| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Yentzen Investments, Inc. | Sugar Land, TX 77478 | Oil Operator | May 1993 |
| 2 | Yuma E & P Company, Inc. | Houston, TX 77027 | Oil & Gas Operator | Oct 2025 |
| 3 | Yuma Petroleum Company | Houston, TX 77027 | Oil & Gas Operator | Aug 2002 |