| 1 | J & J Production Company LLC | Okemah, OK 74859 | Oil & Gas Operator | Jun 2025 |
| 2 | J I Staley Co LLC | Okmulgee, OK 74447 | Oil & Gas Operator | Apr 2025 |
| 3 | J J B Oil & Gas Inc | Mineral Wells, TX 76068 | Oil & Gas Operator | Nov 1996 |
| 4 | J.D. Pittman Operating LLC | Edmond, OK 73025 | Oil & Gas Operator | Jun 2025 |
| 5 | Jackson Oilfield Service Inc | Purcell, OK 73080-4357 | Oil & Gas Operator | Jan 2021 |
| 6 | Jagger Oil LLC | Konawa, OK 74849 | Oil & Gas Operator | Jun 2025 |
| 7 | Jake Energy LLC | Prague, OK 74864 | Oil & Gas Operator | Jul 2021 |
| 8 | James Energy Company | Okmulgee, OK 74447-0275 | Oil & Gas Operator | May 2013 |
| 9 | James Oil Company | Compton, CA 90221-4399 | Oil & Gas Operator | Nov 2008 |
| 10 | Jay Petroleum Inc | Oklahoma City, OK 73154-0526 | Oil & Gas Operator | Mar 2019 |
| 11 | JCN Petroleum Corporation | Edmond, OK 73083-3357 | Oil & Gas Operator | Jun 2004 |
| 12 | Jec Operating LLC | Oklahoma City, OK 73114-2717 | Oil & Gas Operator | Jun 2025 |
| 13 | Jericho Exploration | Weleetka, OK 74880-0704 | Oil & Gas Operator | Jun 2025 |
| 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 | Jesse'S Oilfield Service | Okemah, OK 74859 | Oil & Gas Operator | Sep 2014 |
| 17 | Jetson Operating Inc | Ada, OK 74820 | Oil & Gas Operator | Sep 2024 |
| 18 | Jimmy Earl Wilson | Okemah, OK 74859 | Gas Operator | Jun 2025 |
| 19 | Johnson Exploration Company | Oklahoma City, OK 73102-7008 | Oil & Gas Operator | Jun 2015 |
| 20 | Jordan Oil & Gas Company | Healdsburg, CA 95448-1919 | Oil & Gas Operator | Mar 1995 |