| 8301 | Perez, H. F. | Alice, TX 78332 | Oil & Gas Operator | May 2023 |
| 8302 | Performance Operating Partners, LLC | Shreveport, LA 71164 | Oil & Gas Operator | Apr 2026 |
| 8303 | Pergerson Energy, L.L.C. | Richmond, VA 23225 | Oil Operator | Apr 2026 |
| 8304 | Perimeter Resource Company | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 8305 | Periscope Operating LLC | McKinney, TX 75069 | Oil & Gas Operator | Jun 2020 |
| 8306 | Perkins, Eugene O. | Boerne, TX 78015 | Oil & Gas Operator | Apr 2026 |
| 8307 | Perkins-Prothro Company | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2002 |
| 8308 | Perlman,I.H.Oil & Gas Properties | Houston, TX 77056 | Oil & Gas Operator | Mar 2008 |
| 8309 | Permex Petroleum Corporation | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 8310 | Permian Basin Oil Corporation | Odessa, TX 79762 | Oil & Gas Operator | Apr 2026 |
| 8311 | Permian Deep Rock Oil Co., LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 8312 | Permian Development, Inc. | Midland, TX 79701 | Oil & Gas Operator | Mar 2008 |
| 8313 | Permian Legend LLC | San Marcos, TX 78666 | Oil Operator | Apr 2026 |
| 8314 | Permian Natural Resources | Tyler, TX 75701 | Oil & Gas Operator | Apr 2026 |
| 8315 | Permian Pacific Resources, Inc. | Dallas, TX 75230 | Oil & Gas Operator | Aug 2003 |
| 8316 | Permian Resources Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | Apr 2026 |
| 8317 | Permian Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 8318 | Permian Resources, LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2018 |
| 8319 | Permian Services Co., LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2013 |
| 8320 | Permian Solutions LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 8321 | Permian Surveys | Midland, TX 79707 | Oil & Gas Operator | Oct 1999 |
| 8322 | Permian West Corp. | Odessa, TX 79762 | Oil & Gas Operator | Apr 2026 |
| 8323 | Perry Operating Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2026 |
| 8324 | Perry Producing Company, Inc. | Ackerly, TX 79713 | Oil & Gas Operator | Apr 2026 |
| 8325 | Perry, J. R. & Co. | Haskell, TX 79521 | Oil & Gas Operator | Jul 2015 |
| 8326 | Perryman Exp. And Prod., LLC | Athens, TX 75751 | Oil & Gas Operator | Apr 2026 |
| 8327 | Perryman Operating Company | Athens, TX 75751 | Oil & Gas Operator | Apr 2026 |
| 8328 | Perryton Operating Co., Inc. | Perryton, TX 79070 | Oil & Gas Operator | Apr 2026 |
| 8329 | Person Oil Co. | Bowie, TX 76230 | Oil & Gas Operator | Sep 2002 |
| 8330 | Person, Claude | Bowie, TX 76230 | Oil & Gas Operator | Apr 2007 |
| 8331 | Person, J.S., Inc. | Longview, TX 75606 | Oil & Gas Operator | Apr 2026 |
| 8332 | Petco Energy Corporation | Hinsdale, IL 60521 | Oil & Gas Operator | Apr 2026 |
| 8333 | Petco Petroleum Corp | Hinsdale, IL 60521 | Oil & Gas Operator | Jan 2026 |
| 8334 | Petech Enterprises, Inc. | Houston, TX 77066 | Oil & Gas Operator | Jan 2004 |
| 8335 | Peters Petroleum Corporation | Dallas, TX 75243 | Oil & Gas Operator | Jan 2014 |
| 8336 | Peterson & Roberts | Loving, TX 76460 | Oil & Gas Operator | Mar 1998 |
| 8337 | Peterson Oil And Gas LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | Apr 2026 |
| 8338 | Peterson, Don Company | Loving, TX 76460 | Oil & Gas Operator | Jul 2017 |
| 8339 | Petex | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2026 |
| 8340 | Petra Oleum Corp. | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 8341 | Petralis Energy Resources, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Apr 2026 |
| 8342 | Petram Oil And Gas, LLC | Richmond, TX 77407 | Oil Operator | Apr 2026 |
| 8343 | Petro 2000 Exploration Co. | Katy, TX 77450 | Oil & Gas Operator | Nov 2011 |
| 8344 | Petro Delta | Rockdale, TX 76567 | Oil Operator | Apr 2026 |
| 8345 | Petro Drilling & Producing Co. | Archer City, TX 76351 | Oil & Gas Operator | Apr 1997 |
| 8346 | Petro Hi-Tech, Inc. | Pasadena, TX 77505 | Oil & Gas Operator | Feb 2008 |
| 8347 | Petro Lions, LLC | Somerset, TX 78069 | Oil Operator | Apr 2026 |
| 8348 | Petro Plex Oil Co Inc. | Homosassa, FL 34448 | Oil & Gas Operator | Jul 2020 |
| 8349 | Petro Resources, Inc. | Fulton, TX 78358 | Oil & Gas Operator | Apr 2026 |
| 8350 | Petro Ventures Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2019 |
| 8351 | Petro Vest, Inc. | Houston, TX 77046 | Oil & Gas Operator | Sep 2014 |
| 8352 | Petro-Beth Oil & Gas, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2006 |
| 8353 | Petro-Chem Operating Company, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2026 |
| 8354 | Petro-Guard Company, Inc. | Houston, TX 77057 | Oil & Gas Operator | Nov 2014 |
| 8355 | Petro-Guard Production,L.L.C. | Houston, TX 77063 | Oil & Gas Operator | Dec 2024 |
| 8356 | Petro-Haley | Borger, TX 79008 | Oil & Gas Operator | Apr 2026 |
| 8357 | Petro-Hunt Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2003 |
| 8358 | Petro-Hunt Permian, LLC | Dallas, TX 75201 | Oil & Gas Operator | Apr 2026 |
| 8359 | Petro-Hunt, L.L.C. | Dallas, TX 75201 | Oil & Gas Operator | Apr 2026 |
| 8360 | Petro-Raider LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 8361 | Petro-Smith Operating LLC | Houston, TX 77010 | Oil & Gas Operator | Apr 2026 |
| 8362 | Petro-Tex Energy & Expl.Co.,Inc. | Llano, TX 78643 | Oil & Gas Operator | Apr 2026 |
| 8363 | Petro-West Corporation | Lubbock, TX 79404 | Oil & Gas Operator | Oct 2001 |
| 8364 | Petrobal Omega 1, LLC | Little Elm, TX 75068 | Oil & Gas Operator | Apr 2026 |
| 8365 | Petrocat Innovations, LLC | Forney, TX 75126 | Oil Operator | Apr 2026 |
| 8366 | Petrocoastal, Inc. | Frisco, TX 75036 | Oil & Gas Operator | Apr 2026 |
| 8367 | Petrocorp Acquisition Company | Tulsa, OK 74121 | Oil & Gas Operator | Dec 2002 |
| 8368 | Petrocorp Incorporated,A TX.Corp | Tulsa, OK 74170 | Oil & Gas Operator | Apr 2005 |
| 8369 | Petrodata Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 8370 | Petrodome Operating, LLC | Houston, TX 77265 | Oil & Gas Operator | May 2025 |
| 8371 | Petrofunds, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jun 1996 |
| 8372 | Petrogas Energy Services, LLC | Dallas, TX 75214 | Oil Operator | Apr 2026 |
| 8373 | Petrogas Operating Corporation | Garland, TX 75043 | Oil Operator | Feb 2010 |
| 8374 | Petroglyph Operating Co | Boise, ID 83709 | Oil & Gas Operator | Jul 2017 |
| 8375 | Petrogulf Corporation | Denver, CO 80202 | Oil & Gas Operator | Apr 2026 |
| 8376 | Petrohawk Energy Corporation | Houston, TX 77002 | Oil & Gas Operator | Jun 2005 |
| 8377 | Petrohawk Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2021 |
| 8378 | Petrol Industries, Inc. | Shreveport, LA 71137 | Oil & Gas Operator | Jun 2012 |
| 8379 | Petrolegacy Energy II, LLC | Denver, CO 80202 | Oil & Gas Operator | Jun 2023 |
| 8380 | Petrolero Corp. | San Antonio, TX 78205 | Oil & Gas Operator | Feb 1998 |
| 8381 | Petrolero, LLC | Plano, TX 75026 | Oil & Gas Operator | Apr 2026 |
| 8382 | Petroleum Advisors Int'L., Inc. | Houston, TX 77224 | Gas Operator | Jun 2005 |
| 8383 | Petroleum Capital, L.C. | Dallas, TX 75367 | Oil & Gas Operator | Apr 2026 |
| 8384 | Petroleum Inc | Wichita, KS 67202 | Oil & Gas Operator | Oct 2021 |
| 8385 | Petroleum International, Inc. | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2000 |
| 8386 | Petroleum Investments, Inc | Shreveport, LA 71101 | Oil & Gas Operator | Dec 1977 |
| 8387 | Petroleum Land Company | Abilene, TX 79606 | Oil & Gas Operator | May 2000 |
| 8388 | Petroleum Management Int'L, Inc. | Sugar Land, TX 77487 | Oil & Gas Operator | Oct 1993 |
| 8389 | Petroleum Management, Inc. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Apr 2026 |
| 8390 | Petroleum Production Engineering | Fulton, TX 78358 | Oil Operator | Feb 2019 |
| 8391 | Petroleum Production MGMT., Inc. | Kansas City, MO 64112 | Oil & Gas Operator | Apr 2026 |
| 8392 | Petroleum Properties MGMT Co LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Aug 2005 |
| 8393 | Petroleum Properties MGMT. Co. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2014 |
| 8394 | Petroleum Property MGMT, Inc (A) | Fort Worth, TX 76101 | Oil & Gas Operator | May 1994 |
| 8395 | Petroleum Recovery Systems, L.C. | Houston, TX 77024 | Oil Operator | Apr 2026 |
| 8396 | Petroleum Reserve Corporation | Plymouth MTNG, PA 19462 | Oil & Gas Operator | May 2008 |
| 8397 | Petroleum Resource Management Co | Fort Worth, TX 76107 | Oil & Gas Operator | Jan 2024 |
| 8398 | Petroleum Technical Services Co. | Midland, TX 79707 | Oil & Gas Operator | Dec 2004 |
| 8399 | Petroleum Well Service LLC | Silsbee, TX 77656 | Oil Operator | Apr 2026 |
| 8400 | Petrolia Energy Corporation | Pearland, TX 77581 | Oil Operator | Jan 2024 |