| 21501 | Patno Oil & Gas Company | Zapata, TX 78076 | Oil & Gas Operator | Sep 2026 |
| 21502 | Patoil Corp. | San Antonio, TX 78205 | Oil & Gas Operator | Aug 2003 |
| 21503 | Patricia Oil Company | Tuleta, TX 78162 | Oil Operator | Sep 2008 |
| 21504 | Patrick & Hadley | Nocona, TX 76255 | Oil & Gas Operator | Jul 1999 |
| 21505 | Patrick & Vaughn | Oklahoma City, OK 73154 | Oil & Gas Operator | Sep 2005 |
| 21506 | Patrick Development Corporation | Leawood, KS 66206 | Oil Operator | May 2026 |
| 21507 | Patrick Exploration Company | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2011 |
| 21508 | Patrick Pet. Corp. Of Michigan | Houston, TX 77227 | Oil & Gas Operator | Aug 1995 |
| 21509 | Patrick Petroleum Co. | Jackson, MI 49201 | Oil & Gas Operator | Nov 1993 |
| 21510 | Patrick Petroleum Corp Of Michigan | | Oil & Gas Operator | Nov 1993 |
| 21511 | Patrick Petroleum Corporation | | Oil & Gas Operator | Oct 1984 |
| 21512 | Patrick Production Company | Houston, TX 77027 | Oil & Gas Operator | Sep 2026 |
| 21513 | Patrick R J & Jack H Vaughn | Oklahoma City, OK 73154 | Oil & Gas Operator | Feb 2002 |
| 21514 | Patrick R J Oper | | Oil & Gas Operator | Jan 1995 |
| 21515 | Patrick RJ Operating Co | Liberal, KS 67905-1157 | Oil & Gas Operator | Nov 2014 |
| 21516 | Patrick Shipley | | Oil & Gas Operator | Dec 2016 |
| 21517 | Patrick, G.R. | Nocona, TX 76255 | Oil Operator | Sep 2026 |
| 21518 | Patrick, George & Patrick, Roger | Nocona, TX 76255 | Oil & Gas Operator | Jul 1999 |
| 21519 | Patrick, Joe Ben | Petrolia, TX 76377 | Oil & Gas Operator | Oct 2009 |
| 21520 | Patriot E & P Company | Tyler, TX 75710 | Oil & Gas Operator | Aug 2004 |
| 21521 | Patriot Energy Resources LLC | Golden, CO 80401 | Gas Operator | Aug 2014 |
| 21522 | Patriot Exploration Corp | Stahlstown, PA 15687-1301 | Oil & Gas Operator | Dec 2025 |
| 21523 | Patriot Operating Company, Inc. | Houston, TX 77008 | Oil & Gas Operator | Sep 2003 |
| 21524 | Patriot Petroleum Co LLC | Coppell, TX 75019-4216 | Oil & Gas Operator | Jan 2013 |
| 21525 | Patriot Production LLC | Southlake, TX 76092 | Oil & Gas Operator | Apr 2023 |
| 21526 | Patriot Resources LLC | | Oil & Gas Operator | Jul 2026 |
| 21527 | Patriot Resources, Inc. | Midland, TX 79701 | Oil & Gas Operator | Oct 2017 |
| 21528 | Patriot Services, Inc. | Westbrook, TX 79565 | Oil & Gas Operator | Mar 2008 |
| 21529 | Patron Energy LLC | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2015 |
| 21530 | Pats Rent All | | Oil Operator | Jul 2002 |
| 21531 | Patterson & Patterson Oil Co | Cushing, OK 74023 | Oil Operator | Aug 1995 |
| 21532 | Patterson Bobby Ray | Haskell, OK 74436-8809 | Oil & Gas Operator | Apr 2020 |
| 21533 | Patterson Eddy L | Tulsa, OK 74133 | Oil & Gas Operator | Feb 2022 |
| 21534 | Patterson Energy Corporation | Dallas, TX 75367 | Oil & Gas Operator | Sep 2026 |
| 21535 | Patterson Energy LLC | Hays, KS 67601 | Oil & Gas Operator | May 2026 |
| 21536 | Patterson George E | Ada, OK 74820-1108 | Oil & Gas Operator | Jul 2016 |
| 21537 | Patterson Jerry | | Oil Operator | Jan 1995 |
| 21538 | Patterson John H | Shawnee, OK 74801 | Oil Operator | Dec 2006 |
| 21539 | Patterson Oil Company, The | Eastland, TX 76448 | Oil & Gas Operator | Jun 2026 |
| 21540 | Patterson Operating & Pumping Inc Dba/Penerg | Midland, TX 79710 | Oil & Gas Operator | Jul 2018 |
| 21541 | Patterson Operations LLC | Wichita, KS 67228 | Oil Operator | May 2026 |
| 21542 | Patterson Petroleum LLC | Snyder, TX 79550 | Oil & Gas Operator | Oct 2007 |
| 21543 | Patterson Petroleum LP | Snyder, TX 79550 | Oil & Gas Operator | Mar 2008 |
| 21544 | Patterson Petroleum, Inc. | Snyder, TX 79550 | Oil & Gas Operator | Feb 2000 |
| 21545 | Patterson Production Co. | Phillipsburg, KS 67661 | Oil Operator | Jul 1998 |
| 21546 | Patterson Resources, Inc. | | Oil & Gas Operator | Apr 1984 |
| 21547 | Patterson Russell B | Wewoka, OK 74884-1262 | Oil & Gas Operator | Feb 2020 |
| 21548 | Patterson, Ben M., Jr. | San Antonio, TX 78216 | Oil & Gas Operator | Mar 2003 |
| 21549 | Patterson, Dennis J. And Teresa | Wichita, KS 67230 | Oil Operator | May 2026 |
| 21550 | Patteson Brother | | Oil Operator | Feb 1990 |
| 21551 | Patteson Oil | | Oil Operator | Dec 2009 |
| 21552 | Patteson Oil, A General Partnership | Moline, KS 67353 | Oil Operator | Nov 2019 |
| 21553 | Patteson, Thomas Wade | Moline, KS 67353 | Oil Operator | May 2026 |
| 21554 | Patteson-Sheel O | | Oil Operator | Oct 1990 |
| 21555 | Pattie Creek Oil | | Oil Operator | May 1995 |
| 21556 | Pattie Creek Oil Company | Madison, KS 66860 | Oil Operator | Feb 2000 |
| 21557 | Patton Coleman Exploration Inc. | Abilene, TX 79604 | Oil & Gas Operator | Sep 2026 |
| 21558 | Patton Dale | Stillwater, OK 74074 | Oil & Gas Operator | Dec 2011 |
| 21559 | Patton Exploration, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Sep 2026 |
| 21560 | Patton Oil Compa | | Oil & Gas Operator | Nov 1994 |
| 21561 | Patton Oil Company | Midland, TX 79702 | Oil & Gas Operator | Jun 2007 |
| 21562 | Patton Oil Corp. | Corpus Chrsti, TX 78466 | Oil & Gas Operator | Aug 2003 |
| 21563 | Patton Operating Co. | Kilgore, TX 75663 | Oil & Gas Operator | Nov 1997 |
| 21564 | Patton, Donald L & Jerry | Electra, TX 76360 | Oil & Gas Operator | Aug 2007 |
| 21565 | Patton, E. N. Oil Company, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Sep 2026 |
| 21566 | Patton, Lloyd | Fort Worth, TX 76113 | Oil & Gas Operator | Aug 2003 |
| 21567 | Patton, Lloyd J Estate | Fort Worth, TX 76113 | Oil & Gas Operator | Aug 2003 |
| 21568 | Patty Creek Oil LLC | Emporia, KS 66801 | Oil Operator | May 2026 |
| 21569 | Paul Bowman Oil | | Oil Operator | Jul 2000 |
| 21570 | Paul Bowman Oil Trust | Codell, KS 67663 | Oil Operator | May 2026 |
| 21571 | Paul Burton LLC | Ardmore, OK 73401 | Oil & Gas Operator | Jul 2026 |
| 21572 | Paul E. Cameron, Jr., Inc. | | Oil & Gas Operator | May 2003 |
| 21573 | Paul Gillham Oil Company | Maud, OK 74854 | Oil & Gas Operator | Jun 2026 |
| 21574 | Paul Gowan-Miss. Ventures | | Gas Operator | Jan 1990 |
| 21575 | Paul Graham Drilling & Service Co. | | Oil & Gas Operator | Dec 2011 |
| 21576 | Paul Guido | | Oil Operator | Oct 1998 |
| 21577 | Paul J. Ross | | Oil Operator | Dec 1986 |
| 21578 | Paul M. Toce | | Oil & Gas Operator | Jul 1984 |
| 21579 | Paul M. Woodward | | Oil Operator | Dec 2025 |
| 21580 | Paul Rankin Inc. | | Oil & Gas Operator | Jun 2026 |
| 21581 | Pauley Oil | | Oil Operator | May 2026 |
| 21582 | Pauley, Joseph E | Spencer, WV 252768719 | Oil & Gas Operator | Dec 2021 |
| 21583 | Pauley, Ralph | Sod, WV 25564 | Oil & Gas Operator | Dec 2021 |
| 21584 | Paulico Resources, Inc. | | Oil & Gas Operator | Dec 2021 |
| 21585 | Pauls Valley Disposal LLC | Kingston, OK 73439-2130 | Oil Operator | Mar 2015 |
| 21586 | Paulsen Petroleu | | Oil Operator | Feb 1994 |
| 21587 | Pautsky, Jimmy | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2026 |
| 21588 | Pautsky, Jimmy Estate Of | Wichita Falls, TX 76308 | Oil Operator | Jan 2022 |
| 21589 | Pavlas Oil & Gas | Rockdale, TX 76567 | Oil & Gas Operator | Sep 2026 |
| 21590 | Paw Oil And Gas LTD | North Canton, OH 44720 | Oil & Gas Operator | Dec 2024 |
| 21591 | Pawnee Oil And Gas, Inc. | Richardson, TX 75083 | Oil & Gas Operator | May 2023 |
| 21592 | Pawnee Oil Corp. | | Oil Operator | May 2003 |
| 21593 | Pawnee Oil, LLC | Overland Park, KS 66221 | Oil Operator | Aug 2025 |
| 21594 | Pawnee Petroleum Company | Seminole, OK 74868-0951 | Oil & Gas Operator | Feb 2023 |
| 21595 | Pax Energy LLC | Oklahoma City, OK 73112-7371 | Oil Operator | Sep 2021 |
| 21596 | Pax Energy LTD | Elmhurst, IL 60126 | Oil & Gas Operator | Dec 1998 |
| 21597 | Pax Petroleum Corporation | La Jolla, CA 92037 | Oil & Gas Operator | Mar 2008 |
| 21598 | Paxco, Inc. | Hays, KS 67601 | Oil & Gas Operator | May 2026 |
| 21599 | Paxton Oil Company | | Oil & Gas Operator | Dec 2024 |
| 21600 | Paxton Petroleum, LTD. | | Oil & Gas Operator | May 1989 |