| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Iberia Operating Corporation | Oil & Gas Operator | Jan 2003 | |
| 2 | Indian Exploration, Inc. | Lafayette, LA 70505 | Oil & Gas Operator | Dec 2025 |
| 3 | Inexco Oil Company | Houston, TX 77210 | Oil & Gas Operator | Mar 2013 |
| 4 | Intercoast Oil And Gas Company | Tulsa, OK 74136 | Oil & Gas Operator | Jun 1997 |
| 5 | Iowa Production Company, Inc. | Oil & Gas Operator | Jan 1992 |