| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Sabine Productio | Oil & Gas Operator | Mar 1994 | |
| 2 | Shaw George R | Oil & Gas Operator | Mar 1992 | |
| 3 | Sheel Oil Compan | Oil Operator | Jan 1985 | |
| 4 | SKKM Oil Company | Oil Operator | Dec 1992 | |
| 5 | Stixon Petroleum | Oil Operator | Dec 1996 | |
| 6 | Stotts-Kirkpatri | Oil Operator | Oct 1991 | |
| 7 | Suerte Oil Compa | Oil & Gas Operator | Oct 1995 | |
| 8 | Suerte Oil Company | Howard, KS 67349 | Oil & Gas Operator | Jan 2017 |
| 9 | Supra Energy, Inc. | Tulsa, OK 74137 | Oil & Gas Operator | May 1997 |