| 8601 | Permico Corporation | Stafford, TX 77477 | Oil & Gas Operator | Nov 2003 |
| 8602 | Perpetual Energy LLC | Grapevine, TX 76051 | Oil & Gas Operator | Aug 2012 |
| 8603 | Perry Operating Inc. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 8604 | Perry Producing Company, Inc. | Ackerly, TX 79713 | Oil & Gas Operator | Feb 2026 |
| 8605 | Perry, J. R. & Co. | Haskell, TX 79521 | Oil & Gas Operator | Jul 2015 |
| 8606 | Perryman Exp. And Prod., LLC | Athens, TX 75751 | Oil & Gas Operator | Feb 2026 |
| 8607 | Perryman Operating Company | Athens, TX 75751 | Oil & Gas Operator | Feb 2026 |
| 8608 | Perryton Operating Co., Inc. | Perryton, TX 79070 | Oil & Gas Operator | Feb 2026 |
| 8609 | Person Oil Co. | Bowie, TX 76230 | Oil & Gas Operator | Sep 2002 |
| 8610 | Person, Claude | Bowie, TX 76230 | Oil & Gas Operator | Apr 2007 |
| 8611 | Person, J.S., Inc. | Longview, TX 75606 | Oil & Gas Operator | Feb 2026 |
| 8612 | Petco Energy Corporation | Hinsdale, IL 60521 | Oil & Gas Operator | Feb 2026 |
| 8613 | Petco Petroleum Corp | Hinsdale, IL 60521 | Oil & Gas Operator | Nov 2025 |
| 8614 | Petech Enterprises, Inc. | Houston, TX 77066 | Oil & Gas Operator | Jan 2004 |
| 8615 | Peters Petroleum Corporation | Dallas, TX 75243 | Oil & Gas Operator | Jan 2014 |
| 8616 | Peterson & Roberts | Loving, TX 76460 | Oil & Gas Operator | Mar 1998 |
| 8617 | Peterson Oil And Gas LLC | Wichita Falls, TX 76310 | Oil & Gas Operator | Feb 2026 |
| 8618 | Peterson, Don Company | Loving, TX 76460 | Oil & Gas Operator | Jul 2017 |
| 8619 | Petex | Breckenridge, TX 76424 | Oil & Gas Operator | Feb 2026 |
| 8620 | Petra Oleum Corp. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 8621 | Petralis Energy Resources, LLC | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 8622 | Petram Oil And Gas, LLC | Richmond, TX 77407 | Oil Operator | Feb 2026 |
| 8623 | Petro 2000 Exploration Co. | Katy, TX 77450 | Oil & Gas Operator | Nov 2011 |
| 8624 | Petro Delta | Rockdale, TX 76567 | Oil Operator | Feb 2026 |
| 8625 | Petro Drilling & Producing Co. | Archer City, TX 76351 | Oil & Gas Operator | Apr 1997 |
| 8626 | Petro Hi-Tech, Inc. | Pasadena, TX 77505 | Oil & Gas Operator | Feb 2008 |
| 8627 | Petro Lions, LLC | Somerset, TX 78069 | Oil Operator | Feb 2026 |
| 8628 | Petro Plex Oil Co Inc. | Homosassa, FL 34448 | Oil & Gas Operator | Jul 2020 |
| 8629 | Petro Resources, Inc. | Fulton, TX 78358 | Oil & Gas Operator | Feb 2026 |
| 8630 | Petro Ventures Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2019 |
| 8631 | Petro Vest, Inc. | Houston, TX 77046 | Oil & Gas Operator | Sep 2014 |
| 8632 | Petro-Beth Oil & Gas, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2006 |
| 8633 | Petro-Chem Operating Company, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Feb 2026 |
| 8634 | Petro-Guard Company, Inc. | Houston, TX 77057 | Oil & Gas Operator | Nov 2014 |
| 8635 | Petro-Guard Production,L.L.C. | Houston, TX 77063 | Oil & Gas Operator | Dec 2024 |
| 8636 | Petro-Haley | Borger, TX 79008 | Oil & Gas Operator | Feb 2026 |
| 8637 | Petro-Hunt Corporation | Dallas, TX 75201 | Oil & Gas Operator | Jun 2003 |
| 8638 | Petro-Hunt Permian, LLC | Dallas, TX 75201 | Oil & Gas Operator | Feb 2026 |
| 8639 | Petro-Hunt, L.L.C. | Dallas, TX 75201 | Oil & Gas Operator | Feb 2026 |
| 8640 | Petro-Raider LLC | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 8641 | Petro-Smith Operating LLC | Houston, TX 77010 | Oil & Gas Operator | Feb 2026 |
| 8642 | Petro-Tex Energy & Expl.Co.,Inc. | Llano, TX 78643 | Oil & Gas Operator | Feb 2026 |
| 8643 | Petro-West Corporation | Lubbock, TX 79404 | Oil & Gas Operator | Oct 2001 |
| 8644 | Petrobal Omega 1, LLC | Little Elm, TX 75068 | Oil & Gas Operator | Feb 2026 |
| 8645 | Petrocat Innovations, LLC | Forney, TX 75126 | Oil Operator | Feb 2026 |
| 8646 | Petrocoastal, Inc. | Frisco, TX 75036 | Oil & Gas Operator | Feb 2026 |
| 8647 | Petrocorp Acquisition Company | Tulsa, OK 74121 | Oil & Gas Operator | Dec 2002 |
| 8648 | Petrocorp Incorporated,A TX.Corp | Tulsa, OK 74170 | Oil & Gas Operator | Apr 2005 |
| 8649 | Petrodata Resources, Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 8650 | Petrodome Operating, LLC | Houston, TX 77265 | Oil & Gas Operator | May 2025 |
| 8651 | Petrofunds, Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Jun 1996 |
| 8652 | Petrogas Energy Services, LLC | Dallas, TX 75214 | Oil Operator | Feb 2026 |
| 8653 | Petrogas Operating Corporation | Garland, TX 75043 | Oil Operator | Feb 2010 |
| 8654 | Petrogen, Incorporated | Katy, TX 77450 | Oil & Gas Operator | Jan 2012 |
| 8655 | Petroglyph Operating Co | Boise, ID 83709 | Oil & Gas Operator | Jul 2017 |
| 8656 | Petrogulf Corporation | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |
| 8657 | Petrohawk Energy Corporation | Houston, TX 77002 | Oil & Gas Operator | Jun 2005 |
| 8658 | Petrohawk Operating Company | Houston, TX 77056 | Oil & Gas Operator | Oct 2021 |
| 8659 | Petrol Industries, Inc. | Shreveport, LA 71137 | Oil & Gas Operator | Jun 2012 |
| 8660 | Petrolegacy Energy II, LLC | Denver, CO 80202 | Oil & Gas Operator | Jun 2023 |
| 8661 | Petrolero Corp. | San Antonio, TX 78205 | Oil & Gas Operator | Feb 1998 |
| 8662 | Petrolero, LLC | Plano, TX 75026 | Oil & Gas Operator | Feb 2026 |
| 8663 | Petroleum Advisors Int'L., Inc. | Houston, TX 77224 | Gas Operator | Jun 2005 |
| 8664 | Petroleum Capital, L.C. | Dallas, TX 75367 | Oil & Gas Operator | Feb 2026 |
| 8665 | Petroleum Inc | Wichita, KS 67202 | Oil & Gas Operator | Oct 2021 |
| 8666 | Petroleum International, Inc. | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2000 |
| 8667 | Petroleum Investments, Inc | Shreveport, LA 71101 | Oil & Gas Operator | Dec 1977 |
| 8668 | Petroleum Land Company | Abilene, TX 79606 | Oil & Gas Operator | May 2000 |
| 8669 | Petroleum Management Int'L, Inc. | Sugar Land, TX 77487 | Oil & Gas Operator | Oct 1993 |
| 8670 | Petroleum Management, Inc. | Corpus Chrsti, TX 78471 | Oil & Gas Operator | Feb 2026 |
| 8671 | Petroleum Production Engineering | Fulton, TX 78358 | Oil Operator | Feb 2019 |
| 8672 | Petroleum Production MGMT., Inc. | Kansas City, MO 64112 | Oil & Gas Operator | Feb 2026 |
| 8673 | Petroleum Properties MGMT Co LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Aug 2005 |
| 8674 | Petroleum Properties MGMT. Co. | Oklahoma City, OK 73118 | Oil & Gas Operator | Dec 2014 |
| 8675 | Petroleum Property MGMT, Inc (A) | Fort Worth, TX 76101 | Oil & Gas Operator | May 1994 |
| 8676 | Petroleum Recovery Systems, L.C. | Houston, TX 77024 | Oil Operator | Feb 2026 |
| 8677 | Petroleum Reserve Corporation | Plymouth MTNG, PA 19462 | Oil & Gas Operator | May 2008 |
| 8678 | Petroleum Resource Management Co | Fort Worth, TX 76107 | Oil & Gas Operator | Jan 2024 |
| 8679 | Petroleum Technical Services Co. | Midland, TX 79707 | Oil & Gas Operator | Dec 2004 |
| 8680 | Petroleum Well Service LLC | Silsbee, TX 77656 | Oil Operator | Feb 2026 |
| 8681 | Petrolia Energy Corporation | Pearland, TX 77581 | Oil Operator | Jan 2024 |
| 8682 | Petrolia Group, L.L.C. | Katy, TX 77449 | Oil & Gas Operator | Feb 2026 |
| 8683 | Petromac, Inc. | Onalaska, TX 77360 | Oil & Gas Operator | Feb 2026 |
| 8684 | Petromark Energy LLC | Oklahoma City, OK 73116-7634 | Oil & Gas Operator | Jun 2000 |
| 8685 | Petromining, Inc. | Plano, TX 75026 | Oil & Gas Operator | Feb 2026 |
| 8686 | Petron Energy Inc | Dallas, TX 75252 | Oil & Gas Operator | Feb 2026 |
| 8687 | Petron Oil Company | Missouri City, TX 77489 | Oil & Gas Operator | Feb 2026 |
| 8688 | Petroneal Corporation | San Angelo, TX 76902 | Oil & Gas Operator | Nov 1995 |
| 8689 | Petronomics Petroleum, Inc. | Austin, TX 78734 | Oil & Gas Operator | Jan 1995 |
| 8690 | Petronomics, Inc. | Houston, TX 77074 | Oil & Gas Operator | Aug 2003 |
| 8691 | Petroplex Energy Inc. | Midland, TX 79702 | Oil & Gas Operator | Feb 2026 |
| 8692 | Petroplex Equipment, Inc. | Midland, TX 79701 | Oil & Gas Operator | May 2019 |
| 8693 | Petropoint Energy Operating, LLC | Houston, TX 77098 | Oil & Gas Operator | Feb 2026 |
| 8694 | Petropro Energy Partners, L.P. | Houston, TX 77024 | Oil & Gas Operator | Jan 2013 |
| 8695 | Petroquest Energy, Inc. | Lafayette, LA 70505 | Oil & Gas Operator | Feb 2001 |
| 8696 | Petroquest Energy, L.L.C. | Lafayette, LA 70505 | Oil & Gas Operator | Feb 2026 |
| 8697 | Petroquest Exploration, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Mar 2008 |
| 8698 | Petroreal Inc. | Temple, TX 76503 | Oil & Gas Operator | Feb 2026 |
| 8699 | Petrosaurus, Inc. | Somerset, TX 78069 | Oil Operator | Feb 2026 |
| 8700 | Petrosearch Operating Co, LLC | Denver, CO 80202 | Oil & Gas Operator | Feb 2026 |