| 22301 | Perry L Larson Operating Co | Dallas, TX 75231-4712 | Oil & Gas Operator | Jun 2025 |
| 22302 | Perry Operating Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 22303 | Perry Petroleum | | Oil Operator | Jun 1993 |
| 22304 | Perry Point, Inc. | | Oil Operator | Mar 2022 |
| 22305 | Perry Producing Company, Inc. | Ackerly, TX 79713 | Oil & Gas Operator | Oct 2025 |
| 22306 | Perry Production Company Inc | Perry, OK 73077-0412 | Oil & Gas Operator | May 2006 |
| 22307 | Perry, J. R. & Co. | Haskell, TX 79521 | Oil & Gas Operator | Jul 2015 |
| 22308 | Perry, James D | El Dorado, AR 71730 | Oil Operator | Jan 2025 |
| 22309 | Perry, Robert And Elizabeth | Dewittville, NY 14728 | Gas Operator | Dec 2024 |
| 22310 | Perryman Exp. And Prod., LLC | Athens, TX 75751 | Oil & Gas Operator | Oct 2025 |
| 22311 | Perryman Operating Company | Athens, TX 75751 | Oil & Gas Operator | Oct 2025 |
| 22312 | Perryton Operating Co., Inc. | Perryton, TX 79070 | Oil & Gas Operator | Oct 2025 |
| 22313 | Person Oil Co. | Bowie, TX 76230 | Oil & Gas Operator | Sep 2002 |
| 22314 | Person, Claude | Bowie, TX 76230 | Oil & Gas Operator | Apr 2007 |
| 22315 | Person, J.S., Inc. | Longview, TX 75606 | Oil & Gas Operator | Oct 2025 |
| 22316 | Pertex Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jul 1996 |
| 22317 | Pesco | | Oil & Gas Operator | Oct 1984 |
| 22318 | Pet Processors L.L.C | Painesville, OH 44077 | Oil & Gas Operator | Dec 2024 |
| 22319 | Pet-Ex, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2025 |
| 22320 | Petaluma Oil & Gas | | Oil & Gas Operator | Dec 1999 |
| 22321 | Petco Energy Corporation | Hinsdale, IL 60521 | Oil & Gas Operator | Oct 2025 |
| 22322 | Petco Energy Ser | | Oil Operator | Apr 1986 |
| 22323 | Petco Petroleum Corp | Hinsdale, IL 60521 | Oil & Gas Operator | Jun 2025 |
| 22324 | Pete Caldwell Drilling Co.,Inc | | Oil & Gas Operator | Aug 1991 |
| 22325 | Pete Mills | Midland, TX 79707 | Oil & Gas Operator | Oct 2012 |
| 22326 | Pete'S Pumping & Well Services, LLC | Butler, AL 36904 | Oil & Gas Operator | Jul 2025 |
| 22327 | Petech Enterprises, Inc. | Houston, TX 77066 | Oil & Gas Operator | Jan 2004 |
| 22328 | Peterland Oil Co | | Oil Operator | Sep 1990 |
| 22329 | Peterman-Sturlese Et Al | | Oil & Gas Operator | Sep 1987 |
| 22330 | Peters Petroleum Corporation | Dallas, TX 75243 | Oil & Gas Operator | Jan 2014 |
| 22331 | Petersen Production Company LLC | | Oil & Gas Operator | Dec 2019 |
| 22332 | Peterson & Roberts | Loving, TX 76460 | Oil & Gas Operator | Mar 1998 |
| 22333 | Peterson Charles E SR | Stroud, OK 74079-9718 | Oil & Gas Operator | Jun 2025 |
| 22334 | Peterson Energy Operating | | Oil Operator | Dec 2021 |
| 22335 | Peterson Energy Operating Inc | | Oil & Gas Operator | Aug 2025 |
| 22336 | Peterson Oil And Gas LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | Oct 2025 |
| 22337 | Peterson Oil Co LLC | Centerville, KS 66014 | Oil Operator | Jun 2025 |
| 22338 | Peterson, Don Company | Loving, TX 76460 | Oil & Gas Operator | Jul 2017 |
| 22339 | Peterson, Thomas M. | Jamestown, NY 14701 | Oil & Gas Operator | Dec 2024 |
| 22340 | Petex | Breckenridge, TX 76424 | Oil & Gas Operator | Oct 2025 |
| 22341 | Petex Incorporat | | Oil Operator | Sep 1991 |
| 22342 | Petr Corporation | | Oil Operator | Apr 1988 |
| 22343 | Petr Exploration | | Oil Operator | Apr 1995 |
| 22344 | Petra Oleum Corp. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 22345 | Petra Petroleum Inc | Littleton, CO 80160-0319 | Oil & Gas Operator | Jun 2005 |
| 22346 | Petra Petroleum Management LLC | Hotchkiss, CO 81419-0369 | Gas Operator | Sep 2014 |
| 22347 | Petra, Inc. | | Oil & Gas Operator | Apr 1987 |
| 22348 | Petral Exploration LLC | Denver, CO 80217-5083 | Oil & Gas Operator | Dec 2001 |
| 22349 | Petralis Energy Resources, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2025 |
| 22350 | Petram Oil And Gas, LLC | Richmond, TX 77407 | Oil Operator | Oct 2025 |
| 22351 | Petrie Enterpris | | Oil & Gas Operator | Sep 1986 |
| 22352 | Petrie, Stanley D. | Pratt, KS 67124 | Gas Operator | Aug 1995 |
| 22353 | Petrik Oil | Bartlesville, OK 74006 | Oil Operator | Nov 1996 |
| 22354 | Petrik Oil - Jim | | Oil Operator | Apr 1995 |
| 22355 | Petro "E", LLC | | Oil & Gas Operator | Feb 2010 |
| 22356 | Petro 2000 Exploration Co. | Katy, TX 77450 | Oil & Gas Operator | Nov 2011 |
| 22357 | Petro 85 Incorpo | | Oil Operator | Mar 1993 |
| 22358 | Petro Capital Resources LLC | | Oil & Gas Operator | Jul 2025 |
| 22359 | Petro Davis Inc | Oklahoma City, OK 73142-1807 | Oil & Gas Operator | Jan 2013 |
| 22360 | Petro Delta | Rockdale, TX 76567 | Oil Operator | Oct 2025 |
| 22361 | Petro Dev Corp | Bridgeport, WV 26330-0026 | Oil & Gas Operator | Dec 2013 |
| 22362 | Petro Drilling & Producing Co. | Archer City, TX 76351 | Oil & Gas Operator | Apr 1997 |
| 22363 | Petro Drilling Corp | Columbus, OH 43229 | Oil & Gas Operator | Dec 1993 |
| 22364 | Petro Dynamics C | | Oil & Gas Operator | Sep 1988 |
| 22365 | Petro Energies I | | Oil & Gas Operator | Apr 1991 |
| 22366 | Petro Energy Inc | Farmington, NM 87499 | Oil & Gas Operator | Apr 2006 |
| 22367 | Petro Evaluation Services Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2023 |
| 22368 | Petro Evaluation SVC Inc | Wooster, OH 44691-1223 | Oil & Gas Operator | Dec 2008 |
| 22369 | Petro Harvester Operating Company, LLC | | Oil & Gas Operator | Nov 2022 |
| 22370 | Petro Hi-Tech, Inc. | Pasadena, TX 77505 | Oil & Gas Operator | Feb 2008 |
| 22371 | Petro Holdings, Inc. | Spencer, WV 25276-0000 | Oil & Gas Operator | Dec 2021 |
| 22372 | Petro Hunt Inc Of Kentucky | | Oil & Gas Operator | Dec 2006 |
| 22373 | Petro Lions, LLC | Somerset, TX 78069 | Oil Operator | Oct 2025 |
| 22374 | Petro Locators I | | Oil & Gas Operator | Dec 1995 |
| 22375 | Petro Locators, Inc. | Pratt, KS 67124 | Oil & Gas Operator | Jun 2025 |
| 22376 | Petro Mex Resources | | Oil & Gas Operator | Aug 2025 |
| 22377 | Petro Mex, LLC | Farmington, NM 87499 | Oil & Gas Operator | Aug 2025 |
| 22378 | Petro North LTD | Smethport, PA 16749-0742 | Oil & Gas Operator | Dec 2024 |
| 22379 | Petro Nova | | Oil Operator | Dec 2000 |
| 22380 | Petro Oil Produc | | Oil Operator | Aug 1989 |
| 22381 | Petro Oilfield Equipment Inc | Drumright, OK 74030-1233 | Oil & Gas Operator | Dec 2010 |
| 22382 | Petro Operating Company | | Oil & Gas Operator | Dec 2024 |
| 22383 | Petro Operating Company LLC | | Oil & Gas Operator | Jul 2025 |
| 22384 | Petro Pak Corpor | | Oil Operator | Aug 1988 |
| 22385 | Petro Plex Oil Co Inc. | Homosassa, FL 34448 | Oil & Gas Operator | Jul 2020 |
| 22386 | Petro Producers Corporation | | Oil & Gas Operator | Mar 1993 |
| 22387 | Petro Productions,Petrotec Production,Inc Dba | Wichita, KS 67202 | Oil Operator | Aug 1993 |
| 22388 | Petro Quest Inc | Guysville, OH 45735 | Oil & Gas Operator | Dec 2024 |
| 22389 | Petro Resources, Inc. | Fulton, TX 78358 | Oil & Gas Operator | Oct 2025 |
| 22390 | Petro River Operating, LLC | New York City, NY 10017 | Oil & Gas Operator | Jul 2011 |
| 22391 | Petro Speed Inc | Norman, OK 73069-8116 | Oil & Gas Operator | Mar 2015 |
| 22392 | Petro SVC Partners Inc | Indiana, PA 15701-8556 | Oil & Gas Operator | Dec 2024 |
| 22393 | Petro Valley Ser | | Gas Operator | Dec 1986 |
| 22394 | Petro Ventures Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2019 |
| 22395 | Petro Vest Operating LLC | | Oil Operator | Aug 2013 |
| 22396 | Petro Vest, Inc. | Houston, TX 77046 | Oil & Gas Operator | Sep 2014 |
| 22397 | Petro Warrior LLC | Wichita, KS 67206 | Oil & Gas Operator | Jun 2025 |
| 22398 | Petro-Assets Corporation | | Oil & Gas Operator | Feb 2000 |
| 22399 | Petro-Beth Oil & Gas, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2006 |
| 22400 | Petro-Canada Resources (USA) | | Oil & Gas Operator | Dec 2009 |