| 1 | Jackson Energy Development, Inc. | Cedar Park, TX 78613 | Oil & Gas Operator | Apr 2024 |
| 2 | Jalapeno Operating Company, LLC | Plntersville, TX 77363 | Oil Operator | Apr 2024 |
| 3 | Javelin Energy Partners Management, LLC | Irving, TX 75038 | Oil & Gas Operator | Apr 2024 |
| 4 | Jay Management Company LLC | Houston, TX 77057 | Oil & Gas Operator | Apr 2024 |
| 5 | Jay-Dee Operating Company | Corpus Chrsti, TX 78413 | Oil & Gas Operator | Aug 2000 |
| 6 | Jenco Petroleum Corporation | The Woodlands, TX 77380 | Oil Operator | Apr 2024 |
| 7 | Jenex Operating Company Of Texas | Denver, CO 80209 | Oil & Gas Operator | Aug 2003 |
| 8 | Jenex Petroleum Corporation | The Woodlands, TX 77380 | Oil & Gas Operator | Apr 2024 |
| 9 | Jetta Operating Company Inc | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2024 |
| 10 | Joe Kestner, L.L.C. | Corpus Chrsti, TX 78410 | Oil & Gas Operator | Feb 2016 |
| 11 | Jones, R. W. & Co., LTD. | Oklahoma City, OK 73132 | Oil & Gas Operator | Mar 1997 |
| 12 | Jones, R.W. & Co. II, LTD. | Edmond, OK 73034 | Oil & Gas Operator | Sep 2010 |
| 13 | JRG Exploration, Inc. | Laredo, TX 78041 | Oil & Gas Operator | Jul 2015 |