| Company Name | Company Location | Company Type | Most Recent Production | |
|---|---|---|---|---|
| 1 | Ignis Energy LLC | Blackwell, OK 73116 | Oil & Gas Operator | Apr 2025 |
| 2 | Ike Energy LLC | Stillwater, OK 74074-1745 | Oil & Gas Operator | Apr 2025 |
| 3 | Indian Wells Oil Co | Oklahoma City, OK 73116 | Oil & Gas Operator | Jan 2000 |
| 4 | Inland Oil Corporation | Sapulpa, OK 74066 | Oil & Gas Operator | Jan 2025 |
| 5 | International Energy Company LLC | Tulsa, OK 74136-3922 | Oil & Gas Operator | Apr 2025 |
| 6 | International Energy Corporation | Tulsa, OK 74136-3922 | Oil & Gas Operator | Dec 2018 |
| 7 | Investment Equipment LLC | FT Morgan, CO 80701 | Oil & Gas Operator | May 2025 |
| 8 | Investment Operating Co | Stillwater, OK 74075-8572 | Oil Operator | May 2025 |
| 9 | Iron Hawk Energy Group Joint Venture | Tulsa, OK 74103 | Oil & Gas Operator | Apr 2025 |