| 4701 | Petrogulf Corporation | Denver, CO 80202 | Oil & Gas Operator | Apr 2025 |
| 4702 | Petrohawk Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2021 |
| 4703 | Petrojen Production Company Inc | Bakersfield, CA 93311 | Oil Operator | Dec 2024 |
| 4704 | Petrolanic Inc | Tulsa, OK 74105 | Oil Operator | Oct 1991 |
| 4705 | Petroleum Capital, L.C. | Dallas, TX 75367 | Oil & Gas Operator | Apr 2025 |
| 4706 | Petroleum Corporation Of Texas | Breckenridge, TX 76024 | Oil & Gas Operator | May 2002 |
| 4707 | Petroleum Development Company | Tulsa, OK 74103 | Oil & Gas Operator | Jan 2025 |
| 4708 | Petroleum Explo Prod Inc | Oilton, OK 74052 | Oil & Gas Operator | Jan 2017 |
| 4709 | Petroleum Exploration Company LTD LP | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2025 |
| 4710 | Petroleum Inc | Wichita, KS 67202 | Oil & Gas Operator | Oct 2021 |
| 4711 | Petroleum International, Inc. | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2000 |
| 4712 | Petroleum Investment Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Nov 1998 |
| 4713 | Petroleum Management Prof Inc | Oklahoma City, OK 73120-1848 | Oil & Gas Operator | Apr 2009 |
| 4714 | Petroleum Management, Inc. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Apr 2025 |
| 4715 | Petroleum Production MGMT., Inc. | Kansas City, MO 64112 | Oil & Gas Operator | Apr 2025 |
| 4716 | Petroleum Properties Co Inc | Tulsa, OK 74132-4010 | Oil & Gas Operator | Sep 2012 |
| 4717 | Petroleum Properties MGMT. Co. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2014 |
| 4718 | Petroleum Reserve Corporation | Plymouth MTNG, PA 19462 | Oil & Gas Operator | May 2008 |
| 4719 | Petroleum Resources Co | Wichita, KS 67206 | Oil & Gas Operator | May 2000 |
| 4720 | Petrolia Drilling Corporation | | Oil & Gas Operator | Jul 2003 |
| 4721 | Petrolia Energy Corporation | Pearland, TX 77581 | Oil Operator | Jan 2024 |
| 4722 | Petromark Energy LLC | Oklahoma City, OK 73116-7634 | Oil & Gas Operator | Jun 2000 |
| 4723 | Petromark Exploration Company | | Oil & Gas Operator | Nov 2001 |
| 4724 | Petromark Resources Company | Tulsa, OK 74136 | Oil & Gas Operator | Sep 1993 |
| 4725 | Petromerica Operating LLC | Oklahoma City, OK 73102-4613 | Oil Operator | Jan 2025 |
| 4726 | Petron Energy Inc | Dallas, TX 75252 | Oil & Gas Operator | Apr 2025 |
| 4727 | Petron Oil Company | Missouri City, TX 77489 | Oil & Gas Operator | Apr 2025 |
| 4728 | Petroquest Energy, L.L.C. | Lafayette, LA 70505 | Oil & Gas Operator | Apr 2025 |
| 4729 | Petroquest Oil & Gas LLC | Wewoka, OK 74884 | Oil & Gas Operator | Jan 2025 |
| 4730 | Petrosearch Operating Co, LLC | Denver, CO 80202 | Oil & Gas Operator | Apr 2025 |
| 4731 | Petrotex, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Aug 2003 |
| 4732 | Petrowater Solutions LLC | Oklahoma City, OK 73102-5643 | Oil Operator | Aug 2016 |
| 4733 | Pettit Charles Oil Company | Okmulgee, OK 74447-4226 | Oil & Gas Operator | Sep 2018 |
| 4734 | Pharoah Bob | Maysville, OK 73057 | Oil & Gas Operator | Jul 1994 |
| 4735 | Phase III Drilling Inc | Wetumka, OK 74883-0333 | Oil & Gas Operator | Jan 2025 |
| 4736 | PHD Oil & Gas Inc | Rush Springs, OK 73082-0218 | Oil & Gas Operator | May 2021 |
| 4737 | Pheldon Oil Production Inc | Asher, OK 74826-2629 | Oil & Gas Operator | Dec 2024 |
| 4738 | Philco Energy Inc | Lamesa, TX 79331 | Oil & Gas Operator | Mar 2015 |
| 4739 | Philcon Development Co. | Amarillo, TX 79101 | Oil & Gas Operator | Sep 2014 |
| 4740 | Phillips 66 Company | Bartlesville, OK 74004 | Oil & Gas Operator | Aug 1997 |
| 4741 | Phillips Jr N J | Seminole, OK 74868-2828 | Oil Operator | Jul 1998 |
| 4742 | Phillips Oil Operating Co | Enid, OK 73703-4921 | Oil & Gas Operator | May 2019 |
| 4743 | Phillips Operating Co. | Mineral Wells, TX 76067 | Oil & Gas Operator | Jan 2013 |
| 4744 | Phillips, Warren P | | Oil & Gas Operator | Apr 2011 |
| 4745 | Philpot Operating Company Inc | Ada, OK 74820-4457 | Oil & Gas Operator | May 2013 |
| 4746 | Phoenix Hydrocarbons Operating Co | Midland, TX 79702-3638 | Oil & Gas Operator | Jul 2018 |
| 4747 | Phoenix LTD | Charlotte, NC 28231-1547 | Oil Operator | Sep 2001 |
| 4748 | Phoenix Midstream LLC | Houston, TX 77042 | Oil Operator | Aug 2022 |
| 4749 | Phoenix Oil & Gas Inc | Seminole, OK 74868 | Oil & Gas Operator | Jan 2025 |
| 4750 | Phoenix Operating Company, Inc. | Shreveport, LA 71161 | Oil & Gas Operator | Mar 2015 |
| 4751 | Phoenix Petrocorp, Inc. | McKinney, TX 75070 | Oil & Gas Operator | Feb 2025 |
| 4752 | Phoenix Petroleum Co | | Oil Operator | Nov 2000 |
| 4753 | Phoenix Production Inc | Burneyville, OK 73430-2158 | Oil & Gas Operator | Jan 2025 |
| 4754 | Pices Energy Production Co. | Alva, OK 73717-9512 | Oil & Gas Operator | Apr 2014 |
| 4755 | Pickelsimer Kenny | Wilson, OK 73463-6502 | Oil & Gas Operator | Aug 2014 |
| 4756 | Pierce G R Oil Properties Inc | Oklahoma City, OK 73106 | Oil Operator | Feb 1999 |
| 4757 | Pierce Investments | Weatherford, OK 73096 | Oil Operator | Jul 1994 |
| 4758 | Pierce L H | Healdton, OK 73438-9530 | Oil Operator | Jan 1996 |
| 4759 | Pierce O M Operations | Duncan, OK 73533 | Oil & Gas Operator | Nov 1998 |
| 4760 | Pierce Oil Company | Skiatook, OK 74070 | Oil & Gas Operator | Nov 2017 |
| 4761 | Pierce Patsey R The Estate Of | Duncan, OK 73533-4900 | Oil Operator | Mar 2007 |
| 4762 | Pierco Energy Corp. | Dallas, TX 75231 | Oil & Gas Operator | Apr 2025 |
| 4763 | Pierson Max S | Bartlesville, OK 74003-5909 | Oil Operator | Sep 2020 |
| 4764 | Pike Oil & Gas Inc | Pittsfield, IL 62363 | Oil & Gas Operator | Oct 2020 |
| 4765 | Pilgrim & Smith Inc | Tulsa, OK 74152 | Oil & Gas Operator | Apr 2015 |
| 4766 | Pillers Chris | Skiatook, OK 74070-1811 | Oil Operator | Jan 2025 |
| 4767 | Pilot Exploration Company | Okmulgee, OK 74447 | Oil & Gas Operator | Jan 2011 |
| 4768 | Pinkston Robert L | Beggs, OK 74421 | Oil Operator | Jan 2025 |
| 4769 | Pinnacle Corporation (The) | Broken Arrow, OK 74012 | Oil & Gas Operator | Nov 2014 |
| 4770 | Pinnacle Exploration & Production Co | Kiefer, OK 74041 | Oil & Gas Operator | Jan 2025 |
| 4771 | Pinnacle Exploration Inc | Edmond, OK 73003 | Oil & Gas Operator | Mar 2024 |
| 4772 | Pinnacle Operating Company LLC | Tulsa, OK 74137 | Oil & Gas Operator | Jan 2025 |
| 4773 | Pinnacle Operating Company, Inc. | Shreveport, LA 71135 | Oil & Gas Operator | Apr 2025 |
| 4774 | Pioneer Exploration Company | Houston, TX 77090 | Oil & Gas Operator | Feb 2025 |
| 4775 | Pioneer Natural Res. USA, Inc. | Irving, TX 75038 | Oil & Gas Operator | Apr 2025 |
| 4776 | Pioneer Of Oklahoma LP | Houston, TX 77090-3655 | Oil & Gas Operator | Jan 2025 |
| 4777 | Pioneer Resources Prod LP | Irving, TX 75039-3745 | Oil & Gas Operator | Feb 2005 |
| 4778 | Pioneer Trucking LLC | Oklahoma City, OK 73162 | Oil Operator | Feb 2025 |
| 4779 | Piper Operating LLC | Stigler, OK 74462 | Oil & Gas Operator | Feb 2025 |
| 4780 | Pitco Production Company | Tulsa, OK 74170-2320 | Oil & Gas Operator | May 2013 |
| 4781 | Pitcock, Inc. | Graham, TX 76450 | Oil & Gas Operator | Apr 2025 |
| 4782 | Pittencrieff America Inc | Abilene, TX 79608 | Oil & Gas Operator | Feb 2003 |
| 4783 | Pittman-Allen Operating LLC | Oklahoma City, OK 73122-1105 | Gas Operator | Feb 2016 |
| 4784 | Pixley Carlis D | Marlow, OK 73055 | Oil & Gas Operator | Sep 1999 |
| 4785 | Placer Energy Corp | | Oil Operator | Jun 1997 |
| 4786 | Plains Liquids Transport Inc | Houston, TX 77002 | Oil & Gas Operator | May 1996 |
| 4787 | Plains Marketing & Trans Inc | Houston, TX 76002 | Oil & Gas Operator | Oct 1998 |
| 4788 | Plains Marketing LP | Cushing, OK 74023 | Oil & Gas Operator | Dec 2022 |
| 4789 | Plains Oil & Gas | Cushing, OK 74023-4819 | Oil & Gas Operator | Jan 2019 |
| 4790 | Plains Petroleum Operating Co | Denver, CO 80202 | Oil & Gas Operator | Dec 2014 |
| 4791 | Plains Production Inc | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 1995 |
| 4792 | Plains Resources Group LLC | Wynnewood, OK 73098 | Oil & Gas Operator | Feb 2025 |
| 4793 | Plains Resources Inc. | Houston, TX 77002 | Oil & Gas Operator | Jul 2008 |
| 4794 | Plainsmen Energy LLC | Enid, OK 73703-5747 | Oil & Gas Operator | Feb 2025 |
| 4795 | Plano Petroleum LLC | Plano, TX 75093-8773 | Oil & Gas Operator | Apr 2013 |
| 4796 | Plenergy Dev LTD | | Oil & Gas Operator | Jun 2004 |
| 4797 | Pletcher Oil Limited Liability Company | Ardmore, OK 73401 | Oil & Gas Operator | Feb 2025 |
| 4798 | Plo Inc | Amarillo, TX 79109-6222 | Gas Operator | Mar 2015 |
| 4799 | Plotner Oil Company | Oklahoma City, OK 73122 | Oil & Gas Operator | Feb 2025 |
| 4800 | Plotner Ralph Oil & Gas Inv Co | Oklahoma City, OK 73112 | Oil & Gas Operator | Nov 2021 |