| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 801 | Young Marshall R Oil Co | Fort Worth, TX 76107 | Oil & Gas Operator | Mar 2011 |
| 802 | Young, Clint Inc. | Graham, TX 76450 | Oil & Gas Operator | Dec 2025 |
| 803 | Zadeck Energy Group | Shreveport, LA 71101 | Oil & Gas Operator | Dec 2011 |
| 804 | Zivney Energy | White Oak, TX 75693 | Oil & Gas Operator | Dec 2025 |
| 805 | Zone Energy, LLC | Houston, TX 77251 | Oil & Gas Operator | Jan 2025 |
| 806 | ZTH Operating, LLC | Troup, TX 75789 | Oil & Gas Operator | Dec 2025 |