| 1 | J & J Production Company LLC | Okemah, OK 74859 | Oil & Gas Operator | Jun 2025 |
| 2 | J & J Tank Truck Services LLC | Peyton, CO 80831 | Oil Operator | Oct 2024 |
| 3 | J Black Productions LLC | Seminole, OK 74868 | Oil Operator | May 2025 |
| 4 | J J B Oil & Gas Inc | Mineral Wells, TX 76068 | Oil & Gas Operator | Nov 1996 |
| 5 | J O MC Oil & Gas Inc | Maud, OK 74854 | Oil & Gas Operator | Apr 1999 |
| 6 | J&R Operating | Holliday, TX 76366 | Oil & Gas Operator | Feb 2024 |
| 7 | Jackson L B Production Co | Tulsa, OK 74193-0001 | Oil & Gas Operator | Aug 2013 |
| 8 | Jackson Oilfield Service Inc | Purcell, OK 73080-4357 | Oil & Gas Operator | Jan 2021 |
| 9 | Jagger Oil LLC | Konawa, OK 74849 | Oil & Gas Operator | Jun 2025 |
| 10 | James Petroleum Inc | Oklahoma City, OK 73116 | Oil & Gas Operator | Feb 2014 |
| 11 | Jan Oil Company | Oklahoma City, OK 73156 | Oil & Gas Operator | May 2006 |
| 12 | January Investments LLC | Norman, OK 73069-8224 | Oil & Gas Operator | Jul 2025 |
| 13 | Jaquess W D "Bud" | Ada, OK 74820 | Oil & Gas Operator | Jan 2018 |
| 14 | Jay Petroleum Inc | Oklahoma City, OK 73154-0526 | Oil & Gas Operator | Mar 2019 |
| 15 | JCTJ Energy LLC | Asher, OK 74826 | Oil & Gas Operator | Jun 2025 |
| 16 | Jeau Mar Limited Inc | Tulsa, OK 74114 | Oil & Gas Operator | Jul 1996 |
| 17 | Jena Operating Company, Inc. | Dallas, TX 75367 | Oil & Gas Operator | May 2007 |
| 18 | Jenkins Charles L | Edmond, OK 73083-3610 | Oil Operator | Jul 1996 |
| 19 | Jenkins Energy Company | Comanche, OK 73529 | Oil Operator | Jun 2025 |
| 20 | Jerico Resources LLC | Seminole, OK 74868-6538 | Oil & Gas Operator | Apr 2020 |
| 21 | Jerry Scott Drilling Company Inc | Ada, OK 74821 | Oil & Gas Operator | Apr 2025 |
| 22 | Jesse Operating LLC | Konawa, OK 74849-4917 | Oil Operator | Apr 2025 |
| 23 | Jetson Operating Inc | Ada, OK 74820 | Oil & Gas Operator | Sep 2024 |
| 24 | Jewell Consulting Inc | Bixby, OK 74008 | Oil & Gas Operator | Dec 2022 |
| 25 | Joe B Clifton Exploration Inc | Pauls Valley, OK 73075 | Oil & Gas Operator | Apr 2022 |
| 26 | Johnson Bates Drilling Co Inc | Konawa, OK 74849 | Oil & Gas Operator | Aug 2002 |
| 27 | Johnson Doyle T | Oklahoma City, OK 73118-1007 | Oil & Gas Operator | Jan 2013 |
| 28 | Johnson E Lyle | Oklahoma City, OK 73142 | Oil & Gas Operator | Jun 2025 |
| 29 | Jolen Operating Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2025 |
| 30 | Jordan Oil & Gas Company | Healdsburg, CA 95448-1919 | Oil & Gas Operator | Mar 1995 |
| 31 | Josie Oil & Gas Inc | Seminole, OK 74818-0134 | Oil & Gas Operator | Mar 2015 |
| 32 | Jvo Petroleum Inc | Shawnee, OK 74801 | Oil & Gas Operator | Jul 1995 |