| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Sacramento Energy Inc. | Oil & Gas Operator | Sep 2025 | |
| 2 | Samson Resources Company | Tulsa, OK 74103 | Oil & Gas Operator | Aug 2025 |
| 3 | San Carlos Oil & Gas Corp. | Gas Operator | Dec 2003 | |
| 4 | Sierra Resources, Inc. | Oklahoma City, OK 73142 | Oil & Gas Operator | Sep 2025 |
| 5 | Son Petroleum | Bakersfield, CA 93309 | Oil & Gas Operator | Mar 1994 |
| 6 | Source Energy Corp. | Gas Operator | Aug 2022 | |
| 7 | Stream Energy, Inc. | Oklahoma City, OK 73102 | Oil & Gas Operator | Sep 2025 |
| 8 | Summit Exploration (California) LLC | Oil & Gas Operator | Feb 2018 |