| 4401 | Patriot Petroleum Co LLC | Coppell, TX 75019-4216 | Oil & Gas Operator | Jan 2013 |
| 4402 | Patriot Petroleum Company | Bethany, OK 73008 | Oil & Gas Operator | Mar 2015 |
| 4403 | Patron Energy LLC | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2015 |
| 4404 | Patterson & Patterson Oil Co | Cushing, OK 74023 | Oil Operator | Aug 1995 |
| 4405 | Patterson Bobby Ray | Haskell, OK 74436-8809 | Oil & Gas Operator | Apr 2020 |
| 4406 | Patterson Eddy L | Tulsa, OK 74133 | Oil & Gas Operator | Feb 2022 |
| 4407 | Patterson George E | Ada, OK 74820-1108 | Oil & Gas Operator | Jul 2016 |
| 4408 | Patterson John H | Shawnee, OK 74801 | Oil Operator | Dec 2006 |
| 4409 | Patterson Oil Company, The | Eastland, TX 76448 | Oil & Gas Operator | Aug 2025 |
| 4410 | Patterson Russell B | Wewoka, OK 74884-1262 | Oil & Gas Operator | Feb 2020 |
| 4411 | Patton Dale | Stillwater, OK 74074 | Oil & Gas Operator | Dec 2011 |
| 4412 | Patton Oil Company | Midland, TX 79702 | Oil & Gas Operator | Jun 2007 |
| 4413 | Paul Burton LLC | Ardmore, OK 73401 | Oil & Gas Operator | Sep 2025 |
| 4414 | Paul Gillham Oil Company | Maud, OK 74854 | Oil & Gas Operator | Aug 2025 |
| 4415 | Pauls Valley Disposal LLC | Kingston, OK 73439-2130 | Oil Operator | Mar 2015 |
| 4416 | Pawnee Oil And Gas, Inc. | Richardson, TX 75083 | Oil & Gas Operator | May 2023 |
| 4417 | Pawnee Petroleum Company | Seminole, OK 74868-0951 | Oil & Gas Operator | Feb 2023 |
| 4418 | Pax Energy LLC | Oklahoma City, OK 73112-7371 | Oil Operator | Sep 2021 |
| 4419 | Payne Charlie D | Lawton, OK 73505 | Oil & Gas Operator | May 2001 |
| 4420 | Payne Exploration Company | Crescent, OK 73028 | Oil & Gas Operator | Aug 2025 |
| 4421 | Payne W C Family Trust | Oklahoma City, OK 73116-9044 | Oil & Gas Operator | Mar 2015 |
| 4422 | Payne, Frank O | | Oil Operator | Aug 1999 |
| 4423 | Payneco Pipeline Company | Yale, OK 74085 | Oil & Gas Operator | Dec 2000 |
| 4424 | Payrock Energy LLC | Oklahoma City, OK 73134-2612 | Oil & Gas Operator | Feb 2023 |
| 4425 | Paystone Oil Corporation | Tulsa, OK 74105 | Oil Operator | Mar 2009 |
| 4426 | PBT Enterprises Inc | Garber, OK 73738 | Oil & Gas Operator | May 2023 |
| 4427 | PCL Energy LLC | Seminole, OK 74868 | Oil & Gas Operator | Aug 2025 |
| 4428 | PDG Production LLC | Stroud, OK 74079 | Oil & Gas Operator | Sep 2025 |
| 4429 | Pe - Osage, LLC | | Oil Operator | Aug 2025 |
| 4430 | Peachridge Energy Operating LLC | Houston, TX 77024-2246 | Oil & Gas Operator | Sep 2025 |
| 4431 | Peak Operating Oil & Gas LLC | Wichita, KS 67226 | Oil & Gas Operator | Aug 2025 |
| 4432 | Pearl Oil Company | Nichols Hills, OK 73120-1408 | Oil & Gas Operator | Nov 2023 |
| 4433 | Pearl Petroleum Inc | Lawton, OK 73501-5821 | Oil & Gas Operator | Jan 2014 |
| 4434 | Pearsall Jarrett | Delaware, OK 74027-1065 | Oil Operator | Aug 2025 |
| 4435 | Pease George W Jr | Fairfax, OK 74637 | Oil & Gas Operator | Mar 1998 |
| 4436 | Pedco Inc | | Oil & Gas Operator | Nov 1997 |
| 4437 | Pedestal Oil Company Inc | Oklahoma City, OK 73101-1522 | Oil & Gas Operator | May 2019 |
| 4438 | Pedocs Inc | Bixby, OK 74008 | Oil & Gas Operator | Aug 2025 |
| 4439 | Pegasus Energy Corporation | Oklahoma City, OK 73162 | Oil & Gas Operator | Mar 2015 |
| 4440 | Pegg Oil LLC | Allen, OK 74825-4900 | Oil Operator | Aug 2022 |
| 4441 | Pekrul Jeffrey S | Bristow, OK 74010 | Gas Operator | Sep 2025 |
| 4442 | Pelican Dome Exploration Inc. | Harahan, LA 70123 | Oil & Gas Operator | Aug 2000 |
| 4443 | Pelican Production Company | New Orleans, LA 70130-2477 | Oil & Gas Operator | Mar 2014 |
| 4444 | Pelto Oil Company | Houston, TX 77002 | Oil & Gas Operator | Nov 1998 |
| 4445 | Pemco LLC | Skiatook, OK 74070 | Oil Operator | Jul 2025 |
| 4446 | Pemex Inc | Dallas, TX 75367-0249 | Oil & Gas Operator | Nov 2015 |
| 4447 | Penequine Ranch | | Gas Operator | Sep 2019 |
| 4448 | Pengo Petroleum Inc | | Oil & Gas Operator | Dec 2013 |
| 4449 | Penn Homa Oil & Gas Co | Edmond, OK 73083 | Oil & Gas Operator | Oct 2013 |
| 4450 | Penn Production Company Inc | | Oil & Gas Operator | Nov 2014 |
| 4451 | Penn VIrginia MC Operating Co LLC | Houston, TX 77084-7213 | Oil & Gas Operator | Sep 2025 |
| 4452 | Penn VIrginia Oil & Gas Corp | Houston, TX 77024 | Oil & Gas Operator | Dec 2023 |
| 4453 | Pennant Energy LLC | Oklahoma City, OK 73116 | Oil Operator | Dec 2024 |
| 4454 | Pennant Oil & Gas LLC | Oklahma City, OK 73159-6905 | Oil & Gas Operator | Jan 2024 |
| 4455 | Penner Energy Inc | Oklahoma City, OK 73120-1930 | Oil & Gas Operator | Sep 2025 |
| 4456 | Pennmark Resources Company | Edmond, OK 73013 | Oil & Gas Operator | Aug 2025 |
| 4457 | Penntex Resources, L.P. | State College, PA 16803 | Oil & Gas Operator | Mar 2016 |
| 4458 | Pennzoil Company | Midland, TX 79710-0090 | Oil & Gas Operator | Mar 2000 |
| 4459 | Pennzoil Explor & Prod Co | Houston, TX 77002 | Oil & Gas Operator | Mar 2000 |
| 4460 | Pennzoil Petroleum Company | Houston, TX 77252 | Oil & Gas Operator | Nov 1999 |
| 4461 | Peoples Bank & Trust Company | McPherson, KS 67460 | Oil Operator | Jan 2013 |
| 4462 | Pepin Oil Co | Stillwater, OK 74076 | Oil & Gas Operator | Oct 2013 |
| 4463 | Pepin Operating Company Inc | Stillwater, OK 74075-9535 | Oil & Gas Operator | May 2009 |
| 4464 | Peregrine Petroleum Corp | Oklahoma City, OK 73116-7639 | Oil & Gas Operator | May 2020 |
| 4465 | Performance Energy Partners LLC | Barnsdall, OK 74002-0628 | Oil & Gas Operator | Oct 2024 |
| 4466 | Performance Operating Company LLC | Barnsdall, OK 74002 | Oil & Gas Operator | Aug 2025 |
| 4467 | Performance Petroleum Company LLC | Barnsdall, OK 74002 | Oil & Gas Operator | Aug 2025 |
| 4468 | Perkins Energy Company | Duncan, OK 73533-3853 | Oil & Gas Operator | Sep 2025 |
| 4469 | Perkins Mike | Velma, OK 73091 | Oil & Gas Operator | Jan 2006 |
| 4470 | Perkins Nova | Atwood, OK 74827-9738 | Oil Operator | Feb 2014 |
| 4471 | Perkins Production Company Inc | Seminole, OK 74868 | Oil & Gas Operator | May 2006 |
| 4472 | Perkins, Bobby R | | Oil Operator | Mar 2017 |
| 4473 | Perkins, Earl | | Oil & Gas Operator | Aug 2013 |
| 4474 | Permian Roustabout & Oilfield Services LLC | Blanchard, OK 73010 | Oil & Gas Operator | Feb 2024 |
| 4475 | Permian West Corp. | Odessa, TX 79762 | Oil & Gas Operator | Dec 2025 |
| 4476 | Perrin, Mary L | | Oil & Gas Operator | Oct 2005 |
| 4477 | Perry L Larson Operating Co | Dallas, TX 75231-4712 | Oil & Gas Operator | Aug 2025 |
| 4478 | Perry Production Company Inc | Perry, OK 73077-0412 | Oil & Gas Operator | May 2006 |
| 4479 | Pertex Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Jul 1996 |
| 4480 | Pet-Ex Inc | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2025 |
| 4481 | Petco Petroleum Corp | Hinsdale, IL 60521 | Oil & Gas Operator | Aug 2025 |
| 4482 | Petra Petroleum Inc | Littleton, CO 80160-0319 | Oil & Gas Operator | Jun 2005 |
| 4483 | Petra Petroleum Management LLC | Hotchkiss, CO 81419-0369 | Gas Operator | Sep 2014 |
| 4484 | Petro Davis Inc | Oklahoma City, OK 73142-1807 | Oil & Gas Operator | Jan 2013 |
| 4485 | Petro Energy Inc | Farmington, NM 87499 | Oil & Gas Operator | Jul 2025 |
| 4486 | Petro Oilfield Equipment Inc | Drumright, OK 74030-1233 | Oil & Gas Operator | Dec 2010 |
| 4487 | Petro Speed Inc | Norman, OK 73069-8116 | Oil & Gas Operator | Mar 2015 |
| 4488 | Petro Warrior LLC | Wichita, KS 67206 | Oil & Gas Operator | Sep 2025 |
| 4489 | Petro-Chase Energy Corp | Oklahoma City, OK 73135-6205 | Oil & Gas Operator | Jan 2007 |
| 4490 | Petro-Guard Company, Inc. | Houston, TX 77057 | Oil & Gas Operator | Nov 2014 |
| 4491 | Petro-Haley | Borger, TX 79008 | Oil & Gas Operator | Dec 2025 |
| 4492 | Petro-Hunt Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2003 |
| 4493 | Petro-Lewis Corp. | | Oil & Gas Operator | Feb 1994 |
| 4494 | Petro-Mac Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Aug 2025 |
| 4495 | Petro-Management Assoc., Inc. | Edmond, OK 73083-2346 | Oil & Gas Operator | Jun 2007 |
| 4496 | Petro-Met Energy LLC | Edmond, OK 73034-1237 | Oil Operator | Aug 2025 |
| 4497 | Petro-X Corporation | Houston, TX 77092 | Oil & Gas Operator | Jul 2002 |
| 4498 | Petrocorp Incorporated | Tulsa, OK 74170 | Oil & Gas Operator | Nov 2021 |
| 4499 | Petroda Oil & Gas LLC | Edmond, OK 73054 | Oil & Gas Operator | Feb 2023 |
| 4500 | Petroflow Energy Corporation | Tulsa, OK 74119-5405 | Oil & Gas Operator | Oct 2016 |