| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Wesco Operating Inc | Casper, WY 82602 | Oil & Gas Operator | Oct 2025 |
| 2 | Western Gas Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Sep 2004 |
| 3 | Western Interior Energy Inc. | Denver, CO 80202 | Oil & Gas Operator | Dec 2016 |
| 4 | Wexpro Company | Rock Springs, WY 82902-0458 | Oil & Gas Operator | Sep 2025 |
| 5 | Wexpro Development Company | Salt Lake City, UT 84111 | Oil & Gas Operator | Sep 2025 |
| 6 | Wold Oil Properties Inc | Denver, CO 80203 | Oil & Gas Operator | Feb 2018 |
| 7 | Wolverine Resources LLC | Oil & Gas Operator | Jan 2024 | |
| 8 | Wyman* Louis M Dba Wyman Inc | Oil & Gas Operator | Oct 2025 | |
| 9 | Wynn-Crosby Operating, LTD. | Dallas, TX 75201 | Oil & Gas Operator | Dec 2025 |