| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Zarvona Energy LLC | Houston, TX 77002 | Oil & Gas Operator | Apr 2026 |
| 2 | Zeal Production Company | Sperry, OK 74073-4714 | Oil & Gas Operator | Feb 2026 |
| 3 | Zeiders Bros. Oil & Gas Company, L.L.C. | Edmond, OK 73003 | Oil & Gas Operator | Jan 2026 |
| 4 | Zenergy Inc | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2026 |
| 5 | Zinke & Trumbo LTD | Tulsa, OK 74105 | Oil & Gas Operator | Sep 2017 |