| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Icon Energy Company | Oklahoma City, OK 73156-1613 | Oil & Gas Operator | Jun 2025 |
| 2 | Igleheart Warren | Edmond, OK 73034-8964 | Oil & Gas Operator | Jun 2016 |
| 3 | Indian Nation Energy Company | Wewoka, OK 74884-3456 | Oil & Gas Operator | Apr 2020 |
| 4 | Ingram Exploration Inc | Seminole, OK 74868 | Oil & Gas Operator | Jun 2025 |
| 5 | Inland Oil Corporation | Sapulpa, OK 74067 | Oil & Gas Operator | Jul 2025 |
| 6 | Inland Operating Company | Tulsa, OK 74136 | Oil & Gas Operator | May 2025 |
| 7 | Interstate Operating LLC | Tulsa, OK 74101-0535 | Oil & Gas Operator | Aug 2013 |
| 8 | Investment Equipment LLC | FT Morgan, CO 80701 | Oil & Gas Operator | Jul 2025 |