Oil & Gas Companies in Alabama
| Company Name | Company Location | Company Type | Most Recent Production |
| 1 | Gas Processors, Inc. | Columbia, MS 39429 | Oil & Gas Operator | Apr 2019 |
| 2 | Geomet Operating Co., Inc. | | Gas Operator | Dec 2013 |
| 3 | Germany Oil Company | Tulsa, OK 74135 | Oil & Gas Operator | Oct 2002 |
| 4 | Getty Oil Company | Hays, KS 67601 | Oil & Gas Operator | Mar 2015 |
| 5 | Gibraltar Energy Co., Inc. & Richard H. Mason | | Gas Operator | Aug 1995 |
| 6 | Gibraltar Energy Company, Inc. | | Oil & Gas Operator | Jul 2025 |
| 7 | Grace Petroleum Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1997 |
| 8 | Great Western Onshore Inc | Houston, TX 77002 | Oil & Gas Operator | Mar 2008 |
| 9 | Griffin Resources, Inc. | | Oil & Gas Operator | Jun 2025 |
| 10 | Gulf Coast Mineral, LLC | Foley, AL 36535 | Oil & Gas Operator | Jul 2021 |
| 11 | Gulf Oil Corp. | Denver, CO 80201-0599 | Oil & Gas Operator | Dec 2014 |
| 12 | Gulf Pine Energy, LP | | Oil & Gas Operator | Jun 2025 |
| 13 | Gulf Refining Co. | | Oil Operator | Dec 2006 |
| 14 | Gurnee Gas Co., L.L.C. | | Gas Operator | Jul 2001 |
Production numbers shown above are only for Alabama and for the production period listed.