| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | G. H. Preuitt | Oil & Gas Operator | Sep 2025 | |
| 2 | G. L. Stafford Jr. | Oil Operator | Dec 1996 | |
| 3 | Gary Drilling Company | Oil & Gas Operator | Dec 2000 | |
| 4 | General Production Oil LLC | Oil Operator | Dec 2025 | |
| 5 | Geo Petroleum, Inc. | Borger, TX 79007 | Oil & Gas Operator | Dec 2025 |
| 6 | Glendale Oil LLC | Oil & Gas Operator | Oct 2025 | |
| 7 | Golden Gate Oil Operations LLC | Oil & Gas Operator | Sep 2025 | |
| 8 | Golden Valley Energy LLC | Oil & Gas Operator | Sep 2025 | |
| 9 | Gordon Dole | Oil & Gas Operator | Oct 2025 | |
| 10 | Grace Petroleum Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1997 |
| 11 | Grapevine Energy LLC | Oil & Gas Operator | Oct 2025 | |
| 12 | Gravelle Family Trust | Oil & Gas Operator | Dec 1999 | |
| 13 | Gray Development Co. LLC | Oil & Gas Operator | Oct 2025 | |
| 14 | Grayson Service Inc. | Oil & Gas Operator | Sep 2025 | |
| 15 | Great Western Drilling | Oil Operator | Dec 2002 | |
| 16 | Green Earth Resources Inc. | Oil & Gas Operator | Dec 2020 | |
| 17 | Griffin Resources LLC | Breckenridge, TX 76424 | Oil & Gas Operator | Dec 2025 |