| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | J-Lu LTD Co | Ashdown, AR 71822 | Oil Operator | Jan 2025 |
| 2 | J-O'B Operating Company | Shreveport, LA 71135 | Oil & Gas Operator | Oct 2025 |
| 3 | J-W Operating Company | Christoval, TX 76935 | Oil & Gas Operator | Oct 2025 |
| 4 | J. M. Teutsch, Inc. | Oil Operator | Feb 1998 | |
| 5 | Jag Operating, L.L.C. | Shreveport, LA 71101 | Oil & Gas Operator | Apr 2019 |
| 6 | Jan-Mar Oil Company Inc. | Oil & Gas Operator | Jan 2025 | |
| 7 | Jeems Bayou Production Corp. | Oil City, LA 71061 | Oil & Gas Operator | Oct 2025 |
| 8 | JLM Sartor Inc | Oil & Gas Operator | Jul 2016 | |
| 9 | John D Caruthers Jr Et Al | Oil & Gas Operator | Aug 1981 | |
| 10 | John D. Caruthers,Jr.-Copeland | Oil & Gas Operator | Aug 1981 | |
| 11 | John Gillespie | Oil Operator | Jun 1981 | |
| 12 | John J. Welsh | Oil & Gas Operator | Dec 2024 | |
| 13 | John L. Copeland | Oil & Gas Operator | Jun 1982 | |
| 14 | John T. Palmer | Oil & Gas Operator | Jun 1982 | |
| 15 | Jones Operating Company | Levelland, TX 79336 | Oil & Gas Operator | Oct 2000 |