| 2401 | Burr Oil & Gas | Farmington, NM 87499 | Oil & Gas Operator | Feb 2000 |
| 2402 | Burr Oil & Gas Inc | Farmington, NM 87499 | Oil & Gas Operator | Oct 2019 |
| 2403 | Burrill Oil | | Oil Operator | Aug 1990 |
| 2404 | Burris Energy LLC | Burlington, KS 66839 | Oil & Gas Operator | Sep 2016 |
| 2405 | Burris Ronald/Si | | Oil Operator | Jun 1992 |
| 2406 | Burris, J. R. | Manhattan, KS 66502 | Oil Operator | Dec 2019 |
| 2407 | Burrite Operating, LLC | | Oil Operator | Dec 2024 |
| 2408 | Burro Bluff Corporation | Houston, TX 77024 | Oil & Gas Operator | May 2026 |
| 2409 | Burrows Alfred | Copan, OK 74022 | Oil & Gas Operator | May 2021 |
| 2410 | Burrows, Dewey | | Oil & Gas Operator | Jan 2026 |
| 2411 | Burt Esther M | Sperry, OK 74073 | Oil Operator | Dec 2025 |
| 2412 | Burt James & Charles Maybee | Sperry, OK 74073-8001 | Oil & Gas Operator | Nov 2014 |
| 2413 | Burtco | Lubbock, TX 79407 | Oil & Gas Operator | May 2026 |
| 2414 | Burton Oil Produ | | Oil Operator | Jan 1985 |
| 2415 | Burton Oil Properties | Ratliff City, OK 73081 | Oil & Gas Operator | Jan 2026 |
| 2416 | Burton Services, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | May 2026 |
| 2417 | Burton, V.C. Oil & Gas, Inc. | Portland, TX 78374 | Oil & Gas Operator | Sep 2016 |
| 2418 | Burton-Sutton Oil Co., Inc. | | Oil & Gas Operator | Apr 1988 |
| 2419 | Burton/Hawks Inc | Casper, WY 82602 | Oil & Gas Operator | Sep 1993 |
| 2420 | Busey Naman | Elmore City, OK 73433-9583 | Oil & Gas Operator | Nov 2025 |
| 2421 | Bush Operating | Archer City, TX 76351 | Oil & Gas Operator | May 2026 |
| 2422 | Bush, Mark A. Oil And Gas Inc. | Houston, TX 77057 | Oil & Gas Operator | May 2026 |
| 2423 | Bushmaster Production Company, LLC | Corpus Christ, TX 78401 | Oil & Gas Operator | May 2026 |
| 2424 | Bushwood Leasing, LLC | | Oil Operator | Dec 2024 |
| 2425 | Buss, Timothy A. & Kimberly A. | Westfield, NY 14787 | Gas Operator | Dec 2024 |
| 2426 | Bussey, Joe F. | Graham, TX 76450 | Oil & Gas Operator | Mar 2008 |
| 2427 | Bustamante Oil Company | Midland, TX 79710 | Oil & Gas Operator | May 2026 |
| 2428 | Bustamante Resources LLC | Midland, TX 79710 | Oil & Gas Operator | May 2026 |
| 2429 | Busted Knuckle Oil & Gas LLC | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2025 |
| 2430 | Butcher Energy Corp | Newark, OH 43055 | Oil & Gas Operator | Dec 2014 |
| 2431 | Butkin Oil Company | Duncan, OK 73534-2090 | Oil & Gas Operator | Sep 2021 |
| 2432 | Butkin Oil Company LLC | Duncan, OK 73533 | Oil & Gas Operator | Mar 2023 |
| 2433 | Butler & Harbison | Olney, TX 76374 | Oil & Gas Operator | Oct 2005 |
| 2434 | Butler & Haseloff | Vernon, TX 76384 | Oil Operator | Jul 1993 |
| 2435 | Butler B F | Hobart, OK 73651 | Oil Operator | Apr 2014 |
| 2436 | Butler County Flood, Inc | Santa Monica, CA 90409 | Oil Operator | Dec 2015 |
| 2437 | Butler Larry | Bladensburg, OH 43005 | Oil & Gas Operator | Dec 2019 |
| 2438 | Butler Oil Co | Casper, WY 82602 | Oil & Gas Operator | Dec 1996 |
| 2439 | Butler Petroleum Corp | Norman, OK 73069-7111 | Oil & Gas Operator | Dec 1998 |
| 2440 | Butler Petroleum LLC | Van Alstyne, TX 75495 | Oil Operator | May 2020 |
| 2441 | Butler, C. D. | Grandfalls, TX 79742 | Oil & Gas Operator | Dec 2004 |
| 2442 | Butler, Cecil D | | Oil & Gas Operator | Jan 2026 |
| 2443 | Butler, Harold F. | Independence, KS 67301 | Oil Operator | Sep 2002 |
| 2444 | Butler, Kevin O. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 2445 | Butler, Kevin O. & Assoc., Inc. | Midland, TX 79702 | Oil & Gas Operator | May 2026 |
| 2446 | Butte Oil And Gas Inc | Oklahoma City, OK 73120 | Oil & Gas Operator | Feb 2026 |
| 2447 | Buttes Gas & Oil Co | | Oil & Gas Operator | Dec 2009 |
| 2448 | Buttes Resources Company | Houston, TX 77056 | Oil & Gas Operator | May 2007 |
| 2449 | Buttonwood Petro | | Oil & Gas Operator | Aug 1994 |
| 2450 | Buttonwood Petroleum Inc | Tulsa, OK 74136-4234 | Oil & Gas Operator | Jan 2014 |
| 2451 | Buttram Energies Inc | Oklahoma City, OK 73112-7235 | Oil & Gas Operator | Nov 2021 |
| 2452 | Buttram Operating Company LLC | Heath, TX 75032-1931 | Oil & Gas Operator | Nov 2025 |
| 2453 | Buxton Energy LLC | Oklahoma City, OK 73116-9111 | Oil & Gas Operator | Apr 2014 |
| 2454 | Buxton Fred M | Oklahoma City, OK 73116-9111 | Oil & Gas Operator | Feb 2007 |
| 2455 | BVD Inc | Yates Center, KS 66783-0194 | Oil & Gas Operator | Feb 2026 |
| 2456 | BVX Operating, Inc. | Boerne, TX 78006 | Oil & Gas Operator | May 2026 |
| 2457 | BW Oil LLC | Hamel, MN 55340 | Oil Operator | Jun 2015 |
| 2458 | Bwab Incorporated | Denver, CO 80202 | Oil & Gas Operator | Aug 1996 |
| 2459 | BWB Resources Inc | Colorado Springs, CO 80908-7204 | Oil & Gas Operator | Jan 2016 |
| 2460 | BWC Energy LLC | Edgerton, KS 66021 | Oil Operator | Dec 2025 |
| 2461 | BXP Operating, LLC | Houston, TX 77079 | Oil & Gas Operator | May 2026 |
| 2462 | Byargeon & Sons Oil Co. | | Oil Operator | Nov 2000 |
| 2463 | Byars Bill Inc | Okmulgee, OK 74447-0850 | Oil & Gas Operator | Apr 2015 |
| 2464 | Byers Clarice An | | Oil Operator | Nov 1988 |
| 2465 | Byers, R.D. | Vernon, TX 76384 | Oil & Gas Operator | Feb 1998 |
| 2466 | Bykowicz, Francis J. | Elma, NY 14059 | Gas Operator | Dec 2024 |
| 2467 | Byler Drilling Company | Midland, TX 79702 | Oil & Gas Operator | May 2026 |
| 2468 | Byng Energy Group Inc | Enid, OK 73703 | Oil & Gas Operator | May 2026 |
| 2469 | Byng Operating LLC | Ada, OK 74820-0677 | Oil & Gas Operator | Feb 2026 |
| 2470 | Bynum Oil Company, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jul 2003 |
| 2471 | Byrd Operating Company | Midland, TX 79702 | Oil & Gas Operator | May 2026 |
| 2472 | Byrne Oil Company | Lubbock, TX 79464 | Oil & Gas Operator | May 2026 |
| 2473 | Byrne, Robert E. | Lubbock, TX 79416 | Oil & Gas Operator | Jan 2005 |
| 2474 | Byron Oil Industries Inc | Ballwin, MO 63011 | Oil & Gas Operator | Apr 2019 |
| 2475 | Byron Ruple | | Oil Operator | Jan 2025 |
| 2476 | Bytex Oil Company | Midland, TX 79708 | Oil & Gas Operator | Jan 2019 |