| 1 | J & J Oil Company | Luling, TX 78648 | Oil & Gas Operator | Mar 2015 |
| 2 | J & J Oil Company LLC | Lubbock, TX 79424 | Oil Operator | Oct 2025 |
| 3 | J-Tag Public Saltwater | Healtdon, OK 73438 | Oil Operator | Sep 1998 |
| 4 | Jackson, Jeral W. Inc. | Wichita Falls, TX 76307 | Oil & Gas Operator | May 2004 |
| 5 | Jan Oil Company | Oklahoma City, OK 73156 | Oil & Gas Operator | May 2006 |
| 6 | January Investments LLC | Norman, OK 73069-8224 | Oil & Gas Operator | Jul 2025 |
| 7 | Jaquess W D "Bud" | Ada, OK 74820 | Oil & Gas Operator | Jan 2018 |
| 8 | Jasmine Inc | Duncan, OK 73534-1103 | Oil & Gas Operator | Jun 2017 |
| 9 | Jay B Harden | | Oil Operator | Jun 2025 |
| 10 | Jay Petroleum Inc | Oklahoma City, OK 73154-0526 | Oil & Gas Operator | Mar 2019 |
| 11 | JCT #1 LTD | Fairview, OK 73737-9614 | Oil Operator | Sep 2006 |
| 12 | Jec Operating LLC | Oklahoma City, OK 73114-2717 | Oil & Gas Operator | Jun 2025 |
| 13 | Jerico Resources LLC | Seminole, OK 74868-6538 | Oil & Gas Operator | Apr 2020 |
| 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 | Jetson Operating Inc | Ada, OK 74820 | Oil & Gas Operator | Sep 2024 |
| 18 | Jimmy R Chatham LLC | Healdton, OK 73438 | Oil & Gas Operator | Jul 2025 |
| 19 | Joe B Clifton Exploration Inc | Pauls Valley, OK 73075 | Oil & Gas Operator | Apr 2022 |
| 20 | Johnson Exploration Company | Oklahoma City, OK 73102-7008 | Oil & Gas Operator | Jun 2015 |
| 21 | Jolen Operating Company | Oklahoma City, OK 73102 | Oil & Gas Operator | Jun 2025 |
| 22 | Jones & Pellow Oil Co | Oklahoma City, OK 73118-1115 | Oil & Gas Operator | Feb 2015 |
| 23 | Jones Babe Inc | Floydada, TX 79235-0180 | Oil & Gas Operator | May 2019 |
| 24 | Jones Energy LLC | Oklahoma City, OK 73134 | Oil & Gas Operator | Jun 2025 |
| 25 | Jones III Thomas J | Duncan, OK 73533-4995 | Oil & Gas Operator | Dec 2018 |
| 26 | Jones Oil Company LLC (The) | Duncan, OK 73533-4995 | Oil & Gas Operator | Mar 2025 |
| 27 | Jones, L. E. Production Co. | Duncan, OK 73534 | Oil & Gas Operator | Jul 2014 |
| 28 | Jubilee Exploration LLC | Ardmore, OK 73401-7526 | Oil & Gas Operator | Dec 2024 |