| 15301 | JSG Services, LLC | | Oil & Gas Operator | Sep 2022 |
| 15302 | JSK Oilfield Service LLC | Santa Anna, TX 76878 | Oil Operator | Dec 2025 |
| 15303 | JSM Natural Resources, L.L.C. | Victoria, TX 77904 | Oil & Gas Operator | Dec 2018 |
| 15304 | JT Enterprises | Gorham, KS 67640 | Oil Operator | Aug 1990 |
| 15305 | JT Operating LLC | Douglas, WY 82633 | Oil & Gas Operator | Oct 2025 |
| 15306 | JTB Oil Company, Inc. | Refugio, TX 78377 | Oil & Gas Operator | Dec 2025 |
| 15307 | JTC Oil Inc. | Louisburg, KS 66053 | Oil Operator | Jun 2025 |
| 15308 | JTC Royalties LLC | Albany, TX 76430 | Oil & Gas Operator | Dec 2025 |
| 15309 | Jtex Oil Company, LLC | Colorado City, TX 79512 | Oil & Gas Operator | Jan 2025 |
| 15310 | JTH Capital Group, LLC | Bowling Green, KY 42103 | Oil Operator | Dec 2023 |
| 15311 | JTL Oil Company LLC | Wichita Falls, TX 76305 | Oil & Gas Operator | Dec 2025 |
| 15312 | JTL Operating Co Inc | Katy, TX 77450 | Oil & Gas Operator | Dec 2025 |
| 15313 | Juart Exploration Inc | Home, PA 15747-6711 | Gas Operator | Dec 2017 |
| 15314 | Jubilee Exploration LLC | Ardmore, OK 73401-7526 | Oil & Gas Operator | Sep 2025 |
| 15315 | Jubilee Oil And Gas Corporation | Houston, TX 77024 | Oil & Gas Operator | Nov 2009 |
| 15316 | Jubilee Oil Corporation | Denison, TX 75020 | Oil Operator | Oct 2012 |
| 15317 | Jubilee Resources, LTD. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Dec 2025 |
| 15318 | Jud,L.C. | Corpus Chrsti, TX 78473 | Gas Operator | Jul 2003 |
| 15319 | Judah Oil | Artesia, NM 88211 | Oil & Gas Operator | Mar 2010 |
| 15320 | Judah Oil LLC | Artesia, NM 88211 | Oil & Gas Operator | Oct 2025 |
| 15321 | Judge Ken & Lester | Perkins, OK 74059 | Oil & Gas Operator | Aug 2014 |
| 15322 | Judson Enterprises, Inc. | Emporia, KS 66801 | Oil Operator | Jun 2025 |
| 15323 | Judy Company Inc | Kansas City, KS 66111 | Oil & Gas Operator | May 2013 |
| 15324 | Judy M & Michael K Hetrick | New Bethlehem, PA 16242-1617 | Gas Operator | Dec 2024 |
| 15325 | Jug Enterprises | | Oil Operator | Jan 1988 |
| 15326 | Julander Energy Company | Denver, CO 80614 | Oil Operator | Apr 2016 |
| 15327 | Juli, Donald W. | Auburn, NY 13021 | Gas Operator | Dec 2024 |
| 15328 | Julian Ard | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2002 |
| 15329 | Julil Energy, LLC | Richmond, TX 77406 | Oil & Gas Operator | Dec 2024 |
| 15330 | Julius Roy G | Wichita, KS 67206 | Oil & Gas Operator | Oct 2025 |
| 15331 | Julius Wactor Oil Co | | Oil & Gas Operator | Jan 1986 |
| 15332 | Jumbo American Petroleum Corporation | Midland, TX 79701 | Oil & Gas Operator | Apr 2010 |
| 15333 | Juna Operating Co. | Corsicana, TX 75151 | Oil & Gas Operator | Dec 1996 |
| 15334 | Juna Operating, Inc. | Corsicana, TX 75151 | Oil & Gas Operator | Nov 2008 |
| 15335 | June Energy Inc. | | Oil & Gas Operator | May 2000 |
| 15336 | Juneau Energy, LLC | Denver, CO 80202 | Oil & Gas Operator | Dec 2025 |
| 15337 | Juniper Petroleum Corporation | | Oil & Gas Operator | Aug 1983 |
| 15338 | Juniper Resources Exploration Company, LLC | Farmington, NM 87402 | Oil & Gas Operator | Aug 2024 |
| 15339 | Juno Operating Company II LLC | Plano, TX 75093 | Oil & Gas Operator | Sep 2018 |
| 15340 | Juno Operating Company III, LLC | Plano, TX 75093 | Oil & Gas Operator | Dec 2025 |
| 15341 | Juno Operating Company, LLC | Plano, TX 75093 | Oil & Gas Operator | Jul 2011 |
| 15342 | Jupiter Energy LLC | Richmond, TX 77469 | Oil Operator | Dec 2025 |
| 15343 | Jupiter Oil Corp | | Oil & Gas Operator | Aug 2025 |
| 15344 | Jura Energy Operating LLC | Houston, TX 77024 | Oil & Gas Operator | Dec 2025 |
| 15345 | Jurassic Energy Corporation | Crosby, TX 77532 | Oil & Gas Operator | Dec 2025 |
| 15346 | Jurassic Exploration Co Inc. | | Oil & Gas Operator | Nov 1994 |
| 15347 | Jurassic Exploration, Inc. | Longview, TX 75601 | Oil & Gas Operator | Dec 2025 |
| 15348 | Jurassic Operating Company | Houston, TX 77099 | Oil & Gas Operator | Dec 2025 |
| 15349 | Jurassic Resources Development Na LLC | Bismarck, ND 58504-5835 | Gas Operator | Aug 2025 |
| 15350 | Just Oil | Midland, TX 79707 | Oil & Gas Operator | Dec 2025 |
| 15351 | Just Oil & Gas, Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 15352 | Justice Oil & Gas LLC | Gillette, WY 82716 | Oil & Gas Operator | Oct 2025 |
| 15353 | Justice Oil Co | Hobbs, NM 88241 | Oil & Gas Operator | Dec 1996 |
| 15354 | Justin Energy Corporation | Wellsville, KS 66092 | Oil Operator | Jun 2025 |
| 15355 | Justiss Oil Co Inc-Munoco Co | | Oil & Gas Operator | Dec 2008 |
| 15356 | Justiss Oil Co., Inc.-Munoco Co., L.C. | | Gas Operator | Mar 2001 |
| 15357 | Justiss Oil Company, Inc. | Jena, LA 71342 | Oil & Gas Operator | Aug 2025 |
| 15358 | Justiss-Mears Oil Co. | | Oil & Gas Operator | Feb 1981 |
| 15359 | Justiss-Mears Oil Co., Et Al | | Oil & Gas Operator | Feb 1981 |
| 15360 | Justiss-Mears-D. Latimer | | Oil Operator | Mar 1979 |
| 15361 | Jva Operating Company | Midland, TX 79710 | Oil & Gas Operator | Oct 2021 |
| 15362 | Jvo Petroleum Inc | Shawnee, OK 74801 | Oil & Gas Operator | Jul 1995 |
| 15363 | JW Energy Co., LTD | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2000 |
| 15364 | JW Exploration LLC Of Texas | Dallas, TX 75287-3329 | Oil & Gas Operator | Jun 2017 |
| 15365 | JWC Oil Operator, LLC | MC Queeney, TX 78123 | Oil Operator | May 2018 |
| 15366 | JWC Operating LLC | | Oil & Gas Operator | Sep 2025 |
| 15367 | JWD Oil & Gas LLC | Oklahoma City, OK 73116-9039 | Oil Operator | Sep 2025 |
| 15368 | Jwimco, L.L.C. | Dallas, TX 75229 | Oil & Gas Operator | Oct 2025 |
| 15369 | JWR Exploration Inc. | | Oil & Gas Operator | Jul 1989 |
| 15370 | JWR Oil And Gas | | Oil Operator | Nov 2024 |
| 15371 | JXR Company | | Oil Operator | Dec 1991 |
| 15372 | JZJ Corporation | | Oil Operator | May 2010 |
| 15373 | K & A Development LLC | Wellsville, KS 66092 | Oil Operator | Jun 2025 |
| 15374 | K & A Oil, A General Partnership | Longton, KS 67352 | Oil Operator | Jun 2025 |
| 15375 | K & D Energy | | Oil Operator | Dec 2018 |
| 15376 | K & D Enterprises, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2008 |
| 15377 | K & D Oil Compan | | Oil Operator | Apr 1994 |
| 15378 | K & D Operating Co. A | Gruver, TX 79040 | Oil & Gas Operator | Feb 2019 |
| 15379 | K & E Drilling I | | Oil & Gas Operator | Sep 1995 |
| 15380 | K & E Drilling, Inc | Wichita, KS 67202 | Oil & Gas Operator | Jun 2025 |
| 15381 | K & E Field Services Inc | Bartlesville, OK 74005-0518 | Oil & Gas Operator | Jun 2016 |
| 15382 | K & E Oil & Gas Co. | Bayfield, CO 81122 | Oil & Gas Operator | Oct 2008 |
| 15383 | K & E Petroleum | | Oil & Gas Operator | Jan 1995 |
| 15384 | K & E Petroleum, Inc. | San Antonio, TX 78230 | Oil & Gas Operator | Apr 2012 |
| 15385 | K & F Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Dec 2021 |
| 15386 | K & G Oil Incorp | | Oil Operator | Mar 1988 |
| 15387 | K & G Production | | Oil Operator | Jan 2025 |
| 15388 | K & H Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 1995 |
| 15389 | K & J Oil Co. Inc. | | Oil & Gas Operator | Sep 2025 |
| 15390 | K & K Oil | Chase, KS 67524 | Oil & Gas Operator | Oct 2019 |
| 15391 | K & K Oil Co. | Corsicana, TX 75109 | Oil & Gas Operator | Dec 2025 |
| 15392 | K & K Operating Co. | Rule, TX 79547 | Oil Operator | Dec 2005 |
| 15393 | K & L Gas & Oil | Homer City, PA 15748-6033 | Gas Operator | Dec 2007 |
| 15394 | K & L Gas & Oil Inc | Homer City, PA 15748-6033 | Oil & Gas Operator | Dec 2018 |
| 15395 | K & L Oil Compan | | Oil Operator | Dec 1993 |
| 15396 | K & L Oil, LLC | Gonzales, TX 78629 | Oil Operator | Dec 2025 |
| 15397 | K & L Operating LLC | Cushing, OK 74023-6189 | Oil & Gas Operator | Oct 2025 |
| 15398 | K & L Tank Truck | | Oil Operator | Aug 1987 |
| 15399 | K & L Tank Truck Service, Inc. | Garden City, KS 67846 | Oil Operator | Apr 2023 |
| 15400 | K & M Exploration, 1973-3 LTD. | Abilene, TX 79608 | Oil & Gas Operator | Nov 1997 |