| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | General American Oil Co Of TX | Oil & Gas Operator | Jun 1983 | |
| 2 | Goldco Operating LLC | Shreveport, LA 71101 | Oil & Gas Operator | Aug 2020 |
| 3 | Goldsberry Operating Co., Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Aug 2020 |
| 4 | Goodrich Oil Company | Shreveport, LA 71101 | Oil & Gas Operator | Nov 2001 |
| 5 | Goodrich-Anderson | Oil & Gas Operator | Jul 1988 | |
| 6 | GPM, Inc. | Oil & Gas Operator | Jun 1994 | |
| 7 | Grace Petroleum Corp. | Tulsa, OK 74103 | Oil & Gas Operator | Oct 1997 |
| 8 | Greystone Petroleum, LLC | Tulsa, OK 74136 | Oil & Gas Operator | Oct 2025 |
| 9 | Grigsby Petroleum Inc. | Shreveport, LA 71101 | Oil & Gas Operator | Oct 2025 |
| 10 | Gulf States Pipeline Corp. | Oil & Gas Operator | May 2003 |