| 1 | J & T Operating Inc | Norman, OK 73070-1736 | Oil & Gas Operator | Feb 2012 |
| 2 | J A Marrs Oil Company Inc | Drumright, OK 74030 | Oil & Gas Operator | Aug 2024 |
| 3 | J D Operating Company | Tulsa, OK 74105 | Oil & Gas Operator | Jun 2005 |
| 4 | J O C Operating Inc | Fort Worth, TX 76102-6823 | Oil & Gas Operator | Feb 2021 |
| 5 | J.D. Pittman Operating LLC | Edmond, OK 73025 | Oil & Gas Operator | Jun 2025 |
| 6 | Jai Oil | Lucien, OK 73757 | Oil & Gas Operator | Jun 2025 |
| 7 | James Larry | Guthrie, OK 73044-9622 | Oil & Gas Operator | Jul 2025 |
| 8 | James Lawrence E Estate Of | Crescent, OK 73028-9304 | Oil & Gas Operator | Nov 2021 |
| 9 | James Raymond L | Sapulpa, OK 74066-8785 | Oil & Gas Operator | Jul 2025 |
| 10 | Jan Oil Company | Oklahoma City, OK 73156 | Oil & Gas Operator | May 2006 |
| 11 | Jay Petroleum Inc | Oklahoma City, OK 73154-0526 | Oil & Gas Operator | Mar 2019 |
| 12 | Jegeroil Corp | New York, NY 10036 | Oil & Gas Operator | Aug 2000 |
| 13 | Jeron Oil And Gas Inc | Denison, TX 75020 | Oil & Gas Operator | Jun 2000 |
| 14 | Jerry Sanner Oil Properties Inc | Enid, OK 73701 | Oil & Gas Operator | Jul 2025 |
| 15 | Jerry Scott Drilling Company Inc | Ada, OK 74821 | Oil & Gas Operator | Apr 2025 |
| 16 | Jet Oil Co12/Ofb See 18649 | | Oil & Gas Operator | Jul 2007 |
| 17 | JJJ & D Inc | Yale, OK 74085 | Oil Operator | Sep 1998 |
| 18 | Johnson Horace T | Tulsa, OK 74105 | Oil & Gas Operator | Dec 2000 |
| 19 | Joie Oil & Gas Inc | Sapulpa, OK 74067 | Oil & Gas Operator | Dec 1998 |
| 20 | Jones, Mildred J | | Oil & Gas Operator | May 2006 |
| 21 | Judge Ken & Lester | Perkins, OK 74059 | Oil & Gas Operator | Aug 2014 |