| 22101 | Pedeco, Inc. | Casper, WY 82601 | Oil & Gas Operator | Mar 2008 |
| 22102 | Peden Energy | Lubbock, TX 79424 | Oil & Gas Operator | Dec 2004 |
| 22103 | Peden Energy, Inc. | Wolfforth, TX 79382 | Oil & Gas Operator | Oct 2025 |
| 22104 | Peden, Marshell | Archer City, TX 76351 | Oil & Gas Operator | Oct 2025 |
| 22105 | Peden, Oren Inc. | Levelland, TX 79336 | Oil & Gas Operator | May 2001 |
| 22106 | Pedernales Petroleum Op, LLC | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 22107 | Pedernales Petroleum Operating, LLC | | Oil & Gas Operator | Dec 2024 |
| 22108 | Pedernales Production, LP | Houston, TX 77057 | Oil & Gas Operator | Mar 2022 |
| 22109 | Pedestal Oil Company Inc | Oklahoma City, OK 73101-1522 | Oil & Gas Operator | May 2019 |
| 22110 | Pedgeco Inc | Cleveland, OH 44115 | Oil & Gas Operator | Dec 1984 |
| 22111 | Pedocs Inc | Bixby, OK 74008 | Oil & Gas Operator | Jun 2025 |
| 22112 | Peery, J. W. | Midland, TX 79701 | Oil & Gas Operator | Aug 2007 |
| 22113 | Peewe Oil Co. | | Oil Operator | Jun 2025 |
| 22114 | Pefley Oil & Gas, Inc. | Colden, NY 14033 | Gas Operator | Dec 2024 |
| 22115 | Pegasi Energy Resources Corp | Tyler, TX 75710 | Oil & Gas Operator | Jul 2007 |
| 22116 | Pegasi Operating Inc. | Jefferson, TX 75657 | Oil & Gas Operator | Oct 2025 |
| 22117 | Pegasus Energy | Oklahoma City, OK 73162 | Oil & Gas Operator | Apr 1997 |
| 22118 | Pegasus Energy Corporation | Oklahoma City, OK 73162 | Oil & Gas Operator | Mar 2015 |
| 22119 | Pegasus Operating, Inc. | Coldspring, TX 77331 | Oil & Gas Operator | Oct 2025 |
| 22120 | Pegasus P And A LLC | Kilgore, TX 75663 | Oil Operator | Oct 2025 |
| 22121 | Pegasus Petroleum Corporation | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Oct 2025 |
| 22122 | Pegg Oil LLC | Allen, OK 74825-4900 | Oil Operator | Aug 2022 |
| 22123 | Peggy J & Robert W Bell | Sheffield, PA 16347 | Oil & Gas Operator | Dec 2004 |
| 22124 | Pekrul Jeffrey S | Bristow, OK 74010 | Gas Operator | Jun 2025 |
| 22125 | Pel-Tex - McMoran | | Oil & Gas Operator | Dec 1985 |
| 22126 | Pel-Tex Oil Company, Inc. | | Oil & Gas Operator | Jul 1995 |
| 22127 | Pel-Tex Oil Company, LLC | | Oil & Gas Operator | Nov 2010 |
| 22128 | Pel-Tex, Inc. | | Oil & Gas Operator | Jul 1985 |
| 22129 | Peles, LLC | Houston, TX 77057 | Oil & Gas Operator | Oct 2025 |
| 22130 | Pelican Dome Exploration Inc | Harahan, LA 70123 | Oil & Gas Operator | Aug 2000 |
| 22131 | Pelican Gas Prod. Assoc. | | Oil & Gas Operator | Oct 1987 |
| 22132 | Pelican Hill Oil & Gas Inc | Carlsbad, CA 92010 | Oil & Gas Operator | May 2013 |
| 22133 | Pelican Producing Co. | | Gas Operator | Nov 1992 |
| 22134 | Pelican Producing Inc | Caldwell, OH 43724 | Oil & Gas Operator | Dec 1996 |
| 22135 | Pelican Production Company | New Orleans, LA 70130-2477 | Oil & Gas Operator | Mar 2014 |
| 22136 | Pelican Resource | | Oil Operator | Jan 1991 |
| 22137 | Pelico Pipeline, LLC | | Oil Operator | Dec 2024 |
| 22138 | Pelletter, James J & Weist, Richard M | Fredonia, NY 14063 | Gas Operator | Dec 2024 |
| 22139 | Pelto Oil Co | Houston, TX 77002 | Oil & Gas Operator | Nov 1998 |
| 22140 | Pemberton, W. C. Oil Co., Inc. | Cameron, TX 76520 | Oil & Gas Operator | Oct 2025 |
| 22141 | Pembroke Central School District | Corfu, NY 14036 | Gas Operator | Dec 2024 |
| 22142 | Pembrook Oil Company | Big Lake, TX 76932 | Oil & Gas Operator | May 1999 |
| 22143 | Pembrooke Oil & Gas Inc | Franklin, PA 16323-7760 | Oil & Gas Operator | Dec 2024 |
| 22144 | Pemco Gas Inc | Indian Harbor B, FL 32937 | Oil & Gas Operator | Dec 1997 |
| 22145 | Pemco LLC | Skiatook, OK 74070 | Oil Operator | Jun 2025 |
| 22146 | Pemex Inc | Dallas, TX 75367-0249 | Oil & Gas Operator | Nov 2015 |
| 22147 | Pen-Tex Production Co. Inc. | Penwell, TX 79776 | Oil & Gas Operator | Oct 2025 |
| 22148 | Pen-Tex Production Co. L.L.C. | Penwell, TX 79776 | Oil & Gas Operator | Nov 1998 |
| 22149 | Pena Bros. Oil And Gas, LLC | Odessa, TX 79764 | Oil Operator | Oct 2025 |
| 22150 | Pend Oreille Oil & Gas Company | | Oil & Gas Operator | Sep 1989 |
| 22151 | Pendergraft Oil Co. | Lueders, TX 79533 | Oil & Gas Operator | Jan 1998 |
| 22152 | Pendleton Land & | | Oil Operator | Aug 1985 |
| 22153 | Pendolino Resources, LLC | Dallas, TX 75205 | Gas Operator | Mar 2023 |
| 22154 | Pendragon Energy Partners Inc | Midland, TX 79701 | Oil & Gas Operator | Nov 2009 |
| 22155 | Pendragon Oil Co. | Fort Worth, TX 76116 | Oil & Gas Operator | Oct 2025 |
| 22156 | Pendulum Petrole | | Oil & Gas Operator | Dec 1995 |
| 22157 | Pendulum Petroleum, Inc. | Pinedale, WY 82941 | Oil Operator | Aug 1999 |
| 22158 | Penequine Ranch | | Gas Operator | Sep 2019 |
| 22159 | Penergy | Midland, TX 79710 | Oil & Gas Operator | Oct 2025 |
| 22160 | Pengo Petroleum, Inc. | | Oil & Gas Operator | Dec 2013 |
| 22161 | Pengo Petroleum, Inc. & J.W.S. | | Oil & Gas Operator | Jul 1977 |
| 22162 | Pengo Producing Company | | Oil & Gas Operator | Mar 1987 |
| 22163 | Peninsula Group Inc | Peninsula, OH 44264 | Oil & Gas Operator | Dec 1991 |
| 22164 | Peninsula Open Space Trust | | Oil & Gas Operator | Dec 2008 |
| 22165 | Peninsular Oil & Gas Co | Ada, MI 49301 | Oil & Gas Operator | Dec 2001 |
| 22166 | Penn Homa Oil & Gas Co | Edmond, OK 73083 | Oil & Gas Operator | Oct 2013 |
| 22167 | Penn Inc. | | Oil & Gas Operator | Dec 2004 |
| 22168 | Penn Production Company Inc | | Oil & Gas Operator | Nov 2014 |
| 22169 | Penn Resources, Inc. | Dallas, TX 75219 | Oil & Gas Operator | Sep 1987 |
| 22170 | Penn VIew Exploration Inc | Blairsville, PA 15717-7961 | Oil & Gas Operator | Dec 2024 |
| 22171 | Penn VIrginia MC Operating Co LLC | Houston, TX 77084-7213 | Oil & Gas Operator | Jan 2025 |
| 22172 | Penn VIrginia Oil & Gas Corp | Houston, TX 77024 | Oil & Gas Operator | Dec 2023 |
| 22173 | Penn VIrginia Oil & Gas, L.P. | Houston, TX 77084 | Oil & Gas Operator | Nov 2022 |
| 22174 | Penn, G. R. Production Co. | McPherson, KS 67460 | Gas Operator | Nov 1997 |
| 22175 | Penn-Ohio Investment Corp. | New Philadelphi, OH 44663 | Oil & Gas Operator | Dec 2004 |
| 22176 | Pennant Dev. And Prod., LLC | Midland, TX 79702 | Oil Operator | Oct 2025 |
| 22177 | Pennant Energy LLC | Oklahoma City, OK 73116 | Oil Operator | Dec 2024 |
| 22178 | Pennant Oil & Gas LLC | Oklahma City, OK 73159-6905 | Oil & Gas Operator | Jan 2024 |
| 22179 | Pennant Petroleum Corporation | | Oil Operator | Dec 2002 |
| 22180 | Pennartz Productions, LLC. | Jacksboro, TX 76458 | Oil Operator | Oct 2025 |
| 22181 | Penneco Oil Company, Inc. | Delmont, PA 15626-2408 | Oil & Gas Operator | Dec 2024 |
| 22182 | Pennenergy Resources LLC | Pittsburgh, PA 15275-1063 | Oil & Gas Operator | Jul 2025 |
| 22183 | Penner Energy Inc | Oklahoma City, OK 73120-1930 | Oil & Gas Operator | Jul 2025 |
| 22184 | Pennfield Energy LLC | Erie, PA 16510-4760 | Oil & Gas Operator | Dec 2021 |
| 22185 | Pennhills Resources LLC | MT. Jewett, PA 16740 | Oil & Gas Operator | Jul 2025 |
| 22186 | Pennine Resc Inc | | Oil Operator | Sep 1992 |
| 22187 | Pennington Oil & Gas Int, LLC | | Oil & Gas Operator | Dec 2024 |
| 22188 | Pennington Operating Company, LLC | | Oil & Gas Operator | Jul 2020 |
| 22189 | Pennington, W. L., Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Jul 1996 |
| 22190 | Pennmark Resources Company | Edmond, OK 73013 | Oil & Gas Operator | Jun 2025 |
| 22191 | Penntex Petroleum Corporation | Austin, TX 78731 | Oil & Gas Operator | Oct 2025 |
| 22192 | Penntex Resources, L.P. | State College, PA 16803 | Oil & Gas Operator | Mar 2016 |
| 22193 | Penny, Ralph E. | White Plains, NY 10601 | Oil & Gas Operator | Jul 2023 |
| 22194 | Pennzenergy | Houston, TX 77252 | Oil & Gas Operator | Dec 1986 |
| 22195 | Pennzenergy Exp. & Prod., L.L.C. | Houston, TX 77210 | Oil & Gas Operator | Mar 2000 |
| 22196 | Pennzenergy Explor & Prod LLC | | Oil & Gas Operator | Dec 1999 |
| 22197 | Pennzenergy Exploration & Production LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2009 |
| 22198 | Pennzoil Company | Midland, TX 79710-0090 | Oil & Gas Operator | Mar 2000 |
| 22199 | Pennzoil E & P & M H Marr | | Oil & Gas Operator | Sep 1993 |
| 22200 | Pennzoil E & P Co - Arco | | Oil & Gas Operator | Dec 1993 |