| 1501 | Bluebird Energy, LLC | Billings, MT 59102 | Oil Operator | Oct 2024 |
| 1502 | Bluebird Production, Inc. | Great Bend, KS 67530 | Oil Operator | Nov 2011 |
| 1503 | Bluebonnet Energy Corporation | Englewood, CO 80112 | Oil & Gas Operator | Sep 2015 |
| 1504 | Bluebonnet Exploration Company | New Braunfels, TX 78130 | Oil & Gas Operator | Apr 2018 |
| 1505 | Bluebonnet Land & Cattle Co. | Graham, TX 76450 | Oil & Gas Operator | Apr 2025 |
| 1506 | Bluebonnet Oil & Gas | Three Rivers, TX 78071 | Oil & Gas Operator | Apr 2025 |
| 1507 | Bluebonnet Oil Corporation | Oklahoma City, OK 73162-6249 | Oil & Gas Operator | Jan 2025 |
| 1508 | Bluebonnet Oil LLC | Oklahoma City, OK 73162-6249 | Oil & Gas Operator | Feb 2025 |
| 1509 | Bluecrest Alaska Operating LLC | | Oil & Gas Operator | Feb 2025 |
| 1510 | Bluefin Resources LLC | Houston, TX 77079 | Oil & Gas Operator | Oct 2023 |
| 1511 | Bluegrass Energy Inc | Houston, TX 77057 | Oil & Gas Operator | Feb 2025 |
| 1512 | Bluegrass Exploration LLC | | Oil Operator | Dec 2023 |
| 1513 | Bluehawk Properties Inc | Riverside, CA 92517-1045 | Oil & Gas Operator | Dec 2016 |
| 1514 | Bluejacket Operating, LLC | | Oil Operator | Dec 2024 |
| 1515 | Bluejay Energy Corporation | Waxahachie, TX 75168 | Oil Operator | Feb 2008 |
| 1516 | Bluemark Energy LLC | Tulsa, OK 74120 | Oil & Gas Operator | Jan 2025 |
| 1517 | Blueridge Gas Partners, LLC | Spicewood, TX 78669 | Oil & Gas Operator | Dec 2021 |
| 1518 | Blueridge Petroleum Corporation | Edmond, OK 73003 | Oil & Gas Operator | Dec 2024 |
| 1519 | Bluestem Energy Holdings, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2015 |
| 1520 | Bluestem Natural Gas LLC | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2025 |
| 1521 | Bluestem Resources LLC | Kerrville, TX 78028 | Oil & Gas Operator | Apr 2025 |
| 1522 | Bluestem, Inc | Cedar Vale, KS 67024 | Oil Operator | Dec 2014 |
| 1523 | Bluestone Natural Res. II, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2019 |
| 1524 | Bluestone Natural Resources, LLC | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2015 |
| 1525 | Bluestone Production Company LP | Tulsa, OK 74105 | Oil & Gas Operator | Jun 2007 |
| 1526 | Bluetop Oil Comp | | Oil Operator | Nov 1995 |
| 1527 | Bluewater Gas Storage LLC | | Oil Operator | Feb 2025 |
| 1528 | Bluff City Pipe & Supply Co. | | Oil Operator | Jan 1987 |
| 1529 | Bluff Creek Petroleum, LLC | Abilene, TX 79603 | Oil & Gas Operator | Apr 2025 |
| 1530 | Bluff Creek Ridge, Inc. | Anthony, KS 67003 | Oil & Gas Operator | Dec 2024 |
| 1531 | Bluff LTD (The) Partnership | Woodward, OK 73801-3160 | Oil Operator | Dec 1999 |
| 1532 | Bluff Oil Corporation | Newkirk, OK 74647 | Oil & Gas Operator | Jan 2013 |
| 1533 | BLX Inc | Edmond, OK 73013 | Oil & Gas Operator | Jan 2025 |
| 1534 | BM Oil Company, LLC | Olney, TX 76374 | Oil Operator | Nov 2021 |
| 1535 | BMB Oil Production | Coleman, TX 76834 | Oil & Gas Operator | Feb 2007 |
| 1536 | BMBD Enterprises, LLC | Iowa Park, TX 76367 | Oil & Gas Operator | Apr 2025 |
| 1537 | BMC Petroleum Inc | Enid, OK 73701-2700 | Oil & Gas Operator | Feb 2025 |
| 1538 | BMF Oil LLC | Hamilton, KS 66853 | Oil Operator | Dec 2019 |
| 1539 | BMR II LLC | Evergreen, CO 80439 | Oil & Gas Operator | Jan 2023 |
| 1540 | BMR Oil & Gas, Inc. | | Oil & Gas Operator | Dec 2024 |
| 1541 | BMR Operating LLC | Sadler, TX 76264 | Oil Operator | Apr 2025 |
| 1542 | BMW Energy Inc | Smicksburg, PA 16256-1631 | Gas Operator | Dec 2024 |
| 1543 | BMW Group Inc (The) | Oklahoma City, OK 73120 | Oil & Gas Operator | Jan 2013 |
| 1544 | BMW Services, LLC | Santa Anna, TX 76878 | Oil & Gas Operator | Apr 2025 |
| 1545 | BNP Operating LLC | Corpus Chrsti, TX 78471 | Gas Operator | Jan 2015 |
| 1546 | BNP Petroleum Corporation | Corpus Chrsti, TX 78478 | Oil & Gas Operator | Apr 2025 |
| 1547 | BNR Operating, LLC | Houston, TX 77269 | Oil & Gas Operator | Apr 2025 |
| 1548 | Bo Dunagin Operating, LLC | Merkel, TX 79536 | Oil Operator | Mar 2019 |
| 1549 | Bo Luvan | | Oil & Gas Operator | Oct 2003 |
| 1550 | Bo-MC Operating Corporation | Enid, OK 73702-1765 | Oil & Gas Operator | Mar 2018 |
| 1551 | Bo-MC Resources Corporation | Enid, OK 73702-1765 | Oil & Gas Operator | Apr 2005 |
| 1552 | Boardwalk Petroleum Inc | | Oil & Gas Operator | Dec 1983 |
| 1553 | Boaz Energy II Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Apr 2025 |
| 1554 | Boaz Energy, LLC | Midland, TX 79710 | Oil & Gas Operator | Mar 2014 |
| 1555 | Bob & Son Oil Company | Hennessey, OK 73742-0578 | Oil & Gas Operator | Jul 2017 |
| 1556 | Bob & Ted'S Operating | Lewisville, TX 75067 | Oil & Gas Operator | Apr 1993 |
| 1557 | Bob Adams And Associates Inc | | Oil & Gas Operator | Dec 1998 |
| 1558 | Bob Bertolet | | Oil & Gas Operator | Dec 2001 |
| 1559 | Bob Bertolet Et Al | | Oil Operator | Jul 1992 |
| 1560 | Bob Bertolet, J Dale IV,Munoco | | Oil Operator | Sep 1991 |
| 1561 | Bob Crupper | | Oil Operator | Dec 1995 |
| 1562 | Bob Ferguson Independent | | Oil & Gas Operator | Dec 2020 |
| 1563 | Bob Hughes Oil Company, LLC | San Angelo, TX 76901 | Oil & Gas Operator | Apr 2025 |
| 1564 | Bob L. Herd | | Oil & Gas Operator | Dec 1979 |
| 1565 | Bob L. Herd & Petrofunds | | Oil & Gas Operator | Mar 1984 |
| 1566 | Bob R. Hyde Co. | | Oil Operator | May 1986 |
| 1567 | Bob Sibley | | Oil & Gas Operator | Jan 2025 |
| 1568 | Bob'S Hauling Service, Inc. | St John, KS 67576 | Oil Operator | Sep 2024 |
| 1569 | Bob-Kat Oil Co. | Prairie Lea, TX 78661 | Oil & Gas Operator | Apr 2025 |
| 1570 | Bob-Pat Oil & Gas Co., Inc. | Victoria, TX 77902 | Oil & Gas Operator | Jun 2002 |
| 1571 | Bobbie G. & Vallee J. Williams | | Oil & Gas Operator | Dec 1991 |
| 1572 | Bobby F Abernathy | Fort Worth, TX 76107 | Oil & Gas Operator | Apr 2020 |
| 1573 | Bobby G. Martin Oil & Gas Co. | | Oil Operator | Nov 1990 |
| 1574 | Bobby Jenny | | Gas Operator | Dec 2001 |
| 1575 | Bobby McKay Dba 5 A Oil Company | Lovington, NM 88260 | Oil Operator | Jan 2025 |
| 1576 | Bobby Procell | | Oil & Gas Operator | Feb 2001 |
| 1577 | Bobby R. Hale | | Oil Operator | Dec 1992 |
| 1578 | Bobcat Oil & Gas Inc. | Wayne, WV 25570-0000 | Oil & Gas Operator | Dec 2021 |
| 1579 | Bobcat Oilfield Service, Inc. | Louisburg, KS 66053 | Oil Operator | Dec 2024 |
| 1580 | Bobcat Oilfield Services, Inc. | | Oil Operator | Dec 2009 |
| 1581 | Bobcat Prod Corp | Bradford, PA 16701-3263 | Oil & Gas Operator | Dec 2024 |
| 1582 | Bobcat Well & Pipeline LLC | Canfield, OH 44406 | Oil & Gas Operator | Dec 2021 |
| 1583 | Bobco International Inc | Cloudcroft, NM 88317 | Oil & Gas Operator | Apr 1995 |
| 1584 | Boberg, Alan F. | Delevan, NY 14042 | Gas Operator | Dec 2023 |
| 1585 | Boberg, Daniel F. | Freedom, NY 14065 | Gas Operator | Dec 2023 |
| 1586 | Boberg, Elton L. | West Valley, NY 14171 | Gas Operator | Dec 2023 |
| 1587 | Bobwhite Production Company, Inc | Tulsa, OK 74112 | Oil & Gas Operator | Jan 2025 |
| 1588 | Boca Production Inc | | Oil & Gas Operator | Jun 2002 |
| 1589 | Bock & Bacon, Inc. | Houston, TX 77098 | Oil & Gas Operator | May 1999 |
| 1590 | Bockhahn, Charles M. | East Concord, NY 14055 | Gas Operator | Dec 2023 |
| 1591 | Bockhoff, Deborah M. | Olney, TX 76374 | Oil Operator | Apr 2025 |
| 1592 | Bocor Holdings LLC | North Canton, OH 44720 | Oil & Gas Operator | Dec 2024 |
| 1593 | Bodark Oil Company | Ozona, TX 76943 | Oil & Gas Operator | Jul 2009 |
| 1594 | Bodcaw Company | | Oil & Gas Operator | Oct 1979 |
| 1595 | Bodcaw Company Et Al | | Oil & Gas Operator | Oct 1979 |
| 1596 | Bodden Production | Poth, TX 78147 | Oil & Gas Operator | Apr 2025 |
| 1597 | Bode Public Disposal Inc | Ames, OK 73718 | Oil Operator | Dec 1994 |
| 1598 | Boden Oil Compan | | Oil Operator | Jan 1985 |
| 1599 | Boeckman, Robert | Independence, KS 67301 | Oil Operator | Aug 2004 |
| 1600 | Boelens Well Service LLC | Thermopolis, WY 82443 | Oil Operator | Dec 1999 |