| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 801 | Wofford, C. J. | El Campo, TX 77437 | Oil & Gas Operator | Apr 2026 |
| 802 | Wolverine Exploration Company | Houston, TX 77002 | Oil & Gas Operator | May 2019 |
| 803 | Xog Operating LLC | Midland, TX 79702 | Oil & Gas Operator | Apr 2026 |
| 804 | XTO Energy Inc. | Spring, TX 77389 | Oil & Gas Operator | Apr 2026 |
| 805 | Zenergy Inc | Tulsa, OK 74136 | Oil & Gas Operator | Feb 2026 |
| 806 | Zinke & Trumbo, Inc. | Tulsa, OK 74136 | Oil & Gas Operator | Mar 2007 |