| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Imhoff David | Stroud, OK 74079-9725 | Oil & Gas Operator | Nov 2018 |
| 2 | Indrex Inc | Tulsa, OK 74133 | Oil & Gas Operator | Dec 2000 |
| 3 | Infinity Hydrocarbons LLC | Houston, TX 77079 | Oil & Gas Operator | Aug 2022 |
| 4 | Inland Oil Corporation | Sapulpa, OK 74067-0943 | Oil & Gas Operator | Jan 2024 |
| 5 | International Energy Company LLC | Oil & Gas Operator | Jan 2024 | |
| 6 | International Ventures, Inc. | Pogasa Springs, CO 81147 | Oil Operator | Jul 1996 |
| 7 | Investment Operating Co | Stillwater, OK 74075-8572 | Oil Operator | Jan 2024 |