| 8301 | Pax Energy LTD | Elmhurst, IL 60126 | Oil & Gas Operator | Dec 1998 |
| 8302 | Pax Petroleum Corporation | La Jolla, CA 92037 | Oil & Gas Operator | Mar 2008 |
| 8303 | Payne Petroleum | Abilene, TX 79604 | Oil & Gas Operator | Apr 2025 |
| 8304 | Payne Producing Co. | Fredericksbrg, TX 78624 | Oil & Gas Operator | Jun 2008 |
| 8305 | Payne, B.R. Oil & Gas, Inc. | Corpus Chrsti, TX 78411 | Oil & Gas Operator | Feb 2006 |
| 8306 | Payne, W. C. | Nichols Hill, OK 73116 | Oil & Gas Operator | Sep 2005 |
| 8307 | Payne-Johnston | Tyler, TX 75702 | Oil & Gas Operator | Nov 1996 |
| 8308 | Payne-Johnston & Byars | Tyler, TX 75702 | Oil & Gas Operator | Jun 1997 |
| 8309 | Payola Productions | Athens, TX 75751 | Oil & Gas Operator | Nov 1994 |
| 8310 | Payrock II, LLC | Houston, TX 77007 | Oil & Gas Operator | Dec 2020 |
| 8311 | Payson Operating, LLC | Argyle, TX 76226 | Oil & Gas Operator | Mar 2018 |
| 8312 | PB Oil Company | Vernon, TX 76385 | Oil & Gas Operator | Oct 2023 |
| 8313 | Pbex Operations, LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 8314 | Pcore Exploration & Prod II LLC | Golden, CO 80401 | Oil & Gas Operator | Jun 2020 |
| 8315 | PD Operating Company | Tulsa, OK 74119 | Oil & Gas Operator | Sep 2005 |
| 8316 | PDC Energy | Denver, CO 80203 | Oil & Gas Operator | Nov 2012 |
| 8317 | PDC Permian, Inc. | Midland, TX 79706 | Oil & Gas Operator | Apr 2025 |
| 8318 | PDC-WV-Co Corporation | Denver, CO 80203 | Oil & Gas Operator | Aug 2010 |
| 8319 | Pdeh LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2025 |
| 8320 | PDH Enterprises | Pittsburg, TX 75686 | Oil & Gas Operator | Apr 2019 |
| 8321 | Pe - Texas, LLC | Oklahoma City, OK 73113 | Oil Operator | Apr 2025 |
| 8322 | Peach Creek Operating Co, LLC | Houston, TX 77007 | Oil & Gas Operator | Apr 2025 |
| 8323 | Peak Energy Corporation | Plano, TX 75093 | Oil & Gas Operator | Oct 2018 |
| 8324 | Peak Energy Operating #2, LLC | Durango, CO 81301 | Oil & Gas Operator | Jun 2006 |
| 8325 | Peak Flow Operating&Drilling LP | Fort Worth, TX 76102 | Oil & Gas Operator | Jun 2011 |
| 8326 | Peak Natural Gas Co., LLC | Dallas, TX 75225 | Oil & Gas Operator | Sep 2010 |
| 8327 | Peak Operating LLC | Oklahoma City, OK 73157 | Oil & Gas Operator | Dec 2024 |
| 8328 | Peak Operating Of Texas, LLC | Denver, CO 80202 | Oil & Gas Operator | May 2005 |
| 8329 | Peak Pipeline Company | Plano, TX 75093 | Oil & Gas Operator | Oct 2007 |
| 8330 | Peak Texas Resources, LLC | Durango, CO 81301 | Oil & Gas Operator | Mar 2017 |
| 8331 | Pearce Trust And Blair | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 8332 | Pearce, Roy F., Jr. | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 8333 | Pearl Energy, L.L.C. | Austin, TX 78746 | Oil & Gas Operator | Apr 2002 |
| 8334 | Pearl Petroleum Inc | Lawton, OK 73501-5821 | Oil & Gas Operator | Jan 2014 |
| 8335 | Pearl Resources Operating Co.LLC | Houston, TX 77024 | Oil & Gas Operator | Apr 2025 |
| 8336 | Pearl, Bill H. Productions, Inc. | Corpus Chrsti, TX 78460 | Oil & Gas Operator | Apr 2025 |
| 8337 | Pearsall Partners | Dallas, TX 75201 | Oil & Gas Operator | Mar 1993 |
| 8338 | Pearson, A. K. | Amarillo, TX 79114 | Oil & Gas Operator | Aug 2023 |
| 8339 | Pearson, Lee Roy III | Eastland, TX 76448 | Oil & Gas Operator | Apr 2025 |
| 8340 | Pearson, Lee Roy, Jr. | Eastland, TX 76448 | Oil & Gas Operator | Nov 1997 |
| 8341 | Peba Oil & Gas Co. | Wichita Falls, TX 76302 | Oil & Gas Operator | Jun 2015 |
| 8342 | Peba Oil & Gas, Inc. | Nocona, TX 76255 | Oil & Gas Operator | Apr 2025 |
| 8343 | Pecanosa Oil & Cattle Co. | New Braunfels, TX 78132 | Gas Operator | May 2013 |
| 8344 | Peccary Corporation | Lubbock, TX 79453 | Oil & Gas Operator | Aug 2003 |
| 8345 | Pech Oil Co., No. 2 | Midland, TX 79702 | Oil & Gas Operator | Apr 2013 |
| 8346 | Pech Oil Company | Midland, TX 79702 | Oil & Gas Operator | Apr 2013 |
| 8347 | Peckenpaugh Farms | Farnsworth, TX 79033 | Oil & Gas Operator | Apr 2025 |
| 8348 | Pecos Country Operating Inc. | N Richlnd HLS, TX 76182 | Oil Operator | Apr 2025 |
| 8349 | Pecos Crude LLC | Sugar Land, TX 77479 | Oil Operator | Apr 2025 |
| 8350 | Pecos Development Corporation | San Antonio, TX 78209 | Oil Operator | Aug 1988 |
| 8351 | Pecos Operating Company, LLC | Midland, TX 79701 | Oil & Gas Operator | Jun 2021 |
| 8352 | Pecos Operators, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 1993 |
| 8353 | Pecos Petroleum Company | Houston, TX 77057 | Oil & Gas Operator | Oct 1999 |
| 8354 | Pecos Production Company | Oklahoma City, OK 73154 | Oil & Gas Operator | Apr 2005 |
| 8355 | Pecos River Exploration, LLC | Allen, TX 75013 | Oil & Gas Operator | Apr 2025 |
| 8356 | Pecos Valley Management Co. | Dallas, TX 75206 | Oil & Gas Operator | Aug 2008 |
| 8357 | Ped Oil Corporation | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 8358 | Pedco Resources Company | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2008 |
| 8359 | Pedeco, Inc. | Casper, WY 82601 | Oil & Gas Operator | Mar 2008 |
| 8360 | Peden Energy | Lubbock, TX 79424 | Oil & Gas Operator | Dec 2004 |
| 8361 | Peden Energy, Inc. | Wolfforth, TX 79382 | Oil & Gas Operator | Apr 2025 |
| 8362 | Peden, Marshell | Archer City, TX 76351 | Oil & Gas Operator | Apr 2025 |
| 8363 | Peden, Oren Inc. | Levelland, TX 79336 | Oil & Gas Operator | May 2001 |
| 8364 | Pedernales Petroleum Op, LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2025 |
| 8365 | Pedernales Production, LP | Houston, TX 77057 | Oil & Gas Operator | Mar 2022 |
| 8366 | Pedestal Oil Company Inc | Oklahoma City, OK 73101-1522 | Oil & Gas Operator | May 2019 |
| 8367 | Peery, J. W. | Midland, TX 79701 | Oil & Gas Operator | Aug 2007 |
| 8368 | Pegasi Energy Resources Corp | Tyler, TX 75710 | Oil & Gas Operator | Jul 2007 |
| 8369 | Pegasi Operating Inc. | Jefferson, TX 75657 | Oil & Gas Operator | Apr 2025 |
| 8370 | Pegasus Energy | Oklahoma City, OK 73162 | Oil & Gas Operator | Apr 1997 |
| 8371 | Pegasus Operating, Inc. | Coldspring, TX 77331 | Oil & Gas Operator | Apr 2025 |
| 8372 | Pegasus P And A LLC | Kilgore, TX 75663 | Oil Operator | Apr 2025 |
| 8373 | Pegasus Petroleum Corporation | Corpus Chrsti, TX 78476 | Oil & Gas Operator | Apr 2025 |
| 8374 | Peles, LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2025 |
| 8375 | Pemberton, W. C. Oil Co., Inc. | Cameron, TX 76520 | Oil & Gas Operator | Apr 2025 |
| 8376 | Pembrook Oil Company | Big Lake, TX 76932 | Oil & Gas Operator | May 1999 |
| 8377 | Pen-Tex Production Co. Inc. | Penwell, TX 79776 | Oil & Gas Operator | Apr 2025 |
| 8378 | Pen-Tex Production Co. L.L.C. | Penwell, TX 79776 | Oil & Gas Operator | Nov 1998 |
| 8379 | Pendergraft Oil Co. | Lueders, TX 79533 | Oil & Gas Operator | Jan 1998 |
| 8380 | Pendolino Resources, LLC | Dallas, TX 75205 | Gas Operator | Mar 2023 |
| 8381 | Pendragon Oil Co. | Fort Worth, TX 76116 | Oil & Gas Operator | Apr 2025 |
| 8382 | Penergy | Midland, TX 79710 | Oil & Gas Operator | Apr 2025 |
| 8383 | Penn Resources, Inc. | Dallas, TX 75219 | Oil & Gas Operator | Sep 1987 |
| 8384 | Penn VIrginia Oil & Gas Corp | Houston, TX 77024 | Oil & Gas Operator | Dec 2023 |
| 8385 | Penn VIrginia Oil & Gas, L.P. | Houston, TX 77084 | Oil & Gas Operator | Nov 2022 |
| 8386 | Pennant Dev. And Prod., LLC | Midland, TX 79702 | Oil Operator | Apr 2025 |
| 8387 | Pennartz Productions, LLC. | Jacksboro, TX 76458 | Oil Operator | Apr 2025 |
| 8388 | Pennington Refining LLC | Grand Prairie, TX 75051 | Oil Operator | Apr 2025 |
| 8389 | Pennington, W. L., Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Jul 1996 |
| 8390 | Penntex Petroleum Corporation | Austin, TX 78731 | Oil & Gas Operator | Apr 2025 |
| 8391 | Penntex Resources, L.P. | State College, PA 16803 | Oil & Gas Operator | Mar 2016 |
| 8392 | Penny, Ralph E. | White Plains, NY 10601 | Oil & Gas Operator | Jul 2023 |
| 8393 | Pennzenergy Exp. & Prod., L.L.C. | Houston, TX 77210 | Oil & Gas Operator | Mar 2000 |
| 8394 | Pennzoil Exploration & Production Co. | Carthage, TX 75633 | Oil & Gas Operator | Mar 2008 |
| 8395 | Pennzoil Petroleum Company | Houston, TX 77252 | Oil & Gas Operator | Nov 1999 |
| 8396 | Penroc Oil Corp. | Hobbs, NM 88241 | Oil & Gas Operator | Feb 2025 |
| 8397 | Penrod Oil Company Of Texas, Inc | Milano, TX 76556 | Oil & Gas Operator | Apr 2025 |
| 8398 | Pentad Development Corp. (A) | Dallas, TX 75201 | Oil & Gas Operator | Mar 1993 |
| 8399 | Pentergy Operating, LLC | New Braunfels, TX 78132 | Oil & Gas Operator | Apr 2025 |
| 8400 | Pentex Energy, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2003 |