| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | I T Enterprises Inc | Tulsa, OK 74170-0775 | Oil & Gas Operator | Mar 2011 |
| 2 | I-Mac Petroleum Service Inc | Bixby, OK 74008-3778 | Oil & Gas Operator | Apr 2020 |
| 3 | Infinity Oil & Gas Inc | Nowata, OK 74048 | Oil Operator | Jun 1993 |
| 4 | Inland Oil Corporation | Sapulpa, OK 74067-0943 | Oil & Gas Operator | Jan 2024 |
| 5 | Iron Hawk Energy Group Joint Venture | Oil & Gas Operator | Jan 2024 |