| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Indian Oil Company | Gainesville, TX 76241 | Oil & Gas Operator | Jun 2025 |
| 2 | Internorth Inc | Tulsa, OK 74136 | Oil & Gas Operator | Apr 2014 |
| 3 | Iochem Corporation | Oklahoma City, OK 73118-7483 | Oil & Gas Operator | Mar 2025 |
| 4 | Irex Corporation | Englewood, CO 80111 | Oil & Gas Operator | May 2000 |