| 1 | Jackson Petroleum Consult Inc | Dallas, TX 75287 | Oil & Gas Operator | Aug 1994 |
| 2 | January Investments LLC | Norman, OK 73069-8224 | Oil & Gas Operator | Jul 2025 |
| 3 | Jay Management Company LLC | Houston, TX 77057 | Oil & Gas Operator | Oct 2025 |
| 4 | Jay Petroleum Inc | Oklahoma City, OK 73154-0526 | Oil & Gas Operator | Mar 2019 |
| 5 | JB Petroleum Corporation | Purcell, OK 73080-6954 | Oil & Gas Operator | Sep 2018 |
| 6 | Jec Operating LLC | Oklahoma City, OK 73114-2717 | Oil & Gas Operator | Jun 2025 |
| 7 | JKB Resources LLC | Stigler, OK 74462 | Oil & Gas Operator | Jun 2025 |
| 8 | Jma Energy Company, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Jul 2025 |
| 9 | JN Production LLP | Guthrie, OK 73028 | Oil & Gas Operator | Jun 2025 |
| 10 | Johnson Exploration Company | Oklahoma City, OK 73102-7008 | Oil & Gas Operator | Jun 2015 |
| 11 | Jones & Pellow Oil Co | Oklahoma City, OK 73118-1115 | Oil & Gas Operator | Feb 2015 |
| 12 | Jones Energy LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Jun 2025 |
| 13 | Justiss Oil Company, Inc. | Jena, LA 71342 | Oil & Gas Operator | Jun 2025 |