| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Gallagher Drilling Inc | Evansville, IN 47730 | Oil Operator | Dec 2020 |
| 2 | Green River Gas Co, Inc | Oil & Gas Operator | Dec 2010 | |
| 3 | Greenville Oil Company | Greenville, KY 42345 | Oil Operator | Dec 2023 |