| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Sage-California | Oil Operator | Dec 1988 | |
| 2 | Santa Fe Minerals, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Sep 2013 |
| 3 | Seneca Resources Co LLC | Cranberry Township, PA 16066 | Oil & Gas Operator | Feb 2024 |
| 4 | Shell Western E&P Inc. | Houston, TX 77001 | Oil & Gas Operator | May 2011 |
| 5 | Silver Exploration Company | Oil & Gas Operator | Dec 2023 | |
| 6 | SM&O LLC | Oil & Gas Operator | Dec 2023 | |
| 7 | Soc Resources Inc. | Oil & Gas Operator | Nov 2023 | |
| 8 | South Fork Ranch | Oil & Gas Operator | Feb 2013 | |
| 9 | State Lands Commission | Oil & Gas Operator | Nov 2023 |