| 1 | J & S Of Enid Inc | Enid, OK 73701 | Oil & Gas Operator | Jul 2019 |
| 2 | J B Hulet | | Oil & Gas Operator | Aug 2013 |
| 3 | J L Hajek Enterprises LLC | Ames, OK 73718 | Oil & Gas Operator | Dec 2024 |
| 4 | J O C Operating Inc | Fort Worth, TX 76102-6823 | Oil & Gas Operator | Feb 2021 |
| 5 | James Larry | Guthrie, OK 73044-9622 | Oil & Gas Operator | Dec 2024 |
| 6 | James Lawrence E Estate Of | Crescent, OK 73028-9304 | Oil & Gas Operator | Nov 2021 |
| 7 | Jan Oil Company | Oklahoma City, OK 73156 | Oil & Gas Operator | May 2006 |
| 8 | January Investments LLC | Norman, OK 73069-8224 | Oil & Gas Operator | Jan 2025 |
| 9 | Jay Petroleum Inc | Oklahoma City, OK 73154-0526 | Oil & Gas Operator | Mar 2019 |
| 10 | Jayhawk Mineral Investments LLC | Edmond, OK 73034-8874 | Oil & Gas Operator | Dec 2024 |
| 11 | JB Petroleum Corporation | Purcell, OK 73080-6954 | Oil & Gas Operator | Sep 2018 |
| 12 | Jec Operating LLC | Oklahoma City, OK 73114-2717 | Oil & Gas Operator | Dec 2024 |
| 13 | Jenex Operating Company | The Woodlands, TX 77380-164280209 | Oil & Gas Operator | May 2019 |
| 14 | Jerry Sanner Oil Properties Inc | Enid, OK 73701 | Oil & Gas Operator | Jan 2025 |
| 15 | Jet Oil Co12/Ofb See 18649 | | Oil & Gas Operator | Jul 2007 |
| 16 | Jhatco Inc | Enid, OK 73701 | Oil & Gas Operator | Jan 2025 |
| 17 | Jico Exploration Inc | Oklahoma City, OK 73118 | Oil & Gas Operator | Nov 2004 |
| 18 | JKB Resources LLC | Stigler, OK 74462 | Oil & Gas Operator | Dec 2024 |
| 19 | Jma Energy Company, LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Jan 2025 |
| 20 | JMK Energy Company | Hennessey, OK 73742-0518 | Oil & Gas Operator | Jun 2016 |
| 21 | JN Production LLP | Guthrie, OK 73028 | Oil & Gas Operator | Jan 2025 |
| 22 | Johnson E Lyle | Oklahoma City, OK 73142 | Oil & Gas Operator | Dec 2024 |
| 23 | Johnson Horace T | Tulsa, OK 74105 | Oil & Gas Operator | Dec 2000 |
| 24 | Jones & Pellow Oil Co | Oklahoma City, OK 73118-1115 | Oil & Gas Operator | Feb 2015 |
| 25 | Jones Energy LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Dec 2024 |
| 26 | Jones Oil Company LLC (The) | Duncan, OK 73533-4995 | Oil & Gas Operator | Jan 2025 |
| 27 | Jrhop Inc | Norman, OK 73072-4615 | Oil & Gas Operator | Dec 2015 |