| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Robinson Engineering & Oil Company, Inc | Evansville, IN 47716 | Oil & Gas Operator | Dec 2022 |
| 2 | Roseclare Oil Co | Oil Operator | Dec 2016 | |
| 3 | Ryan Oil Co | Sherman Oaks, CA 91413 | Oil Operator | Dec 2021 |