| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Sand Dollar Ener | Oil Operator | Aug 1984 | |
| 2 | Scout Energy Management LLC | Dallas, TX 75240 | Oil & Gas Operator | May 2024 |
| 3 | SCZ Resources, LLC | Houston, TX 77055 | Oil Operator | Jan 2024 |
| 4 | Sek Energy, LLC | Benedict, KS 66714 | Oil & Gas Operator | Jan 2024 |
| 5 | Sek Oil Incorpor | Oil Operator | Jun 1985 | |
| 6 | Seymour Oil Co., Inc. | Edmond, OK 73025 | Oil & Gas Operator | Jul 2011 |
| 7 | Southwind Exploration, LLC | Venice, FL 34293 | Oil & Gas Operator | Sep 2003 |
| 8 | Stoeppelwerth DR | Oil Operator | May 1993 | |
| 9 | Strata Oil Incor | Oil Operator | Mar 1994 | |
| 10 | Sunrise Oil Corp | Oil Operator | Mar 1992 |