| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Western Operating Company | Denver, CO 80204 | Oil & Gas Operator | Jul 2025 |
| 2 | Westport Oil & Gas Company LP | The Woodlands, TX 77380 | Oil & Gas Operator | Feb 2007 |
| 3 | Wiepking-Fullerton Energy LLC | Oil & Gas Operator | Jul 2025 |