| 21701 | Peabody Natural Gas LLC | Gillette, WY 82718 | Oil & Gas Operator | Apr 2026 |
| 21702 | Peach Creek Operating Co, LLC | Houston, TX 77219 | Oil & Gas Operator | Jul 2026 |
| 21703 | Peachridge Energy Operating LLC | Oklahoma City, OK 73159 | Oil & Gas Operator | May 2026 |
| 21704 | Peachtree Production Co. | | Oil & Gas Operator | Mar 1981 |
| 21705 | Peacock, Scott | Edmonton, KY 42129 | Oil Operator | Dec 2023 |
| 21706 | Peak Energy Co Inc | | Oil & Gas Operator | Mar 1985 |
| 21707 | Peak Energy Corporation | Plano, TX 75093 | Oil & Gas Operator | Oct 2018 |
| 21708 | Peak Energy LLC | Coffeyville, KS 67337 | Oil & Gas Operator | Dec 2025 |
| 21709 | Peak Energy Operating #2, LLC | Durango, CO 81301 | Oil & Gas Operator | Jun 2006 |
| 21710 | Peak Flow Operating&Drilling LP | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2011 |
| 21711 | Peak Natural Gas Co., LLC | Dallas, TX 75225 | Oil & Gas Operator | Sep 2010 |
| 21712 | Peak Nebraska Acquisitions, LLC | | Oil Operator | Dec 2010 |
| 21713 | Peak Oil Company LLC | Branson West, MO 65737 | Oil Operator | Dec 2009 |
| 21714 | Peak Operating Co. | | Oil & Gas Operator | Jul 2024 |
| 21715 | Peak Operating LLC | Oklahoma City, OK 73157 | Oil & Gas Operator | Mar 2026 |
| 21716 | Peak Operating Of Texas, LLC | Denver, CO 80202 | Oil & Gas Operator | May 2005 |
| 21717 | Peak Operating Oil & Gas LLC | Wichita, KS 67226 | Oil & Gas Operator | Apr 2026 |
| 21718 | Peak Operator LLC | | Oil & Gas Operator | Dec 2025 |
| 21719 | Peak Pipeline Company | Plano, TX 75093 | Oil & Gas Operator | Oct 2007 |
| 21720 | Peak Powder River Resources LLC | Durango, CO 81301 | Oil & Gas Operator | May 2026 |
| 21721 | Peak Texas Resources, LLC | Durango, CO 81301 | Oil & Gas Operator | Mar 2017 |
| 21722 | Peake Operating Company | | Oil & Gas Operator | Dec 1999 |
| 21723 | Peakview Oil Company LLC | Denver, CO 80202 | Gas Operator | May 2026 |
| 21724 | Peakview Operating Company, LLC | | Oil & Gas Operator | May 2026 |
| 21725 | Pearce Leonard | Manderson, WY 82432 | Oil Operator | Dec 1999 |
| 21726 | Pearce Mary | | Oil Operator | Dec 1999 |
| 21727 | Pearce Oil Company | Manderson, WY 82432 | Oil Operator | Jun 1999 |
| 21728 | Pearce Trust And Blair | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 21729 | Pearce, Roy F., Jr. | Midland, TX 79702 | Oil & Gas Operator | Jul 2026 |
| 21730 | Pearl Energy, L.L.C. | Austin, TX 78746 | Oil & Gas Operator | Apr 2002 |
| 21731 | Pearl Oil Company | Nichols Hills, OK 73120-1408 | Oil & Gas Operator | Nov 2023 |
| 21732 | Pearl Petroleum Inc | Lawton, OK 73501-5821 | Oil & Gas Operator | Jan 2014 |
| 21733 | Pearl Resources Inc. | | Oil & Gas Operator | Jul 1990 |
| 21734 | Pearl Resources Operating Co.LLC | Houston, TX 77024 | Oil & Gas Operator | Jul 2026 |
| 21735 | Pearl, Bill H. Productions, Inc. | Corpus Chrsti, TX 78460 | Oil & Gas Operator | Jul 2026 |
| 21736 | Pearsall Partners | Dallas, TX 75201 | Oil & Gas Operator | Mar 1993 |
| 21737 | Pearson, A. K. | Amarillo, TX 79114 | Oil & Gas Operator | Aug 2023 |
| 21738 | Pearson, Lee Roy III | Eastland, TX 76448 | Oil & Gas Operator | Jul 2026 |
| 21739 | Pearson, Lee Roy, Jr. | Eastland, TX 76448 | Oil & Gas Operator | Nov 1997 |
| 21740 | Pease George W Jr | Fairfax, OK 74637 | Oil & Gas Operator | Mar 1998 |
| 21741 | Pease Oil & Gas Company | Grand Junction, CO 81506 | Oil & Gas Operator | May 2000 |
| 21742 | Pease, Willard H | Grand Junction, CO 81502 | Gas Operator | May 1995 |
| 21743 | Peba Oil & Gas Co. | Wichita Falls, TX 76302 | Oil & Gas Operator | Jun 2015 |
| 21744 | Peba Oil & Gas, Inc. | Nocona, TX 76255 | Oil & Gas Operator | Jul 2026 |
| 21745 | Pecanosa Oil & Cattle Co. | New Braunfels, TX 78132 | Gas Operator | May 2013 |
| 21746 | Peccary Corporation | Lubbock, TX 79453 | Oil & Gas Operator | Aug 2003 |
| 21747 | Pech Oil Co., No. 2 | Midland, TX 79702 | Oil & Gas Operator | Apr 2013 |
| 21748 | Pech Oil Company | Midland, TX 79702 | Oil & Gas Operator | Apr 2013 |
| 21749 | Peckenpaugh Farms | Farnsworth, TX 79033 | Oil & Gas Operator | Jul 2026 |
| 21750 | Peco Foods, Inc. | | Oil & Gas Operator | Apr 2026 |
| 21751 | Pecora Enterprises | Bradford, PA 16701-1026 | Oil & Gas Operator | Dec 1999 |
| 21752 | Pecos Country Operating Inc. | N Richlnd HLS, TX 76182 | Oil Operator | Jul 2026 |
| 21753 | Pecos Crude LLC | Sugar Land, TX 77479 | Oil Operator | Jul 2026 |
| 21754 | Pecos Development Corporation | San Antonio, TX 78209 | Oil Operator | Aug 1988 |
| 21755 | Pecos Operating Company, LLC | Midland, TX 79701 | Oil & Gas Operator | Jun 2021 |
| 21756 | Pecos Operators, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 1993 |
| 21757 | Pecos Petroleum Company | Houston, TX 77057 | Oil & Gas Operator | Oct 1999 |
| 21758 | Pecos Production Company | Oklahoma City, OK 73154 | Oil & Gas Operator | Apr 2005 |
| 21759 | Pecos River Exploration, LLC | Allen, TX 75013 | Oil & Gas Operator | Jun 2025 |
| 21760 | Pecos River Op Inc | Roswell, NM 88202 | Oil & Gas Operator | Dec 2020 |
| 21761 | Pecos Valley Management Co. | Dallas, TX 75206 | Oil & Gas Operator | Aug 2008 |
| 21762 | Pecos Valley Operating Inc. | N Richlnd HLS, TX 76182 | Oil & Gas Operator | Jul 2026 |
| 21763 | Pecos Western Corporation | | Gas Operator | Feb 1992 |
| 21764 | Ped Oil Corporation | Midland, TX 79702 | Oil & Gas Operator | Jul 2026 |
| 21765 | Pedco Inc | | Oil & Gas Operator | Nov 1997 |
| 21766 | Pedco Resources Company | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2008 |
| 21767 | Pedeco, Inc. | Casper, WY 82601 | Oil & Gas Operator | Mar 2008 |
| 21768 | Peden Energy | Lubbock, TX 79424 | Oil & Gas Operator | Dec 2004 |
| 21769 | Peden Energy, Inc. | Wolfforth, TX 79382 | Oil & Gas Operator | Jul 2026 |
| 21770 | Peden, Marshell | Archer City, TX 76351 | Oil & Gas Operator | Jul 2026 |
| 21771 | Peden, Oren Inc. | Levelland, TX 79336 | Oil & Gas Operator | May 2001 |
| 21772 | Pedernales Petroleum Op, LLC | Houston, TX 77002 | Oil & Gas Operator | Jul 2026 |
| 21773 | Pedernales Petroleum Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 21774 | Pedernales Production, LP | Houston, TX 77057 | Oil & Gas Operator | Mar 2022 |
| 21775 | Pedestal Oil Company Inc | Oklahoma City, OK 73101-1522 | Oil & Gas Operator | May 2019 |
| 21776 | Pedgeco Inc | Cleveland, OH 44115 | Oil & Gas Operator | Dec 1984 |
| 21777 | Pedocs Inc | Bixby, OK 74008 | Oil & Gas Operator | Mar 2026 |
| 21778 | Pedry J J | | Oil Operator | Sep 1989 |
| 21779 | Peery, J. W. | Midland, TX 79701 | Oil & Gas Operator | Aug 2007 |
| 21780 | Peewe Oil Co. | | Oil Operator | Mar 2026 |
| 21781 | Pefley Oil & Gas, Inc. | Colden, NY 14033 | Gas Operator | Dec 2025 |
| 21782 | Pegasi Energy Resources Corp | Tyler, TX 75710 | Oil & Gas Operator | Jul 2007 |
| 21783 | Pegasi Operating Inc. | Jefferson, TX 75657 | Oil & Gas Operator | Jul 2026 |
| 21784 | Pegasus Energy | Oklahoma City, OK 73162 | Oil & Gas Operator | Apr 1997 |
| 21785 | Pegasus Energy Corporation | Oklahoma City, OK 73162 | Oil & Gas Operator | Mar 2015 |
| 21786 | Pegasus Operating, Inc. | Coldspring, TX 77331 | Oil & Gas Operator | Dec 2025 |
| 21787 | Pegasus P And A LLC | Kilgore, TX 75663 | Oil Operator | Jul 2026 |
| 21788 | Pegasus Petroleum Corporation | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Jul 2026 |
| 21789 | Pegg Oil LLC | Allen, OK 74825-4900 | Oil Operator | Aug 2022 |
| 21790 | Peggy J Bell | Sheffield, PA 16347-0776 | Oil & Gas Operator | Dec 2004 |
| 21791 | Pel-Tex - McMoran | | Oil & Gas Operator | Dec 1985 |
| 21792 | Pel-Tex Oil Company, Inc. | | Oil & Gas Operator | Jul 1995 |
| 21793 | Pel-Tex Oil Company, LLC | | Oil & Gas Operator | Nov 2010 |
| 21794 | Pel-Tex, Inc. | | Oil & Gas Operator | Jul 1985 |
| 21795 | Peles, LLC | Houston, TX 77057 | Oil & Gas Operator | Jul 2026 |
| 21796 | Pelican Dome Exploration | Harahan, LA 70123 | Oil & Gas Operator | Jun 1997 |
| 21797 | Pelican Dome Exploration Inc | Harahan, LA 70123 | Oil & Gas Operator | Aug 2000 |
| 21798 | Pelican Gas Prod. Assoc. | | Oil & Gas Operator | Oct 1987 |
| 21799 | Pelican Hill Oil & Gas, Inc. | Carlsbad, CA 92010 | Oil & Gas Operator | May 2013 |
| 21800 | Pelican Producing Co. | | Gas Operator | Nov 1992 |