| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Walsh Production Inc | Oil & Gas Operator | Nov 2008 | |
| 2 | Ward Petroleum Corporation | Enid, OK 73702 | Oil & Gas Operator | Sep 2024 |
| 3 | Western Interior Energy Inc. | Denver, CO 80202 | Oil & Gas Operator | Jul 2020 |
| 4 | Western Operating Company | Denver, CO 80204 | Oil & Gas Operator | Sep 2024 |
| 5 | Whiting Oil And Gas Corporation | Houston, TX 77002 | Oil & Gas Operator | Dec 2024 |
| 6 | Windsor Energy Group LLC | Oklahoma City, OK 73118 | Oil & Gas Operator | Aug 2021 |
| 7 | Wise* Wayne L | Oil & Gas Operator | Dec 2023 |