| 201 | Jordan Oil & Gas | Fort Smith, AR 72903-4975 | Oil & Gas Operator | Sep 2004 |
| 202 | Jordan Oil & Gas Company | Healdsburg, CA 95448-1919 | Oil & Gas Operator | Mar 1995 |
| 203 | Joshua Energy LLC | | Gas Operator | Feb 2024 |
| 204 | Josie Oil & Gas Inc | Seminole, OK 74818-0134 | Oil & Gas Operator | Mar 2015 |
| 205 | Jovian Petroleum Corporation | Houston, TX 77024 | Oil & Gas Operator | Jan 2016 |
| 206 | JP Oil | Cleveland, OK 74020-9664 | Oil Operator | Dec 2023 |
| 207 | Jrhop Inc | Norman, OK 73072-4615 | Oil & Gas Operator | Dec 2015 |
| 208 | JSD Resources Corporation | Barnsdall, OK 74002-3272 | Oil & Gas Operator | Jan 2024 |
| 209 | Jse Investments Inc | | Oil Operator | Jan 2024 |
| 210 | JTL Operating Co Inc | Katy, TX 77450 | Oil & Gas Operator | Apr 2024 |
| 211 | Jubilee Exploration LLC | | Oil & Gas Operator | Dec 2023 |
| 212 | Judge Ken & Lester | Perkins, OK 74059 | Oil & Gas Operator | Aug 2014 |
| 213 | Judy Company, Inc. | Kansas City, KS 66111 | Oil & Gas Operator | May 2013 |
| 214 | Juno Operating Company II LLC | Plano, TX 75093 | Oil & Gas Operator | Sep 2018 |
| 215 | Justiss Oil Company, Inc. | Jena, LA 71342 | Oil & Gas Operator | Dec 2023 |
| 216 | Jva Operating Company | Midland, TX 79710 | Oil & Gas Operator | Oct 2021 |
| 217 | Jvo Petroleum Inc | Shawnee, OK 74801 | Oil & Gas Operator | Jul 1995 |
| 218 | JW Exploration LLC Of Texas | Dallas, TX 75287-3329 | Oil & Gas Operator | Jun 2017 |
| 219 | JWD Oil & Gas LLC | Oklahoma City, OK 73116-9039 | Oil Operator | Nov 2023 |
| 220 | Jwimco LLC | Dallas, TX 75229 | Oil & Gas Operator | Feb 2024 |