| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Sag Oil Company LLC | Wellsville, KS 66092 | Oil Operator | Dec 2025 |
| 2 | Savage James F | Oil Operator | Dec 1996 | |
| 3 | Scimitar Resc Li | Oil Operator | Oct 1982 | |
| 4 | Sieg Energy, Inc. | Ottawa, KS 66067 | Oil Operator | Nov 2025 |
| 5 | South Of Briles | Oil Operator | Aug 1989 | |
| 6 | Southern Sky Energy, LLC | Oil Operator | Dec 2025 | |
| 7 | Ssouri Oil Ventures | Oil Operator | Jan 2022 | |
| 8 | Stifter, Ralph E | Rantoul, KS 66079 | Oil Operator | Sep 2001 |