Lee Roy, Jr. | Eastland, TX 76448 | Oil & Gas Operator | Nov 1997 |
| 21603 | Pease George W Jr | Fairfax, OK 74637 | Oil & Gas Operator | Mar 1998 |
| 21604 | Pease Oil & Gas Company | Grand Junction, CO 81506 | Oil & Gas Operator | May 2000 |
| 21605 | Pease, Willard H | Grand Junction, CO 81502 | Gas Operator | May 1995 |
| 21606 | Peba Oil & Gas Co. | Wichita Falls, TX 76302 | Oil & Gas Operator | Jun 2015 |
| 21607 | Peba Oil & Gas, Inc. | Nocona, TX 76255 | Oil & Gas Operator | Jun 2026 |
| 21608 | Pecanosa Oil & Cattle Co. | New Braunfels, TX 78132 | Gas Operator | May 2013 |
| 21609 | Peccary Corporation | Lubbock, TX 79453 | Oil & Gas Operator | Aug 2003 |
| 21610 | Pech Oil Co., No. 2 | Midland, TX 79702 | Oil & Gas Operator | Apr 2013 |
| 21611 | Pech Oil Company | Midland, TX 79702 | Oil & Gas Operator | Apr 2013 |
| 21612 | Peckenpaugh Farms | Farnsworth, TX 79033 | Oil & Gas Operator | Jun 2026 |
| 21613 | Peco Foods, Inc. | | Oil & Gas Operator | Feb 2026 |
| 21614 | Pecora Enterprises | Bradford, PA 16701-1026 | Oil & Gas Operator | Dec 1999 |
| 21615 | Pecos Country Operating Inc. | N Richlnd HLS, TX 76182 | Oil Operator | Jun 2026 |
| 21616 | Pecos Crude LLC | Sugar Land, TX 77479 | Oil Operator | Jun 2026 |
| 21617 | Pecos Development Corporation | San Antonio, TX 78209 | Oil Operator | Aug 1988 |
| 21618 | Pecos Operating Company, LLC | Midland, TX 79701 | Oil & Gas Operator | Jun 2021 |
| 21619 | Pecos Operators, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 1993 |
| 21620 | Pecos Petroleum Company | Houston, TX 77057 | Oil & Gas Operator | Oct 1999 |
| 21621 | Pecos Production Company | Oklahoma City, OK 73154 | Oil & Gas Operator | Apr 2005 |
| 21622 | Pecos River Exploration, LLC | Allen, TX 75013 | Oil & Gas Operator | Jun 2025 |
| 21623 | Pecos River Op Inc | Roswell, NM 88202 | Oil & Gas Operator | Dec 2020 |
| 21624 | Pecos Valley Management Co. | Dallas, TX 75206 | Oil & Gas Operator | Aug 2008 |
| 21625 | Pecos Valley Operating Inc. | N Richlnd HLS, TX 76182 | Oil & Gas Operator | Jun 2026 |
| 21626 | Pecos Western Corporation | | Gas Operator | Feb 1992 |
| 21627 | Ped Oil Corporation | Midland, TX 79702 | Oil & Gas Operator | Jun 2026 |
| 21628 | Pedco Inc | | Oil & Gas Operator | Nov 1997 |
| 21629 | Pedco Resources Company | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2008 |
| 21630 | Pedeco, Inc. | Casper, WY 82601 | Oil & Gas Operator | Mar 2008 |
| 21631 | Peden Energy | Lubbock, TX 79424 | Oil & Gas Operator | Dec 2004 |
| 21632 | Peden Energy, Inc. | Wolfforth, TX 79382 | Oil & Gas Operator | Jun 2026 |
| 21633 | Peden, Marshell | Archer City, TX 76351 | Oil & Gas Operator | Jun 2026 |
| 21634 | Peden, Oren Inc. | Levelland, TX 79336 | Oil & Gas Operator | May 2001 |
| 21635 | Pedernales Petroleum Op, LLC | Houston, TX 77002 | Oil & Gas Operator | Jun 2026 |
| 21636 | Pedernales Petroleum Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 21637 | Pedernales Production, LP | Houston, TX 77057 | Oil & Gas Operator | Mar 2022 |
| 21638 | Pedestal Oil Company Inc | Oklahoma City, OK 73101-1522 | Oil & Gas Operator | May 2019 |
| 21639 | Pedgeco Inc | Cleveland, OH 44115 | Oil & Gas Operator | Dec 1984 |
| 21640 | Pedocs Inc | Bixby, OK 74008 | Oil & Gas Operator | Nov 2025 |
| 21641 | Pedry J J | | Oil Operator | Sep 1989 |
| 21642 | Peery, J. W. | Midland, TX 79701 | Oil & Gas Operator | Aug 2007 |
| 21643 | Peewe Oil Co. | | Oil Operator | Feb 2026 |
| 21644 | Pefley Oil & Gas, Inc. | Colden, NY 14033 | Gas Operator | Dec 2024 |
| 21645 | Pegasi Energy Resources Corp | Tyler, TX 75710 | Oil & Gas Operator | Jul 2007 |
| 21646 | Pegasi Operating Inc. | Jefferson, TX 75657 | Oil & Gas Operator | Jun 2026 |
| 21647 | Pegasus Energy | Oklahoma City, OK 73162 | Oil & Gas Operator | Apr 1997 |
| 21648 | Pegasus Energy Corporation | Oklahoma City, OK 73162 | Oil & Gas Operator | Mar 2015 |
| 21649 | Pegasus Operating, Inc. | Coldspring, TX 77331 | Oil & Gas Operator | Dec 2025 |
| 21650 | Pegasus P And A LLC | Kilgore, TX 75663 | Oil Operator | Jun 2026 |
| 21651 | Pegasus Petroleum Corporation | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Jun 2026 |
| 21652 | Pegg Oil LLC | Allen, OK 74825-4900 | Oil Operator | Aug 2022 |
| 21653 | Peggy J Bell | Sheffield, PA 16347-0776 | Oil & Gas Operator | Dec 2004 |
| 21654 | Pel-Tex - McMoran | | Oil & Gas Operator | Dec 1985 |
| 21655 | Pel-Tex Oil Company, Inc. | | Oil & Gas Operator | Jul 1995 |
| 21656 | Pel-Tex Oil Company, LLC | | Oil & Gas Operator | Nov 2010 |
| 21657 | Pel-Tex, Inc. | | Oil & Gas Operator | Jul 1985 |
| 21658 | Peles, LLC | Houston, TX 77057 | Oil & Gas Operator | Jun 2026 |
| 21659 | Pelican Dome Exploration | Harahan, LA 70123 | Oil & Gas Operator | Jun 1997 |
| 21660 | Pelican Dome Exploration Inc. | Harahan, LA 70123 | Oil & Gas Operator | Aug 2000 |
| 21661 | Pelican Gas Prod. Assoc. | | Oil & Gas Operator | Oct 1987 |
| 21662 | Pelican Hill Oil & Gas, Inc. | Carlsbad, CA 92010 | Oil & Gas Operator | May 2013 |
| 21663 | Pelican Producing Co. | | Gas Operator | Nov 1992 |
| 21664 | Pelican Producing Inc | Caldwell, OH 43724 | Oil & Gas Operator | Dec 1996 |
| 21665 | Pelican Production Company | New Orleans, LA 70130-2477 | Oil & Gas Operator | Mar 2014 |
| 21666 | Pelican Resource | | Oil Operator | Jan 1991 |
| 21667 | Pelico Pipeline, LLC | | Oil Operator | Dec 2024 |
| 21668 | Pelletter, James J & Weist, Richard M | Fredonia, NY 14063 | Gas Operator | Dec 2024 |
| 21669 | Pelto Oil Company | Houston, TX 77002 | Oil & Gas Operator | Nov 1998 |
| 21670 | Pemberton, W. C. Oil Co., Inc. | Cameron, TX 76520 | Oil & Gas Operator | Jun 2026 |
| 21671 | Pembroke Central School District | Corfu, NY 14036 | Gas Operator | Dec 2024 |
| 21672 | Pembrook Oil Company | Big Lake, TX 76932 | Oil & Gas Operator | May 1999 |
| 21673 | Pembrooke Oil & Gas Inc | Franklin, PA 16323-7760 | Oil & Gas Operator | Dec 2025 |
| 21674 | Pemco Gas Inc | Indian Harbor B, FL 32937 | Oil & Gas Operator | Dec 1997 |
| 21675 | Pemco LLC | Skiatook, OK 74070 | Oil Operator | Mar 2026 |
| 21676 | Pemex Inc | Dallas, TX 75367-0249 | Oil & Gas Operator | Nov 2015 |
| 21677 | Pen-Tex Production Co. Inc. | Penwell, TX 79776 | Oil & Gas Operator | Jun 2026 |
| 21678 | Pen-Tex Production Co. L.L.C. | Penwell, TX 79776 | Oil & Gas Operator | Nov 1998 |
| 21679 | Pend Oreille Oil & Gas Company | | Oil & Gas Operator | Sep 1989 |
| 21680 | Pendergraft Oil Co. | Lueders, TX 79533 | Oil & Gas Operator | Jan 1998 |
| 21681 | Pendleton Land & | | Oil Operator | Aug 1985 |
| 21682 | Pendolino Resources, LLC | Dallas, TX 75209 | Gas Operator | Mar 2023 |
| 21683 | Pendragon Energy Partners Inc | Midland, TX 79701 | Oil & Gas Operator | Nov 2009 |
| 21684 | Pendragon Oil Co. | Fort Worth, TX 76116 | Oil & Gas Operator | Jun 2026 |
| 21685 | Pendulum Petrole | | Oil & Gas Operator | Dec 1995 |
| 21686 | Pendulum Petroleum, Inc. | Pinedale, WY 82941 | Oil Operator | Aug 1999 |
| 21687 | Penequine Ranch | | Gas Operator | Sep 2019 |
| 21688 | Penergy | Midland, TX 79710 | Oil & Gas Operator | Jun 2026 |
| 21689 | Pengo Petroleum Inc | | Oil & Gas Operator | Dec 2013 |
| 21690 | Pengo Petroleum, Inc. & J.W.S. | | Oil & Gas Operator | Jul 1977 |
| 21691 | Pengo Producing Company | | Oil & Gas Operator | Mar 1987 |
| 21692 | Peninsula Group Inc | Peninsula, OH 44264 | Oil & Gas Operator | Dec 1991 |
| 21693 | Peninsula Open Space Trust | | Oil & Gas Operator | Dec 2008 |
| 21694 | Peninsular Oil & Gas Co | Ada, MI 49301 | Oil & Gas Operator | Dec 2001 |
| 21695 | Penn Homa Oil & Gas Co | Edmond, OK 73083 | Oil & Gas Operator | Oct 2013 |
| 21696 | Penn Inc. | | Oil & Gas Operator | Dec 2004 |
| 21697 | Penn Production Company Inc | | Oil & Gas Operator | Nov 2014 |
| 21698 | Penn Resources, Inc. | Dallas, TX 75219 | Oil & Gas Operator | Sep 1987 |
| 21699 | Penn VIew Exploration Inc | Blairsville, PA 15717-7961 | Oil & Gas Operator | Mar 2026 |
| 21700 | Penn VIrginia MC Operating Co LLC | Houston, TX 77084-7213 | Oil & Gas Operator | Sep 2025 |