| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | SM Energy Company | Midland, TX 79707 | Oil & Gas Operator | Oct 2025 |
| 2 | Snowy Owl LLC | Gillette, WY 82717 | Oil & Gas Operator | Aug 2025 |
| 3 | Sonat Exploration Co. | Houston, TX 77251 | Oil & Gas Operator | Dec 2021 |
| 4 | Steamboat Oil And Gas LLC | Gillette, WY 82717 | Oil Operator | Aug 2025 |
| 5 | Stephens Production Company | The Woodlands, TX 77381 | Oil & Gas Operator | Jul 2025 |
| 6 | Storm Cat Energy USA Operating Corp | Denver, CO 80202 | Gas Operator | Jun 2017 |
| 7 | Summit Gas Resources Inc | Sheridan, WY 82801 | Gas Operator | Dec 2023 |
| 8 | Sunshine Valley Petroleum | Casper, WY 82605 | Oil & Gas Operator | Aug 2025 |
| 9 | Swepi LP | Houston, TX 77079 | Oil & Gas Operator | Jul 2020 |