| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Imperial Oil Com | Oil & Gas Operator | Dec 1992 | |
| 2 | Imperial Oil Properties, Inc. | Wichita, KS 67201 | Oil & Gas Operator | Jun 2006 |
| 3 | Indian Oil Company | Gainesville, TX 76241 | Oil & Gas Operator | Oct 2025 |
| 4 | Interior Oil Corporation | Derby, KS 67037 | Oil & Gas Operator | Jan 2023 |
| 5 | Iuka-Carmi Development LLC | Pratt, KS 67124 | Oil & Gas Operator | Jun 2025 |