| 1501 | Polfam Exploration Co | Denver, CO 80204 | Oil & Gas Operator | Mar 2007 |
| 1502 | Poling Albert | Logan, OH 43138 | Oil Operator | Dec 2023 |
| 1503 | Polk Petroleum, Inc. | Abilene, TX 79604 | Oil & Gas Operator | Apr 2024 |
| 1504 | Pollard Jr G W | Okmulgee, OK 74447 | Oil & Gas Operator | Apr 2015 |
| 1505 | Pollard Operating, LLC | | Oil Operator | May 2001 |
| 1506 | Pollok Energy LLC | Tulsa, OK 74159 | Oil & Gas Operator | Jan 2024 |
| 1507 | Polo Operating Inc | Oklahoma City, OK 73112 | Oil & Gas Operator | May 2006 |
| 1508 | Polumbus Corporation | Denver, CO 80202 | Oil & Gas Operator | Sep 1982 |
| 1509 | Pomfret Production Co., Inc. | | Oil & Gas Operator | Feb 1987 |
| 1510 | Pominex Inc | Cols, OH 43214 | Oil & Gas Operator | Dec 1988 |
| 1511 | Pompano Resource Operator LLC | | Oil & Gas Operator | Jan 2024 |
| 1512 | Pomykal, Verde Oil Co | Brenham, TX 77833 | Oil & Gas Operator | Apr 2024 |
| 1513 | Poncho Production Co | | Oil & Gas Operator | Jan 2022 |
| 1514 | Ponder Oil Producers LLC | Kellyville, OK 74039 | Oil & Gas Operator | Nov 2023 |
| 1515 | Pondera Partners Limited Partnership | Oroville, WA 98844 | Oil Operator | Sep 2023 |
| 1516 | Ponderosa Consulting Services Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2019 |
| 1517 | Ponderosa Oil & Gas, LLC | Houston, TX 77008 | Oil & Gas Operator | Apr 2024 |
| 1518 | Ponderosa Petroleum Corporation | Alto, NM 88312 | Oil & Gas Operator | Dec 2017 |
| 1519 | Ponderosa TX Operating LLC | Stinnett, TX 79083 | Oil & Gas Operator | Apr 2024 |
| 1520 | Ponderosa Witching, LLC | Waco, TX 76705 | Oil Operator | Dec 2023 |
| 1521 | Ponta E&P LLP | Houston, TX 77057 | Oil & Gas Operator | Apr 2024 |
| 1522 | Pontchartrain Oil & Gas Corp 2 | | Oil & Gas Operator | Dec 1984 |
| 1523 | Pontotoc Oil Corp. | Midland, TX 79702 | Oil & Gas Operator | Feb 1996 |
| 1524 | Pontotoc Operations Inc | Dallas, TX 75225-1425 | Oil & Gas Operator | Jun 2017 |
| 1525 | Pony Creek Operating LLC. | Flower Mound, TX 75028 | Oil Operator | Apr 2024 |
| 1526 | Pony Express Corporate Trust | Aledo, TX 76008 | Oil & Gas Operator | Apr 2024 |
| 1527 | Pony Oil Company | Borger, TX 79008 | Oil & Gas Operator | Jul 2001 |
| 1528 | Pool California Energy Services Inc. | | Oil Operator | Dec 2009 |
| 1529 | Pool Company | | Oil Operator | Dec 2002 |
| 1530 | Pool Production Services | | Oil Operator | Aug 1990 |
| 1531 | Pool, Lloyd Operating | Sandia Park, NM 87047 | Gas Operator | Dec 2013 |
| 1532 | Poor Boy Corporation | Ellinwood, KS 67526 | Oil Operator | Dec 2023 |
| 1533 | Poor Boy Operating Co. | Lubbock, TX 79403 | Oil Operator | Dec 2021 |
| 1534 | Poorboy Exploration LLC | Caldwell, OH 43724-9134-9134 | Oil & Gas Operator | Dec 2022 |
| 1535 | Poorboy Oil Inc | Velma, OK 73491-0811 | Oil & Gas Operator | Jul 2022 |
| 1536 | Pop Operating Company | Denton, TX 76202 | Oil & Gas Operator | Apr 2024 |
| 1537 | Pope Charles Edward | Morris, OK 74445-0114 | Oil & Gas Operator | Mar 2023 |
| 1538 | Pope Oil LLC | | Oil Operator | Dec 2023 |
| 1539 | Popp Operating, Inc. | Hoisington, KS 67544 | Oil Operator | Dec 2023 |
| 1540 | Porebski, Adam R. | Gerry, NY 14740 | Gas Operator | Dec 2022 |
| 1541 | Porosity Oil LLC | Imperial, TX 79743 | Oil Operator | Apr 2024 |
| 1542 | Port Hudson Operating Company | | Oil & Gas Operator | Nov 2023 |
| 1543 | Portage Resources Inc | Warren, OH 44484 | Oil & Gas Operator | Dec 2015 |
| 1544 | Portal Energy Corporation | Dallas, TX 75201 | Oil & Gas Operator | Mar 1993 |
| 1545 | Portals Woodward Joint Venture | | Oil Operator | Dec 2000 |
| 1546 | Porter Brothers | Zanesville, OH 43701 | Oil & Gas Operator | Dec 1995 |
| 1547 | Porter John B | Ketchum, OK 74349-0207 | Oil & Gas Operator | May 2000 |
| 1548 | Porter John E "Gene" | Cushing, OK 74023 | Oil & Gas Operator | Aug 2000 |
| 1549 | Porter Oil | Peabody, KS 66866 | Oil Operator | Oct 2000 |
| 1550 | Porter Oil And Gas Inc | Fort Smith, AR 72903-6906 | Oil & Gas Operator | Dec 2023 |
| 1551 | Porter Operating Company, L.L.C. | Pampa, TX 79066 | Oil & Gas Operator | Apr 2024 |
| 1552 | Porter Petroleum | Hopewell, OH 43746 | Oil & Gas Operator | Dec 2021 |
| 1553 | Porter Sesnon Et Al | | Oil & Gas Operator | Dec 1978 |
| 1554 | Porter Tom & John | Boynton, OK 74422 | Oil & Gas Operator | Dec 2023 |
| 1555 | Porter, E. J. | Mingus, TX 76463 | Gas Operator | Jan 2011 |
| 1556 | Porter, James W. | Houston, TX 77240 | Oil & Gas Operator | Oct 1993 |
| 1557 | Porter, James W. Special | Blanco, TX 78606 | Oil & Gas Operator | Apr 2024 |
| 1558 | Portfolio Oil Corporation | Oklahoma City, OK 73119 | Oil & Gas Operator | May 2013 |
| 1559 | Positive Energy LLC | | Oil & Gas Operator | Jan 2024 |
| 1560 | Poso Creek Energy LLC | | Oil & Gas Operator | Dec 2009 |
| 1561 | Post & Mastin Well Service, Inc. | Garden City, KS 67846 | Oil Operator | May 2016 |
| 1562 | Post Hole Drilling Company, LLC | | Oil & Gas Operator | Jan 2024 |
| 1563 | Post Oak Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Jul 2013 |
| 1564 | Post Oak Operating, LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2024 |
| 1565 | Post Oak Petroleum LLC | | Oil Operator | Jan 2024 |
| 1566 | Post Petroleum C | | Gas Operator | Nov 1991 |
| 1567 | Post Petroleum Company | Oklahoma City, OK 73116 | Oil & Gas Operator | Aug 2013 |
| 1568 | Post Rock Gas, Inc. | Luray, KS 67699 | Oil & Gas Operator | Jun 2003 |
| 1569 | Poston Operating Co Inc | Ashley, OH 43003 | Oil & Gas Operator | Dec 2003 |
| 1570 | Postrock Eastern Production LLC | Oklahoma City, OK 73102 | Oil & Gas Operator | Oct 2020 |
| 1571 | Postrock Midcontinent Production LLC | Oklahoma City, OK 73101 | Oil & Gas Operator | Dec 2023 |
| 1572 | Potato Creek, L.L.C. | Edna, KS 67342 | Oil & Gas Operator | Dec 2019 |
| 1573 | Poteet & Harris | Holdenville, OK 74848 | Oil Operator | Sep 2012 |
| 1574 | Poteet Operating Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Aug 1994 |
| 1575 | Potlatch Oil & Refining Co | Shelby, MT 59474 | Oil & Gas Operator | Jan 2024 |
| 1576 | Potoco, LLC | | Gas Operator | Apr 2012 |
| 1577 | Potter Hammill & Potter Inc. | Beggs, OK 74421-0038 | Oil Operator | Aug 2013 |
| 1578 | Potter J And D Oil LLC | Kingfisher, OK 73750-3832 | Oil & Gas Operator | Mar 2015 |
| 1579 | Potter Tom Estate | | Oil Operator | Dec 2014 |
| 1580 | Pottmeyer David | Fleming, OH 43729 | Oil & Gas Operator | Dec 2023 |
| 1581 | Potts Exploration LLC | Oklahoma City, OK 73114-7802 | Gas Operator | Jan 2016 |
| 1582 | Pound Robert M | Bristow, OK 74010 | Oil & Gas Operator | Sep 2014 |
| 1583 | Poverty Knob Production, LLC | Osawatomie, KS 66064 | Oil Operator | Dec 2023 |
| 1584 | Powco Oil & Gas Co. | Athens, TX 75751 | Oil & Gas Operator | Feb 1995 |
| 1585 | Powder Battalion Holdings LLC | Sheridan, WY 82801 | Gas Operator | Dec 2023 |
| 1586 | Powder River Oil | Golden, CO 80401 | Oil & Gas Operator | Sep 2018 |
| 1587 | Powder River Petroleum | Boerne, TX 78006 | Oil & Gas Operator | Dec 1998 |
| 1588 | Powder River Resources, LLC | Archer City, TX 76351 | Oil & Gas Operator | Apr 2024 |
| 1589 | Powder River Royalty Inc | | Oil & Gas Operator | Dec 1986 |
| 1590 | Powell & Brown | Denver City, TX 79323 | Oil & Gas Operator | Mar 2008 |
| 1591 | Powell Donovan L | Spraggs, PA 15362-2019 | Gas Operator | Dec 2023 |
| 1592 | Powell James S | | Oil Operator | Jan 2024 |
| 1593 | Powell Jess L | Bristow, OK 74010-1151 | Oil & Gas Operator | Dec 2023 |
| 1594 | Powell Oil | Healdton, OK 73438-4463 | Oil & Gas Operator | Dec 2023 |
| 1595 | Powell Oil And Gas, LLC | Sebree, KY 42455 | Oil Operator | Dec 2020 |
| 1596 | Powell Properties, Inc. | Los Altos, CA 94024 | Oil & Gas Operator | Apr 2024 |
| 1597 | Powell, A. Brandt | Coleman, TX 76834 | Oil & Gas Operator | Mar 1999 |
| 1598 | Powell, A. Brandt Co. | Hawley, TX 79525 | Oil & Gas Operator | Apr 2024 |
| 1599 | Powell, A. D., Oil Corp. | Luling, TX 78648 | Oil & Gas Operator | Aug 1996 |
| 1600 | Powell, Gene Investments, Inc. | Longview, TX 75608 | Oil & Gas Operator | Apr 2024 |