| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Zachry Exploration, LLC | San Antonio, TX 78224 | Oil & Gas Operator | Apr 2024 |
| 2 | Zackson Resources, Inc. | Houston, TX 77063 | Oil & Gas Operator | Apr 2024 |
| 3 | Zenergy Inc | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2024 |
| 4 | Zinke & Trumbo, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2007 |
| 5 | Zinn Petroleum Co. | Houston, TX 77024 | Oil & Gas Operator | Nov 2021 |