| 15201 | JTL Operating Co Inc | Katy, TX 77450 | Oil & Gas Operator | Oct 2025 |
| 15202 | Juart Exploration Inc | Home, PA 15747-6711 | Gas Operator | Dec 2017 |
| 15203 | Jubilee Exploration LLC | Ardmore, OK 73401-7526 | Oil & Gas Operator | Dec 2024 |
| 15204 | Jubilee Oil And Gas Corporation | Houston, TX 77024 | Oil & Gas Operator | Nov 2009 |
| 15205 | Jubilee Oil Corporation | Denison, TX 75020 | Oil Operator | Oct 2012 |
| 15206 | Jubilee Resources, LTD. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Oct 2025 |
| 15207 | Jud,L.C. | Corpus Chrsti, TX 78473 | Gas Operator | Jul 2003 |
| 15208 | Judah Oil | Artesia, NM 88211 | Oil & Gas Operator | Mar 2010 |
| 15209 | Judah Oil LLC | Artesia, NM 88211 | Oil & Gas Operator | Jul 2025 |
| 15210 | Judge Ken & Lester | Perkins, OK 74059 | Oil & Gas Operator | Aug 2014 |
| 15211 | Judson Enterprises, Inc. | Emporia, KS 66801 | Oil Operator | Jun 2025 |
| 15212 | Judy Company, Inc. | Kansas City, KS 66111 | Oil & Gas Operator | May 2013 |
| 15213 | Judy M & Michael K Hetrick | New Bethlehem, PA 16242-1617 | Gas Operator | Dec 2024 |
| 15214 | Jug Enterprises | | Oil Operator | Jan 1988 |
| 15215 | Julander Energy Company | Denver, CO 80614 | Oil Operator | Apr 2016 |
| 15216 | Juli, Donald W. | Auburn, NY 13021 | Gas Operator | Dec 2024 |
| 15217 | Julian Ard | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2002 |
| 15218 | Julil Energy, LLC | Richmond, TX 77406 | Oil & Gas Operator | Dec 2024 |
| 15219 | Julius Roy G | Wichita, KS 67206 | Oil & Gas Operator | Aug 2025 |
| 15220 | Julius Wactor Oil Co | | Oil & Gas Operator | Jan 1986 |
| 15221 | Jumbo American Petroleum Corporation | Midland, TX 79701 | Oil & Gas Operator | Apr 2010 |
| 15222 | Juna Operating Co. | Corsicana, TX 75151 | Oil & Gas Operator | Dec 1996 |
| 15223 | Juna Operating, Inc. | Corsicana, TX 75151 | Oil & Gas Operator | Nov 2008 |
| 15224 | June Energy Inc. | | Oil & Gas Operator | May 2000 |
| 15225 | Juneau Energy, LLC | Denver, CO 80202 | Oil & Gas Operator | Oct 2025 |
| 15226 | Juniper Petroleum Corporation | | Oil & Gas Operator | Aug 1983 |
| 15227 | Juniper Resources Exploration Company, LLC | Farmington, NM 87402 | Oil & Gas Operator | Aug 2024 |
| 15228 | Juniper Resources Inc | | Oil Operator | Sep 2004 |
| 15229 | Juno Operating Company II LLC | Plano, TX 75093 | Oil & Gas Operator | Sep 2018 |
| 15230 | Juno Operating Company III, LLC | Plano, TX 75093 | Oil & Gas Operator | Oct 2025 |
| 15231 | Juno Operating Company, LLC | Plano, TX 75093 | Oil & Gas Operator | Jul 2011 |
| 15232 | Jupiter Energy LLC | Richmond, TX 77469 | Oil Operator | Oct 2025 |
| 15233 | Jupiter Oil Corp | | Oil & Gas Operator | Aug 2025 |
| 15234 | Jura Energy Operating LLC | Houston, TX 77024 | Oil & Gas Operator | Oct 2025 |
| 15235 | Jurassic Energy Corporation | Crosby, TX 77532 | Oil & Gas Operator | Oct 2025 |
| 15236 | Jurassic Exploration Co Inc. | | Oil & Gas Operator | Nov 1994 |
| 15237 | Jurassic Exploration, Inc. | Longview, TX 75601 | Oil & Gas Operator | Oct 2025 |
| 15238 | Jurassic Operating Company | Houston, TX 77099 | Oil & Gas Operator | Oct 2025 |
| 15239 | Jurassic Resources Development Na LLC | Bismarck, ND 58504-5835 | Gas Operator | Jun 2025 |
| 15240 | Just Oil | Midland, TX 79707 | Oil & Gas Operator | Oct 2025 |
| 15241 | Just Oil & Gas, Inc. | Graham, TX 76450 | Oil & Gas Operator | Oct 2025 |
| 15242 | Justice Oil & Gas LLC | Gillette, WY 82716 | Oil & Gas Operator | Aug 2025 |
| 15243 | Justice Oil Co | Hobbs, NM 88241 | Oil & Gas Operator | Dec 1996 |
| 15244 | Justin Energy Corporation | Wellsville, KS 66092 | Oil Operator | Jun 2025 |
| 15245 | Justiss Oil Co., Inc.-Munoco Co. | | Oil & Gas Operator | Dec 2008 |
| 15246 | Justiss Oil Co., Inc.-Munoco Co., L.C. | | Gas Operator | Mar 2001 |
| 15247 | Justiss Oil Company, Inc. | Jena, LA 71342 | Oil & Gas Operator | Jun 2025 |
| 15248 | Justiss-Mears Oil Co. | | Oil & Gas Operator | Feb 1981 |
| 15249 | Justiss-Mears Oil Co., Et Al | | Oil & Gas Operator | Feb 1981 |
| 15250 | Justiss-Mears-D. Latimer | | Oil Operator | Mar 1979 |
| 15251 | Jva Operating Company | Midland, TX 79710 | Oil & Gas Operator | Oct 2021 |
| 15252 | Jvo Petroleum Inc | Shawnee, OK 74801 | Oil & Gas Operator | Jul 1995 |
| 15253 | JW Energy Co., LTD | Fort Worth, TX 76102 | Oil & Gas Operator | Nov 2000 |
| 15254 | JW Exploration LLC Of Texas | Dallas, TX 75287-3329 | Oil & Gas Operator | Jun 2017 |
| 15255 | JWC Oil Operator, LLC | MC Queeney, TX 78123 | Oil Operator | May 2018 |
| 15256 | JWC Operating LLC | | Oil & Gas Operator | Jul 2025 |
| 15257 | JWD Oil & Gas LLC | Oklahoma City, OK 73116-9039 | Oil Operator | Jun 2025 |
| 15258 | Jwimco, L.L.C. | Dallas, TX 75229 | Oil & Gas Operator | Jun 2025 |
| 15259 | JWR Exploration Inc. | | Oil & Gas Operator | Jul 1989 |
| 15260 | JWR Oil And Gas | | Oil Operator | Nov 2024 |
| 15261 | JXR Company | | Oil Operator | Dec 1991 |
| 15262 | JZJ Corporation | | Oil Operator | May 2010 |
| 15263 | K & A Development LLC | Wellsville, KS 66092 | Oil Operator | Jun 2025 |
| 15264 | K & A Oil, A General Partnership | Longton, KS 67352 | Oil Operator | Jun 2025 |
| 15265 | K & D Energy | | Oil Operator | Dec 2018 |
| 15266 | K & D Enterprises, Inc. | Kilgore, TX 75663 | Oil & Gas Operator | Mar 2008 |
| 15267 | K & D Oil Compan | | Oil Operator | Apr 1994 |
| 15268 | K & D Operating Co. A | Gruver, TX 79040 | Oil & Gas Operator | Feb 2019 |
| 15269 | K & E Drilling I | | Oil & Gas Operator | Sep 1995 |
| 15270 | K & E Drilling, Inc | Wichita, KS 67202 | Oil & Gas Operator | Jun 2025 |
| 15271 | K & E Field Services Inc | Bartlesville, OK 74005-0518 | Oil & Gas Operator | Jun 2016 |
| 15272 | K & E Oil & Gas Co. | Bayfield, CO 81122 | Oil & Gas Operator | Oct 2008 |
| 15273 | K & E Petroleum | | Oil & Gas Operator | Jan 1995 |
| 15274 | K & E Petroleum, Inc. | San Antonio, TX 78230 | Oil & Gas Operator | Apr 2012 |
| 15275 | K & F Oil Co. | Olney, TX 76374 | Oil & Gas Operator | Dec 2021 |
| 15276 | K & G Oil Incorp | | Oil Operator | Mar 1988 |
| 15277 | K & G Production | | Oil Operator | Jan 2025 |
| 15278 | K & H Oil Company | Oklahoma City, OK 73112 | Oil & Gas Operator | Dec 1995 |
| 15279 | K & J Oil Co. Inc. | | Oil & Gas Operator | Jul 2025 |
| 15280 | K & K Oil | Chase, KS 67524 | Oil & Gas Operator | Oct 2019 |
| 15281 | K & K Oil Co. | Corsicana, TX 75109 | Oil & Gas Operator | Oct 2025 |
| 15282 | K & K Operating Co. | Rule, TX 79547 | Oil Operator | Dec 2005 |
| 15283 | K & L Gas & Oil | Homer City, PA 15748-6033 | Gas Operator | Dec 2007 |
| 15284 | K & L Gas & Oil Inc | Homer City, PA 15748-6033 | Oil & Gas Operator | Dec 2018 |
| 15285 | K & L Oil Compan | | Oil Operator | Dec 1993 |
| 15286 | K & L Oil, LLC | Gonzales, TX 78629 | Oil Operator | Oct 2025 |
| 15287 | K & L Operating LLC | Cushing, OK 74023-6189 | Oil & Gas Operator | Jun 2025 |
| 15288 | K & L Tank Truck | | Oil Operator | Aug 1987 |
| 15289 | K & L Tank Truck Service, Inc. | Garden City, KS 67846 | Oil Operator | Apr 2023 |
| 15290 | K & M Exploration, 1973-3 LTD. | Abilene, TX 79608 | Oil & Gas Operator | Nov 1997 |
| 15291 | K & M Oil Company LLC | Hennessey, OK 73742 | Oil & Gas Operator | Jul 2025 |
| 15292 | K & N Petroleum, Inc. | Great Bend, KS 67530 | Oil Operator | Jun 2025 |
| 15293 | K & R Oil & Gas | Roswell, NM 88201 | Oil Operator | Jul 1995 |
| 15294 | K & S Oil & Gas Company, LLC | Kerrville, TX 78028 | Oil & Gas Operator | Oct 2025 |
| 15295 | K & S Rentals | | Oil & Gas Operator | May 2013 |
| 15296 | K & W Oil Company | MT Carmel, IL 62830 | Oil & Gas Operator | May 2013 |
| 15297 | K & W Vanpelt Company | Portage, OH 43451 | Oil & Gas Operator | Oct 2025 |
| 15298 | K A Brown Oil & Gas LLC | Sardis, OH 43946 | Oil & Gas Operator | Dec 2024 |
| 15299 | K A Ware Production Co., LLC | Pratt, KS 67124 | Oil Operator | Oct 2025 |
| 15300 | K And R Oil Company | Stanton, TX 79782 | Oil & Gas Operator | Aug 2003 |