| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Wagner Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Apr 2025 |
| 2 | White Oak Operating Company LLC | Houston, TX 77077 | Oil & Gas Operator | Apr 2025 |
| 3 | Whiting Petroleum Corporation | Denver, CO 80290 | Oil & Gas Operator | Jan 2025 |
| 4 | WM. T. Burton Industries, Inc. | Oil & Gas Operator | Apr 1988 |