Oil & Gas Companies in Harrison County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Gardner Energy Corporation | Houston, TX 77024 | Oil & Gas Operator | Mar 1999 |
| 2 | Garrison Operating, L.L.C. | Tomball, TX 77375 | Oil & Gas Operator | Oct 2025 |
| 3 | Gei Management Co., Inc. | Houston, TX 77024 | Oil & Gas Operator | Sep 1993 |
| 4 | Gemini Exploration Inc | Oklahoma City, OK 73159 | Oil & Gas Operator | May 2013 |
| 5 | Genecov Group, Inc. The | Tyler, TX 75713 | Oil & Gas Operator | Dec 2002 |
| 6 | GMX Resources, Inc. | Oklahoma City, OK 73114 | Oil & Gas Operator | Mar 2014 |
| 7 | Goldsberry Operating Co., Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Aug 2020 |
| 8 | Goldston Oil Corporation | Houston, TX 77257 | Oil & Gas Operator | Oct 2025 |
| 9 | Goodrich Oil Company | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2001 |
| 10 | Goodrich Petroleum Company | Houston, TX 77002 | Oil & Gas Operator | Feb 2022 |
| 11 | Goodwill, G. R. | Shreveport, LA 71107 | Oil & Gas Operator | Oct 2025 |
| 12 | Graward Operating, Inc. | Tyler, TX 75702 | Oil & Gas Operator | Oct 2025 |
| 13 | Graystone Energy Corporation | Judson, TX 75660 | Oil & Gas Operator | Oct 2025 |
| 14 | Great Northern Energy, Inc | Irving, TX 75039 | Oil & Gas Operator | Oct 2025 |
| 15 | Griffith Resources | Kilgore, TX 75663 | Oil & Gas Operator | Oct 2013 |
| 16 | GTG Operating, LLC | Tyler, TX 75702 | Oil & Gas Operator | Oct 2025 |
Production numbers shown above are only for Harrison County, TX and for the production period listed.