| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Scana Petroleum Resources Inc | Houston, TX 77002 | Oil & Gas Operator | Jun 2013 |
| 2 | Shell Western E&P Inc. | Houston, TX 77001 | Oil & Gas Operator | May 2011 |
| 3 | Signal, LLC | Oil & Gas Operator | Jul 2025 | |
| 4 | Slik-Dril, Inc | Oil & Gas Operator | Nov 1998 | |
| 5 | Southern Energy Operating, LLC | Oil & Gas Operator | Jun 2025 | |
| 6 | Spooner Petroleum Company | Oil & Gas Operator | Jul 2025 | |
| 7 | Stinson, Jan | Oil Operator | May 1984 | |
| 8 | Superior Oil Co. | Denver, CO 80217-5444 | Oil & Gas Operator | Feb 2001 |