| 4401 | Parker Joe | Talala, OK 74080-3556 | Oil & Gas Operator | Dec 2012 |
| 4402 | Parker Shirley M | Tulsa, OK 74136 | Oil Operator | Jun 2013 |
| 4403 | Parkinsol Oil Company | Seminole, OK 74868-1648 | Oil & Gas Operator | Oct 2014 |
| 4404 | Parks Bill M | Seminole, OK 74818-1648 | Oil & Gas Operator | Apr 2014 |
| 4405 | Parks Jack Concrete Co | Hominy, OK 74035 | Oil Operator | Aug 2025 |
| 4406 | Parks James L | Edmond, OK 73034 | Oil & Gas Operator | Aug 2005 |
| 4407 | Parks Tex M Trust | Dallas, TX 75220-3864 | Oil Operator | Aug 2017 |
| 4408 | Parkway Petroleum, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Jul 1997 |
| 4409 | Parrish Jr W F | Ardmore, OK 73401-2941 | Oil & Gas Operator | Feb 2025 |
| 4410 | Parsage Oil Company, L.L.C. | | Oil & Gas Operator | Dec 2025 |
| 4411 | Parsons Engineering Corporation | Tulsa, OK 74137-7505 | Oil & Gas Operator | Oct 2017 |
| 4412 | Partners Oil Company | Tulsa, OK 74135 | Oil & Gas Operator | Aug 1995 |
| 4413 | Parwest Land Exploration Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 2025 |
| 4414 | Pasco Oil Company | Oklahoma City, OK 73172-0454 | Oil & Gas Operator | Aug 2000 |
| 4415 | Passmore Robert W | Ada, OK 74820-5501 | Oil & Gas Operator | May 2022 |
| 4416 | Patco Investments Inc | Seminole, OK 74868 | Oil Operator | Nov 2007 |
| 4417 | Pathfinder Exploration LLC | Norman, OK 73069-8516 | Gas Operator | Aug 2003 |
| 4418 | Patina Oil & Gas Corporation | Denver, CO 80202 | Oil & Gas Operator | May 2016 |
| 4419 | Patina Oklahoma Corp | Duncan, OK 73533-9523 | Oil & Gas Operator | Nov 2014 |
| 4420 | Patrick Exploration Company | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2011 |
| 4421 | Patrick Petroleum Co. | Jackson, MI 49201 | Oil & Gas Operator | Nov 1993 |
| 4422 | Patrick R J & Jack H Vaughn | Oklahoma City, OK 73154 | Oil & Gas Operator | Feb 2002 |
| 4423 | Patrick RJ Operating Co | Liberal, KS 67905-1157 | Oil & Gas Operator | Nov 2014 |
| 4424 | Patriot Petroleum Co LLC | Coppell, TX 75019-4216 | Oil & Gas Operator | Jan 2013 |
| 4425 | Patriot Petroleum Company | Bethany, OK 73008 | Oil & Gas Operator | Mar 2015 |
| 4426 | Patron Energy LLC | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2015 |
| 4427 | Patterson & Patterson Oil Co | Cushing, OK 74023 | Oil Operator | Aug 1995 |
| 4428 | Patterson Bobby Ray | Haskell, OK 74436-8809 | Oil & Gas Operator | Apr 2020 |
| 4429 | Patterson Eddy L | Tulsa, OK 74133 | Oil & Gas Operator | Feb 2022 |
| 4430 | Patterson George E | Ada, OK 74820-1108 | Oil & Gas Operator | Jul 2016 |
| 4431 | Patterson John H | Shawnee, OK 74801 | Oil Operator | Dec 2006 |
| 4432 | Patterson Oil Company, The | Eastland, TX 76448 | Oil & Gas Operator | Dec 2025 |
| 4433 | Patterson Russell B | Wewoka, OK 74884-1262 | Oil & Gas Operator | Feb 2020 |
| 4434 | Patton Dale | Stillwater, OK 74074 | Oil & Gas Operator | Dec 2011 |
| 4435 | Patton Oil Company | Midland, TX 79702 | Oil & Gas Operator | Jun 2007 |
| 4436 | Paul Burton LLC | Ardmore, OK 73401 | Oil & Gas Operator | Jan 2026 |
| 4437 | Paul Gillham Oil Company | Maud, OK 74854 | Oil & Gas Operator | Dec 2025 |
| 4438 | Pauls Valley Disposal LLC | Kingston, OK 73439-2130 | Oil Operator | Mar 2015 |
| 4439 | Pawnee Oil And Gas, Inc. | Richardson, TX 75083 | Oil & Gas Operator | May 2023 |
| 4440 | Pawnee Petroleum Company | Seminole, OK 74868-0951 | Oil & Gas Operator | Feb 2023 |
| 4441 | Pax Energy LLC | Oklahoma City, OK 73112-7371 | Oil Operator | Sep 2021 |
| 4442 | Payne Charlie D | Lawton, OK 73505 | Oil & Gas Operator | May 2001 |
| 4443 | Payne Exploration Company | Crescent, OK 73028 | Oil & Gas Operator | Dec 2025 |
| 4444 | Payne W C Family Trust | Oklahoma City, OK 73116-9044 | Oil & Gas Operator | Mar 2015 |
| 4445 | Payne, Frank O | | Oil Operator | Aug 1999 |
| 4446 | Payneco Pipeline Company | Yale, OK 74085 | Oil & Gas Operator | Dec 2000 |
| 4447 | Payrock Energy LLC | Oklahoma City, OK 73134-2612 | Oil & Gas Operator | Feb 2023 |
| 4448 | Paystone Oil Corporation | Tulsa, OK 74105 | Oil Operator | Mar 2009 |
| 4449 | PBT Enterprises Inc | Garber, OK 73738 | Oil & Gas Operator | Jun 2023 |
| 4450 | PCL Energy LLC | Seminole, OK 74868 | Oil & Gas Operator | Dec 2025 |
| 4451 | PDG Production LLC | Stroud, OK 74079 | Oil & Gas Operator | Jan 2026 |
| 4452 | Pe - Osage, LLC | | Oil Operator | Dec 2025 |
| 4453 | Peachridge Energy Operating LLC | Houston, TX 77024-2246 | Oil & Gas Operator | Jan 2026 |
| 4454 | Peak Operating Oil & Gas LLC | Wichita, KS 67226 | Oil & Gas Operator | Dec 2025 |
| 4455 | Pearl Oil Company | Nichols Hills, OK 73120-1408 | Oil & Gas Operator | Nov 2023 |
| 4456 | Pearl Petroleum Inc | Lawton, OK 73501-5821 | Oil & Gas Operator | Jan 2014 |
| 4457 | Pearsall Jarrett | Delaware, OK 74027-1065 | Oil Operator | Dec 2025 |
| 4458 | Pease George W Jr | Fairfax, OK 74637 | Oil & Gas Operator | Mar 1998 |
| 4459 | Pedco Inc | | Oil & Gas Operator | Nov 1997 |
| 4460 | Pedestal Oil Company Inc | Oklahoma City, OK 73101-1522 | Oil & Gas Operator | May 2019 |
| 4461 | Pedocs Inc | Bixby, OK 74008 | Oil & Gas Operator | Nov 2025 |
| 4462 | Pegasus Energy Corporation | Oklahoma City, OK 73162 | Oil & Gas Operator | Mar 2015 |
| 4463 | Pegg Oil LLC | Allen, OK 74825-4900 | Oil Operator | Aug 2022 |
| 4464 | Pelican Dome Exploration Inc. | Harahan, LA 70123 | Oil & Gas Operator | Aug 2000 |
| 4465 | Pelican Production Company | New Orleans, LA 70130-2477 | Oil & Gas Operator | Mar 2014 |
| 4466 | Pelto Oil Company | Houston, TX 77002 | Oil & Gas Operator | Nov 1998 |
| 4467 | Pemco LLC | Skiatook, OK 74070 | Oil Operator | Dec 2025 |
| 4468 | Pemex Inc | Dallas, TX 75367-0249 | Oil & Gas Operator | Nov 2015 |
| 4469 | Penequine Ranch | | Gas Operator | Sep 2019 |
| 4470 | Pengo Petroleum Inc | | Oil & Gas Operator | Dec 2013 |
| 4471 | Penn Homa Oil & Gas Co | Edmond, OK 73083 | Oil & Gas Operator | Oct 2013 |
| 4472 | Penn Production Company Inc | | Oil & Gas Operator | Nov 2014 |
| 4473 | Penn VIrginia MC Operating Co LLC | Houston, TX 77084-7213 | Oil & Gas Operator | Sep 2025 |
| 4474 | Penn VIrginia Oil & Gas Corp | Houston, TX 77024 | Oil & Gas Operator | Dec 2023 |
| 4475 | Pennant Energy LLC | Oklahoma City, OK 73116 | Oil Operator | Dec 2024 |
| 4476 | Pennant Oil & Gas LLC | Oklahma City, OK 73159-6905 | Oil & Gas Operator | Jan 2024 |
| 4477 | Penner Energy Inc | Oklahoma City, OK 73120-1930 | Oil & Gas Operator | Jan 2026 |
| 4478 | Pennmark Resources Company | Edmond, OK 73013 | Oil & Gas Operator | Dec 2025 |
| 4479 | Penntex Resources, L.P. | State College, PA 16803 | Oil & Gas Operator | Mar 2016 |
| 4480 | Pennzoil Company | Midland, TX 79710-0090 | Oil & Gas Operator | Mar 2000 |
| 4481 | Pennzoil Explor & Prod Co | Houston, TX 77002 | Oil & Gas Operator | Mar 2000 |
| 4482 | Pennzoil Petroleum Company | Houston, TX 77252 | Oil & Gas Operator | Nov 1999 |
| 4483 | Peoples Bank & Trust Company | McPherson, KS 67460 | Oil Operator | Jan 2013 |
| 4484 | Pepin Oil Co | Stillwater, OK 74076 | Oil & Gas Operator | Oct 2013 |
| 4485 | Pepin Operating Company Inc | Stillwater, OK 74075-9535 | Oil & Gas Operator | May 2009 |
| 4486 | Peregrine Petroleum Corp | Oklahoma City, OK 73116-7639 | Oil & Gas Operator | May 2020 |
| 4487 | Performance Energy Partners LLC | Barnsdall, OK 74002-0628 | Oil & Gas Operator | Sep 2025 |
| 4488 | Performance Operating Company LLC | Barnsdall, OK 74002 | Oil & Gas Operator | Dec 2025 |
| 4489 | Performance Petroleum Company LLC | Barnsdall, OK 74002 | Oil & Gas Operator | Dec 2025 |
| 4490 | Perkins Energy Company | Duncan, OK 73533-3853 | Oil & Gas Operator | Dec 2025 |
| 4491 | Perkins Mike | Velma, OK 73091 | Oil & Gas Operator | Jan 2006 |
| 4492 | Perkins Nova | Atwood, OK 74827-9738 | Oil Operator | Feb 2014 |
| 4493 | Perkins Production Company Inc | Seminole, OK 74868 | Oil & Gas Operator | May 2006 |
| 4494 | Perkins, Bobby R | | Oil Operator | Mar 2017 |
| 4495 | Perkins, Earl | | Oil & Gas Operator | Aug 2013 |
| 4496 | Permian Roustabout & Oilfield Services LLC | Blanchard, OK 73010 | Oil & Gas Operator | Feb 2024 |
| 4497 | Permian West Corp. | Odessa, TX 79762 | Oil & Gas Operator | Mar 2026 |
| 4498 | Perrin, Mary L | | Oil & Gas Operator | Oct 2005 |
| 4499 | Perry L Larson Operating Co | Dallas, TX 75231-4712 | Oil & Gas Operator | Dec 2025 |
| 4500 | Perry Production Company Inc | Perry, OK 73077-0412 | Oil & Gas Operator | May 2006 |