| 1 | J & J Oil Co. | Luling, TX 78648 | Oil & Gas Operator | Mar 2015 |
| 2 | J & J Oil Company LLC | Lubbock, TX 79424 | Oil Operator | Dec 2025 |
| 3 | J & K Production LLC | Konawa, OK 74849 | Oil Operator | Sep 2025 |
| 4 | J & S Oil Company | Graham, TX 76450 | Oil & Gas Operator | Apr 2022 |
| 5 | J C Petroleum Inc | Chickasha, OK 73023-1433 | Oil & Gas Operator | Dec 2013 |
| 6 | J D Sutton Inc | Loco, OK 73442-9701 | Oil & Gas Operator | Sep 2025 |
| 7 | Jack Oil Company L.L.C. | Duncan, OK 73533 | Oil & Gas Operator | Aug 2025 |
| 8 | Jackson J M | Oklahoma City, OK 73101 | Oil & Gas Operator | Apr 2005 |
| 9 | James Oil Company | Compton, CA 90221-4399 | Oil & Gas Operator | Nov 2008 |
| 10 | Jan Oil Company | Oklahoma City, OK 73156 | Oil & Gas Operator | May 2006 |
| 11 | Jasmine Inc | Duncan, OK 73534-1103 | Oil & Gas Operator | Jun 2017 |
| 12 | Jaycar Production LLC | Comanche, OK 73529-4670 | Oil Operator | Jul 2025 |
| 13 | JB Smith Operating Co LLC | Duncan, OK 73533-4618 | Oil Operator | Aug 2025 |
| 14 | Jenkins & Sons Production Inc | Arkansas City, KS 67005 | Oil Operator | Jul 2014 |
| 15 | Jenkins Charley W Dba Jenkins Oil Company | Duncan, OK 73533-3204 | Oil Operator | Mar 2015 |
| 16 | Jenkins Energy Company | Comanche, OK 73529 | Oil Operator | Jul 2025 |
| 17 | Jerry Sanner Oil Properties Inc | Enid, OK 73701 | Oil & Gas Operator | Sep 2025 |
| 18 | Jim Bennett Oil Co Inc | | Oil & Gas Operator | Mar 2019 |
| 19 | Jimmy R Chatham LLC | Healdton, OK 73438 | Oil & Gas Operator | Sep 2025 |
| 20 | Jma Energy Company LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Sep 2025 |
| 21 | Jobe Oil & Gas | Comanche, OK 73529-0244 | Oil & Gas Operator | Aug 2025 |
| 22 | Johnson E Lyle | Oklahoma City, OK 73142 | Oil & Gas Operator | Aug 2025 |
| 23 | Johnson Oil Company | Duncan, OK 73533 | Oil Operator | Aug 2025 |
| 24 | Jones & Pellow Oil Co | Oklahoma City, OK 73118-1115 | Oil & Gas Operator | Feb 2015 |
| 25 | Jones Brent | Duncan, OK 73533-6608 | Oil & Gas Operator | Nov 2015 |
| 26 | Jones III Thomas J | Duncan, OK 73533-4995 | Oil & Gas Operator | Dec 2018 |
| 27 | Jones Jay D Revocable Inter VIvos Trust | Duncan, OK 73534 | Oil & Gas Operator | Mar 2015 |
| 28 | Jones Oil Company | Ardmore, OK 73402-1389 | Oil & Gas Operator | Aug 2022 |
| 29 | Jones Oil Company LLC (The) | Duncan, OK 73533-4995 | Oil & Gas Operator | Mar 2025 |
| 30 | Jones, L. E. Production Co. | Duncan, OK 73534 | Oil & Gas Operator | Jul 2014 |
| 31 | Jones, Margo B | | Oil Operator | Nov 1998 |
| 32 | Jwimco, L.L.C. | Dallas, TX 75229 | Oil & Gas Operator | Aug 2025 |