| 1401 | Blanco Engineering Inc. | Artesia, NM 88210 | Oil & Gas Operator | Feb 1997 |
| 1402 | Blanco Oil Co. | San Antonio, TX 78230 | Oil & Gas Operator | Feb 2004 |
| 1403 | Blanco Oil Co., Etal | | Oil Operator | Aug 1985 |
| 1404 | Blanford, Phillip | Sebree, KY 42455 | Oil Operator | Dec 2023 |
| 1405 | Blanke, Richard L. | Pavilion, NY 14525 | Gas Operator | Dec 2024 |
| 1406 | Blankenship, Lahoma J | | Gas Operator | Dec 2012 |
| 1407 | Blanton, James M. | Frankfort, KY 40621 | Gas Operator | Dec 2021 |
| 1408 | Blaufuss Oil LLC | Garnett, KS 66032 | Oil Operator | Aug 2025 |
| 1409 | Blauser Energy Corporation | Marietta, OH 45750-6964 | Oil & Gas Operator | Dec 2018 |
| 1410 | Blaze Oil & Gas Inc | Wooster, OH 44691 | Oil & Gas Operator | Dec 2024 |
| 1411 | Blazer Energy Corp. | Alexandria, VA 22314 | Oil & Gas Operator | Dec 2014 |
| 1412 | Blazer Resources, Inc. | Leesburg, TX 75451 | Oil & Gas Operator | Feb 2026 |
| 1413 | Blazer, John A. | Oak Grove, AR 72660 | Oil Operator | Oct 1995 |
| 1414 | BLB Inc | Kingfisher, OK 73750 | Oil & Gas Operator | Oct 2025 |
| 1415 | Bledsco, Inc. | Holliday, TX 76366 | Oil Operator | Feb 2010 |
| 1416 | Bledsoe Partners, Inc. | Oklahoma City, OK 73120 | Oil & Gas Operator | Mar 1995 |
| 1417 | Bledsoe Petro Corporation | Dallas, TX 75201 | Oil & Gas Operator | Dec 2000 |
| 1418 | Bledsoe, R.K. Trust Oil Operator | Jourdanton, TX 78026 | Oil & Gas Operator | Feb 2026 |
| 1419 | Blessed Operating LLC | Medicine Lodge, KS 67104 | Oil & Gas Operator | Sep 2025 |
| 1420 | Blessing Energy, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Feb 2026 |
| 1421 | Blevins Production LLC | Jacksboro, TX 76458 | Oil Operator | Feb 2026 |
| 1422 | Bligh Petroleum, Inc. | | Oil & Gas Operator | Jun 2004 |
| 1423 | Bliss Pet Corporation | Hobbs, NM BAD ADDR | Gas Operator | Nov 1995 |
| 1424 | BLM Black Gold Properties, LTD. | Lubbock, TX 79423 | Oil & Gas Operator | Feb 2026 |
| 1425 | Block "T" Petroleum, Inc. | Tyler, TX 75707 | Oil & Gas Operator | Feb 2026 |
| 1426 | Block T Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | Oct 2025 |
| 1427 | Blocker Exploration Company | | Oil & Gas Operator | Apr 1983 |
| 1428 | Bloomer & Associates, Inc. | Lago VIsta, TX 78645 | Oil & Gas Operator | Jul 2002 |
| 1429 | Bloomer Well Ser | | Oil Operator | Mar 1995 |
| 1430 | Bloomer Well Service | | Oil Operator | Dec 2009 |
| 1431 | Bloomer, Don C. And Bessie L. Liv. Trust | Rantoul, KS 66079 | Oil Operator | Dec 2024 |
| 1432 | Bloomfield Partners II LLC | | Oil & Gas Operator | Dec 2005 |
| 1433 | Bloomingdale Oil LLC | | Oil Operator | Dec 2024 |
| 1434 | Bloxom, John Tom | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2007 |
| 1435 | BLS Oil & Gas LLC | Dubois, PA 15801-0039 | Oil & Gas Operator | Dec 2024 |
| 1436 | BLS Production Co., Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Feb 2026 |
| 1437 | BLS Resources, Inc. | Rosharon, TX 77583 | Oil & Gas Operator | Feb 2001 |
| 1438 | Blu Oil Inc | Fairlawn, OH 44334 | Oil & Gas Operator | Dec 2024 |
| 1439 | Blubaugh Charles | | Oil Operator | Feb 1995 |
| 1440 | Blubaugh David | Danville, OH 43014 | Oil & Gas Operator | Dec 2007 |
| 1441 | Blubaugh Marvin C | Tonkawa, OK 74653-4739 | Oil & Gas Operator | Nov 2014 |
| 1442 | Blubaugh Ronald D | Tonkawa, OK 74653-0066 | Oil & Gas Operator | Sep 2014 |
| 1443 | Bluco Production Co., Inc. | Austin, TX 78716 | Oil & Gas Operator | Feb 2026 |
| 1444 | Blue Arrow Operating, LLC | Midland, TX 79705 | Oil & Gas Operator | Feb 2026 |
| 1445 | Blue Bay Oil & Gas, L L C | | Gas Operator | Jan 2018 |
| 1446 | Blue Bear Energy LLC | Coalgate, OK 74538-3898 | Gas Operator | Nov 2025 |
| 1447 | Blue Bird Oil & Gas Prod. Co. | | Gas Operator | Dec 2007 |
| 1448 | Blue Bison Operating LLC | Chickasha, OK 73018 | Oil & Gas Operator | Oct 2025 |
| 1449 | Blue Cedar Energy LLC | Edmond, OK 73013 | Oil & Gas Operator | Nov 2025 |
| 1450 | Blue Chip Oil Inc | | Oil & Gas Operator | Oct 2025 |
| 1451 | Blue Creek Gas Co. | | Oil & Gas Operator | Jun 2014 |
| 1452 | Blue Creek Inc | Fort Worth, TX 76181 | Oil & Gas Operator | Jul 2002 |
| 1453 | Blue Creek Resources, Inc. | | Oil & Gas Operator | May 1990 |
| 1454 | Blue Devil Exploration LLC | Tulsa, OK 74103-4217 | Oil & Gas Operator | Jan 2024 |
| 1455 | Blue Diamond Drilling, Inc. | | Oil Operator | Nov 1995 |
| 1456 | Blue Diamond Holdings, LLC | Wellsville, KS 66092 | Oil Operator | Dec 2009 |
| 1457 | Blue Diamond Mountain, LLC | Marble Falls, TX 78654 | Oil Operator | Feb 2026 |
| 1458 | Blue Dolphin Production LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Nov 2025 |
| 1459 | Blue Dome Operating, LLC | Tulsa, OK 74119 | Gas Operator | Feb 2026 |
| 1460 | Blue Duck Corporation | Mont Belvieu, TX 77580 | Oil & Gas Operator | Sep 2011 |
| 1461 | Blue Energy LLC | Scottsdale, AZ 85250 | Oil & Gas Operator | Dec 2020 |
| 1462 | Blue Flame Energy Corp | Pikeville, KY 41501 | Oil & Gas Operator | Dec 2023 |
| 1463 | Blue Goose Drill | | Oil Operator | Aug 1991 |
| 1464 | Blue Goose Drilling Company, Inc. | Great Bend, KS 67530 | Oil Operator | Sep 2025 |
| 1465 | Blue Grass Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Nov 2025 |
| 1466 | Blue Group Operating, Inc. | Spencer, WV 25276 | Oil & Gas Operator | Nov 2021 |
| 1467 | Blue Jay Operating, LLC | Fort Worth, TX 76107 | Gas Operator | Dec 2009 |
| 1468 | Blue Lake Gas Storage Co | | Oil & Gas Operator | Oct 2016 |
| 1469 | Blue Marble Resources Op, LLC | Houston, TX 77027 | Oil & Gas Operator | Feb 2019 |
| 1470 | Blue Mill Farms, Inc. | | Oil & Gas Operator | Apr 1992 |
| 1471 | Blue Mountain Company, Inc. | Wichita, KS 67212 | Oil Operator | Feb 1999 |
| 1472 | Blue Oil, Inc. | Burnet, TX 78611 | Oil & Gas Operator | Feb 2026 |
| 1473 | Blue Owl Energy LLC | Canada, 00100 | Oil Operator | Feb 2026 |
| 1474 | Blue Ox Partners LLC | Denver, CO 80223-3106 | Gas Operator | Jun 2018 |
| 1475 | Blue Quail Oil & Gas Inc | Yukon, OK 73099 | Oil & Gas Operator | Dec 2004 |
| 1476 | Blue Quail Oil Co. | Midland, TX 79706 | Oil & Gas Operator | Feb 2026 |
| 1477 | Blue Ridge Group, Inc. | Bowling Green, KY 42101 | Oil & Gas Operator | Dec 2023 |
| 1478 | Blue Ridge Oil & Gas Exp., Inc. | Belleville, MI 48111 | Gas Operator | Jul 1994 |
| 1479 | Blue Ridge Operating Company,Inc | Ashland, OR 97520 | Oil & Gas Operator | Oct 1998 |
| 1480 | Blue Ridge Operating LLC | Willis, TX 77378 | Oil Operator | Feb 2026 |
| 1481 | Blue Ridge Resources, LLC | Midland, TX 79710 | Oil & Gas Operator | Feb 2026 |
| 1482 | Blue River Inc. | Abilene, TX 79608 | Oil Operator | Feb 2026 |
| 1483 | Blue Ruby Operating, LLC | Midland, TX 79706 | Oil & Gas Operator | Nov 2020 |
| 1484 | Blue Sky Investments LLC | Harper, KS 67058 | Oil Operator | Dec 2009 |
| 1485 | Blue Sky NM, Inc. | Houston, TX 77024 | Oil Operator | Oct 2017 |
| 1486 | Blue Spruce Operating LLC | Pinedale, WY 82941 | Oil & Gas Operator | Nov 2025 |
| 1487 | Blue Star Energy, Inc. | Shawnee, OK 74802 | Oil & Gas Operator | Feb 2026 |
| 1488 | Blue Star Natural Resources, LLC | San Angelo, TX 76906 | Oil & Gas Operator | Feb 2026 |
| 1489 | Blue Star Operating Company | Kilgore, TX 75663 | Oil & Gas Operator | Feb 2026 |
| 1490 | Blue Steel Investments, LLC | Edmond, OK 73013 | Oil Operator | Sep 2025 |
| 1491 | Blue Tip Castlegate, Inc | Erie, KS 66733 | Gas Operator | Jun 2016 |
| 1492 | Blue Tip Energy Wyoming Inc | Houston, TX 77284 | Oil Operator | Jun 2016 |
| 1493 | Blue Top Crude Oil Co., Inc. | Farlington, KS 66734 | Oil Operator | Sep 2025 |
| 1494 | Blue Top Energy LLC | Westport, CT 06880 | Oil Operator | Dec 2019 |
| 1495 | Blue Valley Petroleum, LTD. | | Oil Operator | Jun 1991 |
| 1496 | Blue Water Resources LLC | Tulsa, OK 74136 | Oil & Gas Operator | Nov 2025 |
| 1497 | Blue Water Solutions LLC | Oklahoma City, OK 73134-1002 | Oil & Gas Operator | Nov 2025 |
| 1498 | Blue Wing Energy, Inc. | Portland, TX 78374 | Oil & Gas Operator | Feb 2026 |
| 1499 | Bluebird Energy, LLC | Billings, MT 59102 | Oil Operator | Nov 2025 |
| 1500 | Bluebird Production, Inc. | Great Bend, KS 67530 | Oil Operator | Nov 2011 |