| 4201 | Bullock Gladys C Trust | | Oil & Gas Operator | Dec 1999 |
| 4202 | Bullseye Oilfield Service | Cunningham, KS 67035 | Oil Operator | Apr 2023 |
| 4203 | Bullseye Operating LLC | Bartlesville, OK 74005 | Oil & Gas Operator | Aug 2025 |
| 4204 | Bullseye Petrole | | Oil Operator | Oct 1992 |
| 4205 | Bullseye Petroleum, Inc. | Wichita, KS 67230 | Oil Operator | Jun 2025 |
| 4206 | Bulwark Oil & Gas, LLC | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 4207 | Bummer Bruce L | Casper, WY 82602 | Oil & Gas Operator | Dec 2007 |
| 4208 | Bump, Derek M. And Karrie L. | Batavia, NY 14020 | Gas Operator | Dec 2024 |
| 4209 | Bunker Oil Corp. | | Oil & Gas Operator | Dec 1994 |
| 4210 | Bunkirt J J Oil & Gas Corporation | Powell, WY 82435 | Oil & Gas Operator | Sep 2025 |
| 4211 | Buntin Ronnie | Maramec, OK 74045-4500 | Oil & Gas Operator | Sep 2019 |
| 4212 | Bunyard Jerry L | Stroud, OK 74079 | Oil & Gas Operator | Oct 2024 |
| 4213 | Buonadonna Oil LLC | San Marcos, TX 78666 | Oil Operator | Dec 2025 |
| 4214 | Buray Energy International LLC | Evansville, IN 47711-5369 | Gas Operator | Jun 2013 |
| 4215 | Burch Exploratio | | Oil Operator | Mar 1991 |
| 4216 | Burchett Natural Gas, Inc. | Williamson, WV 25661 | Gas Operator | Dec 2016 |
| 4217 | Burchfield Lawrence & VIrginia | Morris, OK 74445-2814 | Gas Operator | Aug 2018 |
| 4218 | Burchfield Margaret S Dba Nu-Hope Oil Company | Earlsboro, OK 74840 | Oil & Gas Operator | Sep 2025 |
| 4219 | Burdett, Alfred | Sedan, KS 67361 | Oil Operator | Aug 2008 |
| 4220 | Burdette & Wilma A Sedler | Girard, PA 16417-9102 | Gas Operator | Dec 2014 |
| 4221 | Burdette Robert S | Pomeroy, OH 45769 | Oil Operator | Dec 2024 |
| 4222 | Burdette, Everett W., Jr. | | Oil & Gas Operator | Dec 2008 |
| 4223 | Burdette, L W Etal LLC | Parkersburg, WV 26102-1485 | Oil & Gas Operator | Dec 2021 |
| 4224 | Burdick, Jeffery H | Bolivar, NY 14715 | Oil & Gas Operator | Dec 2024 |
| 4225 | Burgard, Harold H. | Clymer, NY 14724 | Gas Operator | Dec 2024 |
| 4226 | Burger, F.W. Inc. | Abilene, TX 79604 | Oil & Gas Operator | Mar 2008 |
| 4227 | Burger, Ken | Pampa, TX 79065 | Oil & Gas Operator | Dec 2025 |
| 4228 | Burgess D M Jr And Hall H E And Stinson D E | | Oil Operator | May 2000 |
| 4229 | Burgess Energy, Inc. | South Bend, TX 76481 | Oil & Gas Operator | Dec 2025 |
| 4230 | Burgess Hall Stinson Inc | | Oil Operator | Dec 2009 |
| 4231 | Burgess, Sim E. | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 4232 | Burgess, W. E. | Fort Worth, TX 76147 | Oil & Gas Operator | Dec 2025 |
| 4233 | Burgly Gas & Oil Co Inc | Apollo, PA 15613-0015 | Gas Operator | Dec 2024 |
| 4234 | Burgundy Oil & Gas Of N M Inc | Midland, TX 79701 | Oil & Gas Operator | Oct 2025 |
| 4235 | Burgundy Oil & Gas, Inc. | Midland, TX 79701 | Oil & Gas Operator | Dec 2025 |
| 4236 | Buried Hills Prod. Co., Inc. | Midvale, UT 84047 | Oil Operator | Dec 2006 |
| 4237 | Burk George E | Mannford, OK 74044-0593 | Oil & Gas Operator | Oct 2015 |
| 4238 | Burk Lease | Cherryvale, KS 67335 | Oil & Gas Operator | Mar 1994 |
| 4239 | Burk Royalty Co., LTD. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 2025 |
| 4240 | Burk Royalty Company | Wichita Falls, TX 76308 | Oil & Gas Operator | Jan 2002 |
| 4241 | Burk, H. V. | Fort Worth, TX 76101 | Oil & Gas Operator | Jan 2006 |
| 4242 | Burk-Gunn Oil Co. | Wichita Falls, TX 76307 | Oil & Gas Operator | Mar 2018 |
| 4243 | Burkan Oil Company | Tulsa, OK 74137 | Oil & Gas Operator | Dec 1995 |
| 4244 | Burkard Petroleum Company | Houston, TX 77056 | Oil & Gas Operator | May 2003 |
| 4245 | Burke Michael | Coolsville, OH 45723 | Oil & Gas Operator | Dec 2024 |
| 4246 | Burke, Harry Petroleum | Houston, TX 77080 | Oil & Gas Operator | Nov 2024 |
| 4247 | Burkett Drilling | Sunray, TX 79086 | Oil Operator | Dec 2025 |
| 4248 | Burkett, J. D. | Archer City, TX 76351 | Oil & Gas Operator | Mar 1994 |
| 4249 | Burkhart Petroleum Corporation | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2002 |
| 4250 | Burkholder, Terry L., Inc. | Pecos, TX 79772 | Oil & Gas Operator | Mar 2002 |
| 4251 | Burkland William S | Ligonier, PA 15658-0467 | Oil & Gas Operator | Dec 2010 |
| 4252 | Burleson Oil Company | Burkburnett, TX 76354 | Oil Operator | Dec 2025 |
| 4253 | Burleson Petroleum, Inc. | Midland, TX 79702 | Oil & Gas Operator | Dec 2025 |
| 4254 | Burleson Production LLC | Frederick, OK 73542 | Oil & Gas Operator | Sep 2025 |
| 4255 | Burleson, Jackie A. | Wichita Falls, TX 76307 | Oil & Gas Operator | Feb 2003 |
| 4256 | Burleson, Lewis B. Inc. | Midland, TX 79702 | Oil & Gas Operator | Mar 2010 |
| 4257 | Burlingame Oil, LLC | Olean, NY 14760 | Oil & Gas Operator | Dec 2024 |
| 4258 | Burlington Oil Company | Ponca City, OK 74602-1304 | Oil & Gas Operator | May 2007 |
| 4259 | Burlington Res O & G Co-McCamey | Midland, TX 79702 | Oil Operator | Mar 2002 |
| 4260 | Burlington Res O & G Co-Midland | Houston, TX 77252 | Oil & Gas Operator | Mar 2020 |
| 4261 | Burlington Res O&G Co-Permian | Midland, TX 79702 | Oil & Gas Operator | May 2002 |
| 4262 | Burlington Res Offshore Inc | | Oil & Gas Operator | Oct 2002 |
| 4263 | Burlington Res Oil & Gas Co | | Oil & Gas Operator | Dec 2000 |
| 4264 | Burlington Res Oil & Gas LP | | Oil & Gas Operator | Mar 2013 |
| 4265 | Burlington Res.Oil&Gas Co.LP | Midland, TX 79710-1810 | Gas Operator | Dec 2007 |
| 4266 | Burlington Resources O&G | Midland, TX 79710-1810 | Oil & Gas Operator | Mar 1997 |
| 4267 | Burlington Resources Oil & Gas Company L | Gillette, WY 82718 | Oil & Gas Operator | Jan 2022 |
| 4268 | Burlington Resources Oil & Gas Company LP | Houston, TX 77252 | Oil & Gas Operator | Dec 2025 |
| 4269 | Burlington Resources Oil And Gas Co. | Houston, TX 77210 | Oil & Gas Operator | Mar 2023 |
| 4270 | Burmaster, Gary | Sheridan, NY 14135 | Gas Operator | Dec 2024 |
| 4271 | Burness, William Steele Jr | Glasgow, KY 42142 | Oil Operator | Dec 2022 |
| 4272 | Burnett Corp. | Amarillo, TX 79105 | Oil & Gas Operator | May 1998 |
| 4273 | Burnett Corporat | | Oil & Gas Operator | Oct 1993 |
| 4274 | Burnett Energy Inc. | | Oil & Gas Operator | Oct 2025 |
| 4275 | Burnett Oil Co Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2025 |
| 4276 | Burnham & Browning DRLG Co. | | Oil Operator | Oct 1990 |
| 4277 | Burnips Field LLC | | Oil Operator | Oct 2025 |
| 4278 | Burns Eugene | Davis, OK 73030-3112 | Oil Operator | Mar 2006 |
| 4279 | Burns Oil & Gas Expl. | | Oil & Gas Operator | Jan 1985 |
| 4280 | Burns Operating | Wichita Falls, TX 76307 | Oil & Gas Operator | Sep 2002 |
| 4281 | Burns Operating LLC | Wichita Falls, TX 76307 | Oil & Gas Operator | Jul 2009 |
| 4282 | Burns Production Corporation | Midland, TX 79701 | Oil & Gas Operator | Jul 2008 |
| 4283 | Burns Willard & Frances | Corning, OH 43730 | Oil & Gas Operator | Dec 2020 |
| 4284 | Burns WM J | | Oil Operator | Jun 1994 |
| 4285 | Burns, Bill C. | Midland, TX 79701 | Oil & Gas Operator | Dec 1997 |
| 4286 | Burns, Gene Oil & Gas | Odessa, TX 79765 | Oil & Gas Operator | Dec 2020 |
| 4287 | Burns, P. C. Oil Producers Inc. | Wichita Falls, TX 76308 | Oil & Gas Operator | Dec 2000 |
| 4288 | Burnsed Oil Co., Inc. | | Oil & Gas Operator | Sep 2025 |
| 4289 | Burr Oil & Gas | Farmington, NM 87499 | Oil & Gas Operator | Feb 2000 |
| 4290 | Burr Oil & Gas Inc | Farmington, NM 87499 | Oil & Gas Operator | Oct 2019 |
| 4291 | Burrill Oil | | Oil Operator | Aug 1990 |
| 4292 | Burris Energy LLC | Burlington, KS 66839 | Oil & Gas Operator | Sep 2016 |
| 4293 | Burris Ronald/Si | | Oil Operator | Jun 1992 |
| 4294 | Burris, J. R. | Manhattan, KS 66502 | Oil Operator | Dec 2019 |
| 4295 | Burrite Operating, LLC | | Oil Operator | Dec 2024 |
| 4296 | Burro Bluff Corporation | Houston, TX 77024 | Oil & Gas Operator | Dec 2025 |
| 4297 | Burrows Alfred | Copan, OK 74022 | Oil & Gas Operator | May 2021 |
| 4298 | Burrows, Dewey | | Oil & Gas Operator | Sep 2025 |
| 4299 | Burskey David M | Carrolltown, PA 15722-0480 | Oil & Gas Operator | Dec 2024 |
| 4300 | Burt Esther M | Sperry, OK 74073 | Oil Operator | Apr 2025 |