| 1501 | Blue Goose Drilling Company, Inc. | Great Bend, KS 67530 | Oil Operator | Sep 2025 |
| 1502 | Blue Grass Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Dec 2025 |
| 1503 | Blue Group Operating, Inc. | Spencer, WV 25276 | Oil & Gas Operator | Nov 2021 |
| 1504 | Blue Jay Operating, LLC | Fort Worth, TX 76107 | Gas Operator | Dec 2009 |
| 1505 | Blue Lake Gas Storage Co | | Oil & Gas Operator | Oct 2016 |
| 1506 | Blue Marble Resources Op, LLC | Houston, TX 77027 | Oil & Gas Operator | Feb 2019 |
| 1507 | Blue Mill Farms, Inc. | | Oil & Gas Operator | Apr 1992 |
| 1508 | Blue Mountain Company, Inc. | Wichita, KS 67212 | Oil Operator | Feb 1999 |
| 1509 | Blue Oil, Inc. | Burnet, TX 78611 | Oil & Gas Operator | Feb 2026 |
| 1510 | Blue Owl Energy LLC | Canada, 00100 | Oil Operator | Feb 2026 |
| 1511 | Blue Ox Partners LLC | Denver, CO 80223-3106 | Gas Operator | Jun 2018 |
| 1512 | Blue Quail LTD | Wellston, OK 74881-0660 | Oil & Gas Operator | Jul 2015 |
| 1513 | Blue Quail Oil & Gas Inc | Yukon, OK 73099 | Oil & Gas Operator | Dec 2004 |
| 1514 | Blue Quail Oil Co. | Midland, TX 79706 | Oil & Gas Operator | Feb 2026 |
| 1515 | Blue Ridge Group, Inc. | Bowling Green, KY 42101 | Oil & Gas Operator | Dec 2023 |
| 1516 | Blue Ridge Oil & Gas Exp., Inc. | Belleville, MI 48111 | Gas Operator | Jul 1994 |
| 1517 | Blue Ridge Operating Company,Inc | Ashland, OR 97520 | Oil & Gas Operator | Oct 1998 |
| 1518 | Blue Ridge Operating LLC | Willis, TX 77378 | Oil Operator | Feb 2026 |
| 1519 | Blue Ridge Resources, LLC | Midland, TX 79710 | Oil & Gas Operator | Feb 2026 |
| 1520 | Blue River Inc. | Abilene, TX 79608 | Oil Operator | Feb 2026 |
| 1521 | Blue Ruby Operating, LLC | Midland, TX 79706 | Oil & Gas Operator | Nov 2020 |
| 1522 | Blue Sky Investments LLC | Harper, KS 67058 | Oil Operator | Dec 2009 |
| 1523 | Blue Sky NM, Inc. | Houston, TX 77024 | Oil Operator | Oct 2017 |
| 1524 | Blue Spruce Operating LLC | Pinedale, WY 82941 | Oil & Gas Operator | Nov 2025 |
| 1525 | Blue Star Energy, Inc. | Shawnee, OK 74802 | Oil & Gas Operator | Feb 2026 |
| 1526 | Blue Star Natural Resources, LLC | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2026 |
| 1527 | Blue Star Operating Company | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 1528 | Blue Steel Investments, LLC | Edmond, OK 73013 | Oil Operator | Sep 2025 |
| 1529 | Blue Tip Castlegate, Inc | Erie, KS 66733 | Gas Operator | Jun 2016 |
| 1530 | Blue Tip Energy Wyoming Inc | Houston, TX 77284 | Oil Operator | Jun 2016 |
| 1531 | Blue Top Crude Oil Co., Inc. | Farlington, KS 66734 | Oil Operator | Sep 2025 |
| 1532 | Blue Top Energy LLC | Westport, CT 06880 | Oil Operator | Dec 2019 |
| 1533 | Blue Valley Petroleum, LTD. | | Oil Operator | Jun 1991 |
| 1534 | Blue Water Resources LLC | Tulsa, OK 74136 | Oil & Gas Operator | Dec 2025 |
| 1535 | Blue Water Solutions LLC | Oklahoma City, OK 73134-1002 | Oil & Gas Operator | Dec 2025 |
| 1536 | Blue Wing Energy, Inc. | Portland, TX 78374 | Oil & Gas Operator | Feb 2026 |
| 1537 | Bluebird Energy, LLC | Billings, MT 59102 | Oil Operator | Dec 2025 |
| 1538 | Bluebird Production, Inc. | Great Bend, KS 67530 | Oil Operator | Nov 2011 |
| 1539 | Bluebonnet Energy Corporation | Englewood, CO 80112 | Oil & Gas Operator | Sep 2015 |
| 1540 | Bluebonnet Exploration Company | New Braunfels, TX 78130 | Oil & Gas Operator | Apr 2018 |
| 1541 | Bluebonnet Land & Cattle Co. | Graham, TX 76450 | Oil & Gas Operator | Feb 2026 |
| 1542 | Bluebonnet Oil & Gas | Three Rivers, TX 78071 | Oil & Gas Operator | Feb 2026 |
| 1543 | Bluebonnet Oil Corporation | Oklahoma City, OK 73162-6249 | Oil & Gas Operator | Nov 2025 |
| 1544 | Bluebonnet Oil LLC | Oklahoma City, OK 73162-6249 | Oil & Gas Operator | Dec 2025 |
| 1545 | Bluecrest Alaska Operating LLC | | Oil & Gas Operator | Jan 2026 |
| 1546 | Bluefin Resources LLC | Houston, TX 77079 | Oil & Gas Operator | Oct 2023 |
| 1547 | Bluegrass Exploration LLC | | Oil Operator | Dec 2023 |
| 1548 | Bluehawk Properties Inc | Riverside, CA 92517-1045 | Oil & Gas Operator | Dec 2016 |
| 1549 | Bluejacket Operating, LLC | | Oil Operator | Sep 2025 |
| 1550 | Bluejay Energy Corporation | Waxahachie, TX 75168 | Oil Operator | Feb 2008 |
| 1551 | Bluemark Energy, LLC | Tulsa, OK 74135 | Oil & Gas Operator | Nov 2025 |
| 1552 | Blueridge Gas Partners, LLC | Spicewood, TX 78669 | Oil & Gas Operator | Dec 2021 |
| 1553 | Blueridge Petroleum Corporation | Edmond, OK 73003 | Oil & Gas Operator | Sep 2025 |
| 1554 | Bluestem Energy Holdings, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2015 |
| 1555 | Bluestem Natural Gas LLC | Bixby, OK 74008 | Oil & Gas Operator | Feb 2026 |
| 1556 | Bluestem Resources LLC | Kerrville, TX 78028 | Oil & Gas Operator | Feb 2026 |
| 1557 | Bluestem, Inc | Cedar Vale, KS 67024 | Oil Operator | Dec 2014 |
| 1558 | Bluestone Natural Res. II, LLC | Fort Worth, TX 76107 | Oil & Gas Operator | Dec 2019 |
| 1559 | Bluestone Natural Resources II LLC | | Oil & Gas Operator | Mar 2017 |
| 1560 | Bluestone Natural Resources, LLC | Tulsa, OK 74114 | Oil & Gas Operator | Jan 2015 |
| 1561 | Bluestone Production Company LP | Tulsa, OK 74105 | Oil & Gas Operator | Jun 2007 |
| 1562 | Bluetop Oil Comp | | Oil Operator | Nov 1995 |
| 1563 | Bluewater Gas Storage LLC | | Oil Operator | Jan 2026 |
| 1564 | Bluff City Pipe & Supply Co. | | Oil Operator | Jan 1987 |
| 1565 | Bluff Creek Petroleum, LLC | Abilene, TX 79603 | Oil & Gas Operator | Feb 2026 |
| 1566 | Bluff Creek Ridge, Inc. | Anthony, KS 67003 | Oil & Gas Operator | Sep 2025 |
| 1567 | Bluff LTD (The) Partnership | Woodward, OK 73801-3160 | Oil Operator | Dec 1999 |
| 1568 | Bluff Oil Corporation | Newkirk, OK 74647 | Oil & Gas Operator | Jan 2013 |
| 1569 | BLX Inc | Edmond, OK 73013 | Oil & Gas Operator | Dec 2025 |
| 1570 | BM Oil Company, LLC | Olney, TX 76374 | Oil Operator | Nov 2021 |
| 1571 | BMB Oil Production | Coleman, TX 76834 | Oil & Gas Operator | Feb 2007 |
| 1572 | BMBD Enterprises, LLC | Iowa Park, TX 76367 | Oil & Gas Operator | Feb 2026 |
| 1573 | BMC Petroleum Inc | Enid, OK 73701-2700 | Oil & Gas Operator | Dec 2025 |
| 1574 | BMF Oil LLC | Hamilton, KS 66853 | Oil Operator | Dec 2019 |
| 1575 | BMR II LLC | Evergreen, CO 80439 | Oil & Gas Operator | Jan 2023 |
| 1576 | BMR Oil & Gas, Inc. | | Oil & Gas Operator | Dec 2024 |
| 1577 | BMR Operating LLC | Sadler, TX 76264 | Oil Operator | Feb 2026 |
| 1578 | BMW Energy Inc | Smicksburg, PA 16256-1631 | Gas Operator | Dec 2025 |
| 1579 | BMW Group Inc (The) | Oklahoma City, OK 73120 | Oil & Gas Operator | Jan 2013 |
| 1580 | BMW Services, LLC | Santa Anna, TX 76878 | Oil & Gas Operator | Feb 2026 |
| 1581 | BNP Operating LLC | Corpus Chrsti, TX 78471 | Gas Operator | Jan 2015 |
| 1582 | BNP Petroleum Corporation | Corpus Chrsti, TX 78478 | Oil & Gas Operator | Feb 2026 |
| 1583 | BNR Operating, LLC | Houston, TX 77269 | Oil & Gas Operator | Feb 2026 |
| 1584 | Bo Dunagin Operating, LLC | Merkel, TX 79536 | Oil Operator | Mar 2019 |
| 1585 | Bo Luvan | | Oil & Gas Operator | Oct 2003 |
| 1586 | Bo-MC Operating Corporation | Enid, OK 73702-1765 | Oil & Gas Operator | Mar 2018 |
| 1587 | Bo-MC Resources Corporation | Enid, OK 73702-1765 | Oil & Gas Operator | Apr 2005 |
| 1588 | Boardwalk Petroleum Inc | | Oil & Gas Operator | Dec 1983 |
| 1589 | Boarich Petroleum Corporation | | Gas Operator | Mar 1996 |
| 1590 | Boaz Energy II Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Feb 2026 |
| 1591 | Boaz Energy, LLC | Midland, TX 79710 | Oil & Gas Operator | Mar 2014 |
| 1592 | Bob & Son Oil Company | Hennessey, OK 73742-0578 | Oil & Gas Operator | Jul 2017 |
| 1593 | Bob & Ted'S Operating | Lewisville, TX 75067 | Oil & Gas Operator | Apr 1993 |
| 1594 | Bob Adams And Associates Inc | | Oil & Gas Operator | Dec 1998 |
| 1595 | Bob Bertolet | | Oil & Gas Operator | Dec 2001 |
| 1596 | Bob Bertolet Et Al | | Oil Operator | Jul 1992 |
| 1597 | Bob Bertolet, J Dale IV,Munoco | | Oil Operator | Sep 1991 |
| 1598 | Bob Crupper | | Oil Operator | Dec 1995 |
| 1599 | Bob Ferguson Independent | | Oil & Gas Operator | Dec 2020 |
| 1600 | Bob Hughes Oil Company, LLC | San Angelo, TX 76901 | Oil & Gas Operator | Feb 2026 |