| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Samson Oil Company | Oil & Gas Operator | Feb 2001 | |
| 2 | Sawtooth Energy Partners LLC | Oil & Gas Operator | Nov 2005 | |
| 3 | Smith Oil Properties Inc | Oil & Gas Operator | Nov 2022 | |
| 4 | Strachan Exploration Inc | Englewood, CO 80112 | Oil & Gas Operator | Jul 2025 |