| 15101 | Jonsu Oil Corp | Granville, OH 43023 | Oil & Gas Operator | Dec 1994 |
| 15102 | Joplin Oil Co., Inc. | Lubbock, TX 79423 | Oil & Gas Operator | Jul 2025 |
| 15103 | Jordan & Jordan Oil Company | Maud, OK 74854 | Oil & Gas Operator | Apr 2025 |
| 15104 | Jordan Development Company LLC | Traverse City, MI 49686 | Oil & Gas Operator | May 2025 |
| 15105 | Jordan Drilling Co. | Leggett, TX 77350 | Oil & Gas Operator | Aug 1998 |
| 15106 | Jordan Energy Exploration Co LLC | | Oil Operator | Dec 2022 |
| 15107 | Jordan Engineering, Inc. | Abilene, TX 79601 | Oil & Gas Operator | Jul 2025 |
| 15108 | Jordan Exploration Company, L.L.C. | | Oil & Gas Operator | Mar 2024 |
| 15109 | Jordan Oil & Gas | Fort Smith, AR 72903-4975 | Oil & Gas Operator | Sep 2004 |
| 15110 | Jordan Oil & Gas Company | Healdsburg, CA 95448-1919 | Oil & Gas Operator | Mar 1995 |
| 15111 | Jordan Oil Company, Inc. | Lake Charles, LA 70602 | Oil & Gas Operator | Dec 2019 |
| 15112 | Jordan Oil Management Inc. | Haysville, KS 67060 | Oil & Gas Operator | Mar 2025 |
| 15113 | Jordan Properties | Kilgore, TX 75663 | Oil & Gas Operator | Aug 2003 |
| 15114 | Joro Inc. | | Oil & Gas Operator | Apr 2025 |
| 15115 | Joseph B Gould | Las Vegas, NV 89109 | Oil & Gas Operator | Oct 2002 |
| 15116 | Joseph C. Leckelt | | Oil Operator | Aug 1995 |
| 15117 | Joseph F. Fritz Operating Co. | | Oil & Gas Operator | Mar 1983 |
| 15118 | Joseph Sanchez Dba J&F Production | Cuba, NM 87013 | Oil Operator | Dec 2019 |
| 15119 | Josey Exploration, Inc. | | Oil & Gas Operator | Dec 1988 |
| 15120 | Josey Oil Company | Houston, TX 77019 | Oil & Gas Operator | Jul 2006 |
| 15121 | Josey Oil Company, LTD. | Houston, TX 77019 | Oil & Gas Operator | Jul 2025 |
| 15122 | Josey, Lenoir M., Inc. | Houston, TX 77019 | Oil & Gas Operator | Aug 2003 |
| 15123 | Joshua Energy LLC | Tulsa, OK 74134-7460 | Gas Operator | Apr 2025 |
| 15124 | Josie Oil & Gas Inc | Seminole, OK 74818-0134 | Oil & Gas Operator | Mar 2015 |
| 15125 | Jost, Selma | Reedley, CA 93654 | Oil Operator | Jul 1996 |
| 15126 | Journey Oil, LLC | Cary, NC 27513 | Oil Operator | Jul 2025 |
| 15127 | Journey Operating, L.L.C. | Sugar Land, TX 77496 | Oil & Gas Operator | Aug 2006 |
| 15128 | Jovian Petroleum Corporation | Houston, TX 77024 | Oil & Gas Operator | Jan 2016 |
| 15129 | Joy & Huston | | Oil Operator | Jul 1986 |
| 15130 | Joy Operating Co | | Oil Operator | Jan 1984 |
| 15131 | Joy Resources, Inc. | Houston, TX 77027 | Oil & Gas Operator | Jul 2025 |
| 15132 | Joyce, Christine M. | Andover, NY 14806 | Oil Operator | Dec 2024 |
| 15133 | Joyce, Michael J. | Andover, NY 14806 | Oil & Gas Operator | Dec 2024 |
| 15134 | JP Oil | Cleveland, OK 74020-9664 | Oil Operator | Mar 2025 |
| 15135 | JP Oil Wyoming LLC | Lafayette, LA 70505 | Oil & Gas Operator | Jun 2025 |
| 15136 | JP Operating Inc. | Midland, TX 79705 | Gas Operator | Dec 2001 |
| 15137 | JPFB Operating, LLC | Edmond, OK 73083 | Oil Operator | Dec 2019 |
| 15138 | JPH Oil Producers Dba Jimmy P Hodge | Lovington, NM 88260 | Oil & Gas Operator | May 2025 |
| 15139 | JPM Eoc Operating, Inc. | Houston, TX 77010 | Oil & Gas Operator | Sep 2016 |
| 15140 | JPM Petroleum, Inc. | | Oil Operator | May 1986 |
| 15141 | JPW Energy, L.L.C. | San Antonio, TX 78216 | Oil & Gas Operator | Jul 2025 |
| 15142 | JQL Energy, LLC | Albany, TX 76430 | Oil & Gas Operator | Jul 2025 |
| 15143 | Jr Cone Operating, LLC | Lubbock, TX 79408 | Oil & Gas Operator | May 2025 |
| 15144 | Jr Oil | Chanute, KS 66720 | Oil & Gas Operator | Oct 2019 |
| 15145 | Jr Resources LP | Ringgold, PA 15770-8346 | Oil & Gas Operator | Dec 2021 |
| 15146 | JRC Oil Company | Garnett, KS 66032 | Oil Operator | Mar 2025 |
| 15147 | JRC Petroleum | Pecos, TX 79772 | Oil & Gas Operator | Jul 2025 |
| 15148 | JRD Energy | Wooster, OH 44691 | Oil & Gas Operator | Dec 1999 |
| 15149 | JRG Exploration, Inc. | Laredo, TX 78041 | Oil & Gas Operator | Jul 2015 |
| 15150 | Jrhop Inc | Norman, OK 73072-4615 | Oil & Gas Operator | Dec 2015 |
| 15151 | JRJ Oil & Gas LLC | Grapevine, TX 76099 | Oil & Gas Operator | Jul 2025 |
| 15152 | JRM Oil Co | Dalton, OH 44618 | Oil & Gas Operator | Dec 1993 |
| 15153 | Jrow Energy LLC | Lubbock, TX 79423 | Oil Operator | Jul 2025 |
| 15154 | JRP Production, LLC | Boling, TX 77420 | Oil Operator | Jul 2025 |
| 15155 | JRP Resources, L.C. | Midland, TX 79708 | Oil & Gas Operator | May 1995 |
| 15156 | JSB, LLC | | Oil & Gas Operator | Dec 2024 |
| 15157 | JSD Oil, LTD. | Seguin, TX 78155 | Oil Operator | Nov 2013 |
| 15158 | JSD Resources Corporation | Barnsdall, OK 74002-3272 | Oil & Gas Operator | Mar 2025 |
| 15159 | JSG Services, LLC | | Oil & Gas Operator | Sep 2022 |
| 15160 | JSK Oilfield Service LLC | Santa Anna, TX 76878 | Oil Operator | Jul 2025 |
| 15161 | JSM Natural Resources, L.L.C. | Victoria, TX 77904 | Oil & Gas Operator | Dec 2018 |
| 15162 | JT Enterprises | Gorham, KS 67640 | Oil Operator | Aug 1990 |
| 15163 | JT Operating LLC | Douglas, WY 82633 | Oil & Gas Operator | May 2025 |
| 15164 | JTB Oil Company, Inc. | Refugio, TX 78377 | Oil & Gas Operator | Jul 2025 |
| 15165 | JTC Oil, Inc. | Louisburg, KS 66053 | Oil Operator | Mar 2025 |
| 15166 | JTC Royalties LLC | Albany, TX 76430 | Oil & Gas Operator | Jul 2025 |
| 15167 | Jtex Oil Company, LLC | Colorado City, TX 79512 | Oil & Gas Operator | Jan 2025 |
| 15168 | JTH Capital Group, LLC | Bowling Green, KY 42103 | Oil Operator | Dec 2023 |
| 15169 | JTL Oil Company LLC | Wichita Falls, TX 76305 | Oil & Gas Operator | Jul 2025 |
| 15170 | JTL Operating Co Inc | Katy, TX 77450 | Oil & Gas Operator | Jul 2025 |
| 15171 | Juart Exploration Inc | Home, PA 15747-6711 | Gas Operator | Dec 2017 |
| 15172 | Jubilee Exploration LLC | Ardmore, OK 73401-7526 | Oil & Gas Operator | Dec 2024 |
| 15173 | Jubilee Oil And Gas Corporation | Houston, TX 77024 | Oil & Gas Operator | Nov 2009 |
| 15174 | Jubilee Oil Corporation | Denison, TX 75020 | Oil Operator | Oct 2012 |
| 15175 | Jubilee Resources, LTD. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Jul 2025 |
| 15176 | Jud,L.C. | Corpus Chrsti, TX 78473 | Gas Operator | Jul 2003 |
| 15177 | Judah Oil | Artesia, NM 88211 | Oil & Gas Operator | Mar 2010 |
| 15178 | Judah Oil LLC | Artesia, NM 88211 | Oil & Gas Operator | May 2025 |
| 15179 | Judge Ken & Lester | Perkins, OK 74059 | Oil & Gas Operator | Aug 2014 |
| 15180 | Judson Enterprises, Inc. | Emporia, KS 66801 | Oil Operator | Mar 2025 |
| 15181 | Judy Company, Inc. | Kansas City, KS 66111 | Oil & Gas Operator | May 2013 |
| 15182 | Judy M & Michael K Hetrick | New Bethlehem, PA 16242-1617 | Gas Operator | Dec 2024 |
| 15183 | Jug Enterprises | | Oil Operator | Jan 1988 |
| 15184 | Julana Oil & Gas | MC Camey, TX 79752 | Oil & Gas Operator | Jul 2025 |
| 15185 | Julander Energy Company | Denver, CO 80614 | Oil Operator | Apr 2016 |
| 15186 | Juli, Donald W. | Auburn, NY 13021 | Gas Operator | Dec 2024 |
| 15187 | Julian Ard | Fort Worth, TX 76102 | Oil & Gas Operator | Jul 2002 |
| 15188 | Julil Energy, LLC | Richmond, TX 77406 | Oil & Gas Operator | Dec 2024 |
| 15189 | Julius Roy G | Wichita, KS 67206 | Oil & Gas Operator | May 2025 |
| 15190 | Julius Wactor Oil Co | | Oil & Gas Operator | Jan 1986 |
| 15191 | Jumbo American Petroleum Corporation | Midland, TX 79701 | Oil & Gas Operator | Apr 2010 |
| 15192 | Juna Operating Co. | Corsicana, TX 75151 | Oil & Gas Operator | Dec 1996 |
| 15193 | Juna Operating, Inc. | Corsicana, TX 75151 | Oil & Gas Operator | Nov 2008 |
| 15194 | June Energy Inc. | | Oil & Gas Operator | May 2000 |
| 15195 | Juneau Energy, LLC | Denver, CO 80202 | Oil & Gas Operator | Jul 2025 |
| 15196 | Juniper Petroleum Corporation | | Oil & Gas Operator | Aug 1983 |
| 15197 | Juniper Resources Exploration Company, LLC | Farmington, NM 87402 | Oil & Gas Operator | Aug 2024 |
| 15198 | Juniper Resources Inc | | Oil Operator | Sep 2004 |
| 15199 | Juno Operating Company II LLC | Plano, TX 75093 | Oil & Gas Operator | Sep 2018 |
| 15200 | Juno Operating Company III, LLC | Plano, TX 75093 | Oil & Gas Operator | Jul 2025 |