| 8301 | Penn Resources, Inc. | Dallas, TX 75219 | Oil & Gas Operator | Sep 1987 |
| 8302 | Penn VIrginia Oil & Gas Corp | Houston, TX 77024 | Oil & Gas Operator | Dec 2023 |
| 8303 | Penn VIrginia Oil & Gas, L.P. | Houston, TX 77084 | Oil & Gas Operator | Nov 2022 |
| 8304 | Pennant Dev. And Prod., LLC | Midland, TX 79702 | Oil Operator | Oct 2025 |
| 8305 | Pennartz Productions, LLC. | Jacksboro, TX 76458 | Oil Operator | Oct 2025 |
| 8306 | Pennington, W. L., Inc. | Wichita Falls, TX 76301 | Oil & Gas Operator | Jul 1996 |
| 8307 | Penntex Petroleum Corporation | Austin, TX 78731 | Oil & Gas Operator | Oct 2025 |
| 8308 | Penntex Resources, L.P. | State College, PA 16803 | Oil & Gas Operator | Mar 2016 |
| 8309 | Penny, Ralph E. | White Plains, NY 10601 | Oil & Gas Operator | Jul 2023 |
| 8310 | Pennzenergy Exp. & Prod., L.L.C. | Houston, TX 77210 | Oil & Gas Operator | Mar 2000 |
| 8311 | Pennzoil Exploration & Production Co. | Carthage, TX 75633 | Oil & Gas Operator | Mar 2008 |
| 8312 | Pennzoil Petroleum Company | Houston, TX 77252 | Oil & Gas Operator | Nov 1999 |
| 8313 | Penroc Oil Corp. | Hobbs, NM 88241 | Oil & Gas Operator | Jul 2025 |
| 8314 | Penrod Oil Company Of Texas, Inc | Milano, TX 76556 | Oil & Gas Operator | Oct 2025 |
| 8315 | Pentad Development Corp. (A) | Dallas, TX 75201 | Oil & Gas Operator | Mar 1993 |
| 8316 | Pentergy Operating, LLC | New Braunfels, TX 78132 | Oil & Gas Operator | Oct 2025 |
| 8317 | Pentex Energy, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2003 |
| 8318 | Pentex Operating Company | Oklahoma City, OK 73132 | Oil & Gas Operator | Oct 1994 |
| 8319 | Penwell Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Oct 2025 |
| 8320 | Penwell South Operating LLC | Houston, TX 77269 | Oil Operator | Oct 2025 |
| 8321 | Peoples Energy Prod.-TX, L.P. | Houston, TX 77002 | Oil & Gas Operator | Sep 2007 |
| 8322 | Percussion Petroleum Oper II,LLC | Houston, TX 77042 | Oil & Gas Operator | Jul 2023 |
| 8323 | Perdido Energy, LLC | Houston, TX 77251 | Oil & Gas Operator | Oct 2025 |
| 8324 | Perdure Petroleum LLC | Allen, TX 75013 | Oil & Gas Operator | Oct 2021 |
| 8325 | Peregrine Energy, Inc. | Spring, TX 77393 | Oil & Gas Operator | Jul 1999 |
| 8326 | Peregrine Petroleum PRTNR, LTD. | Dallas, TX 75201 | Oil & Gas Operator | Oct 2025 |
| 8327 | Perenco LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2005 |
| 8328 | Perez, H. F. | Alice, TX 78332 | Oil & Gas Operator | May 2023 |
| 8329 | Performance Operating Partners, LLC | Shreveport, LA 71164 | Oil & Gas Operator | Oct 2025 |
| 8330 | Pergerson Energy, L.L.C. | Richmond, VA 23225 | Oil Operator | Oct 2025 |
| 8331 | Perimeter Resource Company | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 8332 | Periscope Operating LLC | McKinney, TX 75069 | Oil & Gas Operator | Jun 2020 |
| 8333 | Perkins, Eugene O. | Boerne, TX 78015 | Oil & Gas Operator | Oct 2025 |
| 8334 | Perkins-Prothro Company | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2002 |
| 8335 | Perlman,I.H.Oil & Gas Properties | Houston, TX 77056 | Oil & Gas Operator | Mar 2008 |
| 8336 | Permex Petroleum Corporation | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 8337 | Permian Basin Oil Corporation | Odessa, TX 79762 | Oil & Gas Operator | Oct 2025 |
| 8338 | Permian Deep Rock Oil Co., LLC | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 8339 | Permian Development, Inc. | Midland, TX 79701 | Oil & Gas Operator | Mar 2008 |
| 8340 | Permian Legend LLC | San Marcos, TX 78666 | Oil Operator | Oct 2025 |
| 8341 | Permian Natural Resources | Pflugerville, TX 78660 | Oil & Gas Operator | Oct 2025 |
| 8342 | Permian Pacific Resources, Inc. | Dallas, TX 75230 | Oil & Gas Operator | Aug 2003 |
| 8343 | Permian Resources Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 8344 | Permian Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 8345 | Permian Resources, LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2018 |
| 8346 | Permian Services Co., LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2013 |
| 8347 | Permian Solutions LLC | Midland, TX 79702 | Oil Operator | Oct 2025 |
| 8348 | Permian Surveys | Midland, TX 79707 | Oil & Gas Operator | Oct 1999 |
| 8349 | Permian West Corp. | Odessa, TX 79762 | Oil & Gas Operator | Oct 2025 |
| 8350 | Perry Operating Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 8351 | Perry Producing Company, Inc. | Ackerly, TX 79713 | Oil & Gas Operator | Oct 2025 |
| 8352 | Perry, J. R. & Co. | Haskell, TX 79521 | Oil & Gas Operator | Jul 2015 |
| 8353 | Perryman Exp. And Prod., LLC | Athens, TX 75751 | Oil & Gas Operator | Oct 2025 |
| 8354 | Perryman Operating Company | Athens, TX 75751 | Oil & Gas Operator | Oct 2025 |
| 8355 | Perryton Operating Co., Inc. | Perryton, TX 79070 | Oil & Gas Operator | Oct 2025 |
| 8356 | Person Oil Co. | Bowie, TX 76230 | Oil & Gas Operator | Sep 2002 |
| 8357 | Person, Claude | Bowie, TX 76230 | Oil & Gas Operator | Apr 2007 |
| 8358 | Person, J.S., Inc. | Longview, TX 75606 | Oil & Gas Operator | Oct 2025 |
| 8359 | Petco Energy Corporation | Hinsdale, IL 60521 | Oil & Gas Operator | Oct 2025 |
| 8360 | Petco Petroleum Corp | Hinsdale, IL 60521 | Oil & Gas Operator | Jun 2025 |
| 8361 | Petech Enterprises, Inc. | Houston, TX 77066 | Oil & Gas Operator | Jan 2004 |
| 8362 | Peters Petroleum Corporation | Dallas, TX 75243 | Oil & Gas Operator | Jan 2014 |
| 8363 | Peterson & Roberts | Loving, TX 76460 | Oil & Gas Operator | Mar 1998 |
| 8364 | Peterson Oil And Gas LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | Oct 2025 |
| 8365 | Peterson, Don Company | Loving, TX 76460 | Oil & Gas Operator | Jul 2017 |
| 8366 | Petex | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 8367 | Petra Oleum Corp. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 8368 | Petralis Energy Resources, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2025 |
| 8369 | Petram Oil And Gas, LLC | Richmond, TX 77407 | Oil Operator | Oct 2025 |
| 8370 | Petro 2000 Exploration Co. | Katy, TX 77450 | Oil & Gas Operator | Nov 2011 |
| 8371 | Petro Delta | Rockdale, TX 76567 | Oil Operator | Oct 2025 |
| 8372 | Petro Drilling & Producing Co. | Archer City, TX 76351 | Oil & Gas Operator | Apr 1997 |
| 8373 | Petro Hi-Tech, Inc. | Pasadena, TX 77505 | Oil & Gas Operator | Feb 2008 |
| 8374 | Petro Lions, LLC | Somerset, TX 78069 | Oil Operator | Oct 2025 |
| 8375 | Petro Plex Oil Co Inc. | Homosassa, FL 34448 | Oil & Gas Operator | Jul 2020 |
| 8376 | Petro Resources, Inc. | Fulton, TX 78358 | Oil & Gas Operator | Oct 2025 |
| 8377 | Petro Ventures Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2019 |
| 8378 | Petro Vest, Inc. | Houston, TX 77046 | Oil & Gas Operator | Sep 2014 |
| 8379 | Petro-Beth Oil & Gas, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2006 |
| 8380 | Petro-Chem Operating Company, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Oct 2025 |
| 8381 | Petro-Guard Company, Inc. | Houston, TX 77057 | Oil & Gas Operator | Nov 2014 |
| 8382 | Petro-Guard Production,L.L.C. | Houston, TX 77063 | Oil & Gas Operator | Dec 2024 |
| 8383 | Petro-Haley | Borger, TX 79008 | Oil & Gas Operator | Oct 2025 |
| 8384 | Petro-Hunt Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2003 |
| 8385 | Petro-Hunt Permian, LLC | Dallas, TX 75201 | Oil & Gas Operator | Oct 2025 |
| 8386 | Petro-Hunt, L.L.C. | Dallas, TX 75201 | Oil & Gas Operator | Oct 2025 |
| 8387 | Petro-Raider LLC | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 8388 | Petro-Smith Operating LLC | Houston, TX 77010 | Oil & Gas Operator | Oct 2025 |
| 8389 | Petro-Tex Energy & Expl.Co.,Inc. | Llano, TX 78643 | Oil & Gas Operator | Oct 2025 |
| 8390 | Petro-West Corporation | Lubbock, TX 79404 | Oil & Gas Operator | Oct 2001 |
| 8391 | Petrobal Omega 1, LLC | Little Elm, TX 75068 | Oil & Gas Operator | Oct 2025 |
| 8392 | Petrocat Innovations, LLC | Forney, TX 75126 | Oil Operator | Oct 2025 |
| 8393 | Petrocoastal, Inc. | Frisco, TX 75036 | Oil & Gas Operator | Oct 2025 |
| 8394 | Petrocorp Acquisition Company | Tulsa, OK 74121 | Oil & Gas Operator | Dec 2002 |
| 8395 | Petrocorp Incorporated,A TX.Corp | Tulsa, OK 74170 | Oil & Gas Operator | Apr 2005 |
| 8396 | Petrodata Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 8397 | Petrodome Operating, LLC | Houston, TX 77265 | Oil & Gas Operator | Jun 2025 |
| 8398 | Petrofunds, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jun 1996 |
| 8399 | Petrogas Energy Services, LLC | Dallas, TX 75214 | Oil Operator | Oct 2025 |
| 8400 | Petrogas Operating Corporation | Garland, TX 75043 | Oil Operator | Feb 2010 |