| 701 | Primera Energy, LLC | Longview, TX 75606 | Oil & Gas Operator | Mar 2016 |
| 702 | Primero Operating, Inc. | Roswell, NM 88202 | Oil & Gas Operator | Jun 2022 |
| 703 | Primexx Operating Corporation | Dallas, TX 75206 | Oil & Gas Operator | Mar 2024 |
| 704 | Primrose Operating Company | Wichita Falls, TX 76307 | Oil & Gas Operator | Jun 2007 |
| 705 | Primrose Resources, LLC | Cedar Park, TX 78630 | Oil & Gas Operator | Jul 2025 |
| 706 | Prince Properties, Inc. | Electra, TX 76360 | Oil & Gas Operator | Aug 2003 |
| 707 | Princess Three Corporation | Henderson, TX 75653 | Oil & Gas Operator | Apr 2020 |
| 708 | Princess Three Operating, LLC | Henderson, TX 75653 | Oil & Gas Operator | Jul 2025 |
| 709 | Principal Oil Corp. | Dallas, TX 75231 | Oil & Gas Operator | Mar 2002 |
| 710 | Pringle Operating Co. | Tulsa, OK 74103 | Oil & Gas Operator | Aug 2015 |
| 711 | Pringle Resources, Inc. | Houston, TX 77019 | Oil & Gas Operator | Jul 2025 |
| 712 | Priority Oil Company LLC | Luling, TX 78648 | Oil Operator | Jul 2025 |
| 713 | Privateer Energy LLC | Warren, NJ 07059 | Oil Operator | Jul 2025 |
| 714 | Prize Exploration & Prod, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jul 2025 |
| 715 | Prize Exploration, LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Jul 2025 |
| 716 | Prize Operating Company | Grapevine, TX 76051 | Oil & Gas Operator | Aug 2016 |
| 717 | Pro Oil & Gas Inc | Frankfort, IL 60423 | Oil & Gas Operator | May 2014 |
| 718 | Pro- Gas, Inc. | Midland, TX 79711 | Oil & Gas Operator | Jul 2025 |
| 719 | Pro-Test, Inc. | Kilgore, TX 75663 | Oil Operator | Jul 2025 |
| 720 | Pro. Energy I Resource, LLC | Haslet, TX 76052 | Oil Operator | Jul 2025 |
| 721 | Probe Exploration Company | Abilene, TX 79605 | Oil & Gas Operator | Jul 2025 |
| 722 | Probe Offshore, LLC | Houston, TX 77002 | Oil & Gas Operator | Feb 2009 |
| 723 | Probe Oil Company | Midland, TX 79710 | Oil & Gas Operator | Jul 2016 |
| 724 | Probity Operating, LLC | Midland, TX 79708 | Oil & Gas Operator | Jul 2014 |
| 725 | Proco Operating Co., Inc. | Graford, TX 76449 | Oil & Gas Operator | Jul 2025 |
| 726 | Producers Energy Corporation | Houston, TX 77002 | Oil & Gas Operator | Aug 2000 |
| 727 | Producers Engineering Company | Destin, FL 32541 | Oil & Gas Operator | Sep 1999 |
| 728 | Producers Environmental Ser. Inc | Borger, TX 79008 | Oil & Gas Operator | Jul 2025 |
| 729 | Producers Operating Co Inc | Amarillo, TX 79105 | Oil & Gas Operator | Jul 2025 |
| 730 | Producers Well Service, Inc. | Boling, TX 77420 | Oil & Gas Operator | Jul 2025 |
| 731 | Production Consultants, Inc. | Pampa, TX 79065 | Oil & Gas Operator | Feb 2017 |
| 732 | Production Disbursement, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Dec 2011 |
| 733 | Production Enterprises | Houston, TX 77075 | Oil & Gas Operator | Aug 2007 |
| 734 | Production Gathering Company, LP | Dallas, TX 75206 | Oil & Gas Operator | Jul 2025 |
| 735 | Production Management Associates | Plano, TX 75075 | Oil & Gas Operator | Jul 2025 |
| 736 | Production Marketing Assoc Inc | Plano, TX 75075 | Oil & Gas Operator | Jul 2025 |
| 737 | Production Operators Of TX, LLC | Abilene, TX 79605 | Oil & Gas Operator | Jul 2025 |
| 738 | Production Resources, Inc. | Castroville, TX 78009 | Oil & Gas Operator | Jul 2025 |
| 739 | Production Service Co. | Lubbock, TX 79490 | Oil & Gas Operator | Oct 2015 |
| 740 | Proex Energy Management, L.L.C. | Spring, TX 77386 | Oil & Gas Operator | Jul 2025 |
| 741 | Professional Management GRP,Inc. | Boerne, TX 78006 | Oil & Gas Operator | Aug 1999 |
| 742 | Progas Operating, Inc | Red Rock, TX 78662 | Oil & Gas Operator | Jul 2025 |
| 743 | Progas Properties, Inc. | New Braunfels, TX 78132 | Oil & Gas Operator | Jul 2025 |
| 744 | Progenies Operating LLC | Austin, TX 78746 | Oil & Gas Operator | Jul 2025 |
| 745 | Progressive Gas Services Inc. | Houston, TX 77279 | Oil & Gas Operator | Feb 2002 |
| 746 | Projj Energy LLC | Sugar Land, TX 77496 | Oil & Gas Operator | Jul 2025 |
| 747 | Proline Energy Resources Inc | Sugar Land, TX 77479 | Oil & Gas Operator | Jul 2025 |
| 748 | Prolithic Energy Company, L.P. | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Aug 2002 |
| 749 | Promise Energy Operations, LLC | Texas City, TX 77592 | Oil Operator | Jul 2025 |
| 750 | Pronghorn Management Corporation | Hobbs, NM 88241 | Oil & Gas Operator | Jul 2025 |
| 751 | Pronto Services | San Antonio, TX 78209 | Oil & Gas Operator | Jul 2025 |
| 752 | Propel Energy, LLC | Houston, TX 77024 | Oil & Gas Operator | Sep 2013 |
| 753 | Property Development Group, Inc. | San Antonio, TX 78212 | Oil & Gas Operator | Jul 2025 |
| 754 | Property Producing Co. | Columbus, TX 78934 | Gas Operator | Jul 2025 |
| 755 | Prospctv Invstmnt & TRDG Co, LTD | Tulsa, OK 74170 | Oil & Gas Operator | May 2001 |
| 756 | Prospecta Energy Group, Inc. | Brownwood, TX 76801 | Oil Operator | Jul 2025 |
| 757 | Prospectors LTD., The | Somerset, TX 78069 | Oil & Gas Operator | Jun 2002 |
| 758 | Prosper Oil & Gas,Inc. | Dallas, TX 75201 | Oil & Gas Operator | Jul 2025 |
| 759 | Protege Energy III LLC | Houston, TX 77024 | Oil & Gas Operator | Sep 2024 |
| 760 | Protege Energy LLC | Tulsa, OK 74135 | Oil & Gas Operator | Jan 2018 |
| 761 | Proton Energy, L.L.C. | Houston, TX 77002 | Oil & Gas Operator | Jun 2005 |
| 762 | Proven Natural Resources LLC | Canton, TX 75103 | Oil & Gas Operator | Jul 2025 |
| 763 | Proven Reserves Management, Inc. | Dallas, TX 75370 | Oil & Gas Operator | Apr 2025 |
| 764 | Providence Oil & Gas Corp | Tulsa, OK 74135-5463 | Oil & Gas Operator | May 2005 |
| 765 | Providence Oil Prod. | Freer, TX 78357 | Oil & Gas Operator | Jul 2025 |
| 766 | Prudent Resources LLC | Houston, TX 77042 | Oil & Gas Operator | Jul 2025 |
| 767 | Pruett, Cecil | Borger, TX 79008 | Oil & Gas Operator | Aug 2003 |
| 768 | Pruitt Engineering & Petro. Co. | Kerrville, TX 78028 | Oil & Gas Operator | Jul 2007 |
| 769 | Pruitt Oil & Gas | Decatur, TX 76234 | Oil & Gas Operator | Feb 2018 |
| 770 | Pryor Petroleum Corporation | Wichita Falls, TX 76308 | Oil & Gas Operator | Jul 2025 |
| 771 | Pryor, Curtis | Lubbock, TX 79424 | Oil & Gas Operator | Dec 1998 |
| 772 | Psi Production, Inc. | Tyler, TX 75702 | Gas Operator | Jan 1994 |
| 773 | PSP Operating, Inc. | Lubbock, TX 79413 | Oil & Gas Operator | Jun 1999 |
| 774 | PT Petroleum, LLC | Argyle, TX 76226 | Oil & Gas Operator | Oct 2019 |
| 775 | PTT Premier Trading And Tran LLC | Perkins, OK 74059 | Gas Operator | Jul 2025 |
| 776 | Publishers Petroleum | Dallas, TX 75219 | Oil & Gas Operator | Aug 2003 |
| 777 | Pullco Services LLC | Jefferson, TX 75657 | Oil Operator | Jul 2025 |
| 778 | Pullen Oil & Gas | Richardson, TX 75080 | Oil & Gas Operator | Dec 1997 |
| 779 | Pullin Lease Service, Inc. | Taft, TX 78390 | Oil & Gas Operator | Jul 2025 |
| 780 | Puls Operating Company | Boerne, TX 78006 | Oil & Gas Operator | Jul 2025 |
| 781 | Puls, W. L. | Houston, TX 77084 | Oil & Gas Operator | Sep 2002 |
| 782 | Pump-N-Production, LLC | Poth, TX 78147 | Oil Operator | Jul 2025 |
| 783 | Pumpco Services | Gainesville, TX 76240 | Oil & Gas Operator | Mar 2008 |
| 784 | Pure Resources, L.P. | Midland, TX 79701 | Oil & Gas Operator | Mar 2006 |
| 785 | Purex Energy LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Oct 2015 |
| 786 | Purple Top Oil & Gas Co. | Seymour, TX 76380 | Oil & Gas Operator | Jan 2017 |
| 787 | Pursley Gas Company | Pampa, TX 79066 | Gas Operator | Jul 2025 |
| 788 | Pursley, John | Jacksboro, TX 76458 | Oil & Gas Operator | Jul 2025 |
| 789 | Pursuit Oil & Gas STX, LLC | Houston, TX 77024 | Oil & Gas Operator | Jul 2025 |
| 790 | Pursuit Oil & Gas, LLC | Houston, TX 77024 | Gas Operator | Sep 2019 |
| 791 | Purvis Oil Corp | Midland, TX 79702 | Oil & Gas Operator | Jul 1994 |
| 792 | Purvis Operating Co. | Midland, TX 79710 | Oil & Gas Operator | Jul 2025 |
| 793 | Purvis, J. H. | Midland, TX 79702 | Oil & Gas Operator | Dec 1994 |
| 794 | Putnam Oil Production | Abilene, TX 79603 | Oil & Gas Operator | Jun 2002 |
| 795 | Putnam, Joe Oil Company | Abilene, TX 79606 | Oil & Gas Operator | Jul 2025 |
| 796 | Putnam, Paul Oil | Orla, TX 79770 | Oil & Gas Operator | Jul 2025 |
| 797 | PV Oil Services, LLC | Abilene, TX 79601 | Oil & Gas Operator | Jul 2025 |
| 798 | PWR Operating, LLC | Dallas, TX 75219 | Oil & Gas Operator | Jul 2025 |
| 799 | PXP Gulf Coast Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2015 |
| 800 | PXP Texas Inc. | Houston, TX 77002 | Oil & Gas Operator | Feb 2007 |