| 1401 | Bledsoe Petro Corporation | Dallas, TX 75201 | Oil & Gas Operator | Dec 2000 |
| 1402 | Bledsoe, R.K. Trust Oil Operator | Jourdanton, TX 78026 | Oil & Gas Operator | Sep 2025 |
| 1403 | Blessed Operating LLC | Medicine Lodge, KS 67104 | Oil & Gas Operator | May 2025 |
| 1404 | Blessing Energy, Inc. | Giddings, TX 78942 | Oil & Gas Operator | Sep 2025 |
| 1405 | Blevins Production LLC | Jacksboro, TX 76458 | Oil Operator | Sep 2025 |
| 1406 | Bligh Petroleum, Inc. | | Oil & Gas Operator | Jun 2004 |
| 1407 | Bliss Pet Corporation | Hobbs, NM BAD ADDR | Gas Operator | Nov 1995 |
| 1408 | BLM Black Gold Properties, LTD. | Lubbock, TX 79423 | Oil & Gas Operator | Sep 2025 |
| 1409 | Block "T" Petroleum, Inc. | Tyler, TX 75707 | Oil & Gas Operator | Sep 2025 |
| 1410 | Block T Operating, LLC | Dallas, TX 75201 | Oil & Gas Operator | Jun 2025 |
| 1411 | Blocker Exploration Company | | Oil & Gas Operator | Apr 1983 |
| 1412 | Bloomer & Associates, Inc. | Lago VIsta, TX 78645 | Oil & Gas Operator | Jul 2002 |
| 1413 | Bloomer Well Ser | | Oil Operator | Mar 1995 |
| 1414 | Bloomer Well Service | | Oil Operator | Dec 2009 |
| 1415 | Bloomer, Don C. And Bessie L. Liv. Trust | Rantoul, KS 66079 | Oil Operator | Dec 2024 |
| 1416 | Bloomfield Partners II LLC | | Oil & Gas Operator | Dec 2005 |
| 1417 | Bloomingdale Oil LLC | | Oil Operator | Dec 2024 |
| 1418 | Bloxom, John Tom | Breckenridge, TX 76424 | Oil & Gas Operator | Sep 2007 |
| 1419 | BLS Oil & Gas LLC | Dubois, PA 15801-0039 | Oil & Gas Operator | Dec 2024 |
| 1420 | BLS Production Co., Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Sep 2025 |
| 1421 | BLS Resources, Inc. | Rosharon, TX 77583 | Oil & Gas Operator | Feb 2001 |
| 1422 | Blu Oil Inc | Fairlawn, OH 44334 | Oil & Gas Operator | Dec 2024 |
| 1423 | Blubaugh Charles | | Oil Operator | Feb 1995 |
| 1424 | Blubaugh David | Danville, OH 43014 | Oil & Gas Operator | Dec 2007 |
| 1425 | Blubaugh Marvin C | Tonkawa, OK 74653-4739 | Oil & Gas Operator | Nov 2014 |
| 1426 | Blubaugh Ronald D | Tonkawa, OK 74653-0066 | Oil & Gas Operator | Sep 2014 |
| 1427 | Bluco Production Co., Inc. | Austin, TX 78716 | Oil & Gas Operator | Sep 2025 |
| 1428 | Blue & Gray Energy Inc | | Oil & Gas Operator | Jun 2011 |
| 1429 | Blue Bay Oil & Gas, L L C | | Gas Operator | Jan 2018 |
| 1430 | Blue Bear Energy LLC | Coalgate, OK 74538-3898 | Gas Operator | Jun 2025 |
| 1431 | Blue Bison Operating LLC | Chickasha, OK 73018 | Oil & Gas Operator | Jun 2025 |
| 1432 | Blue Cedar Energy LLC | Edmond, OK 73013 | Oil & Gas Operator | Jul 2025 |
| 1433 | Blue Chip Oil Inc | | Oil & Gas Operator | Jun 2025 |
| 1434 | Blue Creek Gas Co. | | Oil & Gas Operator | Jun 2014 |
| 1435 | Blue Creek Inc | Fort Worth, TX 76181 | Oil & Gas Operator | Dec 2002 |
| 1436 | Blue Creek Resources, Inc. | | Oil & Gas Operator | May 1990 |
| 1437 | Blue Devil Exploration LLC | Tulsa, OK 74103-4217 | Oil & Gas Operator | Jan 2024 |
| 1438 | Blue Diamond Drilling, Inc. | | Oil Operator | Nov 1995 |
| 1439 | Blue Diamond Holdings, LLC | Wellsville, KS 66092 | Oil Operator | Dec 2009 |
| 1440 | Blue Diamond Mountain, LLC | Marble Falls, TX 78654 | Oil Operator | Sep 2025 |
| 1441 | Blue Dolphin Production LLC | Oklahoma City, OK 73142 | Oil & Gas Operator | Jul 2025 |
| 1442 | Blue Dome Operating, LLC | Tulsa, OK 74119 | Gas Operator | Sep 2025 |
| 1443 | Blue Duck Corporation | Mont Belvieu, TX 77580 | Oil & Gas Operator | Sep 2011 |
| 1444 | Blue Energy LLC | Scottsdale, AZ 85250 | Oil & Gas Operator | Dec 2020 |
| 1445 | Blue Flame Energy Corp | Pikeville, KY 41501 | Oil & Gas Operator | Dec 2023 |
| 1446 | Blue Goose Drill | | Oil Operator | Aug 1991 |
| 1447 | Blue Goose Drilling Company, Inc. | Great Bend, KS 67530 | Oil Operator | May 2025 |
| 1448 | Blue Grass Energy, Inc. | Houston, TX 77057 | Oil & Gas Operator | Jul 2025 |
| 1449 | Blue Group Operating, Inc. | Spencer, WV 25276 | Oil & Gas Operator | Nov 2021 |
| 1450 | Blue Jay Operating, LLC | Fort Worth, TX 76107 | Gas Operator | Dec 2009 |
| 1451 | Blue Lake Gas Storage Co | | Oil & Gas Operator | Oct 2016 |
| 1452 | Blue Marble Resources Op, LLC | Houston, TX 77027 | Oil & Gas Operator | Feb 2019 |
| 1453 | Blue Mill Farms, Inc. | | Oil & Gas Operator | Apr 1992 |
| 1454 | Blue Mountain Company, Inc. | Wichita, KS 67212 | Oil Operator | Feb 1999 |
| 1455 | Blue Oil, Inc. | Burnet, TX 78611 | Oil & Gas Operator | Sep 2025 |
| 1456 | Blue Owl Energy LLC | Canada, 00100 | Oil Operator | Sep 2025 |
| 1457 | Blue Quail Oil & Gas Inc | Yukon, OK 73099 | Oil & Gas Operator | Dec 2004 |
| 1458 | Blue Quail Oil Co. | Midland, TX 79706 | Oil & Gas Operator | Sep 2025 |
| 1459 | Blue Ridge Group, Inc. | Bowling Green, KY 42101 | Oil & Gas Operator | Dec 2023 |
| 1460 | Blue Ridge Oil & Gas Exp., Inc. | Belleville, MI 48111 | Gas Operator | Jul 1994 |
| 1461 | Blue Ridge Operating Company,Inc | Ashland, OR 97520 | Oil & Gas Operator | Oct 1998 |
| 1462 | Blue Ridge Operating LLC | Willis, TX 77378 | Oil Operator | Sep 2025 |
| 1463 | Blue Ridge Resources, LLC | Midland, TX 79710 | Oil & Gas Operator | Sep 2025 |
| 1464 | Blue River Inc. | Abilene, TX 79608 | Oil Operator | Sep 2025 |
| 1465 | Blue Ruby Operating, LLC | Midland, TX 79706 | Oil & Gas Operator | Nov 2020 |
| 1466 | Blue Sky Industries LLC | Greenville, TX 75403 | Oil Operator | Jun 2025 |
| 1467 | Blue Sky Investments LLC | Harper, KS 67058 | Oil Operator | Dec 2009 |
| 1468 | Blue Sky NM, Inc. | Houston, TX 77024 | Oil Operator | Oct 2017 |
| 1469 | Blue Spruce Operating LLC | Pinedale, WY 82941 | Oil & Gas Operator | Jul 2025 |
| 1470 | Blue Star Energy, Inc. | Shawnee, OK 74802 | Oil & Gas Operator | Sep 2025 |
| 1471 | Blue Star Natural Resources, LLC | San Angelo, TX 76906 | Oil & Gas Operator | Sep 2025 |
| 1472 | Blue Star Operating Company | Kilgore, TX 75663 | Oil & Gas Operator | Sep 2025 |
| 1473 | Blue Steel Investments, LLC | Edmond, OK 73013 | Oil Operator | Oct 2024 |
| 1474 | Blue Tip Castlegate, Inc | Erie, KS 66733 | Gas Operator | Jun 2016 |
| 1475 | Blue Tip Energy Wyoming Inc | Houston, TX 77284 | Oil Operator | Jun 2016 |
| 1476 | Blue Top Crude Oil Co., Inc. | Farlington, KS 66734 | Oil Operator | May 2025 |
| 1477 | Blue Top Energy LLC | Westport, CT 06880 | Oil Operator | Dec 2019 |
| 1478 | Blue Valley Petroleum, LTD. | | Oil Operator | Jun 1991 |
| 1479 | Blue Water Resources LLC | Tulsa, OK 74136 | Oil & Gas Operator | Jun 2025 |
| 1480 | Blue Water Solutions LLC | Oklahoma City, OK 73134-1002 | Oil & Gas Operator | Jul 2025 |
| 1481 | Blue Wing Energy, Inc. | Portland, TX 78374 | Oil & Gas Operator | Sep 2025 |
| 1482 | Bluebird Energy, LLC | Billings, MT 59102 | Oil Operator | Jul 2025 |
| 1483 | Bluebird Production, Inc. | Great Bend, KS 67530 | Oil Operator | Nov 2011 |
| 1484 | Bluebonnet Energy Corporation | Englewood, CO 80112 | Oil & Gas Operator | Sep 2015 |
| 1485 | Bluebonnet Exploration Company | New Braunfels, TX 78130 | Oil & Gas Operator | Apr 2018 |
| 1486 | Bluebonnet Land & Cattle Co. | Graham, TX 76450 | Oil & Gas Operator | Sep 2025 |
| 1487 | Bluebonnet Oil & Gas | Three Rivers, TX 78071 | Oil & Gas Operator | Sep 2025 |
| 1488 | Bluebonnet Oil Corporation | Oklahoma City, OK 73162-6249 | Oil & Gas Operator | Jun 2025 |
| 1489 | Bluebonnet Oil LLC | Oklahoma City, OK 73162-6249 | Oil & Gas Operator | Jul 2025 |
| 1490 | Bluecrest Alaska Operating LLC | | Oil & Gas Operator | Jul 2025 |
| 1491 | Bluefin Resources LLC | Houston, TX 77079 | Oil & Gas Operator | Oct 2023 |
| 1492 | Bluegrass Exploration LLC | | Oil Operator | Dec 2023 |
| 1493 | Bluehawk Properties Inc | Riverside, CA 92517-1045 | Oil & Gas Operator | Dec 2016 |
| 1494 | Bluejacket Operating, LLC | | Oil Operator | May 2025 |
| 1495 | Bluejay Energy Corporation | Waxahachie, TX 75168 | Oil Operator | Feb 2008 |
| 1496 | Bluemark Energy, LLC | Tulsa, OK 74135 | Oil & Gas Operator | Jun 2025 |
| 1497 | Blueridge Gas Partners, LLC | Spicewood, TX 78669 | Oil & Gas Operator | Dec 2021 |
| 1498 | Blueridge Petroleum Corporation | Edmond, OK 73003 | Oil & Gas Operator | May 2025 |
| 1499 | Bluestem Energy Holdings, LLC | The Woodlands, TX 77380 | Oil & Gas Operator | Jun 2015 |
| 1500 | Bluestem Natural Gas LLC | Bixby, OK 74008 | Oil & Gas Operator | Sep 2025 |