| 4301 | Burlington Resources Oil & Gas Company L | Gillette, WY 82718 | Oil & Gas Operator | Jan 2022 |
| 4302 | Burlington Resources Oil & Gas Company LP | Houston, TX 77252 | Oil & Gas Operator | Apr 2025 |
| 4303 | Burlington Resources Oil & Gas LP | | Oil & Gas Operator | Feb 2020 |
| 4304 | Burlington Resources Oil And Gas Co. | Houston, TX 77210 | Oil & Gas Operator | Mar 2023 |
| 4305 | Burmaster, Gary | Sheridan, NY 14135 | Gas Operator | Dec 2023 |
| 4306 | Burness, William Steele Jr | Glasgow, KY 42142 | Oil Operator | Dec 2022 |
| 4307 | Burnett Corp. | Amarillo, TX 79105 | Oil & Gas Operator | May 1998 |
| 4308 | Burnett Corporat | | Oil & Gas Operator | Oct 1993 |
| 4309 | Burnett Energy Inc. | | Oil & Gas Operator | Feb 2025 |
| 4310 | Burnett Oil Co Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2025 |
| 4311 | Burnham & Browning DRLG Co. | | Oil Operator | Oct 1990 |
| 4312 | Burnison, Amanda | Attica, NY 14011 | Gas Operator | Dec 2023 |
| 4313 | Burns Eugene | Davis, OK 73030-3112 | Oil Operator | Mar 2006 |
| 4314 | Burns Oil & Gas Expl. | | Oil & Gas Operator | Jan 1985 |
| 4315 | Burns Operating | Wichita Falls, TX 76307 | Oil & Gas Operator | Sep 2002 |
| 4316 | Burns Operating LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Jul 2009 |
| 4317 | Burns Production Corporation | Midland, TX 79701 | Oil & Gas Operator | Jul 2008 |
| 4318 | Burns Willard & Frances | Corning, OH 43730 | Oil & Gas Operator | Dec 2020 |
| 4319 | Burns WM J | | Oil Operator | Jun 1994 |
| 4320 | Burns, Bill C. | Midland, TX 79701 | Oil & Gas Operator | Dec 1997 |
| 4321 | Burns, Gene Oil & Gas | Odessa, TX 79765 | Oil & Gas Operator | Dec 2020 |
| 4322 | Burns, P. C. Oil Producers Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 2000 |
| 4323 | Burnsed Oil Co., Inc. | | Oil & Gas Operator | Jan 2025 |
| 4324 | Burr Oil & Gas | Farmington, NM 87499 | Oil & Gas Operator | Feb 2000 |
| 4325 | Burr Oil & Gas Inc | Farmington, NM 87499 | Oil & Gas Operator | Oct 2019 |
| 4326 | Burrill Oil | | Oil Operator | Aug 1990 |
| 4327 | Burris Energy LLC | Burlington, KS 66839 | Oil & Gas Operator | Sep 2016 |
| 4328 | Burris Ronald/Si | | Oil Operator | Jun 1992 |
| 4329 | Burris, J. R. | Manhattan, KS 66502 | Oil Operator | Dec 2019 |
| 4330 | Burrite Operating, LLC | | Oil Operator | Dec 2024 |
| 4331 | Burro Bluff Corporation | Houston, TX 77024 | Oil & Gas Operator | Apr 2025 |
| 4332 | Burrows Alfred | Copan, OK 74022 | Oil & Gas Operator | May 2021 |
| 4333 | Burrows Leroy And Barbara | Okemah, OK 74859 | Oil & Gas Operator | Dec 2024 |
| 4334 | Burskey David M | Carrolltown, PA 15722-0480 | Oil & Gas Operator | Dec 2024 |
| 4335 | Burt Esther M | Sperry, OK 74073 | Oil Operator | Nov 2024 |
| 4336 | Burt James & Charles Maybee | Sperry, OK 74073-8001 | Oil & Gas Operator | Nov 2014 |
| 4337 | Burtco | Lubbock, TX 79407 | Oil & Gas Operator | Apr 2025 |
| 4338 | Burton Oil Produ | | Oil Operator | Jan 1985 |
| 4339 | Burton Oil Properties | Ratliff City, OK 73081 | Oil & Gas Operator | Jan 2025 |
| 4340 | Burton Services, Inc. | Breckenridge, TX 76424 | Oil & Gas Operator | Apr 2025 |
| 4341 | Burton, V.C. Oil & Gas, Inc. | Portland, TX 78374 | Oil & Gas Operator | Sep 2016 |
| 4342 | Burton-Sutton Oil Co., Inc. | | Oil & Gas Operator | Apr 1988 |
| 4343 | Burton/Hawks Inc | Casper, WY 82602 | Oil & Gas Operator | Sep 1993 |
| 4344 | Busey Naman | Elmore City, OK 73433-9583 | Oil & Gas Operator | Dec 2024 |
| 4345 | Bush Operating | Archer City, TX 76351 | Oil & Gas Operator | Apr 2025 |
| 4346 | Bush, Mark A. Oil And Gas Inc. | Houston, TX 77057 | Oil & Gas Operator | Apr 2025 |
| 4347 | Bushmaster Production Company, LLC | Corpus Chrsti, TX 78401 | Oil & Gas Operator | Apr 2025 |
| 4348 | Bushwood Leasing, LLC | | Oil Operator | Dec 2024 |
| 4349 | Buss, Timothy A. & Kimberly A. | Westfield, NY 14787 | Gas Operator | Dec 2023 |
| 4350 | Bussey, Joe F. | Graham, TX 76450 | Oil & Gas Operator | Mar 2008 |
| 4351 | Bustamante Oil Company | Midland, TX 79710 | Oil & Gas Operator | Apr 2025 |
| 4352 | Bustamante Resources LLC | Midland, TX 79710 | Oil & Gas Operator | Apr 2025 |
| 4353 | Busted Knuckle Oil & Gas LLC | Jefferson, OH 44047 | Oil & Gas Operator | Dec 2024 |
| 4354 | Butcher Alvin | Cleveland, OK 74020 | Oil Operator | Mar 1998 |
| 4355 | Butcher Energy Corp | Newark, OH 43055 | Oil & Gas Operator | Dec 2014 |
| 4356 | Butkin Oil Company | Duncan, OK 73534-2090 | Oil & Gas Operator | Sep 2021 |
| 4357 | Butkin Oil Company LLC | Duncan, OK 73533 | Oil & Gas Operator | Mar 2023 |
| 4358 | Butler & Harbison | Olney, TX 76374 | Oil & Gas Operator | Oct 2005 |
| 4359 | Butler & Haseloff | Vernon, TX 76384 | Oil Operator | Jul 1993 |
| 4360 | Butler B F | Hobart, OK 73651 | Oil Operator | Apr 2014 |
| 4361 | Butler County Flood, Inc | Santa Monica, CA 90409 | Oil Operator | Dec 2015 |
| 4362 | Butler Larry | Bladensburg, OH 43005 | Oil & Gas Operator | Dec 2019 |
| 4363 | Butler Oil Co | Casper, WY 82602 | Oil & Gas Operator | Dec 1996 |
| 4364 | Butler Petroleum Corp | Norman, OK 73069-7111 | Oil & Gas Operator | Dec 1998 |
| 4365 | Butler Petroleum LLC | Van Alstyne, TX 75495 | Oil Operator | May 2020 |
| 4366 | Butler, C. D. | Grandfalls, TX 79742 | Oil & Gas Operator | Dec 2004 |
| 4367 | Butler, Cecil D | | Oil & Gas Operator | Jan 2025 |
| 4368 | Butler, Harold F. | Independence, KS 67301 | Oil Operator | Sep 2002 |
| 4369 | Butler, Kevin O. | Midland, TX 79702 | Oil & Gas Operator | Mar 2008 |
| 4370 | Butler, Kevin O. & Assoc., Inc. | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 4371 | Butte Oil And Gas Inc | Oklahoma City, OK 73120 | Oil & Gas Operator | Jan 2025 |
| 4372 | Buttes Gas & Oil Co | | Oil & Gas Operator | Dec 2009 |
| 4373 | Buttes Res Co | | Oil Operator | Dec 2023 |
| 4374 | Buttes Resources Company | Houston, TX 77056 | Oil & Gas Operator | May 2007 |
| 4375 | Buttonwood Petro | | Oil & Gas Operator | Aug 1994 |
| 4376 | Buttonwood Petroleum Inc | Tulsa, OK 74136-4234 | Oil & Gas Operator | Jan 2014 |
| 4377 | Buttram Energies Inc | Oklahoma City, OK 73112-7235 | Oil & Gas Operator | Nov 2021 |
| 4378 | Buttram Operating Company LLC | Heath, TX 75032-1931 | Oil & Gas Operator | Jan 2025 |
| 4379 | Buxton Energy LLC | Oklahoma City, OK 73116-9111 | Oil & Gas Operator | Apr 2014 |
| 4380 | Buxton Fred M | Oklahoma City, OK 73116-9111 | Oil & Gas Operator | Feb 2007 |
| 4381 | BVD Inc | Yates Center, KS 66783-0194 | Oil & Gas Operator | Feb 2025 |
| 4382 | BVX Operating, Inc. | Boerne, TX 78006 | Oil & Gas Operator | Apr 2025 |
| 4383 | BW Oil LLC | Hamel, MN 55340 | Oil Operator | Jun 2015 |
| 4384 | Bwab Incorporated | Denver, CO 80202 | Oil & Gas Operator | Aug 1996 |
| 4385 | BWB Resources Inc | Colorado Springs, CO 80908-7204 | Oil & Gas Operator | Jan 2016 |
| 4386 | BWC Energy LLC | Edgerton, KS 66021 | Oil Operator | Dec 2024 |
| 4387 | BXP Operating, LLC | Houston, TX 77079 | Oil & Gas Operator | Apr 2025 |
| 4388 | Byargeon & Sons Oil Co. | | Oil Operator | Nov 2000 |
| 4389 | Byars Bill Inc | Okmulgee, OK 74447-0850 | Oil & Gas Operator | Apr 2015 |
| 4390 | Bye, April & Scott | Kevin, MT 59454 | Oil & Gas Operator | Feb 2025 |
| 4391 | Byers Clarice An | | Oil Operator | Nov 1988 |
| 4392 | Byers, R.D. | Vernon, TX 76384 | Oil & Gas Operator | Feb 1998 |
| 4393 | Bykowicz, Francis J. | Elma, NY 14059 | Gas Operator | Dec 2023 |
| 4394 | Byler Drilling Company | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 4395 | Byng Energy Group Inc | Enid, OK 73703 | Oil & Gas Operator | Apr 2025 |
| 4396 | Byng Operating LLC | Ada, OK 74820-0677 | Oil & Gas Operator | Jan 2025 |
| 4397 | Bynum Oil Company, Inc. | Midland, TX 79702 | Oil & Gas Operator | Jul 2003 |
| 4398 | Byrd Operating Company | Midland, TX 79702 | Oil & Gas Operator | Apr 2025 |
| 4399 | Byrne Oil Company | Lubbock, TX 79424 | Oil & Gas Operator | Apr 2025 |
| 4400 | Byrne, Robert E. | Lubbock, TX 79416 | Oil & Gas Operator | Jan 2005 |