| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | S & C Oil Co. Inc. | Oil & Gas Operator | Aug 2025 | |
| 2 | Saba Petroleum Inc. | Oil & Gas Operator | Mar 2006 | |
| 3 | Santa Ana Canyon Dev. Corp. | Oil & Gas Operator | Jul 2025 | |
| 4 | Shell Western E&P Inc. | Houston, TX 77001 | Oil & Gas Operator | May 2011 |
| 5 | Signal Hill Petroleum Inc. | Oil & Gas Operator | Aug 2025 | |
| 6 | South Coast Oil Corporation | Boulder, CO 80302 | Oil & Gas Operator | Oct 2015 |
| 7 | Southridge Homes | Oil & Gas Operator | Dec 1999 | |
| 8 | Stephen W. Bradford | Oil Operator | Dec 1996 | |
| 9 | Sycamore Development Partners LLC | Oil & Gas Operator | Jul 2025 | |
| 10 | Synergy Oil & Gas LLC | Oil & Gas Operator | Jul 2025 |