| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | I C Gas Amcana Inc | Tulsa, OK 74103-3713 | Oil & Gas Operator | Apr 1996 |
| 2 | Icon Energy Company | Oklahoma City, OK 73156-1613 | Oil & Gas Operator | Jun 2025 |
| 3 | Icor Oil & Gas Of Okla LTD | Claremore, OK 74018-2132 | Oil & Gas Operator | Mar 2015 |
| 4 | Imperial Petroleum Inc | Evansville, IN 47725 | Oil & Gas Operator | Jan 2005 |
| 5 | Indian Wells Oil Co | Oklahoma City, OK 73116 | Oil & Gas Operator | Jan 2000 |
| 6 | Inland Oil Corporation | Sapulpa, OK 74067 | Oil & Gas Operator | Jul 2025 |
| 7 | International Energy Company LLC | Tulsa, OK 74136-3922 | Oil & Gas Operator | Jul 2025 |
| 8 | International Energy Corporation | Tulsa, OK 74136-3922 | Oil & Gas Operator | Dec 2018 |