| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Santa Fe Minerals, Inc. | Dallas, TX 75240 | Oil & Gas Operator | Sep 2013 |
| 2 | Santa Fe-Andover Oil Co | Tulsa, OK 74172 | Oil & Gas Operator | Sep 2000 |
| 3 | Sante Fe Minerals | Oil & Gas Operator | Dec 1987 | |
| 4 | Signal Oil And Gas Company | Colleyville, TX 76034 | Oil & Gas Operator | Apr 2024 |
| 5 | Slam Resources, Inc. | Oil & Gas Operator | Apr 1994 | |
| 6 | Ssi Energy LLC | Oil & Gas Operator | Jul 2021 | |
| 7 | Superior Oil Co. | Denver, CO 80217-5444 | Oil & Gas Operator | Feb 2001 |
| 8 | Swampfox Oilfield Services, LLC | Oil & Gas Operator | Dec 2023 | |
| 9 | Sylvan Energy, LLC | Pittsburgh, PA 15211 | Oil & Gas Operator | Apr 2024 |