| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | J F D Inc | Houston, TX 77041-6914 | Oil & Gas Operator | Feb 2000 |
| 2 | J-O'B Operating Company | Shreveport, LA 71135 | Oil & Gas Operator | Dec 2025 |
| 3 | J.A. Seglund,Inc. | Oil & Gas Operator | May 1982 | |
| 4 | J.R. Vann | Oil & Gas Operator | Dec 1979 | |
| 5 | Jack Corman | Oil & Gas Operator | Jul 1981 | |
| 6 | James A. Whitson, Jr. | Oil & Gas Operator | Apr 2016 | |
| 7 | Jetta Operating Company, Inc. | Fort Worth, TX 76102 | Oil & Gas Operator | Dec 2025 |
| 8 | John W. Mecom | Oil & Gas Operator | Mar 1991 | |
| 9 | Jones-O'Brien, Inc. | Oil & Gas Operator | Feb 1982 | |
| 10 | June Energy Inc. | Oil & Gas Operator | May 2000 |