| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Ziegler-Peru, Inc. | Houston, TX 77027 | Oil & Gas Operator | Dec 2019 |
| 2 | ZTH Operating, LLC | Troup, TX 75789 | Oil & Gas Operator | Oct 2025 |
| 3 | Zzron Inc. | Midland, TX 79704 | Oil & Gas Operator | Aug 2003 |