| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | G & L Oil Compan | Oil Operator | Oct 1988 | |
| 2 | G L M Company | Oil Operator | Dec 2023 | |
| 3 | Gear Petroleum Company, Inc. | Wichita, KS 67202 | Oil & Gas Operator | Dec 2009 |
| 4 | Glacier Petroleu | Oil & Gas Operator | Nov 1995 | |
| 5 | Glenda Gas Compa | Oil Operator | Sep 1988 |