Oil & Gas Companies in Jefferson County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | Gaither Petroleum Corporation | Katy, TX 77493 | Oil & Gas Operator | Mar 2025 |
| 2 | Gary Oil & Gas | Deer Park, TX 77536 | Oil & Gas Operator | Mar 2025 |
| 3 | General Atlantic Resources Inc | Denver, CO 80202 | Oil & Gas Operator | Jan 2022 |
| 4 | Geodyne Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2015 |
| 5 | Gepard Energy Inc | The Woodlands, TX 77380 | Oil & Gas Operator | Mar 2025 |
| 6 | Goldking Prod. Co. | Houston, TX 77002 | Oil & Gas Operator | Apr 1998 |
| 7 | Goldrus Producing Company | Houston, TX 77064 | Oil & Gas Operator | Aug 2009 |
| 8 | Goldston Oil Corporation | Houston, TX 77257 | Oil & Gas Operator | Mar 2025 |
| 9 | Goodrich Operating Company, Inc. | Houston, TX 77002 | Oil & Gas Operator | Mar 2006 |
| 10 | Grayrock Energy II, LLC | Fort Worth, TX 76101 | Oil & Gas Operator | Mar 2025 |
| 11 | Guidry, J.R. | High Island, TX 77623 | Oil Operator | Mar 2025 |
| 12 | Gulf Shore Petro. Oper. Co., Inc | Woodland HLS, CA 91367 | Oil & Gas Operator | Apr 1998 |
| 13 | Gulfmark Energy Inc | Houston, TX 77027 | Gas Operator | Apr 2023 |
Production numbers shown above are only for Jefferson County, TX and for the production period listed.