| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Singletree Resources, Inc. | Oil Operator | Aug 2014 | |
| 2 | Smith Oil Properties Inc | Oil & Gas Operator | Nov 2022 | |
| 3 | Smith Red Plains Production | Oil & Gas Operator | Dec 2025 | |
| 4 | Smith Red Plains Production LLC | Oil & Gas Operator | Jun 2026 | |
| 5 | Soper Production | Oil & Gas Operator | Dec 2011 |