| 22401 | Periscope Operating LLC | McKinney, TX 75069 | Oil & Gas Operator | Jun 2020 |
| 22402 | Perkins & Perkins Oil Co. Inc. | Allegany, NY 14706 | Oil & Gas Operator | Dec 2023 |
| 22403 | Perkins Energy Company | Duncan, OK 73533-3853 | Oil & Gas Operator | Mar 2025 |
| 22404 | Perkins Mike | Velma, OK 73091 | Oil & Gas Operator | Jan 2006 |
| 22405 | Perkins Nova | Atwood, OK 74827-9738 | Oil Operator | Feb 2014 |
| 22406 | Perkins Oil & Gas Inc | Pennsboro, WV 26415-0547 | Oil & Gas Operator | Dec 2021 |
| 22407 | Perkins Oil Comp | | Oil Operator | Nov 1988 |
| 22408 | Perkins Oil Ente | | Oil & Gas Operator | Dec 1995 |
| 22409 | Perkins Oil Enterprises, Inc. | Howard, KS 67349 | Oil & Gas Operator | Jan 2025 |
| 22410 | Perkins Oil Properties | | Oil & Gas Operator | Nov 2024 |
| 22411 | Perkins Production Company Inc | Seminole, OK 74868 | Oil & Gas Operator | May 2006 |
| 22412 | Perkins Production Company LLC | Pennsboro, WV 26415 | Oil & Gas Operator | Dec 2021 |
| 22413 | Perkins, Bobby R | | Oil Operator | Mar 2017 |
| 22414 | Perkins, Don & Assoc, Inc | | Oil Operator | Dec 2011 |
| 22415 | Perkins, Earl | | Oil & Gas Operator | Aug 2013 |
| 22416 | Perkins, Eugene O. | Boerne, TX 78015 | Oil & Gas Operator | May 2025 |
| 22417 | Perkins-Prothro Company | Wichita Falls, TX 76308 | Oil & Gas Operator | May 2002 |
| 22418 | Perlman,I.H.Oil & Gas Properties | Houston, TX 77056 | Oil & Gas Operator | Mar 2008 |
| 22419 | Permeator Corp. | | Oil Operator | Sep 1990 |
| 22420 | Permex Petroleum Company, LLC | Dallas, TX 75201 | Oil & Gas Operator | Mar 2024 |
| 22421 | Permex Petroleum Corporation | Graham, TX 76450 | Oil & Gas Operator | May 2025 |
| 22422 | Permian Basin Oil Corporation | Odessa, TX 79762 | Oil & Gas Operator | May 2025 |
| 22423 | Permian Deep Rock Oil Co., LLC | Midland, TX 79702 | Oil & Gas Operator | May 2025 |
| 22424 | Permian Development, Inc. | Midland, TX 79701 | Oil & Gas Operator | Mar 2008 |
| 22425 | Permian Legend LLC | San Marcos, TX 78666 | Oil Operator | May 2025 |
| 22426 | Permian Natural Resources | Pflugerville, TX 78660 | Oil & Gas Operator | May 2025 |
| 22427 | Permian Pacific Resources, Inc. | Dallas, TX 75230 | Oil & Gas Operator | Aug 2003 |
| 22428 | Permian Reef, LLC | Greenwood, IN 46143 | Gas Operator | Mar 2011 |
| 22429 | Permian Resources Operating, LLC | Midland, TX 79701 | Oil & Gas Operator | May 2025 |
| 22430 | Permian Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 22431 | Permian Resources, LLC | Houston, TX 77002 | Oil & Gas Operator | Mar 2018 |
| 22432 | Permian Roustabout & Oilfield Services LLC | Blanchard, OK 73010 | Oil & Gas Operator | Feb 2024 |
| 22433 | Permian Services Co., LLC | Midland, TX 79702 | Oil & Gas Operator | Sep 2013 |
| 22434 | Permian Solutions LLC | Midland, TX 79702 | Oil Operator | May 2025 |
| 22435 | Permian Surveys | Midland, TX 79707 | Oil & Gas Operator | Oct 1999 |
| 22436 | Permian West Corp. | Odessa, TX 79762 | Oil & Gas Operator | May 2025 |
| 22437 | Permico Corporation | Stafford, TX 77477 | Oil & Gas Operator | Nov 2003 |
| 22438 | Permok Oil Inc | Shawnee Mission, KS 662082110 | Oil & Gas Operator | Feb 2013 |
| 22439 | Perna Oil & Gas LLC | | Oil & Gas Operator | Nov 2024 |
| 22440 | Pero Farms Inc. | Brant, NY 14027 | Gas Operator | Dec 2023 |
| 22441 | Peroco Oil & Gas | Killbuck, OH 44637 | Oil & Gas Operator | Dec 1987 |
| 22442 | Perrin Oil Compa | | Oil & Gas Operator | Jun 1985 |
| 22443 | Perrin, Mary L | | Oil & Gas Operator | Oct 2005 |
| 22444 | Perry C A And Son Inc | | Oil & Gas Operator | Dec 1994 |
| 22445 | Perry L Larson Operating Co | Dallas, TX 75231-4712 | Oil & Gas Operator | Feb 2025 |
| 22446 | Perry Operating Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2025 |
| 22447 | Perry Petroleum | | Oil Operator | Jun 1993 |
| 22448 | Perry Point, Inc. | | Oil Operator | Mar 2022 |
| 22449 | Perry Producing Company, Inc. | Ackerly, TX 79713 | Oil & Gas Operator | May 2025 |
| 22450 | Perry Production Company Inc | Perry, OK 73077-0412 | Oil & Gas Operator | May 2006 |
| 22451 | Perry, J. R. & Co. | Haskell, TX 79521 | Oil & Gas Operator | Jul 2015 |
| 22452 | Perry, James D | El Dorado, AR 71730 | Oil Operator | Nov 2024 |
| 22453 | Perry, Robert & Elizabeth | | Gas Operator | Dec 2023 |
| 22454 | Perryman Exp. And Prod., LLC | Athens, TX 75751 | Oil & Gas Operator | May 2025 |
| 22455 | Perryman Operating Company | Athens, TX 75751 | Oil & Gas Operator | May 2025 |
| 22456 | Perryton Operating Co., Inc. | Perryton, TX 79070 | Oil & Gas Operator | May 2025 |
| 22457 | Person Oil Co. | Bowie, TX 76230 | Oil & Gas Operator | Sep 2002 |
| 22458 | Person, Claude | Bowie, TX 76230 | Oil & Gas Operator | Apr 2007 |
| 22459 | Person, J.S., Inc. | Longview, TX 75606 | Oil & Gas Operator | May 2025 |
| 22460 | Pertex Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jul 1996 |
| 22461 | Pesco | | Oil & Gas Operator | Oct 1984 |
| 22462 | Pet Processors L.L.C | Painesville, OH 44077 | Oil & Gas Operator | Dec 2024 |
| 22463 | Pet-Ex, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Jan 2025 |
| 22464 | Petaluma Oil & Gas | | Oil & Gas Operator | Dec 1999 |
| 22465 | Petco Energy Corporation | Hinsdale, IL 60521 | Oil & Gas Operator | May 2025 |
| 22466 | Petco Energy Ser | | Oil Operator | Apr 1986 |
| 22467 | Petco Petroleum Corp | Hinsdale, IL 60521 | Oil & Gas Operator | Feb 2025 |
| 22468 | Petcon Associates LTD | Denver, CO 80202 | Oil & Gas Operator | Sep 2018 |
| 22469 | Pete Caldwell Drilling Co.,Inc | | Oil & Gas Operator | Aug 1991 |
| 22470 | Pete Mills | Midland, TX 79707 | Oil & Gas Operator | Oct 2012 |
| 22471 | Pete'S Pumping & Well Services, LLC | Butler, AL 36904 | Oil & Gas Operator | Feb 2025 |
| 22472 | Petech Enterprises, Inc. | Houston, TX 77066 | Oil & Gas Operator | Jan 2004 |
| 22473 | Peter W. Herbst | | Gas Operator | Mar 1998 |
| 22474 | Peterland Oil Co | | Oil Operator | Sep 1990 |
| 22475 | Peterman-Sturlese Et Al | | Oil & Gas Operator | Sep 1987 |
| 22476 | Peters Petroleum Corporation | Dallas, TX 75243 | Oil & Gas Operator | Jan 2014 |
| 22477 | Peters Walter J | | Oil & Gas Operator | Jul 1991 |
| 22478 | Petersen Production Company LLC | | Oil & Gas Operator | Dec 2019 |
| 22479 | Peterson & Roberts | Loving, TX 76460 | Oil & Gas Operator | Mar 1998 |
| 22480 | Peterson Charles E SR | Stroud, OK 74079-9718 | Oil & Gas Operator | Feb 2025 |
| 22481 | Peterson Energy Management Inc | | Oil Operator | Aug 2010 |
| 22482 | Peterson Energy Operating | | Oil Operator | Dec 2021 |
| 22483 | Peterson Energy Operating Inc | Loveland, CO 80537 | Oil & Gas Operator | Apr 2025 |
| 22484 | Peterson Oil And Gas LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | May 2025 |
| 22485 | Peterson Oil Co LLC | Centerville, KS 66014 | Oil Operator | Jan 2025 |
| 22486 | Peterson, Don Company | Loving, TX 76460 | Oil & Gas Operator | Jul 2017 |
| 22487 | Peterson, Thomas M. | Jamestown, NY 14701 | Oil & Gas Operator | Dec 2023 |
| 22488 | Petex | Breckenridge, TX 76424 | Oil & Gas Operator | May 2025 |
| 22489 | Petex Incorporat | | Oil Operator | Sep 1991 |
| 22490 | Petr Corporation | | Oil Operator | Apr 1988 |
| 22491 | Petr Exploration | | Oil Operator | Apr 1995 |
| 22492 | Petra Oleum Corp. | Midland, TX 79702 | Oil & Gas Operator | May 2025 |
| 22493 | Petra Petroleum Inc | Littleton, CO 80160-0319 | Oil & Gas Operator | Jun 2005 |
| 22494 | Petra Petroleum Management LLC | Hotchkiss, CO 81419-0369 | Gas Operator | Sep 2014 |
| 22495 | Petra, Inc. | | Oil & Gas Operator | Apr 1987 |
| 22496 | Petral Exploration Inc LLC | Denver, CO 80217 | Oil & Gas Operator | May 2007 |
| 22497 | Petral Exploration LLC | Denver, CO 80217-5083 | Oil & Gas Operator | Dec 2001 |
| 22498 | Petralis Energy Resources, LLC | Kilgore, TX 75663 | Oil & Gas Operator | May 2025 |
| 22499 | Petram Oil And Gas, LLC | Richmond, TX 77407 | Oil Operator | May 2025 |
| 22500 | Petrie Enterpris | | Oil & Gas Operator | Sep 1986 |