| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Nov 2025 |
| 2 | Seneca Resources Co LLC | Cranberry Township, PA 16066 | Oil & Gas Operator | Dec 2025 |
| 3 | Sentinel Peak Resources California LLC | Oil & Gas Operator | Dec 2025 | |
| 4 | Shell Western E&P Inc. | Houston, TX 77001 | Oil & Gas Operator | May 2011 |
| 5 | Sierra Reserve Company | Oil Operator | Dec 1985 | |
| 6 | Solimar Energy LLC | Oil & Gas Operator | Nov 2025 |