| 1501 | Bluefin Resources LLC | Houston, TX 77079 | Oil & Gas Operator | Oct 2023 |
| 1502 | Bluegrass Exploration LLC | | Oil Operator | Dec 2023 |
| 1503 | Bluehawk Properties Inc | Riverside, CA 92517-1045 | Oil & Gas Operator | Dec 2016 |
| 1504 | Bluejacket Operating, LLC | | Oil Operator | Jun 2025 |
| 1505 | Bluejay Energy Corporation | Waxahachie, TX 75168 | Oil Operator | Feb 2008 |
| 1506 | Bluemark Energy, LLC | Tulsa, OK 74135 | Oil & Gas Operator | Aug 2025 |
| 1507 | Blueridge Petroleum Corporation | Edmond, OK 73003 | Oil & Gas Operator | Jun 2025 |
| 1508 | Bluestem Energy Holdings, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2015 |
| 1509 | Bluestem Natural Gas LLC | Bixby, OK 74008 | Oil & Gas Operator | Dec 2025 |
| 1510 | Bluestem Resources LLC | Kerrville, TX 78028 | Oil & Gas Operator | Dec 2025 |
| 1511 | Bluestem, Inc | Cedar Vale, KS 67024 | Oil Operator | Dec 2014 |
| 1512 | Bluestone Natural Res. II, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2019 |
| 1513 | Bluestone Natural Resources II LLC | | Oil & Gas Operator | Mar 2017 |
| 1514 | Bluestone Natural Resources, LLC | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2015 |
| 1515 | Bluestone Production Company LP | Tulsa, OK 74105 | Oil & Gas Operator | Jun 2007 |
| 1516 | Bluetop Oil Comp | | Oil Operator | Nov 1995 |
| 1517 | Bluewater Gas Storage LLC | | Oil Operator | Oct 2025 |
| 1518 | Bluff City Pipe & Supply Co. | | Oil Operator | Jan 1987 |
| 1519 | Bluff Creek Petroleum, LLC | Abilene, TX 79603 | Oil & Gas Operator | Dec 2025 |
| 1520 | Bluff Creek Ridge, Inc. | Anthony, KS 67003 | Oil & Gas Operator | Jun 2025 |
| 1521 | Bluff LTD (The) Partnership | Woodward, OK 73801-3160 | Oil Operator | Dec 1999 |
| 1522 | Bluff Oil Corporation | Newkirk, OK 74647 | Oil & Gas Operator | Jan 2013 |
| 1523 | BLX Inc | Edmond, OK 73013 | Oil & Gas Operator | Sep 2025 |
| 1524 | BM Oil Company, LLC | Olney, TX 76374 | Oil Operator | Nov 2021 |
| 1525 | BMB Oil Production | Coleman, TX 76834 | Oil & Gas Operator | Feb 2007 |
| 1526 | BMBD Enterprises, LLC | Iowa Park, TX 76367 | Oil & Gas Operator | Dec 2025 |
| 1527 | BMC Petroleum Inc | Enid, OK 73701-2700 | Oil & Gas Operator | Sep 2025 |
| 1528 | BMF Oil LLC | Hamilton, KS 66853 | Oil Operator | Dec 2019 |
| 1529 | BMR II LLC | Evergreen, CO 80439 | Oil & Gas Operator | Jan 2023 |
| 1530 | BMR Oil & Gas, Inc. | | Oil & Gas Operator | Dec 2024 |
| 1531 | BMR Operating LLC | Sadler, TX 76264 | Oil Operator | Dec 2025 |
| 1532 | BMW Energy Inc | Smicksburg, PA 16256-1631 | Gas Operator | Dec 2024 |
| 1533 | BMW Group Inc (The) | Oklahoma City, OK 73120 | Oil & Gas Operator | Jan 2013 |
| 1534 | BMW Services, LLC | Santa Anna, TX 76878 | Oil & Gas Operator | Dec 2025 |
| 1535 | BNP Operating LLC | Corpus Chrsti, TX 78471 | Gas Operator | Jan 2015 |
| 1536 | BNP Petroleum Corporation | Corpus Chrsti, TX 78478 | Oil & Gas Operator | Dec 2025 |
| 1537 | BNR Operating, LLC | Houston, TX 77269 | Oil & Gas Operator | Dec 2025 |
| 1538 | Bo Dunagin Operating, LLC | Merkel, TX 79536 | Oil Operator | Mar 2019 |
| 1539 | Bo Luvan | | Oil & Gas Operator | Oct 2003 |
| 1540 | Bo-MC Operating Corporation | Enid, OK 73702-1765 | Oil & Gas Operator | Mar 2018 |
| 1541 | Bo-MC Resources Corporation | Enid, OK 73702-1765 | Oil & Gas Operator | Apr 2005 |
| 1542 | Boardwalk Petroleum Inc | | Oil & Gas Operator | Dec 1983 |
| 1543 | Boaz Energy II Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Dec 2025 |
| 1544 | Boaz Energy, LLC | Midland, TX 79710 | Oil & Gas Operator | Mar 2014 |
| 1545 | Bob & Son Oil Company | Hennessey, OK 73742-0578 | Oil & Gas Operator | Jul 2017 |
| 1546 | Bob & Ted'S Operating | Lewisville, TX 75067 | Oil & Gas Operator | Apr 1993 |
| 1547 | Bob Adams And Associates Inc | | Oil & Gas Operator | Dec 1998 |
| 1548 | Bob Bertolet | | Oil & Gas Operator | Dec 2001 |
| 1549 | Bob Bertolet Et Al | | Oil Operator | Jul 1992 |
| 1550 | Bob Bertolet, J Dale IV,Munoco | | Oil Operator | Sep 1991 |
| 1551 | Bob Crupper | | Oil Operator | Dec 1995 |
| 1552 | Bob Ferguson Independent | | Oil & Gas Operator | Dec 2020 |
| 1553 | Bob Hughes Oil Company, LLC | San Angelo, TX 76901 | Oil & Gas Operator | Dec 2025 |
| 1554 | Bob L. Herd | | Oil & Gas Operator | Dec 1979 |
| 1555 | Bob L. Herd & Petrofunds | | Oil & Gas Operator | Mar 1984 |
| 1556 | Bob R. Hyde Co. | | Oil Operator | May 1986 |
| 1557 | Bob Sibley | | Oil & Gas Operator | Jan 2025 |
| 1558 | Bob'S Hauling Service, Inc. | St John, KS 67576 | Oil Operator | Apr 2025 |
| 1559 | Bob-Kat Oil Co. | Prairie Lea, TX 78661 | Oil & Gas Operator | Dec 2025 |
| 1560 | Bob-Pat Oil & Gas Co., Inc. | Victoria, TX 77902 | Oil & Gas Operator | Jun 2002 |
| 1561 | Bobbie G. & Vallee J. Williams | | Oil & Gas Operator | Dec 1991 |
| 1562 | Bobby F Abernathy | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2020 |
| 1563 | Bobby G. Martin Oil & Gas Co. | | Oil Operator | Nov 1990 |
| 1564 | Bobby Jenny | | Gas Operator | Dec 2001 |
| 1565 | Bobby L Loftis | Holdenville, OK 74848 | Oil & Gas Operator | Jun 2022 |
| 1566 | Bobby McKay Dba 5 A Oil Company | Lovington, NM 88260 | Oil Operator | Sep 2025 |
| 1567 | Bobby Procell | | Oil & Gas Operator | Feb 2001 |
| 1568 | Bobby R. Hale | | Oil Operator | Dec 1992 |
| 1569 | Bobcat Oil & Gas Inc. | Wayne, WV 25570-0000 | Oil & Gas Operator | Dec 2021 |
| 1570 | Bobcat Oilfield Service, Inc. | Louisburg, KS 66053 | Oil Operator | Jun 2025 |
| 1571 | Bobcat Oilfield Services, Inc. | | Oil Operator | Dec 2009 |
| 1572 | Bobcat Prod Corp | Bradford, PA 16701-3263 | Oil & Gas Operator | Dec 2024 |
| 1573 | Bobcat Well & Pipeline LLC | Canfield, OH 44406 | Oil & Gas Operator | Dec 2021 |
| 1574 | Bobco International Inc | Cloudcroft, NM 88317 | Oil & Gas Operator | Apr 1995 |
| 1575 | Boberg, Alan F. | Delevan, NY 14042 | Gas Operator | Dec 2024 |
| 1576 | Boberg, Daniel F. | Freedom, NY 14065 | Gas Operator | Dec 2024 |
| 1577 | Boberg, Elton L. | West Valley, NY 14171 | Gas Operator | Dec 2024 |
| 1578 | Bobwhite Production Company, Inc | Tulsa, OK 74112 | Oil & Gas Operator | Aug 2025 |
| 1579 | Boca Production Inc | | Oil & Gas Operator | Jun 2002 |
| 1580 | Bock & Bacon, Inc. | Houston, TX 77098 | Oil & Gas Operator | May 1999 |
| 1581 | Bockhahn, Charles M. | East Concord, NY 14055 | Gas Operator | Dec 2024 |
| 1582 | Bockhoff, Deborah M. | Olney, TX 76374 | Oil Operator | Dec 2025 |
| 1583 | Bocor Holdings LLC | North Canton, OH 44720 | Oil & Gas Operator | Dec 2024 |
| 1584 | Bodark Oil Company | Ozona, TX 76943 | Oil & Gas Operator | Jul 2009 |
| 1585 | Bodcaw Company | | Oil & Gas Operator | Oct 1979 |
| 1586 | Bodcaw Company Et Al | | Oil & Gas Operator | Oct 1979 |
| 1587 | Bodden Production | Poth, TX 78147 | Oil & Gas Operator | Dec 2025 |
| 1588 | Bode Public Disposal Inc | Ames, OK 73718 | Oil Operator | Dec 1994 |
| 1589 | Boden Oil Compan | | Oil Operator | Jan 1985 |
| 1590 | Boeckman, Robert | Independence, KS 67301 | Oil Operator | Aug 2004 |
| 1591 | Boelens Well Service LLC | Thermopolis, WY 82443 | Oil Operator | Dec 1999 |
| 1592 | Boester, H. F. | Portland, TX 78374 | Oil & Gas Operator | Aug 2003 |
| 1593 | Boettcher, Fred | Marion, KS 66861 | Oil & Gas Operator | Dec 2009 |
| 1594 | Bog Inc (Bowers) | Grand Junction, CO 81502 | Oil & Gas Operator | Jan 1989 |
| 1595 | Bogdanowicz, Bob | Lakewood, NY 14750 | Gas Operator | Dec 2024 |
| 1596 | Boge, Inc. | Lubbock, TX 79424 | Oil & Gas Operator | Dec 2025 |
| 1597 | Boger Brothers D | | Oil & Gas Operator | Nov 1992 |
| 1598 | Boger Brothers O | | Oil Operator | Jul 1995 |
| 1599 | Bogey Oil & Gas | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Sep 2003 |
| 1600 | Boggs Energy Inc | | Gas Operator | Dec 2004 |