| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Imperial Oil Company | Houston, TX 77073 | Oil & Gas Operator | Oct 2004 |
| 2 | Inland Gas Corp. | Houston, TX 77036 | Oil Operator | Dec 2011 |
| 3 | Ip Petroleum Company, Inc. | Houston, TX 77210 | Oil & Gas Operator | Mar 2008 |
| 4 | Ipact | Austin, TX 78734 | Oil & Gas Operator | Oct 2025 |