| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Feb 2024 |
| 2 | Sandlin Oil Corp | Dacono, CO 80514 | Oil & Gas Operator | Feb 2024 |
| 3 | Sawtooth Energy Partners LLC | Oil & Gas Operator | Nov 2005 | |
| 4 | Schneider Energy Services Inc | Oil & Gas Operator | Dec 2023 | |
| 5 | Schreider & Company, Inc | Oil & Gas Operator | Jun 2023 | |
| 6 | Setex Oil And Gas Company | Houston, TX 77002 | Oil & Gas Operator | Feb 2012 |
| 7 | Smith Energy Corp | Oil & Gas Operator | Sep 2023 | |
| 8 | Smith Oil Properties Inc | Oil & Gas Operator | Nov 2022 | |
| 9 | Southwestern Production Corporation | Lakewood, CO 80228 | Oil & Gas Operator | Mar 2024 |
| 10 | Sovereign Energy LLC | Oil & Gas Operator | Sep 2011 | |
| 11 | Starlight Resources LLC | Oil & Gas Operator | Jun 2006 | |
| 12 | Sundance Energy Inc | Denver, CO 80202 | Oil & Gas Operator | Jul 2014 |
| 13 | SWN Production Company, LLC | Spring, TX 77391 | Oil & Gas Operator | Feb 2024 |
| 14 | Synergy Resources Corporation | Oil & Gas Operator | Oct 2022 |