| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Scheck Oil Operation | Oil & Gas Operator | Dec 2023 | |
| 2 | Schmidt Kermit O | Oil & Gas Operator | Sep 1995 | |
| 3 | Schneider Oil Co | Oil Operator | Oct 1988 | |
| 4 | Schulz Oil & Gas, Inc. | Canton, KS 67428 | Oil & Gas Operator | Nov 2023 |
| 5 | Schulz Roger A | Oil & Gas Operator | Dec 1996 | |
| 6 | Slawson, Donald C. | Wichita, KS 67202 | Oil & Gas Operator | Nov 2023 |
| 7 | Slo Oil, LLC | El Dorado, KS 67042 | Oil Operator | Nov 2022 |
| 8 | Southern States | Oil & Gas Operator | Jul 1988 | |
| 9 | Sterling Drillin | Oil & Gas Operator | Mar 1992 | |
| 10 | Stucky Oil Compa | Oil Operator | Mar 1988 | |
| 11 | Stucky, Kenneth R. Oil & Gas Operations | Burrton, KS 67020 | Oil & Gas Operator | Aug 2002 |