| 2501 | Burris, J. R. | Manhattan, KS 66502 | Oil Operator | Dec 2019 |
| 2502 | Burrite Operating, LLC | | Oil Operator | Dec 2024 |
| 2503 | Burro Bluff Corporation | Houston, TX 77024 | Oil & Gas Operator | Apr 2025 |
| 2504 | Burrows Alfred | Copan, OK 74022 | Oil & Gas Operator | May 2021 |
| 2505 | Burrows Leroy And Barbara | Okemah, OK 74859 | Oil & Gas Operator | Dec 2024 |
| 2506 | Burskey David M | Carrolltown, PA 15722-0480 | Oil & Gas Operator | Dec 2024 |
| 2507 | Burt Esther M | Sperry, OK 74073 | Oil Operator | Nov 2024 |
| 2508 | Burt James & Charles Maybee | Sperry, OK 74073-8001 | Oil & Gas Operator | Nov 2014 |
| 2509 | Burtco | Lubbock, TX 79407 | Oil & Gas Operator | Apr 2025 |
| 2510 | Burton Oil Produ | | Oil Operator | Jan 1985 |
| 2511 | Burton Oil Properties | Ratliff City, OK 73081 | Oil & Gas Operator | Jan 2025 |
| 2512 | Burton Services, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2025 |
| 2513 | Burton, V.C. Oil & Gas, Inc. | Portland, TX 78374 | Oil & Gas Operator | Sep 2016 |
| 2514 | Burton-Sutton Oil Co., Inc. | | Oil & Gas Operator | Apr 1988 |
| 2515 | Burton/Hawks Inc | Casper, WY 82602 | Oil & Gas Operator | Sep 1993 |
| 2516 | Busey Naman | Elmore City, OK 73433-9583 | Oil & Gas Operator | Dec 2024 |
| 2517 | Bush Operating | Archer City, TX 76351 | Oil & Gas Operator | Apr 2025 |
| 2518 | Bush, Mark A. Oil And Gas Inc. | Houston, TX 77057 | Oil & Gas Operator | Apr 2025 |
| 2519 | Bushmaster Production Company, LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2025 |
| 2520 | Bushwood Leasing, LLC | | Oil Operator | Dec 2024 |
| 2521 | Buss, Timothy A. & Kimberly A. | Westfield, NY 14787 | Gas Operator | Dec 2023 |
| 2522 | Bussey, Joe F. | Graham, TX 76450 | Oil & Gas Operator | Mar 2008 |
| 2523 | Bustamante Oil Company | Midland, TX 79710 | Oil & Gas Operator | Apr 2025 |
| 2524 | Bustamante Resources LLC | Midland, TX 79710 | Oil & Gas Operator | Apr 2025 |
| 2525 | Busted Knuckle Oil & Gas LLC | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2024 |
| 2526 | Butcher Alvin | Cleveland, OK 74020 | Oil Operator | Mar 1998 |
| 2527 | Butcher Energy Corp | Newark, OH 43055 | Oil & Gas Operator | Dec 2014 |
| 2528 | Butkin Oil Company | Duncan, OK 73534-2090 | Oil & Gas Operator | Sep 2021 |
| 2529 | Butkin Oil Company LLC | Duncan, OK 73533 | Oil & Gas Operator | Mar 2023 |
| 2530 | Butler & Harbison | Olney, TX 76374 | Oil & Gas Operator | Oct 2005 |
| 2531 | Butler & Haseloff | Vernon, TX 76384 | Oil Operator | Jul 1993 |
| 2532 | Butler B F | Hobart, OK 73651 | Oil Operator | Apr 2014 |
| 2533 | Butler County Flood, Inc | Santa Monica, CA 90409 | Oil Operator | Dec 2015 |
| 2534 | Butler Larry | Bladensburg, OH 43005 | Oil & Gas Operator | Dec 2019 |
| 2535 | Butler Oil Co | Casper, WY 82602 | Oil & Gas Operator | Dec 1996 |
| 2536 | Butler Petroleum Corp | Norman, OK 73069-7111 | Oil & Gas Operator | Dec 1998 |
| 2537 | Butler Petroleum LLC | Van Alstyne, TX 75495 | Oil Operator | May 2020 |
| 2538 | Butler, C. D. | Grandfalls, TX 79742 | Oil & Gas Operator | Dec 2004 |
| 2539 | Butler, Cecil D | | Oil & Gas Operator | Jan 2025 |
| 2540 | Butler, Harold F. | Independence, KS 67301 | Oil Operator | Sep 2002 |
| 2541 | Butler, Kevin O. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 2542 | Butler, Kevin O. & Assoc., Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 2543 | Butte Oil And Gas Inc | Oklahoma City, OK 73120 | Oil & Gas Operator | Jan 2025 |
| 2544 | Buttes Gas & Oil Co | | Oil & Gas Operator | Dec 2009 |
| 2545 | Buttes Res Co | | Oil Operator | Dec 2023 |
| 2546 | Buttes Resources Company | Houston, TX 77056 | Oil & Gas Operator | May 2007 |
| 2547 | Buttonwood Petro | | Oil & Gas Operator | Aug 1994 |
| 2548 | Buttonwood Petroleum Inc | Tulsa, OK 74136-4234 | Oil & Gas Operator | Jan 2014 |
| 2549 | Buttram Energies Inc | Oklahoma City, OK 73112-7235 | Oil & Gas Operator | Nov 2021 |
| 2550 | Buttram Operating Company LLC | Heath, TX 75032-1931 | Oil & Gas Operator | Jan 2025 |
| 2551 | Buxton Energy LLC | Oklahoma City, OK 73116-9111 | Oil & Gas Operator | Apr 2014 |
| 2552 | Buxton Fred M | Oklahoma City, OK 73116-9111 | Oil & Gas Operator | Feb 2007 |
| 2553 | BVD Inc | Yates Center, KS 66783-0194 | Oil & Gas Operator | Feb 2025 |
| 2554 | BVX Operating, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Apr 2025 |
| 2555 | BW Oil LLC | Hamel, MN 55340 | Oil Operator | Jun 2015 |
| 2556 | Bwab Incorporated | Denver, CO 80202 | Oil & Gas Operator | Aug 1996 |
| 2557 | BWB Resources Inc | Colorado Springs, CO 80908-7204 | Oil & Gas Operator | Jan 2016 |
| 2558 | BWC Energy LLC | Edgerton, KS 66021 | Oil Operator | Dec 2024 |
| 2559 | BXP Operating, LLC | Houston, TX 77079 | Oil & Gas Operator | Apr 2025 |
| 2560 | Byargeon & Sons Oil Co. | | Oil Operator | Nov 2000 |
| 2561 | Byars Bill Inc | Okmulgee, OK 74447-0850 | Oil & Gas Operator | Apr 2015 |
| 2562 | Bye, April & Scott | Kevin, MT 59454 | Oil & Gas Operator | Feb 2025 |
| 2563 | Byers Clarice An | | Oil Operator | Nov 1988 |
| 2564 | Byers, R.D. | Vernon, TX 76384 | Oil & Gas Operator | Feb 1998 |
| 2565 | Bykowicz, Francis J. | Elma, NY 14059 | Gas Operator | Dec 2023 |
| 2566 | Byler Drilling Company | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 2567 | Byng Energy Group Inc | Enid, OK 73703 | Oil & Gas Operator | Apr 2025 |
| 2568 | Byng Operating LLC | Ada, OK 74820-0677 | Oil & Gas Operator | Jan 2025 |
| 2569 | Bynum Oil Company, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jul 2003 |
| 2570 | Byrd Operating Company | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 2571 | Byrne Oil Company | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2025 |
| 2572 | Byrne, Robert E. | Lubbock, TX 79416 | Oil & Gas Operator | Jan 2005 |
| 2573 | Byron Oil Industries Inc | Ballwin, MO 63011 | Oil & Gas Operator | Apr 2019 |
| 2574 | Byron Ruple | | Oil Operator | Jan 2025 |
| 2575 | Bytex Oil Company | Midland, TX 79708 | Oil & Gas Operator | Jan 2019 |