Oil & Gas Companies in Harris County, TX
| Company Name | Company Location | Company Type | Most Recent Production |
|---|
| 1 | G E Operating, Inc. | Graham, TX 76450 | Oil & Gas Operator | May 2020 |
| 2 | Gaither Petroleum Corporation | Katy, TX 77493 | Oil & Gas Operator | Dec 2024 |
| 3 | Galloway Energy Co. | Tomball, TX 77377 | Oil & Gas Operator | Dec 2024 |
| 4 | Galloway Lone Star, L.L.C. | Tomball, TX 77377 | Oil & Gas Operator | Dec 2024 |
| 5 | Gary Oil & Gas | Deer Park, TX 77536 | Oil & Gas Operator | Dec 2024 |
| 6 | Gei Management Co., Inc. | Houston, TX 77024 | Oil & Gas Operator | Sep 1993 |
| 7 | General Oil Company, Inc. | Wichita, KS 67213 | Oil & Gas Operator | Dec 2024 |
| 8 | Geo Asset Management, Inc. | Katy, TX 77493 | Oil & Gas Operator | Dec 2024 |
| 9 | Geo Engineering Inc | Houston, TX 77027 | Oil & Gas Operator | Jun 2009 |
| 10 | Geodyne Operating Company | Tulsa, OK 74103 | Oil & Gas Operator | Jun 2015 |
| 11 | Global Natural Resources Corp. | Houston, TX 77002 | Oil & Gas Operator | May 1998 |
| 12 | Goldking Prod. Co. | Houston, TX 77002 | Oil & Gas Operator | Apr 1998 |
| 13 | Goodrich Oil Company | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2001 |
| 14 | Gordy Oil Company | Houston, TX 77007 | Oil & Gas Operator | Dec 2024 |
| 15 | Gould Oil Inc. | Wichita, KS 67278 | Oil & Gas Operator | Oct 2019 |
| 16 | Grace Petroleum Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1997 |
| 17 | Graham Royalty LTD | Covington, LA 70434 | Oil & Gas Operator | Jul 2007 |
| 18 | Greenbriar Energy Inc. | Houston, TX 77098 | Oil & Gas Operator | Feb 2004 |
| 19 | Gruy Petroleum Management Co. | Irving, TX 75014 | Oil & Gas Operator | Nov 2014 |
| 20 | GSF Energy, L.L.C. | Pittsburgh, PA 15220 | Gas Operator | Mar 2018 |
| 21 | Gulfmark Energy Inc | Houston, TX 77027 | Gas Operator | Apr 2023 |
Production numbers shown above are only for Harris County, TX and for the production period listed.