| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Sage Energy Company | San Antonio, TX 78215 | Oil & Gas Operator | Oct 2025 |
| 2 | Sands Oil Company Inc | Billings, MT 59103 | Oil & Gas Operator | Jul 2025 |
| 3 | Shell Oil Company | Houston, TX 77210 | Oil & Gas Operator | Apr 2015 |
| 4 | Silvco Energy, LLC | Oil Operator | Apr 2014 | |
| 5 | Snyder Oil Company | Fort Worth, TX 76102 | Oil & Gas Operator | Mar 2015 |
| 6 | Sohio Petroleum Co. | Casper, WY 82602 | Oil & Gas Operator | Apr 1986 |
| 7 | Solar Petroleum Inc | Oil Operator | May 1983 | |
| 8 | Spyglass Cedar Creek, LP | Gas Operator | Jul 2012 |