| 4601 | Pioneer Resources Prod LP | Irving, TX 75039-3745 | Oil & Gas Operator | Feb 2005 |
| 4602 | Pioneer Trucking, LLC | | Oil Operator | Jan 2026 |
| 4603 | Piper Operating LLC | Stigler, OK 74462 | Oil & Gas Operator | Dec 2025 |
| 4604 | Pitco Production Company | Tulsa, OK 74170-2320 | Oil & Gas Operator | May 2013 |
| 4605 | Pitcock, Inc. | Graham, TX 76450 | Oil & Gas Operator | Mar 2026 |
| 4606 | Pittencrieff America Inc | Abilene, TX 79608 | Oil & Gas Operator | Feb 2003 |
| 4607 | Pittman-Allen Operating LLC | Oklahoma City, OK 73122-1105 | Gas Operator | Feb 2016 |
| 4608 | Pixley Carlis D | Marlow, OK 73055 | Oil & Gas Operator | Sep 1999 |
| 4609 | Plains Oil & Gas | Cushing, OK 74023-4819 | Oil & Gas Operator | Jan 2019 |
| 4610 | Plains Petroleum Operating Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2014 |
| 4611 | Plains Production Inc | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1995 |
| 4612 | Plains Resources Inc. | Houston, TX 77002 | Oil & Gas Operator | Jul 2008 |
| 4613 | Plainsmen Energy LLC | Enid, OK 73703-5747 | Oil & Gas Operator | Jan 2026 |
| 4614 | Plano Petroleum LLC | Plano, TX 75093-8773 | Oil & Gas Operator | Apr 2013 |
| 4615 | Plenergy Dev LTD | | Oil & Gas Operator | Jun 2004 |
| 4616 | Pletcher Oil Limited Liability Company | Ardmore, OK 73401 | Oil & Gas Operator | Dec 2025 |
| 4617 | Plo Inc | Amarillo, TX 79109-6222 | Gas Operator | Mar 2015 |
| 4618 | Plotner Oil Company | Oklahoma City, OK 73122 | Oil & Gas Operator | Jan 2026 |
| 4619 | Plotner Ralph Oil & Gas Inv Co | Oklahoma City, OK 73112 | Oil & Gas Operator | Nov 2021 |
| 4620 | Plumb Resources, Inc. | Houston, TX 77096 | Oil & Gas Operator | Jun 1998 |
| 4621 | Plummer Energy Inc | Pauls Valley, OK 73075-8663 | Oil & Gas Operator | Nov 2016 |
| 4622 | Plymouth Exploration LLC | Tulsa, OK 74119-1031 | Oil & Gas Operator | Jan 2026 |
| 4623 | PM Oil & Gas, Inc. | San Angelo, TX 76903 | Oil Operator | Mar 2026 |
| 4624 | PMD Oil Recovery LLC | Perry, OK 73077 | Oil & Gas Operator | Jan 2026 |
| 4625 | Poblano Energy LLC | Houston, TX 77024-2217 | Oil & Gas Operator | Dec 2025 |
| 4626 | Pogo Panhandle 2004, L.P. | Houston, TX 77002 | Oil & Gas Operator | Oct 2017 |
| 4627 | Pogo Producing Company LLC | Houston, TX 77002 | Oil & Gas Operator | Jan 2026 |
| 4628 | Pogue Randall | Ada, OK 74821-1547 | Oil & Gas Operator | Apr 2014 |
| 4629 | Polaris Energy Dev Co | Tulsa, OK 74135 | Oil & Gas Operator | Apr 2000 |
| 4630 | Polaris Petroleum Operations LLC | Branson West, MO 65737 | Oil & Gas Operator | May 2019 |
| 4631 | Pole Cat Oil Company | Sapulpa, OK 74067 | Oil Operator | Dec 2025 |
| 4632 | Pollard Jr G W | Okmulgee, OK 74447 | Oil & Gas Operator | Apr 2015 |
| 4633 | Pollok Energy LLC | Tulsa, OK 74159 | Oil & Gas Operator | Jan 2026 |
| 4634 | Polo Operating Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | May 2006 |
| 4635 | Ponder Oil Producers LLC | Okemah, OK 74859 | Oil & Gas Operator | Sep 2025 |
| 4636 | Pontotoc Operations Inc | Dallas, TX 75225-1425 | Oil & Gas Operator | Jun 2017 |
| 4637 | Pool, Lloyd Operating | Sandia Park, NM 87047 | Gas Operator | Dec 2013 |
| 4638 | Poorboy Oil Inc | Velma, OK 73491 | Oil & Gas Operator | Jul 2022 |
| 4639 | Pope Charles Edward | Morris, OK 74445 | Oil & Gas Operator | Mar 2023 |
| 4640 | Pope Oil LLC | Morris, OK 74445 | Oil Operator | Dec 2025 |
| 4641 | Pope Ted & Karen Dba MP Operating | Bristow, OK 74010 | Oil Operator | Jan 2026 |
| 4642 | Portal Energy Corporation | Dallas, TX 75201 | Oil & Gas Operator | Mar 1993 |
| 4643 | Porter John B | Ketchum, OK 74349-0207 | Oil & Gas Operator | May 2000 |
| 4644 | Porter John E "Gene" | Cushing, OK 74023 | Oil & Gas Operator | Aug 2000 |
| 4645 | Porter Oil And Gas Inc | Fort Smith, AR 72903-6906 | Oil & Gas Operator | Nov 2025 |
| 4646 | Porter Tom & John | Boynton, OK 74422 | Oil & Gas Operator | Dec 2025 |
| 4647 | Portfolio Oil Corporation | Oklahoma City, OK 73119 | Oil & Gas Operator | May 2013 |
| 4648 | Positive Energy LLC | Ada, OK 74820 | Oil & Gas Operator | Dec 2025 |
| 4649 | Post Oak Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Jul 2013 |
| 4650 | Post Petroleum Company | Oklahoma City, OK 73116 | Oil & Gas Operator | Aug 2013 |
| 4651 | Postrock Midcontinent Production LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Dec 2025 |
| 4652 | Potter Hammill & Potter Inc. | Beggs, OK 74421-0038 | Oil Operator | Aug 2013 |
| 4653 | Potter J And D Oil LLC | Kingfisher, OK 73750-3832 | Oil & Gas Operator | Mar 2015 |
| 4654 | Potter Tom Estate | | Oil Operator | Dec 2014 |
| 4655 | Potts Exploration LLC | Oklahoma City, OK 73114 | Gas Operator | Jan 2016 |
| 4656 | Pound Robert M | Bristow, OK 74010 | Oil & Gas Operator | Sep 2014 |
| 4657 | Powell James S | Cleveland, OK 74020 | Oil Operator | Dec 2025 |
| 4658 | Powell Jess L | Sapulpa, OK 74066 | Oil & Gas Operator | Dec 2025 |
| 4659 | Powell Oil | Healdton, OK 73438-4463 | Oil & Gas Operator | Dec 2025 |
| 4660 | Power Fuel Producers Inc | Keller, TX 76244-1059 | Oil & Gas Operator | Sep 2001 |
| 4661 | Powerline Energy Corporation | Arlington, TX 76015 | Oil & Gas Operator | Mar 2026 |
| 4662 | Powers Energy Inc | Denver, CO 80237-1926 | Oil & Gas Operator | Aug 1999 |
| 4663 | PPP Petroleum LP | Dallas, TX 75201-1585 | Oil & Gas Operator | Dec 2025 |
| 4664 | Prairie Exploration Company | Norman, OK 73072 | Oil & Gas Operator | Mar 2011 |
| 4665 | Prairie Wind Oil LLC | Blackwell, OK 74647-7242 | Oil & Gas Operator | Nov 2025 |
| 4666 | Prairiedale Energy Inc | Duncan, OK 73533-3657 | Oil & Gas Operator | Dec 2025 |
| 4667 | PRDJ Cockrum Enterprises, Inc. | Okemah, OK 74859-5126 | Oil & Gas Operator | Mar 2022 |
| 4668 | Pre-MC Inc | Allen, OK 74825 | Oil & Gas Operator | Dec 2025 |
| 4669 | Precision Operating Inc. | Richardson, TX 75080 | Oil & Gas Operator | Jul 2014 |
| 4670 | Pregler Oil Company LLC | Tulsa, OK 74119 | Oil & Gas Operator | Jan 2026 |
| 4671 | Premier Gas Company LLC | Durant, OK 74701 | Oil Operator | Dec 2025 |
| 4672 | Premier Oil & Gas LLC | Blanchard, OK 73010-2010 | Oil Operator | Dec 2022 |
| 4673 | Premier Resources LTD | Denver, CO 80237 | Oil & Gas Operator | Jul 2002 |
| 4674 | Prenalta Corporation | Terrytown, NY 10591 | Oil & Gas Operator | Jan 1997 |
| 4675 | Prentice Benny P | Allen, OK 74825-0247 | Oil & Gas Operator | Feb 2007 |
| 4676 | Prentice Bradley L | Allen, OK 74825 | Oil & Gas Operator | Dec 2025 |
| 4677 | Prentice Bro Oil Operators | Allen, OK 74825 | Oil & Gas Operator | Apr 2014 |
| 4678 | Prentice Ed | Allen, OK 74825 | Oil & Gas Operator | Dec 2025 |
| 4679 | Prentice, Napier & Green, Inc. | Oklahoma City, OK 73142 | Oil & Gas Operator | Jan 2026 |
| 4680 | Presco Inc | The Woodlands, TX 77380 | Oil & Gas Operator | Oct 2020 |
| 4681 | Presidio Energy Inc | | Oil & Gas Operator | Jan 1992 |
| 4682 | Presidio Petroleum LLC | Canadian, TX 79014 | Oil & Gas Operator | Mar 2026 |
| 4683 | Presley Operating LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Dec 2025 |
| 4684 | Presley Petroleum Company | Newport Beach, CA 92658-2200 | Oil & Gas Operator | Oct 1999 |
| 4685 | Pressure Pumping Services LLC | Blackwell, OK 74631-2466 | Oil & Gas Operator | Dec 2025 |
| 4686 | Preston Carter Oil Company | Davis, OK 73030 | Oil & Gas Operator | Dec 2025 |
| 4687 | Preston Oil Co | Woodlands, TX 77380 | Oil & Gas Operator | Dec 2009 |
| 4688 | Pri Producing Inc | Houston, TX 77002 | Oil & Gas Operator | Jan 2006 |
| 4689 | Priam Operating Company | Tulsa, OK 74114 | Oil & Gas Operator | Jul 2022 |
| 4690 | Price Brothers Oil Co | Duncan, OK 73533 | Oil Operator | Feb 1996 |
| 4691 | Price J R Inc | Addington, OK 73520-0099 | Oil & Gas Operator | Apr 2015 |
| 4692 | Price Operating Company Inc | Nowata, OK 74048 | Oil & Gas Operator | Mar 2020 |
| 4693 | Price, W. H. | Granbury, TX 76048 | Oil & Gas Operator | Jun 2024 |
| 4694 | Pricor-TRC Corporation | Mounds, OK 74047 | Oil & Gas Operator | May 2013 |
| 4695 | Pride Energy Company | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2026 |
| 4696 | Primary Fuels Inc | Midland, TX 79701-4410 | Oil & Gas Operator | Mar 1991 |
| 4697 | Primary Natural Resources III LLC | Tulsa, OK 74136-6351 | Oil & Gas Operator | Dec 2025 |
| 4698 | Primary Natural Resources Inc. | Tulsa, OK 74136-6351 | Oil & Gas Operator | Mar 2023 |
| 4699 | Primary Natural Resources IV LLC | Tulsa, OK 74136-6351 | Oil & Gas Operator | Sep 2017 |
| 4700 | Prime Energy Corp | Charleston, WV 25301-1707 | Oil & Gas Operator | Sep 2015 |