| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Western Interior Energy Inc. | Denver, CO 80202 | Oil & Gas Operator | Dec 2016 |
| 2 | Western Operating Company | Denver, CO 80204 | Oil & Gas Operator | Aug 2025 |
| 3 | Windsor Energy Group LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Aug 2021 |
| 4 | Wise* Wayne L | Oil & Gas Operator | Dec 2023 |