| 1501 | Brigham Oil & Gas, L.P. | Austin, TX 78730 | Oil & Gas Operator | Oct 2015 |
| 1502 | Brigham Operating, LLC | Austin, TX 78730 | Oil & Gas Operator | Oct 2025 |
| 1503 | Brigham Resources Operating, LLC | Austin, TX 78730 | Oil & Gas Operator | Jun 2017 |
| 1504 | Bright & Company | The Colony, TX 75056 | Oil & Gas Operator | May 2015 |
| 1505 | Bright Hawk Operating Company | Spring, TX 77388 | Oil & Gas Operator | Oct 2025 |
| 1506 | Bright Horizon Texas LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2016 |
| 1507 | Bright North Explorations LTD. | Canada, 00100 | Oil & Gas Operator | Oct 2025 |
| 1508 | Bright Oil Company | Cumming, GA 30028 | Oil & Gas Operator | Oct 2025 |
| 1509 | Brightman Family Trust | Graham, TX 76450 | Oil & Gas Operator | Dec 2009 |
| 1510 | Brightman, Tom | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 1511 | Brighton Energy LLC | Tulsa, OK 74170 | Oil & Gas Operator | Mar 2015 |
| 1512 | Brightriver Energy Co | Katy, TX 77494 | Oil & Gas Operator | Oct 2025 |
| 1513 | Brightspot Operating LLC | Katy, TX 77494 | Oil & Gas Operator | Oct 2025 |
| 1514 | Briley Operating, LLC | Abilene, TX 79608 | Oil & Gas Operator | Oct 2025 |
| 1515 | Brinkerhoff, Bob | Houston, TX 77257 | Gas Operator | Feb 1994 |
| 1516 | Brinkoeter Gas & Oil | Converse, TX 78109 | Oil & Gas Operator | Aug 2004 |
| 1517 | Brisco, W. M. | Jacksboro, TX 76458 | Oil & Gas Operator | Nov 2003 |
| 1518 | Briscoe Oil Operating Co., Inc. | Kingfisher, OK 73750 | Oil & Gas Operator | Mar 2015 |
| 1519 | Briscoe, Glenn D. | Jacksboro, TX 76458 | Oil & Gas Operator | Oct 2002 |
| 1520 | Bristol Resources Corporation | Tulsa, OK 74170 | Oil & Gas Operator | Feb 2022 |
| 1521 | Britanco, L.L.C. | Falls City, TX 78113 | Oil & Gas Operator | Oct 2025 |
| 1522 | Britnic Oil & Gas, Inc. | College Sta, TX 77845 | Oil & Gas Operator | Oct 2025 |
| 1523 | Brito Oil Co., Inc | Wichita, KS 67201 | Oil & Gas Operator | Dec 2009 |
| 1524 | Brittany Drilling Co. | Abilene, TX 79604 | Oil & Gas Operator | Dec 2000 |
| 1525 | Britton Operating, Inc. | Aledo, TX 76008 | Oil & Gas Operator | Oct 2025 |
| 1526 | Broad Oak Energy II, LLC | Irving, TX 75063 | Oil & Gas Operator | Mar 2018 |
| 1527 | Broad Oak Energy, Inc. | Farmers BRNCH, TX 75234 | Oil & Gas Operator | Jul 2011 |
| 1528 | Broadway Operating Company Inc. | Lubbock, TX 79401 | Oil & Gas Operator | Aug 2002 |
| 1529 | Broadway Petroleum Company, LLC | New York, NY 10152 | Oil Operator | Oct 2025 |
| 1530 | Brock & Strange | Holliday, TX 76366 | Oil & Gas Operator | May 2008 |
| 1531 | Brock Oil & Gas Corporation | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2019 |
| 1532 | Brock Resources, Inc. | New Orleans, LA 70112 | Oil & Gas Operator | Nov 1998 |
| 1533 | Brock, J. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 1534 | Brock, Joe Wayne | N Richlnd HLS, TX 76180 | Oil & Gas Operator | Feb 2010 |
| 1535 | Brody Oil & Gas Services, Inc. | Kermit, TX 79745 | Oil & Gas Operator | Oct 2025 |
| 1536 | Brogdon, Gary | Graham, TX 76450 | Oil & Gas Operator | Dec 2009 |
| 1537 | Broken H Oil | Mountain Home, TX 78058 | Oil & Gas Operator | Oct 2025 |
| 1538 | Broken Horse, LLC | Rankin, TX 79778 | Oil & Gas Operator | Oct 2025 |
| 1539 | Broman Oil & Gas LP | Fort Worth, TX 76102 | Oil & Gas Operator | May 2017 |
| 1540 | Bronco Oil Company | San Angelo, TX 76904 | Oil & Gas Operator | Dec 2024 |
| 1541 | Brooklyn Union Explor. Co., Inc. | Houston, TX 77010 | Oil & Gas Operator | Jan 1994 |
| 1542 | Brooks Oil Company | Kilgore, TX 75662 | Oil & Gas Operator | Oct 2025 |
| 1543 | Brooks Petroleum Company | Tyler, TX 75703 | Oil & Gas Operator | Oct 2025 |
| 1544 | Brooks Petroleum Inc | Kilgore, TX 75663 | Oil & Gas Operator | May 1999 |
| 1545 | Brooks, E. B., Jr. | Dallas, TX 75206 | Oil & Gas Operator | May 2018 |
| 1546 | Brookston Energy, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Oct 2025 |
| 1547 | Brothers Oil & Equipment, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2025 |
| 1548 | Brothers Operating Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Oct 2025 |
| 1549 | Brothers Production Company Inc. | Midland, TX 79708 | Oil & Gas Operator | Oct 2025 |
| 1550 | Brothers Resources, Inc. | Marshall, TX 75671 | Oil & Gas Operator | Jan 2004 |
| 1551 | Brotherton Production Co. | Spokane, WA 99216 | Oil & Gas Operator | Oct 2025 |
| 1552 | Broughton Operating Corp. | Pittsburgh, PA 15219 | Oil & Gas Operator | Nov 2000 |
| 1553 | Brower Oil & Gas Co., Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 1554 | Brower, Robert C. | Fort Worth, TX 76116 | Oil & Gas Operator | Oct 2025 |
| 1555 | Brown & Borelli, Inc. | Kingfisher, OK 73750 | Oil & Gas Operator | Oct 2025 |
| 1556 | Brown & Fox | Iowa Park, TX 76367 | Oil & Gas Operator | Aug 2003 |
| 1557 | Brown Industrial Gas, Inc. | Tulsa, OK 74103 | Gas Operator | Sep 2013 |
| 1558 | Brown J K Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2003 |
| 1559 | Brown Oil & Gas Co. | Mexia, TX 76667 | Oil & Gas Operator | Oct 2025 |
| 1560 | Brown Tom Inc | Dallas, TX 75240 | Oil & Gas Operator | Mar 2015 |
| 1561 | Brown, Al A. | Houston, TX 77002 | Oil & Gas Operator | Feb 1998 |
| 1562 | Brown, Buddy | Livingston, TX 77351 | Oil & Gas Operator | Oct 2025 |
| 1563 | Brown, C. Douglas, LLC | Dallas, TX 75209 | Oil & Gas Operator | Dec 2005 |
| 1564 | Brown, C. L. Inc. | Corsicana, TX 75110 | Oil & Gas Operator | Dec 1999 |
| 1565 | Brown, Darryl | Graham, TX 76450 | Oil Operator | Dec 1995 |
| 1566 | Brown, Darryl Operating L.L.C. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 1567 | Brown, Edmond | Loving, TX 76460 | Oil & Gas Operator | Dec 2017 |
| 1568 | Brown, Frank | Graham, TX 76450 | Oil & Gas Operator | Apr 2003 |
| 1569 | Brown, Geo. R Partnership,LP,The | Houston, TX 77002 | Oil & Gas Operator | Oct 2025 |
| 1570 | Brown, George R. Partnership,The | Houston, TX 77002 | Oil & Gas Operator | May 2006 |
| 1571 | Brown, H. L., Jr. | Midland, TX 79702 | Oil & Gas Operator | May 2002 |
| 1572 | Brown, H.L. Operating, L.L.C. | Midland, TX 79702 | Oil & Gas Operator | Oct 2025 |
| 1573 | Brown, J. Burns Operating Co. | Havre, MT 59501 | Oil & Gas Operator | Jul 2025 |
| 1574 | Brown, John Oil Co. | Eagle Pass, TX 78852 | Oil & Gas Operator | Oct 2025 |
| 1575 | Brown, L. Z. | Andrews, TX 79714 | Gas Operator | Jan 1997 |
| 1576 | Brown, Leon | Wichita Falls, TX 76308 | Oil & Gas Operator | Jun 2005 |
| 1577 | Brown, Russell Operator, Inc. | Alice, TX 78333 | Oil & Gas Operator | Oct 2025 |
| 1578 | Brown, Toss H. | Lubbock, TX 79408 | Oil & Gas Operator | Aug 2003 |
| 1579 | Brown-Wiley Producing | Breckenridge, TX 76424 | Oil & Gas Operator | Jan 2008 |
| 1580 | Brownco Operating Co. | Wichita Falls, TX 76310 | Oil & Gas Operator | Oct 2025 |
| 1581 | Browning & Terry | Archer City, TX 76351 | Oil & Gas Operator | Feb 2009 |
| 1582 | Browning Exploration, Inc. | Dallas, TX 75206 | Oil & Gas Operator | Apr 1994 |
| 1583 | Browning Oil Company, Inc. | Dallas, TX 75251 | Oil & Gas Operator | Oct 2025 |
| 1584 | Browning Operating Co. | Bellevue, TX 76228 | Oil & Gas Operator | Jun 2020 |
| 1585 | Browning Operating Co., LLC | Henrietta, TX 76365 | Oil & Gas Operator | Oct 2025 |
| 1586 | Browning, L. P. | Van, TX 75790 | Oil & Gas Operator | Oct 2025 |
| 1587 | Browning-Brown Oil | Archer City, TX 76351 | Oil & Gas Operator | Jun 1996 |
| 1588 | Broyles, Charles R. | Pampa, TX 79065 | Gas Operator | Mar 2016 |
| 1589 | BRP Energy, LLC | San Angelo, TX 76902 | Oil & Gas Operator | Oct 2025 |
| 1590 | Bruce & Creighton | Graham, TX 76450 | Oil & Gas Operator | Apr 2000 |
| 1591 | Bruce Operating Account | Graham, TX 76450 | Oil & Gas Operator | Aug 2003 |
| 1592 | Bruington Operating, L.L.C. | San Antonio, TX 78217 | Oil & Gas Operator | Apr 2015 |
| 1593 | Brumbelow, Ronny L. | Wichita Falls, TX 76306 | Oil & Gas Operator | Oct 2004 |
| 1594 | Bruns, H. D. | Scottsville, VA 24590 | Oil & Gas Operator | Feb 2007 |
| 1595 | Brush Country Energy, L.L.C. | Reno, NV 89503 | Oil & Gas Operator | Nov 1998 |
| 1596 | Brushy Creek Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Oct 2025 |
| 1597 | Bry-Tex Partners, LLC | Jacksboro, TX 76458 | Oil Operator | Oct 2025 |
| 1598 | Bryan Exploration Company | Panhandle, TX 79068 | Gas Operator | Aug 1993 |
| 1599 | Bryant & Carr, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Dec 1994 |
| 1600 | Bryant & White Oil Co. | Whiteface, TX 79379 | Oil & Gas Operator | Nov 2012 |